KR102333623B1 - Wireless charging pad, Wireless charging Apparatus and electronic device using the same - Google Patents

Abstract

A wireless charging system according to an embodiment of the present document includes a pad case, a transmitting coil disposed inside the pad case and winding a coil in relation to wireless charging to form a surface, a center empty transmitting coil, a transmitting coil substrate on which the transmitting coil is placed, the above A wireless charging pad including a magnetic pad positioned on the transmitting coil substrate but spaced apart from the center of the transmitting coil by a predetermined distance, a support structure for supporting the transmitting coil substrate to be movable, and the wireless charging pad Disclosed are a charging device and an electronic device using the wireless charging device. In addition to this, various embodiments identified through the specification are possible.

Description

A wireless charging pad, a wireless charging device, and an electronic device using the same

Various embodiments of this document relate to wireless charging.

The electronic device may receive driving-related power from a battery. The electronic device may charge the battery using a wireless charging method. In relation to the wireless charging method, the electronic device may include a receiving coil capable of receiving power. In addition, a wireless charging device including a transmission coil for supplying power to the electronic device may be provided.

In the wireless charging method, when the receiving coil of the electronic device and the transmitting coil of the wireless charging device are misaligned, there is a problem in that the wireless charging efficiency is rapidly reduced. In addition, in the error alignment state, the supply power of the transmission coil of the wireless charging device is excessively increased, and thus a large heat problem may occur.

Various embodiments provide a wireless charging pad that enables the wireless charging device and the electronic device to be more precisely aligned, a wireless charging device, and an electronic device supporting the same.

In an electronic device according to various embodiments of the present disclosure, in relation to wireless charging, a coil is wound to form a surface, but a receiving coil with an empty center, a device magnetic material disposed at a location spaced a predetermined distance from the center of the receiving coil, and the receiving coil It may include a wireless charging module that collects the induced power.

A wireless charging pad according to an embodiment is a pad case, disposed inside the pad case, and a coil is wound in relation to wireless charging to form a surface, but a central empty transmitting coil, a transmitting coil substrate on which the transmitting coil is placed, the transmitting coil substrate It may include a magnetic pad positioned at a position spaced apart from the center of the transmitting coil by a predetermined distance, and a support structure for supporting the transmitting coil substrate to be movable.

The wireless charging device according to an embodiment may include a charging cable and an adapter connected to the wireless charging pad and an external power source to supply power to the wireless charging pad.

According to various embodiments of the present document, various embodiments support to more easily form an alignment state between an electronic device and a wireless charging device.

In addition to this, various effects derived through the specification may be provided.

1 is a view showing an example of a wireless charging system according to an embodiment of the present invention.
2 is a diagram illustrating a partial configuration of a wireless charging system including an electronic device in which a device magnetic material related to wireless charging is disposed on one side of a receiving coil substrate according to an embodiment.
3 is a diagram illustrating a partial configuration of a wireless charging system including an electronic device in which a device magnetic body related to wireless charging is disposed on one side of a device case according to an exemplary embodiment.
4 is a diagram illustrating a partial configuration of a wireless charging system including an electronic device in which a device magnetic material related to wireless charging is disposed on one side of a battery according to an exemplary embodiment.
5 is a diagram illustrating a partial configuration of a wireless charging system including a wireless charging device in which a pad magnetic material related to wireless charging is disposed on one side of a pad case according to an exemplary embodiment.
6 is a diagram illustrating an example of an electronic device in which a device magnetic material is disposed on a battery according to an exemplary embodiment.
7 is a diagram illustrating an example in which a device magnetic material is disposed on a frame of an electronic device according to an exemplary embodiment.
8 is a diagram illustrating an example of an electronic device in which a device magnetic body is disposed on a back or battery cover according to an embodiment.
9 is an exploded perspective view corresponding to an example of a wireless charging pad according to an embodiment.
10 is an exploded perspective view corresponding to another example of a wireless charging pad according to an embodiment.
11 is a view for explaining a moving radius of a transmission coil of a wireless charging pad according to an embodiment.
12 is a diagram illustrating a wireless charging environment according to an embodiment.
13 is a block diagram of an electronic device according to an exemplary embodiment.

Hereinafter, various embodiments of the present document will be described with reference to the accompanying drawings. However, this document is not intended to limit the present document to specific embodiments, and it should be understood that various modifications, equivalents, and/or alternatives of the embodiments of the present document are included. In connection with the description of the drawings, like reference numerals may be used for like components.

In this document, expressions such as "have", "may have", "includes", or "may include" refer to the presence of a corresponding characteristic (eg, a numerical value, function, operation, or component such as a part). and does not exclude the presence of additional features.

In this document, expressions such as "A or B", "at least one of A and/and B", or "one or more of A or/and B" may include all possible combinations of the items listed together. . For example, "A or B", "at least one of A and B", or "at least one of A or B" means (1) includes at least one A, (2) includes at least one B; Or (3) it may refer to all cases including both at least one A and at least one B.

Expressions such as "first", "second", "first", or "second" used in various embodiments may modify various components regardless of order and/or importance, do not limit For example, the first user equipment and the second user equipment may represent different user equipment regardless of order or importance. For example, without departing from the scope of the present document, a first component may be referred to as a second component, and similarly, the second component may also be renamed as a first component.

A component (eg, a first component) is "coupled with/to (operatively or communicatively)" to another component (eg, a second component) When referring to "connected to", it will be understood that the certain element may be directly connected to the other element or may be connected through another element (eg, a third element). On the other hand, when it is said that a component (eg, a first component) is "directly connected" or "directly connected" to another component (eg, a second component), the component and the It may be understood that other components (eg, a third component) do not exist between other components.

The expression "configured to (or configured to)" as used in this document, depending on the context, for example, "suitable for", "having the capacity to" It can be used interchangeably with "," "designed to", "adapted to", "made to", or "capable of". The term “configured (or set up to)” may not necessarily mean only “specifically designed to” hardware. Instead, in some circumstances, the expression “a device configured to” may mean that the device is “capable of” with other devices or parts. For example, the phrase “a processor configured (or configured to perform) A, B, and C” may refer to a dedicated processor (eg, an embedded processor), or one software program stored in a memory device, for performing the corresponding operation. By doing so, it may mean a generic-purpose processor (eg, a CPU or an application processor) capable of performing corresponding operations.

Terms used in this document are only used to describe specific embodiments, and may not be intended to limit the scope of other embodiments. The singular expression may include the plural expression unless the context clearly dictates otherwise. All terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art of this document. Commonly used terms defined in the dictionary may be interpreted as having the same or similar meaning as the meaning in the context of the related art, and unless explicitly defined in this document, are not interpreted in an ideal or excessively formal meaning . In some cases, even terms defined in this document cannot be construed to exclude embodiments of this document.

An electronic device according to various embodiments of the present document may include, for example, a smartphone, a tablet personal computer (PC), a mobile phone, a video phone, and an e-book reader (e-book). reader), desktop PC (desktop PC), laptop PC (laptop PC), netbook computer, workstation, server, PDA (personal digital assistant), PMP (portable multimedia player), MP3 player, mobile Medical devices, cameras, or wearable devices (e.g. smart glasses, head-mounted-device (HMD)), electronic garments, electronic bracelets, electronic necklaces, electronic accessories, electronic tattoo, a smart mirror, or a smart watch).

Hereinafter, an electronic device according to various embodiments will be described with reference to the accompanying drawings. In this document, the term user may refer to a person who uses an electronic device or a device (eg, an artificial intelligence electronic device) using the electronic device.

1 is a view showing an example of a wireless charging system according to an embodiment of the present invention.

Referring to FIG. 1 , a wireless charging system 10 may include a wireless charging device 200 and an electronic device 100 .

The wireless charging device 200 may include a wireless charging pad 202 . Additionally, although not shown, the wireless charging device 200 may further include an adapter connected to an outlet or the like to supply power to the wireless charging pad, and a charging cable connecting the adapter and the wireless charging pad.

The wireless charging pad 202 may include a transmitting coil 201 , at least one magnetic pad 291 disposed outside the transmitting coil 201, and a pad case 204 surrounding the transmitting coil 201 and the magnetic pad 291 . Additionally, the wireless charging pad 202 may further include a transmission power circuit connected to the charging cable to supply power supplied from the outlet to the transmission coil 201 .

The pad case 204 of the wireless charging pad 202 may be formed, for example, in a circular shape or a polygonal shape (eg, a square shape). A diameter of the pad case 204 may be greater than a minor axis length of the electronic device 100 . However, various embodiments are not limited thereto, and the diameter of the pad case 204 may be formed smaller than the minor axis length.

The transmitting coil 201 may be disposed with one coil wound inside the central portion of the pad case 204 . The transmitting coil 201 having a predetermined thickness may form a predetermined surface while being wound. The transmitting coil 201 may be provided in an annular shape with an empty central portion, for example. The transmitting coil 201 may be formed to be relatively larger than the receiving coil 181 disposed in the electronic device 100 by a specified size. Alternatively, the transmitting coil 201 may have a size or shape substantially similar to that of the receiving coil 181 .

The pad magnetic body 291 may be disposed in an area adjacent to the transmission coil 201 . According to various embodiments, the pad magnetic body 291 may be, for example, a magnet having a magnetic force greater than or equal to a specified size. The pad magnetic material 291 may be, for example, a ferromagnetic material, a quasi-ferromagnetic material, or an antiferromagnetic material.

At least one pad magnetic material 291 may be disposed at a predetermined point outside the transmission coil 201 . For example, the pad magnetic material 291 may include a plurality of pad sub magnetic materials 291a, 291b, 291c, and 291d. According to an embodiment, the plurality of pad sub-magnetic materials 291a, 291b, 291c, and 291d may be arranged to be symmetrical to each other with respect to the center point of the transmitting coil 201 . Referring to the drawings, the pad sub magnetic materials 291a, 291b, 291c, and 291d may include a first pad sub magnetic material 291a, a second pad sub magnetic material 291b, a third pad sub magnetic material 291c, and a fourth pad sub magnetic material 291d. have. The first pad sub-magnetic body 291a may be disposed at a position symmetrical with respect to a center point (or origin) of the third pad sub-magnetic body 291c and the transmitting coil 201, for example. The second pad sub magnetic body 291b may be disposed at a position symmetrical with respect to a center point (or origin) of the fourth pad sub magnetic body 291d and the transmitting coil 201, for example.

A first gap between the first pad sub magnetic body 291a and the second pad sub magnetic body 291b may be similar to or substantially the same as a second gap between the first pad sub magnetic body 291a and the third pad sub magnetic body 291c. Also, a third spacing between the fourth pad sub-magnetic body 291d and the second pad sub-magnetic body 291b may be similar to or substantially the same as a fourth spacing between the fourth pad sub-magnetic body 291d and the third pad sub-magnetic body 291c. Although the above description exemplifies a state in which four sub-magnetic pads are disposed, various embodiments are not limited thereto. For example, the pad sub magnetic body may be provided in various numbers such as 2, 3, 5, 6, 8, and the like.

According to various embodiments, the magnetic pad 291 may be provided in the form of a rod having a predetermined length. For example, the pad magnetic material 291 includes a bar-shaped magnetic material connecting the first pad sub magnetic material 291a and the second pad sub magnetic material 291b, and the third pad sub magnetic material 291c and the fourth pad sub magnetic material 291d. It may contain a magnetic body in the form of. In addition, the pad magnetic body 291 includes a bar-shaped magnetic body connecting the first pad sub magnetic body 291a and the third pad sub magnetic body 291c, and the second pad sub magnetic body 291b and the fourth pad sub magnetic body 291d. It may contain a magnetic body in the form of. Accordingly, the pad magnetic body 291 may be disposed at positions where, for example, rod-shaped magnetic materials are symmetrical with respect to the center of the transmitting coil 201 . Alternatively, the pad magnetic material 291 may have a band shape in which the rod-shaped magnetic materials are connected.

The pad sub magnetic materials 291a, 291b, 291c, and 291d may be disposed on the same surface. For example, the pad sub-magnetic materials 291a, 291b, 291c, and 291d may be disposed on a predetermined region of a substrate on which the transmitting coil 201 is disposed, an inner surface of the pad case 204, a surface of the pad case 204, or the like. According to various embodiments, at least some of the pad sub-magnetic materials 291a, 291b, 291c, and 291d may be located on different surfaces. For example, some of the pad sub magnetic materials 291a, 291b, 291c, and 291d may be disposed inside the pad case 204, and the remaining parts may be disposed outside the pad case 204.

The electronic device 100 may include a device case 104 on which a display is disposed and surrounds the display. The electronic device 100 may include a receiving coil 181 and a device magnetic body 191 inside the device case. Additionally, the electronic device 100 may further include a wireless charging module connected to the receiving coil 181 to charge a battery.

According to an embodiment, the electronic device 100 may be provided, for example, in a rectangular shape having one side longer than the other side. However, the shape of the electronic device 100 is not limited to the above-described shape. For example, one side and the other side of the electronic device 100 may have the same length. Also, the electronic device 100 may include a curved area at least in part. For example, the electronic device 100 may include a shape (eg, a curved area) in which at least one portion of both side surfaces is bent outward.

The receiving coil 181 may collect a current induced by power flowing through the transmitting coil 201 and deliver it to the wireless charging module. The receiving coil 181 may be disposed, for example, in the center of the electronic device 100 . The receiving coil 181 may be provided by constantly winding a conductive line having a predetermined thickness. According to an embodiment, the receiving coil 181 may have a cavity of a predetermined size provided in the center, and may have a surface of a predetermined width according to the number of times it is wound. Corresponding to the mechanical shape of the electronic device 100 and the limited space of the position where the receiving coil 181 is disposed, the receiving coil 181 may have a rectangular band shape with an empty center as shown. Here, various embodiments are not limited to the shape of the receiving coil 181 . For example, the receiving coil 181 may have a shape corresponding to the transmitting coil 201 . Alternatively, the receiving coil 181 may have a shape substantially similar to or the same as that of the transmitting coil 201 . The receiving coil 181 may be disposed inside the rear surface of the device case 104 of the electronic device 100 .

The device magnetic body 191 may be disposed in a region adjacent to the receiving coil 181 . At least one magnetic device 191 may be disposed in a predetermined area outside the receiving coil 181 . The illustrated diagram illustrates a form in which the device magnetic body 191 includes four device sub-magnetic bodies 191a, 191b, 191c, and 191d. The four device sub-magnetic bodies 191a, 191b, 191c, and 191d may include, for example, a first device sub-magnetic body 191a, a second device sub-magnetic body 191b, a third device sub-magnetic body 191c, and a fourth device sub-magnetic body 191d. A spacing between the first device sub-magnetic body 191a and the second device sub-magnetic body 191b may have substantially the same (or similar) spacing as the spacing between the first pad sub-magnetic body 291a and the second pad sub-magnetic body 291b. Also, the distance between the third device sub-magnetic body 191c and the fourth device sub-magnetic body 191d may be substantially the same (or similar) to the distance between the third pad sub-magnetic body 291c and the fourth pad sub-magnetic body 291d. . In addition, the distance between the first device sub-magnetic body 191a and the third device sub-magnetic body 191c may have substantially the same (or similar) distance as the distance between the first pad sub-magnetic body 291a and the third pad sub-magnetic body 291c. As described above, the positions of the device sub-magnetic materials 191a, 191b, 191c, and 191d may correspond to the positions of the pad sub-magnetic materials 291a, 291b, 291c, and 291d.

According to various embodiments, the device magnetic body 191 may be provided in the same or similar shape as the pad magnetic body 291 . For example, as mentioned above, when the magnetic pad magnetic body 291 is provided so that the rod-shaped magnetic materials are symmetrical with a specified interval around the origin, the device magnetic body 191 is also provided such that the rod-shaped magnetic materials are symmetrical with a specified interval. can be The device magnetic body 191 may be made of, for example, a material capable of exerting attractive force in response to magnetic force. For example, the magnetic device 191 may be an iron plate or a metal plate such as copper or aluminum. Alternatively, the device magnetic material 191 may be provided as a ferromagnetic material. In this case, the device magnetic body 191 may be provided such that a polarity opposite to the polarity of the pad magnetic body 291 is disposed in the direction of the pad magnetic body 291 to generate an attractive force with the pad magnetic body 291 .

2 is a diagram illustrating a partial configuration of a wireless charging system including an electronic device in which a device magnetic material related to wireless charging is disposed on one side of a receiving coil substrate according to an embodiment. 2 may be a cross-section based on the line A-A′ of FIG. 1 . These drawings illustrate only some configurations of the electronic device 100 and the wireless charging device 200 for clarity in various embodiments of the present disclosure.

Referring to FIG. 2 , the electronic device 100 includes a device case 104, a receiving coil board 187 disposed inside the device case 104, a receiving coil 181 disposed on (or inside) the receiving coil board 187, and a receiving coil board 187 ( Or it may include a device magnetic body 191 disposed inside), a battery 190 disposed on the receiving coil substrate 187, a device printed circuit board 125 disposed on one side of the battery 190, and a wireless charging module 180.

The device case 104 may be provided, for example, in a shape that surrounds the periphery of the display so that the display is exposed on one side. The device case 104 may have a removable battery cover or may be provided integrally with the battery 190 according to an insertion type (eg, a built-in type or a removable type). A surface facing the wireless charging device 200 of the device case 104 may correspond to a rear surface. The receiving coil substrate 187 and the receiving coil 181 may be disposed inside the rear surface of the device case 104, and the battery 190 may be disposed thereon. In the drawings, the device case 104 is illustrated as a single cylinder, but the electronic device 100 in various embodiments is not limited thereto. For example, the device case 104 may be divided into a front case supporting the display side, a rear case supporting the front case and including an area in which the battery 190 is mounted, and a battery case covering the rear case. Alternatively, the device case 104 may take a form in which at least one of the aforementioned front case, rear case, and battery case is integrated.

The receiving coil substrate 187 may be a substrate on which the receiving coil 181 is placed. The receiving coil substrate 187 is, for example, in a form having a certain rigidity capable of supporting the receiving coil 181, and may be made of various non-conductive materials such as a plastic substrate or a wooden substrate. According to an embodiment, the receiving coil substrate 187 may be made of a polymer material or a fiber material. The receiving coil 181 disposed on the receiving coil substrate 187 may be patterned and provided on the receiving coil substrate 187, for example. According to one embodiment, the receiving coil substrate 187 may be provided as a thin film substrate. Alternatively, the receiving coil substrate 187 may include an engraved region in which the receiving coil 181 is disposed. A device magnetic body 191 may be disposed on one side of the receiving coil substrate 187 . For example, the receiving coil 181 may be disposed in the center of the receiving coil substrate 187, and the magnetic device 191 may be disposed on the receiving coil substrate 187 at a predetermined position outside the receiving coil 181.

The receiving coil 181 may be disposed on the receiving coil substrate 187 (or in an engraved region of the receiving coil substrate 187). The receiving coil 181 may be wound a predetermined number of times or more. Accordingly, the receiving coil 181 may form a predetermined surface as shown. Since the coil is not disposed in the central portion of the receiving coil 181, an empty region may be formed.

The device magnetic body 191 is disposed on the receiving coil substrate 187 (or in an engraved area of the receiving coil substrate 187), and may be disposed parallel to the receiving coil 181 and at an edge of the receiving coil substrate 187. The edge region of the receiving coil substrate 187 may correspond to an outer portion of the receiving coil 181 .

The receiving coil substrate 187 on which the receiving coil 181 and the device magnetic body 191 are disposed may be disposed, for example, inside the rear surface of the device case 104 . Alternatively, the receiving coil board 187 may be disposed on the surface of the battery 190, and may be disposed toward the device case 104 side.

The battery 190 may be disposed to face the receiving coil substrate 187 . According to an embodiment, the receiving coil substrate 187 may be disposed on the surface of the battery 190 . One side of the battery 190 may be connected to the device printed circuit board 125 . The battery 190 may be charged with power induced by the receiving coil 181 .

The device printed circuit board 125 may include a signal line connected to one side of the battery 190 . In addition, the device printed circuit board 125 may include a signal line to which the receiving coil 181 is connected.

The wireless charging module 180 may be disposed on the device printed circuit board 125 to collect power induced in the receiving coil 181 . The wireless charging module 180 may convert the collected power into a form capable of charging the battery 190 and then supply the collected power to the battery 190 .

The wireless charging device 200 may include a pad case 204, a pad printed circuit board 205, a power cable 260, a transmitting coil board 207, a transmitting coil 201, and a magnetic pad 291.

The pad case 204 may be provided to surround the pad printed circuit board 205, the transmitting coil substrate 207, the transmitting coil 201, and the magnetic pad 291, for example. The pad case 204 may be made of, for example, a transparent material. According to an embodiment, at least a part of the pad case 204 may be made of transparent plastic, acrylic, glass, or the like. For example, in the pad case 204, a designated area including the area in which the transmitting coil 201 is disposed may be formed of a transparent material. Although the size of the pad case 204 is exemplified in a shape similar to that of the electronic device 100 in the drawings, various embodiments are not limited thereto. For example, the pad case 204 may be provided to have a diameter greater than a length of one side of the electronic device 100 . Alternatively, the pad case 204 may be provided to have a diameter smaller than a length of one side of the electronic device 100 .

The pad printed circuit board 205 may include a signal line connected to the power cable 260 and a line supplying power to the transmission coil 201 . In addition, the pad printed circuit board 205 may be provided with a transmission power circuit that processes the power supplied by the power cable to be output at a specified frequency through the transmission coil 201 . The pad printed circuit board 205 may be fixed to one side of the pad case 204, for example.

The power cable 260 may be a cable connecting the pad printed circuit board 205 and the transmission coil 201 . The power cable 260 may be provided in the form of, for example, a flexible printed circuit board (FPCB). Alternatively, the power cable 260 may be a coaxial cable having a specified size of flexibility. Accordingly, the power cable 260 may be provided to be movable in response to the movement of the transmission coil substrate 207 .

For example, the transmitting coil 201 may be disposed on the transmitting coil substrate 207 (or in an engraved region). The transmitting coil substrate 207 may have a larger area than the entire size of the transmitting coil 201 . The transmitting coil substrate 207 may be made of a non-conductive material. One side of the transmitting coil substrate 207 may be elastically connected to the device case 104, for example. Accordingly, when a magnetic force having an external pressure or a magnetic flux in a certain direction is formed, the transmitting coil substrate 207 may move according to the corresponding direction. When the external pressure or magnetic force is released, the transmitting coil substrate 207 may return to its original position (eg, the central part of the device case 104 ).

The transmitting coil 201 may be disposed on the transmitting coil substrate 207 (or in an engraved area). As described above, the transmitting coil 201 may be provided by winding a line made of a conductive material in an annular shape. Accordingly, as shown, the transmitting coil 201 may have a predetermined surface, but may have a hollow center. One side of the transmission coil 201 may be connected to a transmission power circuit disposed on the pad printed circuit board 205 .

The pad magnetic body 291 may be disposed at a predetermined position of the transmission coil substrate 207 (eg, on an edge of the transmission coil substrate 207 or in an engraved area of the edge). The pad magnetic body 291 may be provided to be pulled by, for example, a magnetic force (attractive force) from the device magnetic body 191 . In this regard, the pad magnetic body 291 may be a permanent magnet having a certain magnitude of magnetic force. The pad magnetic body 291 may have substantially the same shape as that in which the device magnetic body 191 is disposed.

As described above, the receiving coil 181 of the electronic device 100 according to an embodiment may be disposed between the battery 190 and the rear surface of the device case 104, and the device magnetic body 191 may be disposed on a surface parallel to the receiving coil 181 .

3 is a diagram illustrating a partial configuration of a wireless charging system including an electronic device in which a device magnetic body related to wireless charging is disposed on one side of a device case according to an exemplary embodiment.

Referring to FIG. 3 , the electronic device 100 includes a device case 104, a receiving coil board 187 disposed inside the device case 104, a receiving coil 181 disposed on (or inside) the receiving coil board 187, and one side of the device case 104. The device may include a magnetic body 191, a battery 190 disposed on the receiving coil substrate 187, a device printed circuit board 125 disposed on one side of the battery 190, and a wireless charging module 180.

The wireless charging device 200 includes a pad case 204, a pad printed circuit board 205 disposed on an inner bottom of the pad case 204, a power cable 260 connecting the pad printed circuit board 205 and the transmitting coil board 207, and the pad printed circuit board 205 The transmitting coil board 207 disposed on the upper portion and connected to the signal line of the pad printed circuit board 205 and the power cable 260, the transmitting coil disposed on the transmitting coil board (or in the engraved area formed on the transmitting coil board) 201 and a pad magnetic body 291 disposed on the transmitting coil substrate (or in an engraved region formed on the transmitting coil substrate).

In the wireless charging system 10 having the above configuration, the device magnetic body 191 may be disposed in an area different from the surface on which the receiving coil 181 is disposed. For example, as described above, the device magnetic body 191 may be disposed on one side of the device case 104 . According to an embodiment, the device magnetic body 191 may be disposed inside the rear surface of the device case 104 . Alternatively, the device magnetic body 191 may be disposed to pass through the front and rear surfaces of the device case 104 as shown. In this regard, the device case 104 may include at least one hole in which the device magnetic body 191 may be disposed. The device magnetic body 191 may be inserted and fixed in the hole. According to various embodiments, the device magnetic body 191 may be disposed on the rear surface of the device case 104 . In this case, the device magnetic body 191 may be fixed to the back surface of the device case 104 using an adhesive member or the like. The position of the magnetic device 191 disposed on one side of the device case 104 may have a spacing corresponding to the spacing of the magnetic pad 291 .

4 is a diagram illustrating a partial configuration of a wireless charging system including an electronic device in which a device magnetic material related to wireless charging is disposed on one side of a battery according to an exemplary embodiment.

Referring to FIG. 4 , the electronic device 100 includes a device case 104, a receiving coil substrate 187 disposed inside the device case 104, a receiving coil 181 disposed on (or inside the substrate) receiving coil substrate 187, a battery 190, and a receiving coil. The device may include a magnetic device 191 disposed between the substrates 187, a battery 190 disposed on the receiving coil substrate 187, a device printed circuit board 125 disposed on one side of the battery 190, and a wireless charging module 180.

The wireless charging device 200 includes a pad case 204, a pad printed circuit board 205 disposed on an inner bottom of the pad case 204, a power cable 260 connecting the pad printed circuit board 205 and the transmitting coil board 207, and the pad printed circuit board Transmitting coil board 207 disposed on top of 205 and connected through the signal line of the pad printed circuit board 205 and the power cable 260, the transmitting coil board being disposed on the transmitting coil board (or in an engraved area formed on the transmitting coil board) The coil 201 may include a magnetic pad 291 disposed on the transmitting coil substrate 207 (or in an engraved region formed on the transmitting coil substrate 207). At least one of the magnetic pad 291 may be disposed on an edge of the transmitting coil substrate 207 or an outer portion of the transmitting coil 201 .

The aforementioned wireless charging system 10 exemplifies a case in which the device magnetic body 191 is disposed between the battery 190 and the receiving coil substrate 187 . According to an embodiment, the device magnetic body 191 may be disposed on one side of the surface of the battery 190 . In this regard, the device magnetic body 191 may include a body serving as a magnetic body and an adhesive member for fixing to one side of the battery 190 . At least one groove may be provided in the surface of the battery 190 so that, for example, the magnetic device 191 can be fixed.

According to various embodiments, the device magnetic body 191 may be disposed on an upper surface of the receiving coil substrate 187 (eg, a surface facing the battery 190). Alternatively, the receiving coil substrate 187 and the battery 190 may be provided with grooves having a shape into which the magnetic device 191 can be inserted, respectively. Accordingly, the device magnetic body 191 may be disposed between the upper surface of the receiving coil substrate 187 and the lower surface of the battery 190 . The position where the device magnetic body 191 is disposed may be a position aligned with the pad magnetic body 291 disposed on the wireless charging device 200 in a vertical direction. In this regard, the arrangement interval of the magnetic device 191 may be substantially the same as or similar to the arrangement interval of the magnetic pad 291 . Also, the size or shape of the magnetic device 191 may be substantially the same as or similar to the size or shape of the magnetic pad 291 .

5 is a diagram illustrating a partial configuration of a wireless charging system including a wireless charging device in which a pad magnetic material related to wireless charging is disposed on one side of a pad case according to an embodiment.

Referring to FIG. 5 , the electronic device 100 includes a device case 104, a receiving coil board 187 disposed inside the device case 104, a receiving coil 181 disposed on (or inside) the receiving coil board 187, and one side of the receiving coil board (eg, : a device magnetic body 191 disposed inside the receiving coil board 187 or an engraved region of the receiving coil board 187), a battery 190 disposed on the receiving coil board 187, a device printed circuit board 125 disposed on one side of the battery 190, A wireless charging module 180 may be included.

The wireless charging device 200 includes a pad case 204, a pad printed circuit board 205 disposed on an inner bottom of the pad case 204, a power cable 260 connecting the pad printed circuit board 205 and the transmitting coil board 207, and the pad printed circuit board Transmitting coil board 207 disposed on top of 205 and connected through the signal line of the pad printed circuit board 205 and the power cable 260, the transmitting coil board being disposed on the transmitting coil board (or in an engraved area formed on the transmitting coil board) The coil 201 may include a pad magnetic material 291 disposed under the transmitting coil substrate 207 (or at least a portion of the transmitting coil substrate 207 is exposed under the lower portion).

The above-described wireless charging system 10 exemplifies a case in which the magnetic pad 291 is disposed on a lower side of the transmitting coil substrate 207 . According to an embodiment, the magnetic pad 291 may be disposed on the lower surface of the transmitting coil substrate 207 . In this regard, at least one groove in which the magnetic pad 291 may be disposed may be provided on a lower surface of the transmitting coil substrate 207 (eg, a surface opposite to the surface facing the electronic device 100). The magnetic pad 291 may be disposed under the transmission coil substrate 207 and protrude from a surface of the transmission coil substrate 207 .

6 is a diagram illustrating an example of an electronic device in which a device magnetic material is disposed on a battery according to an exemplary embodiment.

Referring to FIG. 6 , a partial configuration of the illustrated electronic device 100 exemplifies a form in which, for example, the rear cover 162 in which the battery area 190 is formed is exposed. The receiving coil 181 and the device magnetic body 191 mentioned in various embodiments may be disposed on at least a portion of the battery 190 . For example, a receiving coil 181 having an empty center may be disposed on one side of the surface of the battery 190 . The device magnetic body 191 is disposed on the battery 190 and may be disposed on an outer portion of the receiving coil 181 . The arrangement interval of the device magnetic body 191 may be substantially the same as or similar to the arrangement interval of the pad magnetic body 291 described above. According to various embodiments, a battery cover or the like may be disposed on the rear cover 162 to cover the rear cover 162 surface. Additionally, the electronic device 100 may further include a camera 163 and the like.

7 is a diagram illustrating an example in which a device magnetic material is disposed on a frame of an electronic device according to an exemplary embodiment.

Referring to FIG. 7 , some components of the illustrated electronic device 100 have a form in which a frame (eg, a rear cover 162 or a seating cover 165) of the electronic device is exposed, for example, a rear cover 162 in which an area in which a battery is disposed is closed. The exposed form is illustrated. According to various embodiments, the electronic device 100 may be provided with a built-in battery 190 . In this regard, the electronic device 100 may include a seating cover 165 that covers the battery seating part on which the battery 190 is mounted. The seating cover 165 may be disposed on the same surface as the rear cover 162 . According to an embodiment, the receiving coil 181 and the device magnetic body 191 mentioned in various embodiments may be disposed on at least a portion of the seating cover 165 . For example, the receiving coil 181 may be disposed on one surface of the seating cover 165 . The device magnetic body 191 is disposed on the seating cover 165 and may be disposed on an outer portion of the receiving coil 181 . The arrangement interval of the device magnetic body 191 may be substantially the same as or similar to the arrangement interval of the pad magnetic body 291 described above. According to various embodiments of the present disclosure, a battery cover may be disposed on the rear cover 162 and the seating cover 165 to cover the rear cover 162 and the seating cover 165 . Additionally, the electronic device 100 may further include a camera 163 and the like.

8 is a diagram illustrating an example of an electronic device in which a device magnetic body is disposed on a back or battery cover according to an embodiment.

Referring to FIG. 8 , according to various embodiments, the electronic device 100 may include a rear cover 167 . Alternatively, when the electronic device 100 is provided as a built-in battery type, a case surrounding the periphery of the display disposed on the front side may be provided integrally with the rear cover 167.

According to an embodiment, the receiving coil 181 and the device magnetic body 191 may be disposed on one side of the rear cover 167 . For example, the receiving coil 181 may be disposed inside the rear cover 167 . Also, at least a portion of the device magnetic body 191 may be disposed on an outer surface of the rear cover 167 . According to various embodiments, at least a portion of the receiving coil 181 may be disposed to be exposed on the surface of the rear cover 167 . In addition, the device magnetic body 191 may be disposed inside the rear cover 167 so as not to be exposed to the outside. Alternatively, according to various embodiments, the receiving coil 181 and the device magnetic body 191 may be disposed inside the rear cover 167 . Alternatively, the receiving coil 181 and the device magnetic body 191 may be disposed on an outer surface of the rear cover 167 . The device magnetic body 191 may be located outside the receiving coil 181 .

Meanwhile, in the description of FIGS. 6 to 8 , a shape in which the receiving coil 181 is disposed to a certain portion on the right side has been exemplified, but various embodiments are not limited thereto. For example, the receiving coil 181 may be disposed within a predetermined area with respect to the center of the electronic device 100 . Additionally, the electronic device 100 may further include a camera 163 and the like.

According to the above-described various embodiments, in the electronic device according to an embodiment, a coil is wound to form a surface in connection with wireless charging, but a receiving coil having an empty center, a device magnetic material disposed at a location spaced apart from the center of the receiving coil by a predetermined distance , It may include a wireless charging module for collecting the power induced in the receiving coil.

According to various embodiments of the present disclosure, the electronic device may further include a battery connected to the wireless charging module to be charged by the power, and the receiving coil disposed on one surface.

According to various embodiments, the device magnetic body may be disposed on one side of the battery surface on which the receiving coil is formed.

According to various embodiments of the present disclosure, the electronic device may further include a seating cover disposed to cover the seating portion on which the battery is mounted, and on which the receiving coil is disposed.

According to various embodiments, the device magnetic body may be disposed on one side of the seating cover surface on which the receiving coil is formed.

According to various embodiments of the present disclosure, the electronic device is disposed to cover a rear surface on which the battery is disposed, and at least one of the receiving coil or the device magnetic material is disposed on one side of a rear cover (eg, a battery cover or the outside of the electronic device). It may further include a region (located on the rear side of the case portion to be formed).

According to various embodiments, at least one of the receiving coil and the device magnetic body may be disposed on at least one of an inner side of the rear cover or an outer side of the rear cover.

According to various embodiments, the electronic device may further include a receiving coil substrate on which the receiving coil is disposed.

According to various embodiments, the device magnetic material may be disposed on one side of the receiving coil substrate.

According to various embodiments, the device magnetic body may include a plurality of device sub-magnetic bodies disposed outside the receiving coil.

According to various embodiments, the device sub-magnetic material may be disposed to be symmetrical with respect to a center point of the receiving coil.

According to various embodiments, the device magnetic body may be formed to be substantially the same as the arrangement shape of the pad magnetic body disposed in the wireless charging device.

9 is an exploded perspective view corresponding to an example of a wireless charging pad according to an embodiment.

Referring to FIG. 9 , the wireless charging pad 202 according to an embodiment may include an upper case 21, a lower case 22, and a support structure, for example, a bearing module 23 . In addition, the wireless charging pad 202 may include a transmitting coil board 207, a transmitting coil 201, a magnetic pad 291, a power cable 260, and a pad printed circuit board 205.

The upper case 21 may be provided in the form of a cover covering the lower case 22 in a circular or oval shape, for example. The upper case 21 may, for example, be at least partially transparent or made of a transparent material. According to an embodiment, in the upper case 21, a region corresponding to a predetermined region of a position where the transmitting coil 201 is basically disposed (eg, a central region of the lower case 22) may be provided in a transparent manner. The front surface of the upper case 21 may be formed to be flat, but may be deepened by a specified size toward the center or may have a shape recessed inward.

An empty area may be provided inside the lower case 22 so that the bearing module 23 and the transmission coil board 207 may be disposed therein. An upper portion of the lower case 22 may be opened. The opened area of the lower case 22 may be covered by the coupling of the upper case 21 . A bearing module 23 may be disposed inside the lower case 22 . The lower case 22 to which the upper case 21 is coupled may form a predetermined empty space on the upper side so that the transmitting coil substrate 207 disposed on the bearing module 23 can be moved in a predetermined direction. The pad printed circuit board 205 may be disposed on one side of the lower case 22 . The lower case 22 may include a connector through which the charging cable passes so that the pad printed circuit board 205 and the charging cable can be connected.

The bearing module 23 may be disposed inside the lower case 22 . A transmission coil substrate 207 may be disposed on the bearing module 23 . The bearing module 23 may support the transmission coil substrate 207 to easily move in a predetermined direction. The bearing module 23 may include a plurality of bearings supporting the rear surface of the transmission coil substrate 207 . The bearing may be made of various materials, such as a metal or a non-metal (eg, ceramic).

The transmitting coil substrate 207 may be disposed on the bearing module 23 . A transmitting coil 201 may be disposed in a central portion of the transmitting coil substrate 207 . A magnetic pad 291 may be disposed on the outer portion of the transmitting coil substrate 207 (or the outer portion of the transmitting coil 201). Accordingly, when an object corresponding to the magnetic pad 291 approaches the upper case 21, the transmitting coil substrate 207 may move according to the approach of the object.

The power cable 260 may be made of a flexible material, and may be bent or bent in response to the movement of the transmission coil substrate 207 . The power cable 260 may connect the pad printed circuit board 205 and the transmitting coil 201 to transmit power provided by the pad printed circuit board 205 to the transmitting coil 201 . The power cable 260 may be bent or bent left and right, back and forth, and the like.

10 is an exploded perspective view corresponding to another example of a wireless charging pad according to an embodiment.

Referring to FIG. 10 , the wireless charging pad 202 may include an upper case 21 , a lower case 22 , and a support structure, such as an elastic structure 24 . In addition, the wireless charging pad 202 may include a transmitting coil board 207, a transmitting coil 201, a magnetic pad 291, a power cable 260, and a pad printed circuit board 205.

The upper case 21 may have substantially the same or similar shape to the upper case 21 described with reference to FIG. 9 . According to one embodiment, the upper case 21 may be provided in the form of a cover covering the lower case 22 in a polygonal shape as well as a circular or oval shape. The upper case 21 may be, for example, at least partially transparent or made of a transparent material (eg, transparent plastic, glass, etc.).

The lower case 22 may include a transmitting coil substrate 207 and an elastic structure 24 for movably supporting the transmitting coil substrate 207 therein. The lower case 22 may have a structure in which a side wall is formed by a predetermined height so that one side of the elastic structure 24 can be fixed. The pad printed circuit board 205 may be disposed on one side of the lower case 22 . The lower case 22 may include a connector through which the charging cable passes so that the pad printed circuit board 205 and the charging cable can be connected. Although the illustrated drawing illustrates a protruding shape for disposing the pad printed circuit board 205 on one side of the lower case 22, various embodiments are not limited thereto. For example, the pad printed circuit board 205 may be disposed under the transmitting coil board 207 . Accordingly, the lower case 22 may be provided in a rounded shape without a separate protruding structure.

The power cable 260 may be made of a flexible material, and may be bent or bent in response to the movement of the transmission coil substrate 207 . The power cable 260 may connect the pad printed circuit board 205 and the transmitting coil 201 to transmit power provided by the pad printed circuit board 205 to the transmitting coil 201 . The power cable 260 may be bent or bent left and right, back and forth, and the like.

The elastic structure 24 may have one side connected to the transmitting coil substrate 207 and the other side connected to the lower case 22 sidewall. The elastic structure 24 may include, for example, a plurality of elastic bodies 24a, 24b, and 24c. In the drawing, three elastic bodies 24a, 24b, 24c are arranged. One side of each of the elastic bodies 24a, 24b, and 24c may be connected to a side surface of the transmitting coil substrate 207, and the other side may be fixed to a sidewall of the lower case 22. According to an embodiment, the elastic bodies 24a, 24b, and 24c may support the transmission coil substrate 207 to be movable in the front-rear direction. Accordingly, when an object related to the pad magnetic body 291 (eg, an object that forms an attractive force with the pad magnetic body 291) approaches the upper case 21, the transmitting coil substrate 207 may be supported so as to move toward the corresponding object. The elastic bodies 24a, 24b, and 24c may exert a restoring force to return the transmitting coil substrate 207 to its original position (eg, the center of the lower case 22) when the object is spaced apart by a predetermined distance or more.

Although the elastic structure 24 is illustrated in the form of a spring, various embodiments are not limited thereto. At least a portion of the spring-shaped elastic structure 24 may be changed to a string made of, for example, a rubber material. Alternatively, at least a portion of the elastic structure 24 may be changed to a plastic material having a ductility, a fiber material, or the like.

In the above description, a structure in which three elastic bodies 24a, 24b, and 24c are disposed as the power cable 260 is disposed on one side of the transmission coil substrate 207 has been exemplified, but various embodiments are not limited thereto. For example, the elastic structure 24 may include an elastic body disposed at the position of the power cable 260 . In addition, the elastic structure 24 may include elastic bodies disposed at corners as well as side edges of the transmitting coil substrate 207 .

Although the above description exemplifies a shape in which the elastic structure 24 is disposed inside the lower case 22, it may be disposed in the upper case 21. In this case, a sidewall of a predetermined height may be formed on the edge of the upper case 21, and the transmitting coil substrate 207 may be disposed inside the elastic structure 24 as an axis.

11 is a view for explaining a moving radius of a transmission coil of a wireless charging pad according to an embodiment.

Referring to FIG. 11 , a transmitting coil 201 , a magnetic pad 291 and a pad printed circuit board 205 connected thereto may be disposed inside the wireless charging pad 202 . Additionally, as described above, the wireless charging pad 202 may further include a transmitting coil board on which the transmitting coil 201 and the magnetic pad 291 are disposed, and a power cable connecting the pad printed circuit board 205 and the transmitting coil 201 . According to an embodiment, the wireless charging pad 202 may include the above-described bearing module or elastic structure such that the transmitting coil 201 is movable in a predetermined direction from the inside. The diagram shown is a simplified view of the internal configuration of the wireless charging pad 202 in order to explain the moving radius of the transmitting coil.

Referring to the illustrated state 1101 , the transmitting coil 201 and the magnetic pad 291 may be disposed at a predetermined point based on the center of the wireless charging pad 202 . When a designated object that forms an attractive force with the pad magnetic body 291 (eg, an electronic device on which the device magnetic body is disposed) approaches, the pad magnetic body 291 may be attracted to the device magnetic body approach direction.

According to an embodiment, the transmitting coil 201 fixed together with the pad magnetic body 291 may be moved according to the approach direction of the device magnetic body as in the illustrated state 1103 . In this case, when the transmitting coil 201 is designed to be movable regardless of the direction based on the above-described bearing module or elastic structure, the transmitting coil 201 may move within a range of a designated area 200a within the wireless charging pad 202 .

As described above, since the transmitting coil 201 is movable in various directions within the wireless charging pad 202, no matter where the electronic device 100 is placed, the transmitting coil 201 of the wireless charging device matches the receiving coil 181 of the electronic device 100 can be moved to

According to the above-described various embodiments, the wireless charging pad according to an embodiment is a pad case, disposed inside the pad case, and the coil is wound in relation to wireless charging to form a surface, but the center is empty, the transmitting coil, the transmitting coil is placed It may include a transmitting coil substrate, a magnetic pad positioned on the transmitting coil substrate and spaced apart from the center of the transmitting coil by a predetermined distance, and a support structure for supporting the transmitting coil substrate to be movable.

According to various embodiments, the support structure may include a bearing module disposed under the transmission coil substrate.

According to various embodiments, the support structure may include an elastic structure for fixing at least one side of the transmitting coil substrate to the pad case.

According to various embodiments, the pad case may be formed to be transparent so that at least a partial area in which the transmitting coil is disposed can be observed from the outside.

According to various embodiments, the wireless charging pad connects the pad printed circuit board for supplying externally supplied power to the transmitting coil, the pad printed circuit board, and the transmitting coil, and responds to the movement of the transmitting coil substrate It may further include a power cable having flexibility that can be bent or bent.

According to various embodiments, the pad magnetic body may be formed to be substantially the same as the arrangement shape of the device magnetic body disposed in the electronic device.

According to various embodiments, the pad magnetic material may include a plurality of pad sub-magnetic materials arranged to be symmetrical to each other with respect to the center of the transmitting coil.

12 is a diagram illustrating a wireless charging environment according to an embodiment.

Referring to FIG. 12 , a wireless charging environment according to an embodiment may include a wireless charging device 200 and an electronic device 100 . When the electronic device 100 is placed on the wireless charging device 200 while the adapter 301 of the wireless charging device 200 is connected to the outlet 302 and the charging cable 303 is connected to the wireless charging pad 202, the electronic device 100 may have a wireless charging state. .

According to an embodiment, as in the state 1201, the center of the electronic device 100 may be located at the center of the wireless charging device 200 . In this operation, the distance between the side of the electronic device 100 and the outer part of the wireless charging device 200 may have a first distance d1. As the center of the electronic device 100 is positioned at the center of the wireless charging device 200, the transmitting coil of the wireless charging device 200 and the receiving coil of the electronic device 100 may be aligned within an error range specified in the vertical direction. When power is supplied from the wireless charging device 200 and power (eg, induced current) of a specified size is collected in the receiving coil, the electronic device 100 may output an object 160a corresponding to a normal charging state on the display 160 . According to an embodiment, when power of a specified size is collected from the receiving coil without a separate request for an increase in the amount of power supply to the wireless charging device 200, the electronic device 100 determines the charging state in the normal alignment state and controls the output of the object 160a can do.

According to various embodiments, the electronic device 100 may be placed on the wireless charging device 200 according to a user manipulation as in the state 1203. In this case, the center of the electronic device 100 may be located at a location spaced apart from the center of the wireless charging device 200 by a predetermined distance. Accordingly, a second distance d2 may be formed between one side of the electronic device 100 and one edge of the wireless charging device 200 . The second distance d2 may be greater than the above-described first distance d1. Even in this state, the magnetic pad 291 disposed in the wireless charging device 200 may be attracted to the device magnetic body 191 disposed in the electronic device 100 so that the transmitting coil may be normally aligned with the receiving coil. Accordingly, in response to the charging operation in the normal state, the electronic device 100 may output the object 160a corresponding to the normal charging state to the display 160 in the same manner as in the 1201 state.

The above-described object 160a may be omitted. Alternatively, the above-described object 160a may be replaced with or outputted with audio information, vibration pattern information, lamp color information, lamp blinking information, and the like.

According to the above-described various embodiments, the wireless charging device according to an embodiment is a pad case, disposed inside the pad case, and the coil is wound in relation to wireless charging to form a surface, but the central empty transmitting coil, the transmitting coil is placed A transmitting coil substrate, a wireless charging pad including a support structure for supporting the transmitting coil substrate to be movable, a magnetic pad positioned on the transmitting coil substrate and spaced apart from the center of the transmitting coil by a predetermined distance, and a support structure for moving the transmitting coil substrate; It may include a charging cable and an adapter connected to supply power to the wireless charging pad.

13 is a block diagram of an electronic device according to an exemplary embodiment.

Referring to FIG. 13 , an electronic device 1301 may include, for example, all or part of the electronic device described in the various embodiments described above. The electronic device 1301 includes one processor (eg, an application processor (AP)) 1310, a communication module 1320, a subscriber identification module 1324, a memory 1330, a sensor module 1340, an input device 1350, a display 1360, an interface 1370, an audio module 1380, and a camera module. 1391 , a power management module 1395 , a battery 1396 , an indicator 1397 , and a motor 1398 .

The processor 1310 may control a plurality of hardware or software components connected to the processor 1310 by, for example, driving an operating system or an application program, and may perform various data processing and operations. The processor 1310 may be implemented as, for example, a system on chip (SoC). According to an embodiment, the processor 1310 may further include a graphic processing unit (GPU) and/or an image signal processor. The processor 1310 may include at least some of the components shown in FIG. 13 (eg, a cellular module 1321). The processor 1310 may load and process commands or data received from at least one of other components (eg, non-volatile memory) into the volatile memory, and store various data in the non-volatile memory.

In the wireless charging operation, the processor 1310 determines a state in which the transmitting coil of the wireless charging device 200 and the receiving coil of the electronic device 1301 are normally aligned (eg, a state in which the transmitting coil and the receiving coil are disposed to overlap by more than a specified area in a vertical direction) can do. For example, when the wireless charging function is performed, the processor 1310 may determine the normal alignment state according to whether a specified condition for the amount of power collected in the receiving coil is satisfied or whether a power supply increase is requested to the wireless charging device 200 . When it is determined that the normal alignment state is determined, the processor 1310 may output an object corresponding thereto to the display.

The communication module 1320 is, for example, a cellular module 1321, a WiFi module 1323, a Bluetooth module 1325, a GNSS module 1327 (eg, a GPS module, a Glonass module, a Beidou module, or a Galileo module), a near field communication (NFC) module 1328, and a radio frequency (RF) module 1329 . Additionally, the communication module 1320 may further include an MST module.

The cellular module 1321 may provide, for example, a voice call, a video call, a text service, or an Internet service through a communication network. According to an embodiment, the cellular module 1321 may use a subscriber identification module (eg, a SIM card) 1324 to identify and authenticate the electronic device 1301 within a communication network. According to an embodiment, the cellular module 1321 may perform at least some of the functions that the processor 1310 may provide. According to an embodiment, the cellular module 1321 may include a communication processor (CP).

Each of the WiFi module 1323, the Bluetooth module 1325, the GNSS module 1327, and the NFC module 1328 may include, for example, a processor for processing data transmitted and received through a corresponding module. According to some embodiments, at least some (eg, two or more) of the cellular module 1321, the WiFi module 1323, the Bluetooth module 1325, the GNSS module 1327, and the NFC module 1328 may be included in one integrated chip (IC) or IC package. .

The RF module 1329 may, for example, transmit/receive a communication signal (eg, an RF signal). The RF module 1329 may include, for example, a transceiver, a power amp module (PAM), a frequency filter, a low noise amplifier (LNA), or an antenna. According to another embodiment, at least one of the cellular module 1321, the WiFi module 1323, the Bluetooth module 1325, the GNSS module 1327, and the NFC module 1328 may transmit/receive an RF signal through a separate RF module.

The subscriber identification module 1324 may include, for example, a card including a subscriber identification module and/or an embedded SIM (SIM), and may include unique identification information (eg, integrated circuit card identifier (ICCID)) or subscriber information. (eg, international mobile subscriber identity (IMSI)).

The memory 1330 may include, for example, an internal memory 1332 or an external memory 1334. The internal memory 1332 may include, for example, a volatile memory (eg, dynamic RAM (DRAM), static RAM (SRAM), or synchronous dynamic RAM (SDRAM), etc.), non-volatile memory (eg, OTPROM) one time programmable ROM), programmable ROM (PROM), erasable and programmable ROM (EPROM), electrically erasable and programmable ROM (EEPROM), mask ROM, flash ROM, flash memory (such as NAND flash or NOR flash), hard drive , or a solid state drive (SSD).

External memory 1334 is a flash drive, for example, CF (compact flash), SD (secure digital), Micro-SD (micro secure digital), Mini-SD (mini secure digital), xD (extreme digital) , a multi-media card (MMC) or a memory stick may be further included. The external memory 1334 may be functionally and/or physically connected to the electronic device 1301 through various interfaces.

The electronic device may further include a security module. The security module is a module having a relatively higher security level than the memory 1330, and may be a circuit that ensures safe data storage and a protected execution environment. The security module may be implemented as a separate circuit and may include a separate processor. The secure module includes, for example, an embedded secure element (eSE) residing within a removable smart chip, a secure digital (SD) card, or embedded within a fixed chip of the electronic device 1301 . can do. Also, the security module may be driven by an operating system different from the operating system (OS) of the electronic device 1301 . For example, it may operate based on a Java card open platform (JCOP) operating system.

The sensor module 1340, for example, may measure a physical quantity or sense an operating state of the electronic device 1301, and may convert the measured or sensed information into an electrical signal. The sensor module 1340 may include, for example, a gesture sensor 1340A, a gyro sensor 1340B, a barometric pressure sensor 1340C, a magnetic sensor 1340D, an acceleration sensor 1340E, a grip sensor 1340F, a proximity sensor 1340G, and a color sensor 1340H (eg, RGB (red, green, blue) sensor), a biometric sensor 1340I, a temperature/humidity sensor 1340J, an illuminance sensor 1340K, or an ultra violet (UV) sensor 1340M. Additionally or alternatively, the sensor module 1340 may include, for example, an olfactory sensor (E-nose sensor), an electromyography sensor (EMG sensor), an electroencephalogram sensor (EEG sensor), an electrocardiogram sensor (ECG sensor), an IR (infrared) sensor, iris sensor and/or fingerprint sensor. The sensor module 1340 may further include a control circuit for controlling at least one sensor included therein. In some embodiments, the electronic device 1301 may further include a processor configured to control the sensor module 1340 as part of the processor 1310 or separately to control the sensor module 1340 while the processor 1310 is in a sleep state. .

The input device 1350 may include, for example, a touch panel 1352 , a (digital) pen sensor 1354 , a key 1356 , or an ultrasonic input device 1358 . The touch panel 1352 may use, for example, at least one of a capacitive type, a pressure sensitive type, an infrared type, and an ultrasonic type. Also, the touch panel 1352 may further include a control circuit. The touch panel 1352 may further include a tactile layer to provide a tactile response to the user.

The (digital) pen sensor 1354 may be, for example, a part of a touch panel or may include a separate recognition sheet. Key 1356 may include, for example, a physical button, an optical key, or a keypad. The ultrasound input device 1358 may detect an ultrasound generated by an input tool through a microphone (eg, the microphone 1388), and may check data corresponding to the detected ultrasound.

The display 1360 may include a panel 1362, a holographic device 1364, or a projector 1366. The panel 1362 may be implemented to be flexible, transparent, or wearable, for example. The panel 1362 may be configured with the touch panel 1352 as one module. The hologram device 1364 may display a stereoscopic image in the air by using light interference. The projector 1366 may display an image by projecting light onto the screen. The screen may be located inside or outside the electronic device 1301, for example. According to an embodiment, the display 1360 may further include a control circuit for controlling the panel 1362, the hologram device 1364, or the projector 1366. The above-described display 1360 may output an object corresponding to a normal alignment state with the wireless charging device in response to the control of the processor 1310 .

The interface 1370 may include, for example, a high-definition multimedia interface (HDMI) 1372, a universal serial bus (USB) 1374, an optical interface 1376, or a D-subminiature (D-sub) 1378. Additionally or alternatively, the interface 1370 may be, for example, a mobile high-definition link (MHL) interface, a secure digital (SD) card/multi-media card (MMC) interface, or an infrared data association (IrDA) interface. ) may include standard interfaces.

The audio module 1380 may interactively convert a sound and an electrical signal, for example. At least some components of the audio module 1380 may be included in, for example, the input/output interface 150 illustrated in FIG. 1 . The audio module 1380 may process sound information input or output through a speaker 1382, a receiver 1384, an earphone 1386, or a microphone 1388, for example. According to various embodiments, the audio module 1380 may output audio information corresponding to a normal alignment state with the wireless charging device in response to the control of the processor 1310 .

The camera module 1391 is, for example, a device capable of capturing still images and moving images, and according to an embodiment, one image sensor (eg, a front sensor or a rear sensor), a lens, an image signal processor (ISP), or It may include a flash (eg, an LED or xenon lamp, etc.).

The power management module 1395 may manage power of the electronic device 1301, for example. According to an embodiment, the power management module 1395 may include a power management integrated circuit (PMIC), a charger integrated circuit (IC), or a battery or fuel gauge. The PMIC may have a wired and/or wireless charging method. The wireless charging method includes, for example, a magnetic resonance method, a magnetic induction method, or an electromagnetic wave method, and may further include an additional circuit for wireless charging, for example, a coil loop, a resonance circuit, or a rectifier. have. The battery gauge may measure, for example, a remaining amount of the battery 1396, a voltage during charging, a current, or a temperature. The battery 1396 may include, for example, a rechargeable battery and/or a solar battery.

The indicator 1397 may display a specific state of the electronic device 1301 or a part thereof (eg, the processor 1310 ), for example, a booting state, a message state, or a charging state. According to an embodiment, the indicator 1397 may include an indicator corresponding to a wireless charging state.

The motor 1398 may convert an electrical signal into mechanical vibration, and may generate a vibration, a haptic effect, or the like. Although not shown, the electronic device 1301 may include a processing unit (eg, GPU) for supporting mobile TV. The processing device for supporting mobile TV may process media data according to standards such as digital multimedia broadcasting (DMB), digital video broadcasting (DVB), or mediaFlo ^{TM , for example.}

Each of the components described in this document may be composed of one or more components, and the name of the component may vary depending on the type of the electronic device. In various embodiments, the electronic device may be configured to include at least one of the components described in this document, and some components may be omitted or may further include additional other components. In addition, since some of the components of the electronic device according to various embodiments are combined to form a single entity, the functions of the corresponding components before being combined may be performed identically.

As used herein, the term “module” may refer to, for example, a unit including one or a combination of two or more of hardware, software, or firmware. The term “module” may be used interchangeably with terms such as, for example, unit, logic, logical block, component, or circuit. A “module” may be a minimum unit or a part of an integrally configured component. A “module” may be a minimum unit or a part of performing one or more functions. A “module” may be implemented mechanically or electronically. For example, a “module” may be one of an application-specific integrated circuit (ASIC) chip, field-programmable gate arrays (FPGAs) or programmable-logic device that performs certain operations, known or to be developed in the future. It may include at least one.

At least a portion of an apparatus (eg, modules or functions thereof) or a method (eg, operations) according to various embodiments is, for example, a computer-readable storage medium in the form of a program module It can be implemented as a command stored in . When the instruction is executed by a processor (eg, a processor), the single processor may perform a function corresponding to the instruction. The computer-readable storage medium may be, for example, a memory.

Computer-readable recording media include hard disks, floppy disks, magnetic media (eg, magnetic tape), optical media (eg, compact disc read only memory (CD-ROM), DVD ( digital versatile disc), magneto-optical media (such as floppy disk), hardware devices (such as read only memory (ROM), random access memory (RAM), or flash memory, etc.) ), etc. In addition, the program instructions may include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter, etc. The above-described hardware devices include various It may be configured to operate as a single software module to perform the operations of an embodiment, and vice versa.

A module or program module according to various embodiments may include at least one or more of the above-described components, some may be omitted, or may further include additional other components. Operations performed by modules, program modules, or other components according to various embodiments may be executed sequentially, in parallel, iteratively, or in a heuristic manner. Also, some operations may be executed in a different order, omitted, or other operations may be added.

In addition, the embodiments disclosed in this document are provided for description and understanding of the disclosed and technical content, and do not limit the scope of the technology described in this document. Accordingly, the scope of this document should be construed to include all modifications or various other embodiments based on the technical spirit of this document.

Claims (20)

delete delete delete delete delete delete delete delete delete delete delete delete In the wireless charging pad,
pad case;
a transmitting coil disposed inside the pad case and having a coil wound in relation to wireless charging to form a surface but with an empty center;
a transmitting coil substrate on which the transmitting coil is placed;
a magnetic pad positioned on the transmitting coil substrate but spaced apart from the center of the transmitting coil by a predetermined distance; and
and a support structure for supporting the transmitting coil substrate to be movable.
When the magnetic pad body and the object forming a magnetic force approach the upper surface of the pad case and a magnetic force is formed between the pad magnetic body and the object, the transmitting coil substrate moves toward the upper surface by the magnetic force A wireless charging pad in which a gap (gap) is formed between the printed circuit board and the transmitting coil board disposed under the transmitting coil board. 14. The method of claim 13,
The support structure is
A wireless charging pad comprising a; bearing module disposed under the transmission coil substrate. 14. The method of claim 13,
The support structure is
A wireless charging pad comprising a; an elastic structure for fixing at least one of the side of the transmitting coil substrate to the pad case. 14. The method of claim 13,
The pad case
A wireless charging pad that is transparently formed so that at least a partial area in which the transmitting coil is disposed can be observed from the outside. 14. The method of claim 13,
the printed circuit board for supplying externally supplied power to the transmitting coil;
The wireless charging pad further comprising; a power cable connecting the printed circuit board and the transmitting coil, and having a flexibility that can be bent or bent in response to the movement of the transmitting coil substrate. 14. The method of claim 13,
The pad magnetic material is
A wireless charging pad formed to be substantially the same as the arrangement shape of the device magnetic body disposed on the electronic device. 14. The method of claim 13,
The pad magnetic material is
A wireless charging pad comprising a plurality of pad sub-magnetic materials disposed to be symmetrical to each other with respect to the center of the transmitting coil. In the wireless charging device,
A pad case, disposed inside the pad case and having a coil wound in relation to wireless charging to form a surface, but a transmitting coil with an empty center, a transmitting coil substrate on which the transmitting coil is placed, a transmitting coil substrate located on the transmitting coil substrate, but to the center of the transmitting coil a wireless charging pad including a magnetic pad disposed at a predetermined distance apart, and a support structure for supporting the transmitting coil substrate to be movable; and
Including; a charging cable and adapter connected to an external power source to supply power to the wireless charging pad;
When the magnetic pad body and the object forming a magnetic force approach the upper surface of the pad case and a magnetic force is formed between the pad magnetic body and the object, the transmitting coil substrate moves toward the upper surface by the magnetic force A wireless charging device in which a gap (gap) is formed between the printed circuit board and the transmitting coil board disposed under the transmitting coil board.

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