KR20210104343A - An electronic device and method for providing guide informaion of wireless charging in the same - Google Patents

Abstract

An objective of the present invention is to improve the efficiency of wireless charging. According to various embodiments of the present invention, an electronic device comprises: a charging coil to wirelessly transmit and receive power; a power transceiving circuit electrically connected to the charging coil; a wireless charging circuit including a first communication circuit electrically connected to the charging coil and the power transceiving circuit; a force sensor unit; and a processor electrically connected to the wireless charging circuit and the force sensor unit. The processor can be configured to control the wireless charging circuit to allow the electronic device to provide wireless power for an external electronic device through the charging coil, acquire sensing information from the force sensor unit, check an aligning position with the external electronic device placed on the electronic device based on the sensing information, and transmit wireless charging guide information to the external electronic device through the first communication circuit to guide the aligning position by the external electronic device based on the aligning position of the external electronic device.

Description

AN ELECTRONIC DEVICE AND METHOD FOR PROVIDING GUIDE INFORMAION OF WIRELESS CHARGING IN THE SAME

Various embodiments relate to an electronic device and a method for providing wireless charging guide information in the electronic device.

The electronic device may be charged wirelessly or contactless by using a wireless power transfer technology. The wireless power transmission technology may be a technology in which power is wirelessly transferred from a transmitting device to a receiving device without a separate connector between electronic devices, for example, a receiving device and a transmitting device, and a battery of the receiving device is charged. . The wireless power transmission technology may include a magnetic induction method and a magnetic resonance method, and in addition to this, various types of wireless power transmission technology may be included.

In order to transmit power using wireless power transfer technology, a receiving device may be positioned above a transmitting device. For example, the direction in which the transmitting coil (or charging coil) of the transmitting device is positioned (eg, rear, rear direction) may be positioned so that the receiving coil (or charging coil) of the receiving device is positioned to face each other.

In wireless power transmission, charging efficiency may vary depending on the positional relationship between the transmitting coil and the receiving coil. Charging efficiency may be the best when the centers of the transmitting coil and the receiving coil are positioned so that they correspond to each other, and if the centers of the transmitting coil and the receiving coil are out of alignment, the charging efficiency may decrease or a situation in which charging is impossible due to heat may occur. can

However, since the position of the transmitting coil of the transmitting device or the receiving coil of the receiving device is not exposed to the outside, it may be difficult for the user to accurately recognize where the receiving device is placed on the transmitting device to increase charging efficiency. If the charging does not proceed or the charging efficiency is low, the user cannot know the exact positions of the coils, so the user may have to repeatedly move the receiving device to find the charging position.

According to various embodiments, the electronic device includes a charging coil for wirelessly transmitting and receiving power, a power transmission/reception circuit electrically connected to the charging coil, and first communication electrically connected to the charging coil and the power transmission/reception circuit A wireless charging circuit including a circuit, a force sensor unit, and a processor electrically connected to the wireless charging circuit and the force sensor unit, wherein the processor transmits wireless power to the external electronic device through the charging coil control the wireless charging circuit to provide, obtain sensing information from the force sensor unit, determine an alignment position with the external electronic device placed on the electronic device based on the sensing information, and It may be configured to transmit wireless charging guide information to the external electronic device through the first communication circuit to guide the alignment position in the external electronic device based on the alignment position.

According to various embodiments, an electronic device includes a charging coil for wirelessly transmitting and receiving power, a power transmission/reception circuit electrically connected to the charging coil, and a first communication circuit electrically connected to the charging coil and the power transmission/reception circuit A wireless charging circuit, a display, a second communication circuit, and a processor connected to the wireless charging circuit, the display, and the second communication circuit comprising a, wherein the processor receives wireless power from an external electronic device through the charging coil control the wireless charging circuit to receive, receive wireless charging guide information from the external electronic device through the first communication circuit or the second communication circuit, and based on the received wireless charging guide information, Alignment position information guiding an alignment position between the wireless power transmission coil and the charging coil may be set to be displayed on the display.

A method of providing alignment guide information for wireless charging of an electronic device according to various embodiments of the present disclosure includes an operation of activating a wireless power transmission mode in which wireless power is provided to an external electronic device through a charging coil, and disposed adjacent to the charging coil. Based on an operation of acquiring sensing information from a plurality of force sensors, an operation of confirming an alignment position between the charging coil and the external electronic device based on the obtained sensing information, and an alignment position of the external electronic device, and transmitting wireless charging guide information to the external electronic device.

According to various embodiments, during wireless power transfer, the electronic device may provide an alignment position for charging to the user to improve the efficiency of wireless charging.

According to various embodiments, stable wireless charging of the electronic device may be supported by guiding the user to perform wireless charging at a location where the wireless transmitting device and the wireless receiving device support each other for maximum charging efficiency.

1 is a block diagram of an electronic device in a network environment according to various embodiments of the present disclosure;
2A is a front perspective view of a mobile electronic device 101 according to various embodiments of the present disclosure.
2B is a perspective view of a rear surface of the electronic device 101 of FIG. 2A according to various embodiments of the present disclosure.
3 is a diagram illustrating a wireless charging environment between a first electronic device and a second electronic device according to various embodiments of the present disclosure;
4 is a block diagram illustrating a configuration of an electronic device according to various embodiments of the present disclosure;
5 is a plan view illustrating a state in which a rear plate is removed from the electronic device of FIGS. 2A and 2B according to an exemplary embodiment.
6 illustrates a method for guiding a wireless charging alignment position of an electronic device according to an exemplary embodiment.
7 illustrates a method for guiding a wireless charging alignment position of an electronic device according to an exemplary embodiment.
8A to 8E are examples of user scenarios for wirelessly charging an external electronic device using a wireless charging function of the electronic device.
9A and 9B are examples of user scenarios for wirelessly charging a wearable device using a wireless charging function of an electronic device.

Various embodiments of the present invention disclosed in the present specification and drawings are merely presented as specific examples to easily explain the technical contents of the present invention and help the understanding of the present invention, and are not intended to limit the scope of the present invention. Therefore, the scope of the present invention should be construed as including all changes or modifications derived based on the technical spirit of the present invention in addition to the embodiments disclosed herein are included in the scope of the present invention.

1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments of the present disclosure.

Referring to FIG. 1 , in a network environment 100 , the electronic device 101 communicates with the electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120 , a memory 130 , an input device 150 , a sound output device 155 , a display device 160 , an audio module 170 , and a sensor module ( 176 , interface 177 , haptic module 179 , camera module 180 , power management module 188 , battery 189 , communication module 190 , subscriber identification module 196 , or antenna module 197 . ) may be included. In some embodiments, at least one of these components (eg, the display device 160 or the camera module 180 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components may be implemented as a single integrated circuit. For example, the sensor module 176 (eg, a fingerprint sensor, an iris sensor, or an illuminance sensor) may be implemented while being embedded in the display device 160 (eg, a display).

The processor 120, for example, executes software (eg, the program 140) to execute at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120 . It can control and perform various data processing or operations. According to an embodiment, as at least part of data processing or operation, the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into a volatile memory (volatile memory). ) 132 , may process commands or data stored in the volatile memory 132 , and store the resulting data in a non-volatile memory 134 . According to an embodiment, the processor 120 includes a main processor 121 (eg, a central processing unit (CPU) or an application processor (AP)), and a coprocessor that can be operated independently or together. 123 (eg, a graphic processing unit (GPU), an image signal processor (ISP), a sensor hub processor, or a communication processor (CP)). can Additionally or alternatively, the auxiliary processor 123 may be configured to use less power than the main processor 121 or to be specialized for a designated function. The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

The auxiliary processor 123 is, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is At least one of the components of the electronic device 101 (eg, the display device 160 and the sensor module 176 ) together with the main processor 121 while in an active (eg, application execution) state ), or at least some of functions or states related to the communication module 190). According to an embodiment, the auxiliary processor 123 (eg, an image signal processor or a communication processor) may be implemented as a part of another functionally related component (eg, the camera module 180 or the communication module 190). have.

The memory 130 may store various data used by at least one component of the electronic device 101 (eg, the processor 120 or the sensor module 176 ). The data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto. The memory 130 may include a volatile memory 132 or a non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 , and may include, for example, an operating system (OS) 142 , middleware 144 , or an application 146 . have.

The input device 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 . The input device 150 may include, for example, a microphone, a mouse, a keyboard, or a digital pen (eg, a stylus pen).

The sound output device 155 may output a sound signal to the outside of the electronic device 101 . The sound output device 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback, and the receiver can be used to receive incoming calls. According to an embodiment, the receiver may be implemented separately from or as a part of the speaker.

The display device 160 may visually provide information to the outside (eg, a user) of the electronic device 101 . The display device 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the corresponding device. According to an embodiment, the display device 160 includes a touch circuitry configured to sense a touch or a sensor circuit configured to measure the intensity of a force generated by the touch (eg, a pressure sensor). may include.

The audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input device 150 , or an external electronic device (eg, a sound output device 155 ) connected directly or wirelessly with the electronic device 101 . The sound may be output through the electronic device 102 (eg, a speaker or headphones).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, user state), and generates an electrical signal or data value corresponding to the sensed state. can do. According to an embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometer sensor, a magnetic sensor, and an acceleration sensor. ), grip sensor, proximity sensor, color sensor (eg, RGB (red, green, blue) sensor), IR (infrared) sensor, biometric sensor, temperature It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect to an external electronic device (eg, the electronic device 102 ) of the electronic device 101 . According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, a secure digital (SD) card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to an embodiment, the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to an embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, Wi-Fi direct, or infrared data association (IrDA)) or a second network 199 (eg, a cellular network, the Internet). , or a computer network (eg, a telecommunication network such as a LAN or a wide area network (WAN)). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other.

The wireless communication module 192 communicates with the first network 198 or the second network 199 using subscriber information (eg, international mobile subscriber identity (IMSI)) stored in the subscriber identification module 196 . The electronic device 101 may be identified and authenticated within the same communication network.

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module 197 may include one antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern. According to an embodiment, the antenna module 197 may include a plurality of antennas. In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, RFIC) other than the radiator may be additionally formed as a part of the antenna module 197 .

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)), and a signal (eg commands or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external electronic devices (eg, 102 and 104 ) may be the same as or different from the electronic device 101 .

According to an embodiment, all or a part of operations executed by the electronic device 101 may be executed by one or more external electronic devices (eg, 102 , 104 , or 108 ). For example, when the electronic device 101 needs to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices 102 and 104 may be requested to perform at least a part of a function or a service thereof. The one or more external electronic devices (eg, 102 and 104 ) that have received the request execute at least a part of the requested function or service or an additional function or service related to the request, and display a result of the execution of the electronic device 101 ) can be passed to The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this, for example, cloud computing, distributed computing, or client-server computing technology may be used.

2A is a front perspective view of a mobile electronic device 101 according to various embodiments of the present disclosure. 2B is a perspective view of a rear surface of the electronic device 101 of FIG. 2A according to various embodiments of the present disclosure.

Referring to FIGS. 2A and 2B , an electronic device (eg, the electronic device 101 of FIG. 1 ) according to an exemplary embodiment includes a first surface (or front surface) 210A and a second surface (or rear surface) 210B. ), and a housing 210 including a side surface 210C surrounding a space between the first surface 210A and the second surface 210B.

In another embodiment (not shown), the housing 210 may refer to a structure that forms part of the first surface 210A, the second surface 210B, and the side surface 210C of FIG. 1 . According to one embodiment, the first surface 210A may be formed by a front plate 202 (eg, a glass plate including various coating layers, or a polymer plate) at least a portion of which is substantially transparent. The second surface 210B may be formed by the substantially opaque back plate 211 . The back plate 211 is formed by, for example, coated or colored glass, ceramic, polymer, metal (eg, aluminum, stainless steel (STS), or magnesium), or a combination of at least two of the above materials. can be The side surface 210C is coupled to the front plate 202 and the rear plate 211 and may be formed by a side bezel structure (or “side member”) 218 including a metal and/or a polymer. In some embodiments, the back plate 211 and the side bezel structure 218 are integrally formed and may include the same material (eg, a metal material such as aluminum).

In the illustrated embodiment, the front plate 202 has a first region 210D that extends seamlessly by bending from the first surface 210A toward the rear plate, the long edge of the front plate 210D. edge) can be included at both ends. In the illustrated embodiment (see FIG. 2B ), the rear plate 211 may include a second region 210E that extends seamlessly from the second surface 210B toward the front plate at both ends of the long edge. have. In some embodiments, the front plate 202 or the back plate 211 may include only one of the first region 210D or the second region 210E. In some embodiments, the front plate 202 does not include the first region and the second region, but may include only a flat plane disposed parallel to the second surface 210B. In the above embodiments, when viewed from the side of the electronic device, the side bezel structure 218 has a first thickness ( or width), and may have a second thickness thinner than the first thickness at the side surface including the first area or the second area.

According to an embodiment, the electronic device 101 includes the display 201 , the input device 203 , the sound output devices 207 and 214 , the sensor modules 204 and 219 , and the camera modules 205 , 212 , 213 . , a key input device 217 , an indicator (not shown), and at least one of connectors 208 and 209 . In some embodiments, the electronic device 101 may omit at least one of the components (eg, the key input device 217 or the indicator) or additionally include other components.

The display 201 may be exposed through a substantial portion of the front plate 202 , for example. In some embodiments, at least a portion of the display 201 may be exposed through the front plate 202 forming the first area 210D of the first surface 210A and the side surface 210C. The display 201 may be coupled to or disposed adjacent to a touch sensing circuit, a pressure sensor capable of measuring the intensity (pressure) of a touch, and/or a digitizer that detects a magnetic field type stylus pen. In some embodiments, at least a portion of the sensor module 204 , 219 , and/or at least a portion of a key input device 217 is located in the first area 210D and/or the second area 210E. can be placed.

The input device 203 may include a microphone. In some embodiments, the input device 203 may include a plurality of microphones arranged to sense the direction of the sound. The sound output devices 207 and 214 may include speakers. The speakers (sound output devices 207 and 214) may include an external speaker 207 and a receiver 214 for a call. In some embodiments, a microphone (input device 203), speakers (acoustic output device 207, 214) and connectors 208, 209 are disposed in the space of electronic device 101 and housing 210 It may be exposed to the external environment through at least one hole formed in the . In some embodiments, a hole formed in the housing 210 may be used in common for a microphone (input device 203) and speakers (sound output devices 207 and 214). In some embodiments, the sound output devices 207 and 214 may include a speaker (eg, a piezo speaker) that operates while excluding a hole formed in the housing 210 .

The sensor modules 204 and 219 may generate an electrical signal or data value corresponding to an internal operating state of the electronic device 101 or an external environmental state. The sensor modules 204 and 219 may include, for example, a first sensor module 214 (eg, a proximity sensor) and/or a second sensor module (not shown) disposed on the first surface 210A of the housing 210 . ) (eg, a fingerprint sensor), and/or a third sensor module 219 (eg, an HRM sensor) disposed on the second surface 210B of the housing 210 . The fingerprint sensor may be disposed on the first surface 210A of the housing 210 . A fingerprint sensor (eg, an ultrasonic fingerprint sensor or an optical fingerprint sensor) may be disposed under the display 201 of the first surface 210A. The electronic device 101 may include a non-illustrated sensor, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, and a humidity. It may further include at least one of a sensor, a force (force) sensor, or an illuminance sensor 204 .

The camera modules (eg, 205 , 212 , and 213 ) include a first camera device 205 disposed on the first surface 210A of the electronic device 101 , and a second camera disposed on the second surface 210B of the electronic device 101 . device 212 , and/or flash 213 . The first camera device 205 and/or the second camera device 212 may include one or more lenses, an image sensor, and/or an image signal processor. The flash 213 may include, for example, a light emitting diode or a xenon lamp. In some embodiments, two or more lenses (wide angle and telephoto lenses) and image sensors may be disposed on one side of the electronic device 101 .

At least one key input device 217 may be disposed on the side surface 210C of the housing 210 . In another embodiment, the electronic device 101 may not include some or all of the above-mentioned key input devices 217 and the not included key input devices 217 may be displayed on the display 201 as soft keys or the like. It may be implemented in other forms. In another embodiment, the key input device 217 may be implemented using a pressure sensor included in the display 201 .

The indicator may be disposed, for example, on the first surface 210A of the housing 210 . The indicator may provide, for example, state information of the electronic device 101 in the form of light. In another embodiment, the light emitting device may provide, for example, a light source that is interlocked with the operation of the camera module 205 . The indicator may include, for example, an LED, an IR LED or a xenon lamp.

The connector holes 208 and 209 are the first connector holes 208 that can accommodate a connector (eg, a USB connector or an interface connector port module (IF module)) for transmitting and receiving power and/or data with an external electronic device. ), and/or a second connector hole (or earphone jack) 209 capable of accommodating a connector for transmitting and receiving audio signals to and from an external electronic device.

Some of the camera modules 205 and 212 (eg, the first camera device 205), some of the sensor modules 204 and 219 (eg, the first sensor module 204) or an indicator It may be arranged to be exposed through the display 101 . For example, the first camera device 205 , the first sensor module 204 or the indicator communicates with the external environment from the internal space of the electronic device 101 through the opening perforated to the front plate 202 of the display 201 . It can be arranged so as to be in contact. In another embodiment, some sensor modules (eg, the first sensor module 204 ) may be arranged to perform their function without being visually exposed through the front plate 202 in the internal space of the electronic device 101 . . For example, in this case, the area of the display 201 facing the sensor module may not need a perforated opening.

According to an embodiment, the electronic device 101 may include a plurality of force sensors adjacent to the rear plate 211 of the housing 210 . In the electronic device 101 , an antenna pattern and a charging coil (or a wireless coil) may be disposed adjacent to the rear plate 211 in an inner space direction of the electronic device 101 . A plurality of force sensors may be disposed adjacent to the antenna pattern or the charging coil.

According to various embodiments, the electronic device 101 uses at least a power stored in a battery of the electronic device 101 (eg, the battery 189 of FIG. 1 ) or power received from an external power supply device using a wireless power transmission technology. A portion may be transmitted to an external electronic device (eg, the electronic device 102 of FIG. 1 ) to charge a battery of the external electronic device. Both the electronic device 101 and the external electronic device may be devices capable of wireless power transmission/reception, but either device may be an electronic device capable of wireless power reception only.

3 is a diagram illustrating a wireless charging environment between a first electronic device and a second electronic device according to various embodiments of the present disclosure;

Referring to FIG. 3 , according to an embodiment, a first electronic device 301 (eg, the electronic device 101 of FIG. 1 ) is a second electronic device 302 (or an external device) (eg, the electronic device 101 of FIG. 1 ). The electronic device 102 may transmit or receive wireless power.

According to an embodiment, the first electronic device 301 includes a control circuit (controller) 311 (eg, the processor 120 of FIG. 1 ) and a charger (PMIC) 313 (eg, the power management module of FIG. 1 ). 188 ), a battery 315 (eg, battery 189 of FIG. 1 ), a wireless charging IC 317 and/or a charging coil 319 . According to an embodiment, the first electronic device 301 has a connection terminal for connection with an external power source 330 (or a wired power supply device) (eg, travel adapter (TA), USB). e.g. USB).

According to an embodiment, the second electronic device 302 has a control circuit 321 , a PMIC 323 , and a battery 325 that perform the same function as the first electronic device 301 only with different reference numerals. , a wireless charging IC 327 and/or a charging coil 329 may be included. According to an embodiment, the second electronic device 302 may include a connection terminal (eg, USB) for connection with the external power supply 340 (or a wired power supply device).

Hereinafter, each function will be described based on the components of the first electronic device 301 , and the components of the first electronic device 301 and the second electronic device 302 may perform the same function. A detailed description of the components of the electronic device 302 will be omitted.

According to an embodiment, the charging coil 319 may be configured in a conductive pattern spirally formed on a flexible printed circuit board (FPCB). The charging coil 319 may perform a function corresponding to the receiving coil or the transmitting coil. The charging coil 319 may wirelessly transmit power to the second electronic device 302 or wirelessly receive power from the second electronic device 302 .

According to an embodiment, the wireless charging IC 317 may include a full bridge circuit. For example, the wireless charging IC 317 controls the full-bridge circuit to be driven by an inverter (DC (direct current) -> AC (alternating current)) in the wireless power transmission mode, and the full bridge circuit in the wireless power reception mode The bridge circuit can be controlled to be driven by a rectifier (AC -> DC). The wireless charging IC 317 may operate as a wireless power transmitting circuit or a wireless power receiving circuit based on a wireless charging operation mode.

The wireless charging IC 317 may support at least one of various wireless charging methods including, for example, an electromagnetic induction method, an electromagnetic resonance method, or an RF wireless power transmission method. For example, electromagnetic induction is a wireless power transmission standard (eg, wireless power consortium (WPC) or power matters alliance) can be used. As another example, in the electromagnetic resonance method, a wireless charging technology standard (eg, electromagnetic resonance) that tunes a magnetic field generated by a transmitting coil to a specific resonant frequency and transmits power to a wireless terminal device located in a short distance. : alliance for wireless power) can be used.

According to an embodiment, the wireless charging IC 317 performs wireless power through in-band communication with the second electronic device 302 according to at least a part of a wireless power consortium (WPC) standard (or non-standard). Information or data necessary for transmission can be exchanged. The information may include, for example, IDs (eg, model names or identification information of electronic devices) of the first and second electronic devices 301 and 302 or charging operation mode information (eg, power transmitted/received). , voltage, information about rectification, and information for changing the operation mode). Alternatively, the information includes position information in which the transmitting coil is disposed, charging area, alignment position information between electronic devices, coil direction information indicating (or indicating) the direction in which the transmitting coil is located, coil area information in which the transmitting coil is located, wireless charging state information or weight information based on the alignment position of the external electronic device (eg, the second electronic device 302).

In-band communication is the first electronic device 301 and the second electronic device 302 through frequency modulation or amplitude modulation of a wireless power transmission signal in a wireless power transmission situation between a transmitting coil and a receiving coil. ) may be a way to exchange information or data between them. In-band communication may transmit data using a power transmission channel.

According to another embodiment, communication between the first electronic device 301 and the second electronic device 302 may exchange information or data through out-band communication. For example, out-band communication is different from a wireless power signal, and may be short-range communication such as Bluetooth, Zigbee, Wi-Fi, or NFC.

According to an embodiment, the PMIC 313 has a charger function for charging wired and wireless input power to the battery 315, and an external power supply device 330 connected to a connection terminal (not shown) (eg, a USB terminal). Ability to communicate with (eg, TA) (eg, USB battery charging specification, USB power delivery (PD) communication, adaptive fast charging (AFC) communication, and/or quick charge (QC) communication), supplying required power to the system and a function of supplying power according to a voltage level required for each device, and/or a function of supplying power to the wireless charger IC 317 in a wireless power transmission mode. According to an embodiment, the connection terminal may be a terminal conforming to the USB standard. For example, the connection terminal may be an interface for USB charging and/or OTG (on the go) power supply. According to an embodiment, the connection terminal may be connected to an external power supply.

According to an embodiment, the battery 315 may receive power supplied from the wireless charging IC 317 or power supplied from the second electronic device 302 using the PMIC 313 . The battery 315 is a device for supplying power to at least one component of the first electronic device 301, and may include, for example, a non-rechargeable primary cell, or a rechargeable secondary cell, or a fuel cell. can The battery 315 may be integrally disposed inside the first electronic device 301 , or may be detachably disposed with the first electronic device 301 .

According to an embodiment, the control circuit 311 is electrically connected to at least one of the charging coil 319 , the wireless charging IC 317 , the PMIC 313 , or the battery 315 in the first electronic device 301 . Thus, overall control of the first electronic device 301 may be performed. The control circuit 311 may generate various messages necessary for wirelessly transmitting or receiving power with the second electronic device 302 . The control circuit 311 may calculate power (or amount of power) to be transmitted to the second electronic device 302 .

According to an embodiment, when the second electronic device 302 (eg, a smart phone, a watch, or an earbud) is in contact with or adjacent to the first electronic device 301 , the charging coil 319 and the wireless charging IC 317 are connected. ) to operate in a wireless power transmission mode (eg, Tx mode) in which power stored in the battery 315 is wirelessly transmitted. For example, when the first electronic device 301 operates in the wireless power transmission mode (eg, Tx mode), the first electronic device 301 uses the charging coil 319 to receive power wirelessly (eg, the Tx mode). It may mean a state in which wireless power is transmitted to the second electronic device 302 operating in Rx mode).

According to an embodiment, when the external power supply 330 (or wired power supply) is connected, the first electronic device 301 preferentially uses external power (power) in the wireless power transmission mode and uses the remaining power. The battery 315 may be charged. When the external power device 330 is connected, the first electronic device 301 supplies external power (power) to the wireless charger IC 317 for the wireless power transmission mode or supplies the battery 315 for charging. It can be done alternately.

According to other embodiments, when the first electronic device 301 is in contact with or adjacent to the second electronic device 302 , the first electronic device 301 wirelessly receives power using the charging coil 319 . It can operate in a wireless power reception mode (eg, Rx mode). When the first electronic device 301 operates in the wireless power reception mode, the first electronic device 301 receives wireless power from the second electronic device 302 operating in the wireless power transmission mode through the charging coil 319 . It may mean that the battery 315 is in a state of being received and charging the battery 315 using the received wireless power.

According to an embodiment, wireless power between electronic devices is one-way communication, and a device operating in a wireless power transmission mode may only transmit wireless power, and a device operating in a wireless power reception mode may only receive wireless power.

According to an embodiment, the inductive wireless charging between the first electronic device 301 and the second electronic device 302 determines a state in which the first electronic device 301 and the second electronic device 302 are in contact with or adjacent to each other. It can be done if you keep it. For example, when the first electronic device 301 is a wireless power transmitter and the second electronic device 302 is a wireless power receiver, the charging coil 319 and the second electronic device of the first electronic device 301 are This may be done if the charging coil 329 of the device 302 is adjacent and the center of the charging coil 319 and the center of the charging coil 329 are generally aligned. According to an embodiment, the first electronic device 301 may operate as a wireless power receiver, and the second electronic device 302 may operate as a wireless power transmitter.

4 is a block diagram illustrating a configuration of an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 4 , the electronic device 101 (eg, the electronic device 101 of FIG. 1 , the first electronic device 301 of FIG. 3 ) according to an embodiment may wirelessly supply power to the outside, It can receive power wirelessly. For example, the electronic device 101 may operate in a wireless power transmission mode (eg, Tx mode) or a wireless power reception mode (eg, Rx mode).

According to an embodiment, the electronic device 101 includes a first communication circuit 410 (eg, the communication module 190 of FIG. 1 ), a charging coil 411 (eg, the charging coils 319 and 329 of FIG. 3 ); Power transmission/reception circuit (TRX IC (transmit/receive integrated chip) 415 (eg, wireless charger ICs 317 and 327 of FIG. 3 ), second communication circuit 420 (eg, communication module 190 of FIG. 1 ) ), the force sensor unit 440 , the display 450 (eg, the display device 160 of FIG. 1 ), the processor (or control circuit) 460 (eg, the processor 120 of FIG. 1 , the control of FIG. 3 ) circuit 311,321), memory 470 (eg, memory 130 in FIG. 1) PMIC 480 (eg, PMIC 313,323 in FIG. 3) and battery 490 (eg, battery 189 in FIG. 1) ), and the batteries 315 and 325 of FIG. 3 ).

The first communication circuit 410 and the power transmission/reception circuit 415 may be electrically connected to the charging coil 411 . According to an embodiment, the first communication circuit 411 and the power transmission/reception circuit 415 may be implemented as one configuration. For example, the first communication circuit 410 and the power transmission/reception circuit 415 may be referred to as a wireless charging circuit 430 (eg, the wireless charging IC 317 of FIG. 3 ).

The first communication circuit 410 may wirelessly transmit and receive communication with an external electronic device (eg, the electronic device 102 of FIG. 1 or the second electronic device 302 of FIG. 3 ) through the charging coil 411 . . The first communication circuit 410 communicates with a communication circuit of an external electronic device using a frequency that is the same as or adjacent to a frequency used for wireless power transfer in the charging coil 411, for example, in an in-band manner. can

The charging coil 411 may be defined as a transmitting coil in the wireless power transmission mode, and may be defined as a receiving coil in the wireless power receiving mode. Alternatively, the charging coil 411 may include a first conductive pattern for transmitting wireless power and a second conductive pattern for receiving wireless power.

The power transmission/reception circuit 415 may wirelessly transmit/receive power to and from an external electronic device through the charging coil 411 . It may include at least one of a matching circuit that adjusts, a rectifier circuit that rectifies AC power to DC, an adjustment circuit that adjusts the charging voltage, and a switch circuit that changes a connection path. According to an embodiment, the power transmission/reception circuit 415 may transmit power by generating a frequency signal according to a power level to be transmitted to the outside.

The second communication circuit 420 may communicate with an external electronic device using any one of short-range communication methods such as Bluetooth, BLE, Wi-Fi, Zigbee, or NFC. The second communication circuit 420 may include an antenna pattern for using a short-range communication method such as Bluetooth, BLE, Wi-Fi, NFC, or infrared data association (IrDA). According to an embodiment, the second communication circuit 420 may further include an antenna pattern for cellular communication and global navigation satellite system (GNSS) communication in addition to an antenna pattern for using a short-range communication method.

According to an embodiment, the second communication circuit 420 is operatively connected to the processor 460 and may communicate with the second communication circuit of an external electronic device, for example, in an outband manner. According to another embodiment, the second communication circuit 420 may be configured to be included in the wireless charging circuit 430 .

According to an embodiment, the processor 460 may provide information or data related to a charging operation from an external electronic device through the first communication circuit 410 or the second communication circuit 420 , for example, an electronic device ID (model name). Or identification information), charging operation mode information (eg, information about transmitted/received power, voltage, rectification and information for changing the operation mode), wireless charging guide information, and various packets or messages may be transmitted and received.

For example, the wireless charging guide information includes location information of a charging coil (eg, a transmission coil) disposed in the electronic device 101 , information on a coil area in which the charging coil (eg, a transmission coil) is located, and the electronic device 101 . Coil direction information indicating a direction in which a charging coil (eg, a transmitting coil) of the electronic device 101 is disposed based on the arrangement position of the external electronic device placed on the external electronic device, information on the arrangement of the external electronic device It may include weight information and/or wireless charging progress information based on the alignment position.

For example, the wireless charging progress information includes status information about whether wireless charging is in progress between the electronic device 101 and an external electronic device or wireless charging in progress (eg, device error, charging progress or full charge information) and electronic device ( 101) may include remaining battery capacity information.

The force sensor unit 440 may be disposed in a region adjacent to the antenna pattern included in the charging coil 411 or the second communication circuit 420 . For example, the force sensor unit 440 may be disposed in an area that does not overlap the charging coil 411 . The force sensor unit 440 may sense a pressure, generate an electrical signal in response to the sensed pressure, and transmit the generated electrical signal to the processor 460 . The force sensor unit 440 may include a thin-film or film-type force sensor, for example, a force sensing resistor (FSR), a diaphragm, and a silicon-based pressure sensor.

According to an embodiment, the force sensor unit 440 may include a plurality of force sensors, for example, at least three force sensors. When the electronic device 101 is viewed from the rear direction (eg, the second surface 210B of FIG. 2B ), at least three force sensors may be disposed to be spaced apart from each other by a predetermined distance or more. The position values of the respective force sensors may be different from each other. The processor 460 may identify an alignment position in which the external electronic device is placed on the electronic device based on the position value of each force sensor and the amount of change in the sensor value measured by each force sensor.

According to some embodiments, the electronic device 101 may further include a sensor circuit (not shown) including various types of sensors. The sensor circuit may include at least one of a temperature sensor, a motion sensor, or a current (or voltage) sensor or foreign object detection (FOD). The temperature sensor may detect a temperature state of the electronic device 101 . The motion sensor may detect a motion state of the electronic device 101 . The current (or voltage) sensor may detect a state of an output signal of the electronic device 101 , for example, a current level, a voltage level, or a power level. The current (or voltage) sensor may measure a signal in at least a portion of a transmit/receive integrated chip (TRX). The external object detection may detect an external object that approaches or comes into contact with the electronic device. For example, the external object detection may detect an object (eg, a metal object) that affects the amount of change in the current applied to the charging coil through the current sensor.

The display 450 may display various types of information required for wireless power transmission/reception. The display 450 may display the remaining battery level in the wireless power reception mode, or display whether power is being received from the external electronic device. The display 450 may display alignment location information based on the wireless charging guide information.

The display 450 may display alignment position information based on wireless charging guide information transmitted from an external electronic device in the wireless power reception mode. For example, the display 450 may display a charging area, location information of a transmitting coil, coil area information in which a transmitting coil is located, coil direction information indicating a direction in which the transmitting coil is located, and a location of a receiving coil disposed in the electronic device 101 . At least one of information may be displayed.

According to an embodiment, the processor 460 is a coil indicating which position is mounted (or disposed) in a charging area of a device (eg, an external electronic device) for transmitting wireless power or a rear direction of the electronic device of the transmitting coil. The area (or charging area) may be controlled to be displayed on the display 450 . Additionally or additionally, the processor 460 includes an image of the transmitting coil and a position indicator indicating where the electronic device 101 is placed on a device (eg, an external electronic device) that transmits wireless power, and a transmitting coil. At least one of a direction indicator for guiding a location direction and a charging area of a device (eg, an electronic device) receiving wireless power may be controlled to be displayed on the display 450 .

The memory 470 may at least temporarily store, for example, input data or output data for software (eg, a program (eg, the program 140 of FIG. 1 ), software-related commands). may include at least one of an operating system, middleware, and an application for controlling one or more resources of the memory 470 may store instructions instructing an operation related to wireless power transmission/reception.

The processor 460 may control operations related to wireless power transmission/reception.

According to an embodiment, in the wireless power transmission mode (eg, Tx mode), the processor 460 may control to transmit power for charging the battery of the external electronic device to the external electronic device. In the wireless power transmission mode, the processor 460 may control to convert power transmitted from the battery 490 or an external power source into a charging voltage and charging current suitable for charging or using the battery 490 of an external electronic device. The processor 460 may calculate power (or amount of power) to be transmitted to the external electronic device, and control the wireless charging circuit 430 to transmit the calculated power through the charging coil 411 to the external electronic device. For example, the processor 460 may include information (eg, a model name, identification information, battery capacity, or a charging voltage value and/or charging) of an external electronic device through the first communication circuit 410 or the second communication circuit 420 . current value) and may control the wireless charging circuit 430 based on the received information.

According to an embodiment, in the case of a wireless power transmission mode (eg, Tx mode), the processor 460 is external based on short-range communication (eg, communication through the second communication circuit 420 such as BT or BLE). A communication channel with the electronic device may be set. The processor 460 performs a wireless charging process (eg, ping step, identification & configuration step) with an external electronic device based on the communication channel, and then transmits power to the external electronic device wirelessly through the charging coil 411 . can For example, a wireless charging process according to the WPC standard may include a ping step, an identification & configuration step, or a power transfer step. The ping step may be a step of determining whether a wireless power receiving device (eg, an external electronic device) is placed on the electronic device. The identification & configuration step may be a step of determining an amount of power transmitted through communication, for example, a designated wireless power to be transmitted by the electronic device 101 to an external electronic device. The processor 460 may perform a ping step, an identification & configuration step, and wirelessly transmit power to an external electronic device in a power transfer step.

According to an embodiment, in the case of a wireless power transmission mode (eg, Tx mode), the processor 460 checks the alignment (arrangement) position of the external electronic device detected by the force sensor unit 440, and a wireless charging guide It can be controlled to transmit information to an external electronic device. The wireless charging guide information includes location information of a charging coil (eg, a transmission coil) disposed in the electronic device 101 , coil area information in which the charging coil is located, alignment location information of an external electronic device placed on the electronic device 101 , and external electronic devices. At least among coil direction information indicating a direction in which a charging coil (eg, a transmitting coil) of the electronic device 101 is disposed based on the arrangement position of the device or wireless charging progress information of the electronic device 101 and/or an external electronic device may contain one. For example, the wireless charging guide information may include at least one of an alignment position value, direction data, and a charging area image (or charging coil image) included in the rear image of the electronic device 101 .

According to an embodiment, in the case of a wireless power transmission mode (eg, Tx mode), the processor 460 performs frequency modulation or amplitude modulation of a wireless power transmission signal while performing a wireless power transmission operation. Through the in-band communication based on the first communication circuit 410, the wireless charging guide information may be transmitted to the external electronic device.

According to an embodiment, in a wireless power transmission mode (eg, Tx mode), the processor 460 may transmit wireless charging guide information to an external electronic device through out-band communication based on the second communication circuit 420 . . For example, when a short-range communication channel (eg, BLE) is formed with the external electronic device through the wireless charging process, the processor 460 may transmit wireless charging guide information to the external electronic device through the short-range communication channel.

According to an embodiment, when in-band communication with the external electronic device is in an inappropriate state, the processor 460 may transmit wireless charging guide information to the external electronic device through out-band communication. The processor 460 transmits wireless power In the mode, when a communication channel based on the external electronic device and the second communication circuit 420 is not set or the in-band communication environment is inappropriate, setting a communication channel for transmitting wireless charging guide information with an external electronic device process can be performed.

According to another embodiment, in the wireless power reception mode (eg, Rx mode), the processor 460 may receive power from an external electronic device and control the battery 490 to be charged. In the wireless power reception mode (eg, Rx mode), the processor 460 controls to convert the received power into a charging voltage and a charging current suitable for charging the battery 490 , and charges the battery 490 with the received power. It is possible to control the wireless charging circuit 430 to do so. For example, when a magnetic field is formed in a charging coil (eg, a Tx coil) of an external electronic device, the charging coil (eg, a receiving coil) 411 of the electronic device 101 induces electromagnetic induction. Alternatively, current flows by resonance and the battery 490 may be charged through the wireless charging circuit 430 using this.

In the wireless power reception mode (eg, Rx mode), the processor 460 may obtain wireless charging guide information from the first communication circuit 410 or the second communication circuit 420 . For example, when receiving power from an external electronic device through the charging coil 411 , the processor 460 generates charging status information related to an operation of charging the battery 490 , and displays the charging status on the display 450 . information can be printed. The processor 460 may control to display a charging icon indicating whether wireless power received from the external electronic device is being received or information indicating the remaining amount of the battery 490 on the display 450 .

For another example, the processor 460 is based on the received wireless charging guide information, the charging area of the electronic device and/or the external electronic device, the position information of the transmitting coil, the alignment position information, the transmitting coil direction information, the position of the receiving coil At least one of information and wireless charging progress information may be controlled to be displayed on the display 450 .

The battery 490 may receive power supplied from an external power source or power supplied from the external electronic device 102 through a charging circuit. The battery 490 may include, for example, a lithium-ion battery, a rechargeable battery, and/or a solar battery. The battery 490 is a device for supplying power to at least one component of the electronic device 101 , and may be integrally disposed inside the electronic device 101 , and may be detachably disposed with the electronic device 101 . may be

The electronic device 101 according to various embodiments is electrically connected to a charging coil (eg, the charging coils 319 and 329 of FIG. 3 , and the charging coil 411 of FIG. 4 ) for wirelessly transmitting and receiving power, and the charging coil a power transmission/reception circuit (eg, the wireless charging ICs 317 and 327 of FIG. 3 , the power transmission/reception circuit 415 of FIG. 4 ), a first communication circuit electrically connected to the power transmission/reception circuit (eg, the communication of FIG. 1 ) Module 190, a wireless charging circuit including a first communication circuit 410 of FIG. 4) (eg, the wireless charging IC 317 of FIG. 3, the wireless charging circuit 430 of FIG. 4, a force sensor unit (eg : the force sensor unit 440 of FIG. 4), and a processor electrically connected to the wireless charging circuit and the force sensor unit (eg, the processor 120 of FIG. 1 , the control circuits 311 and 321 of FIG. 3 , the control circuits 311 and 321 of FIG. 4 ) a processor 460), wherein the processor controls the wireless charging circuit so that the electronic device provides wireless power to an external electronic device through the charging coil, and obtains sensing information from the force sensor unit, The first communication circuit is configured to confirm an alignment position with the external electronic device placed on the electronic device based on the sensing information, and guide the alignment position in the external electronic device based on the alignment position of the external electronic device. It may be set to transmit wireless charging guide information to the external electronic device through the

The electronic device 101 according to an embodiment includes a second communication circuit (eg, the communication module 190 of FIG. 1 , the second communication module 420 of FIG. 4 ) including an antenna pattern supporting at least one wireless communication. )), and the processor may be configured to transmit the wireless charging guide information to the external electronic device through the second communication circuit instead of the first communication circuit.

In the electronic device 101 according to an embodiment, the first communication circuit and the power transmission/reception circuit may be integrally formed to be electrically connected to the charging coil.

According to an embodiment, when in-band communication is impossible with the external electronic device through the first communication circuit, the processor establishes an out-band communication channel connection with the external electronic device through the second communication circuit, , to transmit the wireless charging guide information to the external electronic device through the out-band communication channel.

According to an embodiment, the wireless charging guide information may include location information in which the charging coil is disposed, a charging area, alignment location information indicating a location of the external electronic device placed on the electronic device, and the charging based on the alignment location. It may include at least one of coil direction information indicating a direction in which the coil is arranged or wireless charging progress information of the electronic device and/or the external electronic device.

According to an embodiment, the electronic device 101 further includes a display disposed on the front surface of the housing, wherein the display, the wireless charging circuit, the second communication circuit, the force sensor unit, and the processor are mounted. It further includes a housing, wherein the force sensor unit may be mounted in a rear direction of the housing on which the display is not disposed.

According to an embodiment, the force sensor unit includes a plurality of force sensors, the plurality of force sensors are disposed adjacent to the charging coil and spaced apart from each other by a predetermined distance, and the processor includes: It may be set to check the alignment position of the external electronic device based on the position value and the amount of change in the sensor values measured by the plurality of force sensors.

According to an embodiment, the charging coil may be disposed between the display and the rear plate of the housing.

According to an embodiment, the processor determines whether the alignment position of the external electronic device satisfies a set reference range, and the external electronic device overlaps within a predetermined range based on a region in which the charging coil of the electronic device is disposed. When it is located at a position or a predetermined weight, it may be set to transmit wireless power to the external electronic device.

The electronic device 101 according to various embodiments includes a charging coil (eg, the charging coils 319 and 329 of FIG. 3 , the charging coil 411 of FIG. 4 ) for wirelessly transmitting and receiving power, electrically connected to the charging coil A power transmission/reception circuit (eg, the wireless charging ICs 317 and 327 of FIG. 3 , the power transmission/reception circuit 415 of FIG. 4 ) and a first communication circuit electrically connected to the charging coil and the power transmission/reception circuit (eg, FIG. 1, the communication module 190, the first communication circuit 410 of FIG. 4) including a wireless charging circuit (eg, the wireless charging IC 317 of FIG. 3 , the wireless charging circuit 430 of FIG. 4 , the display ( Example: the display device 160 of FIG. 1 , the display 450 of FIG. 4 ), a second communication circuit (eg, the communication module 190 of FIG. 1 , the second communication module 420 of FIG. 4 ) and the wireless A charging circuit, a processor (eg, the processor 120 of FIG. 1 , the control circuits 311 and 321 of FIG. 3 , the processor 460 of FIG. 4 ) connected to the display and the second communication circuit, the processor comprising: control the wireless charging circuit to receive wireless power from an external electronic device through the charging coil, receive wireless charging guide information from the external electronic device through the first communication circuit or the second communication circuit, and receive the received Alignment position information guiding an alignment position between the wireless power transmission coil of the external electronic device and the charging coil may be set to be displayed on the display based on the wireless charging guide information.

According to an embodiment, the alignment location guide information may include an image in which a charging coil of the external electronic device is disposed, a location indicator indicating where the electronic device is placed on the external electronic device, and charging the external electronic device. It may include at least one of a direction indicator for guiding a direction in which the coil is located, and a charging area of the electronic device.

5 is a plan view illustrating a state in which a rear plate is removed from the electronic device of FIGS. 2A and 2B according to an exemplary embodiment.

Referring to FIG. 5 , according to an embodiment, the electronic device 101 is viewed from the rear direction (eg, the second surface 210B of FIG. 2B ) in a state in which the rear plate (eg, 210B of FIG. 2B ) is separated. At this time, the electronic device 101 includes an antenna pattern 510 (eg, the antenna module 197 of FIG. 1 ), a charging coil 520 (eg, FIG. 1 ) in the inner space of the housing (eg, the housing 210 of FIG. 2A ). 4 charging coils 411), and a plurality of force sensors 531, 532, and 533 may be disposed. 5, the antenna pattern 510, the charging coil 520, and the plurality of force sensors 531, 532, 533 are emphasized in the drawing for convenience of explanation, but at least one substrate ( 540 ), camera 550 (eg, camera module 180 in FIG. 1 , camera modules 212 , 213 , 215 in FIG. 2 ) and battery 560 (eg, battery 189 in FIG. 1 , FIG. 4 ). of the battery 490), as well as the components shown in FIG. 1 may be mounted. Hereinafter, a description of a configuration not shown in the drawings will be omitted.

According to an embodiment, the substrate 540 may include, for example, a first communication circuit (eg, the first communication circuit 410 of FIG. 4 ), a second communication circuit (eg, the second communication circuit of FIG. 4 ), or Components such as a processor (eg, the processor 460 of FIG. 4 ) may be mounted thereon. The substrate 540 may be implemented using at least one of a printed circuit board (PCB) and a flexible printed circuit board (FPCB).

According to an embodiment, the antenna pattern 510 , the charging coil 520 , and the plurality of force sensors 531 , 532 , and 533 may include a rear plate (eg, the second surface 210B of FIG. 2B ) and a battery 560 of the electronic device. ) may be implemented in a flexible printed circuit board (FPCB) 545 positioned between them, but is not limited thereto. According to an embodiment, at least some of the antenna pattern 510 , the charging coil 520 , and the plurality of force sensors 531 , 532 , and 533 may be located on two or more substrates (or FPCBs).

According to an embodiment, the antenna pattern 510 and the charging coil 520 may be disposed to overlap at least a portion of the battery 560 or the substrate 540 .

The antenna pattern 510 may be electrically connected to at least a portion of the substrate 540 , for example, a second communication circuit (eg, the second communication circuit 420 of FIG. 4 ). The antenna pattern 510 may include at least one conductive pattern used as a radiator. The conductive pattern may be utilized for communication such as near field communication (NFC), magnetic secure transmission (MST), Bluetooth, BLE, Wi-Fi, or ZigBee.

The antenna pattern 510 and the charging coil 520 may be disposed between a display (eg, the display 450 of FIG. 4 ) and a rear plate. At least a portion of the charging coil 520 is at least a portion of the substrate 540 , for example, a first communication circuit (eg, the first communication circuit 410 of FIG. 4 ) and a wireless charging circuit (eg, wireless charging of FIG. 4 ) circuit 430) and may be electrically connected. The charging coil 520 may be used to wirelessly receive power from an external electronic device or wirelessly transmit power to an external electronic device. The electronic device 101 may charge the battery 560 using the power received through the charging coil 520 .

The plurality of force sensors 531 , 532 , and 533 may be disposed in at least a partial region of the FPCB 545 on which the antenna pattern 510 or the charging coil 520 is disposed. For example, each force sensor may be disposed at a position that does not overlap an area where the charging coil 520 and the antenna pattern 510 are disposed.

According to an embodiment, the plurality of force sensors 531 , 532 , and 533 may include three sensors spaced apart from each other by a predetermined distance or more to measure the position of an external electronic device. It may be different depending on the position of the pattern 510 and the charging coil 520 . The plurality of force sensors 531 , 532 , and 533 may have different position values. When an external object (eg, an external electronic device) is placed on the rear plate (eg, the second surface 210B of FIG. 2B ) of the electronic device 101 , each force sensor may detect a change amount of a sensor value. Each force sensor may be connected to a processor (eg, the processor 460 of FIG. 4 ) disposed on the substrate 540 . Based on the position value of each force sensor and the amount of change in the sensor value measured by each force sensor, the processor determines the alignment position (or placement position) of an external object (such as an external electronic device) placed on or in contact with the rear plate. can

According to an embodiment, the plurality of force sensors 531 , 532 , and 533 may be disposed adjacent to an inner wall direction (eg, a direction facing the front side) of the rear plate of the electronic device 101 , but is not limited thereto. For example, when the charging coil 520 is disposed on the front surface of the electronic device 101 (eg, the first surface 210A of FIG. 2A ), the plurality of force sensors 531 , 532 , and 533 are disposed adjacent to the front plate could be

Although not shown in the drawing, the rear plate may be disposed on the antenna pattern 510 , the charging coil 520 and the plurality of force sensors 531 , 532 , 533 , and the substrate 540 , the antenna pattern 510 , and the charging coil. 520 , the force sensors 531 , 532 , and 533 may be protected. The back plate may include the back plate shown in FIG. 2B (eg, 210B in FIG. 2B).

6 illustrates a method of guiding an alignment position of an electronic device according to an exemplary embodiment.

Referring to FIG. 6 , according to an embodiment, the processor of the electronic device 101 (eg, the processor 460 of FIG. 4 , the processor 120 of FIG. 1 ) operates in a wireless power transmission mode ( TX mode) operation, or a wireless power reception (RX mode) mode operation may be performed. Although it is described in the drawing of FIG. 6 that the electronic device 101 can perform both the wireless power transmission mode and the wireless power reception mode operation, the electronic device 101 operates in the wireless power transmission mode (eg, operations 620 to 620 ). Only operation 650) or only the wireless power reception mode (eg, operations 660 to 680) may be performed.

In operation 610, the processors 460 and 120 may determine whether a wireless power transmission mode (TX mode) is activated. According to an embodiment, the processors 460 and 120 may activate the wireless power transmission mode based on a user input. For example, a user may select an object (eg, an icon in an inactive state) for activating a wireless power transmission mode disposed on a setting menu or a home screen. The processors 460 and 120 may determine activation of the wireless power transmission mode based on the object selection. Additionally, the processors 460 and 120 may display an object in an inactive state by converting it to an active state based on the selection of the object. According to an embodiment, the processors 460 and 120 may activate the wireless power transmission mode based on a sensor value measured by at least one sensor (eg, a motion sensor). For example, when the electronic device 101 faces a specified direction (eg, when the front plate faces the ground direction), the wireless power transmission mode may be activated.

When the electronic device 101 is in the wireless power transmission mode, in operation 620 , the processors 460 and 120 may wirelessly transmit power to an external electronic device (eg, a wireless power receiver) through a charging coil. For example, the processors 460 and 120 may turn on a wireless charging function to transmit wireless power to an external electronic device through a charging coil. For another example, the processors 460 and 120 perform a wireless charging process with the external electronic device to exchange information related to wireless charging with the external electronic device, and based on the identification information of the external electronic device, the level corresponding to the external electronic device is generated. Power may be wirelessly transmitted to an external electronic device.

In operation 630 independently or in parallel with operation 620 , the processors 460 and 120 may acquire sensing information from the force sensors 531 , 532 , 533 or the force sensor unit 440 .

In operation 640 , the processors 460 and 120 may identify an alignment position in which the external electronic device is placed on the electronic device based on the sensing information. For example, the processor 460 , 120 checks the position of each of the force sensors 531 , 532 , and 533 and the amount of change in the sensor value measured by each of the force sensors 531 , 532 , and 533 , so that the external electronic device transmits the electronic device to the external electronic device. You can check which area or where it is placed.

In operation 650 , the processors 460 and 120 may transmit wireless charging guide information to the external electronic device based on the alignment position of the external electronic device. The wireless charging guide information includes transmission coil position information, area information in which the charging coil is located, alignment position information of an external electronic device placed on the electronic device, and coil direction information indicating a direction in which the transmitting coil is arranged based on the alignment position of the external electronic device. Or it may include at least one of wireless charging progress information.

According to another embodiment, the processors 460 and 120 check the alignment position of the external electronic device and, when the alignment position of the external electronic device is out of a reference range for the charging coil or charging region, the alignment position to the external electronic device Guide information can be transmitted.

According to an embodiment, the processors 460 and 120 may transmit the alignment location guide information to the external electronic device through in-band communication based on the first wireless communication or out-band communication based on the second wireless communication.

According to some embodiments, when it is determined in operation 610 that the electronic device operates in the wireless power transmission mode, the processors 460 and 120 perform operations 630 to 650 to perform sensors received from the force sensors 531 , 532 , and 533 . The alignment position of the external electronic device may be checked based on the change amount of the value. When the alignment position of the external electronic device is within a specified range, the processors 460 and 120 may perform operation 620 to transmit power wirelessly. For example, operations 620 and 630 to 650 may be performed independently or in parallel.

According to some embodiments, when determining that an object (eg, an external electronic device) is placed on the electronic device through the force sensors 531 , 532 , and 533 , the processor 460 , 120 identifies the placed object through the wireless charging circuit can do. For example, the processors 460 and 120 may identify the type of object (eg, a mobile device or an accessory device) based on information transmitted from an external electronic device through in-band communication. As another example, the processors 460 and 120 may identify the external electronic device through out-band communication based on the second wireless communication. The processors 460 and 120 may determine a reference range of an alignment position for wireless charging based on the identified external electronic device. In another embodiment, when the electronic device 101 operates in the wireless power reception mode, in operation 660 . The processors 460 and 120 may receive wireless power from an external electronic device (eg, a wireless power transmitter). The processors 460 and 120 may control the charging circuit to charge the battery using the received wireless power.

In operation 670 independently or in parallel with operation 660 , the processors 460 and 120 may receive wireless charging guide information from an external electronic device. The wireless charging guide information includes charging coil (eg, transmitting coil) location information of the wireless power transmitting device, transmitting coil area information, charging area information of the wireless power transmitting device, alignment location information of the electronic device 101, and wireless power transmitting device of the wireless power transmitting device. It may include at least one of coil direction information indicating a direction of a charging coil (eg, a transmission coil) or wireless charging progress information of an electronic device and/or an external electronic device.

In operation 680 , the processors 460 and 120 may output alignment location information to the displays 160 and 450 based on the wireless charging guide information.

The alignment position information may include, for example, a coil image indicating where it is mounted (or disposed) in a charging area of a device that transmits wireless power (eg, an external electronic device) or a rear direction of an electronic device of a transmitting coil; A position indicator indicating where the electronic device 101 is placed on a device that transmits wireless power (eg, an external electronic device), a direction indicator that guides the direction in which the transmission coil is located, and a device that receives wireless power (eg, an external electronic device) : electronic device) may include at least one of the charging area.

For example, the alignment position information may be image data generated based on the alignment position information of the external electronic device, but may also be in other data types. According to an embodiment, the electronic device 101 may receive rear image data of an external electronic device from an external electronic device or a server, display a position value of a transmission coil of the rear image data, or a charging area, and output it on a display. .

The user of the electronic device 101 may check the charging area of the external electronic device, the location of the transmission coil, or the position in which the electronic device 101 is placed on the basis of the alignment location information. The user may recognize a position where charging efficiency is maximized based on the alignment position information, and may move the electronic device 101 so that the charging coil of the electronic device 101 matches the center of the charging coil of the external electronic device.

According to some embodiments, when the charging coil of the electronic device 101 coincides with the center of the charging coil of the external electronic device through operations 670 to 680, the electronic device 101 may perform operation 660 . According to an exemplary embodiment, when receiving more than a set power from the external electronic device through operations 670 to 680 , the electronic device 101 may perform operation 660 .

7 illustrates a method of guiding a wireless charging alignment position of an electronic device according to an exemplary embodiment. 7 illustrates an operation of the electronic device 101 operating in a wireless power transmission mode (eg, Tx mode). According to an embodiment, the charging coil 411 of the electronic device 101 may be located adjacent to the rear plate 211 .

Referring to FIG. 7 , the processor (eg, the processor 460 of FIG. 4 and the processor 120 of FIG. 1 ) of the electronic device 101 according to an embodiment transmits power wirelessly based on a user input in operation 710 . It can operate in a mode (eg, Tx mode). For example, the processors 460 and 120 may detect a user input for selecting an object for activating the wireless power transmission mode disposed on the setting menu or the home screen, and start the wireless power transmission mode in response to the object selection. As another example, the processors 460 and 120 may activate the wireless power transmission mode based on a sensor value measured by at least one sensor (eg, a motion sensor).

The processors 460 and 120 may wirelessly supply power to an external electronic device (eg, the electronic device 102 of FIG. 1 ) based on a charging coil (eg, the charging coil 411 of FIG. 4 ). According to an exemplary embodiment, the processors 460 and 120 supply (or share, transmission) can be controlled.

According to an embodiment, the processors 460 and 120 boost (or set) the voltage of the battery (eg, about 5V) to a voltage (eg, about 7.5V) optimized for use in wireless power supply through the wireless charging circuit 430 . ) to provide wireless power so that the external electronic device can perform wireless charging.

In operation 720 , the processors 460 and 120 may acquire sensing information from the plurality of force sensors 531 , 532 , 533 or the force sensor unit 440 . In operation 730, the processors 460 and 120 may check the alignment position of the external electronic device placed on the electronic device for wireless charging. For example, the processors 460 and 120 may detect proximity or contact of an external electronic device, compare the amount of change in the sensor value measured by each force sensor, and place the external electronic device at any position on the rear side of the electronic device 101 . You can check if it is placed.

In operation 740 , the processors 460 and 120 may determine whether the alignment position of the external electronic device satisfies a set reference range. For example, the processors 460 and 120 may determine that the set reference range is satisfied when the external electronic device 101 is located at a location overlapping a predetermined range and/or at a predetermined weight based on an area in which the charging coil is disposed. .

When the external electronic device is located within the reference range of the charging coil of the electronic device, the processors 460 and 120 may proceed to operation 770 because the wireless charging efficiency corresponds to the reference value. For example, when the external electronic device is located within the reference range of the charging coil of the electronic device 101 , the processors 460 and 120 may transmit wireless charging progress information among the wireless charging guide information to the external electronic device.

According to another embodiment, when the external electronic device is located within the reference range of the charging coil of the electronic device 101 , the processor 460 or 120 omits operation 770 because the wireless charging efficiency corresponds to the reference value, and proceeds to operation 780 to power wireless power. The transmission mode can be maintained.

In operation 750, when the alignment position of the external electronic device is out of a set reference range, the processors 460 and 120 may determine whether an out-band communication connection is required.

According to an embodiment, the out-band communication may connect the external electronic device and the out-band communication in a process of setting the wireless charging power transmission mode on or power transmission mode start. When out-band communication is connected, operation 750 may be omitted.

According to an embodiment, the processors 460 and 120 may exchange information through in-band communication through the first communication circuit 410 in the wireless power transmission mode. When in-band communication is impossible or an inappropriate communication environment occurs, the processors 460 and 120 may determine that an out-band communication connection through the second communication circuit 420 is required. The processors 460 and 120 may proceed to operation 760 when an out-band communication connection is required, and may proceed to operation 770 if information can be transmitted through in-band communication.

In operation 760 , the processors 460 and 120 may connect an external electronic device and an out-band communication channel through the second communication circuit 420 . For example, the processors 460 and 120 may connect an out-band communication channel with an external electronic device through the second communication circuit 420 based on the antenna pattern.

In operation 770 , the processors 460 and 120 may transmit wireless charging guide information to an external device. For example, the processors 460 and 120 may transmit wireless charging guide information through in-band communication using an external electronic device and a charging coil. As another example, the processors 460 and 120 may transmit wireless charging guide information through out-band communication using an external electronic device and an antenna pattern. The wireless charging guide information includes location information of a charging coil disposed in the electronic device 101 , a charging region, coil region information in which the charging coil is located, charging region information of the wireless power transmission device, and an external electronic device placed on the electronic device 101 . alignment position information of the external electronic device, coil direction information indicating the position or direction in which the charging coil of the electronic device 101 is positioned or positioned based on the alignment position of the external electronic device, or weight information based on the alignment position of the external electronic device, and/or wireless It may include charging progress information.

In operation 780, the processors 460 and 120 may maintain a wireless power transmission mode. According to an embodiment, the electronic device 101 may perform operation 720 based on a specified cycle or occurrence of a specified event (eg, the charging state of the external electronic device and/or the electronic device 101) while performing operation 780. have.

8A to 8E are examples of user scenarios for wirelessly charging an external electronic device using a wireless charging function of the electronic device. In the example shown in FIGS. 8A to 8E , the external electronic device 802 receiving wireless power is illustrated as a smart phone, but the external electronic device 802 has a relatively higher power than other electronic devices (eg, 7.5V/ It may be a device that can wirelessly receive 7.5W) to charge the battery.

8A to 8E , the electronic device 801 (eg, the electronic device 101 of FIG. 1 or FIG. 4 ) and the external electronic device 802 according to an embodiment are located close to each other for wireless charging. For example, it is possible to maintain a state in which the rear surface on which the charging coil of the external electronic device 802 is located is placed on the rear surface on which the charging coil of the electronic device 801 is located so as to face each other. The electronic device 801 may be a device that wirelessly supplies power, and the external electronic device 802 may be a device that receives wireless power and charges a battery.

When the wireless power transmission mode (Tx mode) is activated, the electronic device 801 may wirelessly supply power to the external electronic device 802 based on a charging coil (eg, a transmission coil) and a charging circuit. The external electronic device 802 may receive power wirelessly through a charging coil (eg, a receiving coil) to charge the battery.

The electronic device 801 and the external electronic device 802 may have different charging efficiencies according to their alignment positions. For example, if the positions of the central portion of the transmitting coil of the electronic device 801 and the central portion of the receiving coil of the external electronic device 802 are out of the reference range (eg, the alignment position is misaligned), charging efficiency may be reduced. have.

According to an embodiment, when the external electronic device 802 is placed in the lower region of the electronic device 801 , the electronic device 801 checks the alignment position of the external electronic device 802 and the alignment position is misaligned. can confirm. The electronic device 801 may transmit wireless charging guide information to the external electronic device 802 based on in-band communication or out-band communication.

The external electronic device 802 may display the alignment location information 810 on one area of the display as shown in 8a to 8d based on the wireless charging guide information transmitted from the electronic device 801 . The arrangement location information 810 may be different and may be changed according to the type of information included in the setting of the electronic device or the wireless charging guide information. For example, when only a coil image is included in the wireless charging guide information, the external electronic device 802 may display only the coil image. When the wireless charging guide information includes the coil image or indicator information indicating the location, the external electronic device 802 may display the coil image including the indicator indicating the location.

According to an embodiment, the external electronic device 802 may display the coil region (or charging region) 820 indicating the arrangement position of the transmitting coil in the rear direction of the electronic device 801 as shown in 8a. have. Additionally or additionally, the external electronic device 802 may include a location indicator 830 indicating where the external electronic device 802 is located in the rear direction of the electronic device based on the wireless charging guide information, and the transmitting coil is located. At least one of the coil direction indicators 840 for guiding the direction may be displayed.

According to another embodiment, as shown in 8b , the external electronic device 802 displays a coil region 820 and a position indicator 830 indicating the arrangement position of the transmitting coil in the rear direction of the electronic device 801 . and a charging coil (eg, a receiving coil) region 850 disposed in the external electronic device 802 may be displayed. The user may move the external electronic device so that the center of the transmitting coil and the center of the receiving coil coincide with the position of the receiving coil as well as the position of the transmitting coil (or charging region) through the alignment position information 810 .

According to another embodiment, as shown in 8c, the external electronic device 802 displays an area 860 in which a charging coil (eg, a receiving coil) of the external electronic device 802 is located and based on the wireless charging guide information. to output the guide area 865 indicating the area 866 in which the transmitting coil of the electronic device 801 is disposed on the display or, as shown in 8d, the charging coil of the external electronic device 802 (eg, the receiving coil) ) is located, and a guide indicator 875 to move to the area 866 in which the transmission coil is disposed based on the wireless charging guide information may be output to the display. In the electronic device 801 , the region 866 in which the charging coil (eg, the transmitting coil) is disposed is only shown for convenience of description and is an area not output to the display, and the external electronic device 802 includes the charging coil ( For example, the guide area 865 or the direction indicator 875 may be displayed based on the information on the area 866 in which the transmitting coil) is disposed.

According to an embodiment, the external electronic device 802 may output an image, text, vibration, or voice for a direction in which the external electronic device 802 should move based on the received wireless charging guide information.

The user may move the external electronic device 802 to the center of the charging coil of the electronic device 801 based on the wireless charging state information 810 displayed on the display of the external electronic device 802 . As shown in FIG. 8E , when the charging coil of the electronic device 801 and the center of the charging coil of the external electronic device 802 are aligned to match, wireless charging efficiency may be maximized. When the charging coil of the electronic device 801 and the charging coil of the external electronic device 802 are aligned with each other, the external electronic device 802 may display an object 840 indicating that the battery is being charged on the display. Alternatively, the external electronic device 802 may display a battery charge level object (not shown) on one area of the display. According to an embodiment, the external electronic device 802 may display the battery level of the external electronic device 802 and/or the electronic device 801 .

9A and 9B are examples of a user scenario of wirelessly charging a wearable device using a wireless charging function of an electronic device. In the example shown in FIGS. 9A and 9B , the external electronic device 902 is a wearable device (eg, a smart watch, a wireless earphone, or a wireless headset), but the external electronic device 902 receiving wireless power is different. It may be various electronic devices capable of wireless charging by receiving relatively lower power (eg, 5V/3.75W) than the electronic device.

Referring to FIGS. 9A and 9B , the electronic device 901 (eg, the electronic device 101 of FIG. 1 or FIG. 4 ) and the external electronic device 92 according to an embodiment perform wireless charging of the electronic device 901 . ) on the rear surface on which the charging coil is located, the state in which the rear surface on which the charging coil of the external electronic device 902 is located is placed to face may be maintained. The electronic device 901 may be a device that wirelessly supplies power, and the external electronic device 902 may be a device that receives wireless power and charges a battery of the external electronic device 902 .

According to an embodiment, as shown in FIG. 9A , when the external electronic device 902 is placed in the lower region of the electronic device 901 , the electronic device 901 may be configured to use a force sensor unit (eg, the force of FIG. 4 ). The alignment position of the external electronic device 902 is checked based on the sensor unit 440) or the force sensors (eg, the force sensors 531, 532, 533 of FIG. 5), and You can see that the alignment is wrong. The electronic device 901 may transmit wireless charging guide information to the external electronic device 902 based on in-band communication or out-band communication. The external electronic device 902 may display the alignment location information 910 on one area of the display based on the wireless charging guide information received from the electronic device 901 . The alignment position information illustrated in FIG. 9A indicates a coil region (or charging region) 920 indicating an arrangement position of the transmitting coil in the rear direction of the electronic device 901 , but is not limited thereto. As described in FIGS. 8A to 8 , the external electronic device 902 is a position indicator indicating where the external electronic device 902 is located in the rear direction of the electronic device 901, and guides the direction in which the transmitting coil is located. At least one of a coil direction indicator, a guide region indicating an area in which the transmitting coil is disposed, and a guide indicator indicating movement to an area in which the transmitting coil is disposed may be added and displayed.

The user may move the external electronic device in a direction in which the charging coil of the electronic device is disposed based on the alignment position guide information 910 displayed on the display of the external electronic device 902 . As shown in FIG. 9B , when the charging coil of the electronic device 901 and the charging coil of the external electronic device 902 are aligned, an object 940 indicating that the battery is being charged on the display of the external electronic device 902 . and a battery charge level object 941 may be displayed.

A method of providing alignment guide information for wireless charging of an electronic device 101 according to various embodiments includes an operation of activating a wireless power transmission mode for providing wireless power through a charging coil to an external electronic device and adjacent to the charging coil Based on an operation of acquiring sensing information from a plurality of arranged force sensors, an operation of confirming an alignment position between the charging coil and the external electronic device based on the acquired sensing information, and an alignment position of the external electronic device Thus, the operation of transmitting the wireless charging guide information to the external electronic device may be included.

The operation of transmitting the wireless charging guide information to the external electronic device according to various embodiments may include transmitting the wireless charging guide information based on a first communication circuit using the charging coil.

The operation of transmitting the wireless charging guide information to the external electronic device according to various embodiments may include transmitting the wireless charging guide information based on a second communication circuit using an antenna pattern supporting wireless communication.

The operation of transmitting the wireless charging guide information to an external electronic device according to various embodiments includes an antenna pattern supporting wireless communication when in-band communication based on the first communication circuit using the charging coil is impossible The method may further include setting an out-band communication channel connection based on a second communication circuit, and transmit the alignment location guide information to the external electronic device through the out-band communication channel.

The wireless charging guide information according to various embodiments may include position information on which the charging coil is disposed, a charging area of the electronic device, alignment position information indicating a position of the external electronic device placed on the electronic device, and the alignment position based on the wireless charging guide information. may include at least one of coil direction information indicating a direction in which the charging coil of the electronic device is disposed, or wireless charging progress information of the electronic device and/or external electronic device.

The plurality of force sensors according to various embodiments are spaced apart from each other by a predetermined distance and disposed in the direction of the rear plate of the electronic device, and the operation of confirming the alignment position with the external electronic device includes: The alignment position of the external electronic device may be checked based on the amount of change in the sensor value measured by each of the force sensors.

The operation of transmitting the wireless charging guide information to the external electronic device according to various embodiments of the present disclosure further includes determining whether an alignment position of the external electronic device satisfies a set reference range, and the alignment position of the external electronic device When ? satisfies the set reference range, the wireless power may be transmitted to the external electronic device.

The operation of determining whether the alignment position of the external electronic device satisfies a set reference range according to various embodiments of the present disclosure may include overlapping positions of the external electronic device in a predetermined range based on a region in which the charging coil of the electronic device is disposed or a predetermined operation. If it is located by weight, it may be determined that the reference range is satisfied.

The various embodiments of this document and the terms used therein are not intended to limit the technical features described in this document to specific embodiments, and include various modifications, equivalents, or alternatives of the embodiment. should be understood as In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise.

According to various embodiments of the present disclosure, one or more stored in a storage medium (eg, the internal memory 136 or the external memory 138 ) readable by a machine (eg, the electronic device 101 ) It may be implemented as software (eg, the program 140) including instructions. For example, the processor (eg, the processor 120 ) of the device (eg, the electronic device 101 ) may call at least one of one or more instructions stored from a storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the at least one command called. The one or more instructions may include code generated by a compiler or code that may be executed by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not include a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

According to an embodiment, the method according to various embodiments disclosed in this document may be included and provided in a computer program product. Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a machine-readable storage medium (eg CD-ROM, compact disc read only memory), or via an application store (eg Play Store ^TM ) or on two user devices (eg CD-ROM). : can be distributed (eg, downloaded or uploaded) online, directly between smartphones). In the case of online distribution, at least a part of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.

101: electronic device
120, 460: Processor
410: first communication circuit
411: charging coil
420: second communication circuit
430: charging circuit
440: force sensor unit
450: display

Claims (20)

In an electronic device,
a charging coil for wirelessly transmitting and receiving power;
a power transmission/reception circuit electrically connected to the charging coil; and
a wireless charging circuit including a first communication circuit electrically connected to the charging coil and the power transmission/reception circuit;
force sensor unit; and
and a processor electrically connected to the wireless charging circuit and the force sensor unit,
The processor is
controlling the wireless charging circuit so that the electronic device provides wireless power to an external electronic device through the charging coil;
acquiring sensing information from the force sensor unit, and confirming an alignment position with the external electronic device placed on the electronic device based on the sensing information;
An electronic device configured to transmit wireless charging guide information to the external electronic device through the first communication circuit to guide the alignment position in the external electronic device based on the alignment position of the external electronic device. According to claim 1,
Further comprising a second communication circuit comprising an antenna pattern supporting at least one wireless communication,
The processor is
An electronic device configured to transmit the wireless charging guide information to the external electronic device through the second communication circuit instead of the first communication circuit. According to claim 1,
The first communication circuit and the power transmission/reception circuit are integrally formed and electrically connected to the charging coil. 3. The method of claim 2,
The processor is
When in-band communication is impossible with the external electronic device through the first communication circuit, an out-band communication channel connection is established with the external electronic device through the second communication circuit, and the wireless communication channel is used through the out-band communication channel. An electronic device configured to transmit charging guide information to the external electronic device. According to claim 1,
The wireless charging guide information is,
Position information in which the charging coil is disposed, a charging region, alignment position information indicating a position of the external electronic device placed on the electronic device, coil direction information indicating a direction in which the charging coil is disposed based on the alignment position, or the An electronic device including at least one of wireless charging progress information of the electronic device and/or the external electronic device. 3. The method of claim 2,
Further comprising a display disposed on the front of the housing,
Further comprising a housing for mounting the display, the wireless charging circuit, the second communication circuit, the force sensor unit, and the processor,
The force sensor unit,
The electronic device of claim 1, wherein the display is mounted in a rear direction of the housing where the display is not disposed. 7. The method of claim 6,
The force sensor unit
It contains a number of force sensors,
The plurality of force sensors are disposed adjacent to the charging coil and spaced apart from each other by a predetermined distance,
The processor is
An electronic device configured to check the alignment position of the external electronic device based on the position values of the plurality of force sensors and the amount of change in the sensor values measured by the plurality of force sensors. 7. The method of claim 6,
and the charging coil is disposed between the display and a rear plate of the housing. According to claim 1,
The processor is
It is determined whether the alignment position of the external electronic device satisfies a set reference range, and when the external electronic device is located at an overlapping position or a predetermined weight in a predetermined range based on an area in which the charging coil of the electronic device is disposed, wireless power an electronic device configured to transmit to the external electronic device. An electronic device comprising: a charging coil for wirelessly transmitting and receiving power;
a power transmission/reception circuit electrically connected to the charging coil; and
a wireless charging circuit including a first communication circuit electrically connected to the charging coil and the power transmission/reception circuit;
display;
a second communication circuit; and
A processor connected to the wireless charging circuit, the display, and the second communication circuit,
The processor controls the wireless charging circuit to receive wireless power from an external electronic device through the charging coil,
Receive wireless charging guide information from the external electronic device through the first communication circuit or the second communication circuit,
An electronic device configured to display, on the display, alignment position information for guiding an alignment position between a wireless power transmission coil of the external electronic device and the charging coil based on the received wireless charging guide information. 11. The method of claim 10,
The wireless charging guide information is,
Position information in which the charging coil is disposed, a charging region, alignment position information indicating a position of the external electronic device placed on the electronic device, coil direction information indicating a direction in which the charging coil is disposed based on the alignment position, or the An electronic device including at least one of wireless charging progress information of the electronic device and/or the external electronic device. 11. The method of claim 10,
The alignment location guide information,
An image in which the charging coil of the external electronic device is disposed, a position indicator indicating where the electronic device is placed on the external electronic device, a direction indicator for guiding a direction in which the charging coil is positioned in the external electronic device, or the electronic device An electronic device comprising at least one of a charging region of the device. A method for providing alignment guide information for wireless charging of an electronic device, the method comprising:
activating a wireless power transmission mode that provides wireless power through a charging coil to an external electronic device;
acquiring sensing information from a plurality of force sensors disposed adjacent to the charging coil;
checking an alignment position between the charging coil and the external electronic device based on the acquired sensing information; and
and transmitting wireless charging guide information to the external electronic device based on the alignment position of the external electronic device. 14. The method of claim 13,
The operation of transmitting the wireless charging guide information to the external electronic device includes:
Method characterized in that for transmitting the wireless charging guide information based on the first communication circuit using the charging coil. 14. The method of claim 13,
The operation of transmitting the wireless charging guide information to the external electronic device includes:
Method characterized in that for transmitting the wireless charging guide information based on a second communication circuit using an antenna pattern that supports wireless communication. 14. The method of claim 13,
The operation of transmitting the wireless charging guide information to an external electronic device includes:
When in-band communication based on the first communication circuit using the charging coil is impossible, further comprising the operation of establishing an out-band communication channel connection based on a second communication circuit including an antenna pattern supporting wireless communication, ,
The method of claim 1, wherein the alignment location guide information is transmitted to the external electronic device through the out-band communication channel. 14. The method of claim 13,
The wireless charging guide information is,
position information in which the charging coil is disposed, a charging region of the electronic device, alignment position information indicating a position of the external electronic device placed on the electronic device, and a direction in which the charging coil of the electronic device is arranged based on the alignment position A method including at least one of indicating coil direction information and wireless charging progress information of an electronic device and/or an external electronic device. 14. The method of claim 13,
The plurality of force sensors are spaced apart from each other by a predetermined distance and disposed in the direction of the rear plate of the electronic device,
The operation of confirming the alignment position with the external electronic device includes:
The method of claim 1, wherein the alignment position of the external electronic device is confirmed based on the position value of each force sensor and the amount of change in the sensor value measured by each force sensor. 14. The method of claim 13,
The operation of transmitting the wireless charging guide information to the external electronic device includes:
Further comprising the operation of determining whether the alignment position of the external electronic device satisfies a set reference range,
When the alignment position of the external electronic device satisfies a set reference range, the wireless power is transmitted to the external electronic device. 20. The method of claim 19,
The operation of determining whether the alignment position of the external electronic device satisfies a set reference range includes:
and determining that the reference range is satisfied when the external electronic device is positioned at an overlapping position within a predetermined range or with a predetermined weight based on a region in which the charging coil of the electronic device is disposed.

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