Granted Patent B2

US 12,633,774 · App. 17/900,277 · Granted May 19, 2026

Inventors: Sungyong Joo (Suwon-si, KR); Jeongil Kang (Suwon-si, KR); Sungbum Jung (Suwon-si, KR)

Assignee: Samsung Electronics Co., Ltd.

H02J50/10A47B21/06H01F38/14H02J7/0044H02J50/40H02J50/80H02J50/90A47B2021/066

Abstract

Claims (63)

1 . A wireless power transmission apparatus comprising:

a first lower plate having a first polarity;

a second upper plate spaced apart from the first plate and having a second polarity different from the first polarity, the first and second plates being conductive plates configured to form an electric field region therebetween;

at least one wireless power transmission module disposed in the electric field region between the first plate and the second plate, the at least one wireless power transmission module comprising circuitry electrically connected to the first plate and the second plate and configured to wirelessly transmit power through a transmission coil, wherein the second plate comprises a plurality of holes therein configured to allow magnetic flux produced by the transmission coil to pass through the second plate to a wireless power receipt apparatus on an opposite side of the second plate; and

a processor configured to control the wireless power transmission module,

wherein the processor is configured to, based on the wireless power receipt apparatus being identified in one area on the opposite side of the second plate, generate a driving signal to move the wireless power transmission module along a space between the first plate and the second plate to a location corresponding to the one area.

2 . The apparatus of claim 1 ,

wherein the wireless power transmission module includes a driver configured to receive power from the first plate and the second plate, and

wherein the processor is configured to transmit a driving signal for moving the wireless power transmission module to the location to the wireless power transmission module.

3 . The apparatus of claim 1 ,

wherein the wireless power transmission module includes a transmission coil disposed within the electric field region between the first plate and the second plate, and is configured to transmit power supplied from the first plate and the second plate to a receiving coil included in the wireless power receipt apparatus through the transmission coil.

4 . The apparatus of claim 1 , further comprising:

a touch sensor disposed on the opposite side of the second plate,

wherein the processor is configured to identify the one area on the opposite side of the second plate on which the wireless power receipt apparatus is located based on sensed data received from the touch sensor.

5 . The apparatus of claim 1 ,

wherein the at least one wireless power transmission module includes a plurality of wireless power transmission modules, and

wherein the processor is configured to, based on the wireless power receipt apparatus being identified in each of a plurality of areas on the opposite side of the second plate, move the plurality of wireless power transmission modules to the plurality of areas, respectively.

6 . The apparatus of claim 1 ,

wherein the processor is configured to, based on wireless charging with respect to the wireless power receipt apparatus in one area on the opposite side of the second plate being completed, move the wireless power transmission apparatus module to another wireless power receipt apparatus on standby located in another area.

7 . The apparatus of claim 1 ,

wherein the processor is configured to move the wireless power transmission apparatus to a specified area between the first plate and the second plate in the absence of another power receipt apparatus.

8 . The apparatus of claim 1 ,

wherein the plurality of holes in the second plate are arranged in a grid pattern,

wherein the wireless power transmission module is configured to be connected to one side of the first plate and one side of the second plate through a connection member,

wherein the connection member includes a fixing part fixed to one of the plurality of holes and a supporting part supporting the fixing part,

wherein the supporting part is configured to, based on the fixing part being fixed to another one of the plurality of holes based on a movement of the wireless power transmission module in a state in which the fixing part is fixed to one of the plurality of holes, maintain the wireless power transmission module at a location corresponding to another one of the plurality of holes.

9 . The apparatus of claim 1 , further comprising:

a communication interface comprising a circuit,

wherein the processor is configured to control the communication interface to communicate with the wireless power receipt apparatus, and

move the wireless power transmission apparatus based on location information of the wireless power receipt apparatus received through the communication interface.

10 . The apparatus of claim 1 , further comprising:

a communication interface comprising a circuit,

wherein the at least one wireless power transmission module includes a plurality of wireless power transmission modules,

wherein the processor is configured to identify the number of wireless power transmission modules required for charging the wireless power receipt apparatus based on power consumption information of the wireless power receipt apparatus received through the communication interface, and move the identified number of wireless power transmission apparatus modules to a location corresponding to the wireless power receipt apparatus.

11 . The apparatus of claim 1 ,

wherein the wireless power transmission apparatus is implemented as at least one of a charging table or a wall-mounted charging cradle having the second plate on a front side and the first plate on a rear side.

12 . A method of controlling a wireless power transmission apparatus comprising a first lower plate having a first polarity, a second upper plate spaced apart from the first plate and having a second polarity different from the first polarity, wherein the second plate comprises a plurality of holes therein, the first and second plates being conductive plates configured to form an electric-field region therebetween, and at least one wireless power transmission module disposed in the electric-field region between the first plate and the second plate and electrically connected to one side of the first plate and one side of the second plate, the method comprising:

identifying a wireless power receipt apparatus in one area on an opposite side of the second plate, the plurality of holes in the second plate configured to allow magnetic flux produced by the transmission module to pass through the second plate to the wireless power receipt apparatus on the opposite side of the second plate; and

moving the wireless power transmission module along a space between the first plate and the second plate to a location corresponding to the one area, based on the identifying step.

13 . The method of claim 12 ,

wherein the wireless power transmission module includes a driver configured to receive power from the first plate and the second plate, and

wherein the moving includes transmitting a driving signal for moving the wireless power transmission module to the location to the wireless power transmission module.

14 . The method of claim 12 ,

wherein the wireless power transmission module includes a transmission coil, and

the method further comprising:

transmitting power supplied from the first plate and the second plate to a receiving coil included in the wireless power receipt apparatus through the transmission coil.

15 . The method of claim 12 ,

wherein the identifying the wireless power transmission receipt apparatus includes identifying the one area on the opposite side of the second plate in which the wireless power receipt apparatus is located based on sensed data received from a touch sensor placed on the opposite side of the second plate.

16 . The method of claim 12 ,

wherein the at least one wireless power transmission module includes a plurality of wireless power transmission modules, and

wherein the moving includes, based on the wireless power receipt apparatus being identified in each of a plurality of areas on the opposite side of the second plate, moving the plurality of wireless power transmission modules to the plurality of areas, respectively.

17 . The method of claim 12 ,

wherein the moving includes, based on wireless charging with respect to the wireless power receipt apparatus in one area on the opposite side of the second plate being completed, moving the wireless power transmission apparatus module to another wireless power receipt apparatus on standby located in another area.

18 . The method of claim 12 ,

wherein the moving includes moving the wireless power transmission apparatus to a specified area between the first plate and the second plate in the absence of another wireless power receipt apparatus.

19 . The method of claim 12 ,

wherein the plurality of holes are arranged in a grid pattern,

wherein the wireless power transmission module is configured to be connected to one side of the first plate and one side of the second plate through a connection member,

wherein the connecting member includes a fixing part fixed to one of the plurality of holes and a supporting part supporting the fixing part,

wherein the supporting part is configured to, based on the fixing part being fixed to another one of the plurality of holes according to a movement of the wireless power transmission module in a state in which the fixing part is fixed to one of the plurality of holes, maintain the wireless power transmission module at a location corresponding to another one of the plurality of holes.

20 . The method of claim 12 , further comprising:

receiving location information of the wireless power receipt apparatus by performing communication with the wireless power receipt apparatus, and

wherein the moving includes moving the wireless power transmission module based on the location information.

Assignments (1)

Priority Claims (1)

Continuity (2)

References Cited (42)