WIRELESS POWER TRANSMITTER AND RECEIVER

1 . A wireless power transmitter for wirelessly transmitting power to a wireless power receiver comprises:

a control circuit configured to control the wireless power transmitter;

at least one transmission coil configured to transmit the power to the wireless power receiver; and

a shielding member disposed between the transmission coil and the control circuit,

wherein the shielding member is one sheet combined with a heat release sheet and a shielding sheet.

2 . The wireless power transmitter of claim 1 , wherein the heat release sheet is a silicone polymer including ceramic powder.

3 . The wireless power transmitter of claim 1 ,

wherein the heat release sheet includes a protective sheet and a metal sheet, and

wherein the metal sheet is disposed on top of the shielding sheet, and the protective sheet is disposed on top of the metal sheet.

4 . The wireless power transmitter of claim 1 , wherein the shielding sheet is a rubber including magnetic metal powder.

5 . The wireless power transmitter of claim 1 , wherein the shielding member is bonded to the control circuit and the transmission coil via an adhesive.

6 . A wireless power receiver for wirelessly receiving power from a wireless power transmitter comprises:

a control circuit configured to control the wireless power receiver;

at least one receiving coil configured receive the power from the wireless power transmitter; and

a shielding member disposed between the receiving coil and the control circuit,

wherein the shielding member is a sheet combined with a heat release sheet and a shielding sheet.

7 . The wireless power receiver of claim 6 , wherein the heat release sheet is a silicone polymer including ceramic powder.

8 . The wireless power receiver of claim 6 ,

wherein the heat release sheet includes a protective sheet and a metal sheet, and

wherein the metal sheet is disposed on top of the shielding sheet, and the protective sheet is disposed on top of the metal sheet.

9 . The wireless power receiver of claim 6 , wherein the shielding sheet is a rubber including magnetic metal powder.

10 . The wireless power receiver of claim 7 , wherein the shielding member is bonded to the control circuit and the receiving coil via an adhesive.

11 . A wireless power transmitter for wirelessly transmitting power to a wireless power receiver, comprising:

a control circuit configured to control the wireless power transmitter;

at least one transmission coil configured to transmit the power to the wireless power receiver; and

a shielding member disposed between the transmission coil and the control circuit,

wherein the shielding member includes a shielding sheet, and

wherein the shielding sheet includes a plurality of protruding patterns.

12 . The wireless power transmitter of claim 11 , wherein the plurality of protruding patterns are disposed in a longwise direction.

13 . The wireless power transmitter of claim 11 , wherein the plurality of protruding patterns are disposed on one of an upper surface and a lower surface of the shielding sheet.

14 . The wireless power transmitter of claim 11 , wherein the plurality of protruding patterns are spaced apart from each other.

15 . The wireless power transmitter of claim 11 , wherein the plurality of protruding patterns are disposed in contact with each other.

16 . The wireless power transmitter of claim 11 , wherein the plurality of protruding patterns have a round surface from a highest peak point toward the shielding sheet.

17 . The wireless power transmitter of claim 16 , wherein one of the control circuit and the transmission coil contacts the highest peak point of the protruding pattern.

18 . The wireless power transmitter of claim 11 , further comprising:

a space surrounded by the control circuit and the protruding pattern.

19 . The wireless power transmitter of claim 11 , wherein the height of the plurality of protruding patterns is less than ½ of the height of the shielding sheet.

20 . The wireless power transmitter of claim 11 , wherein the area of the plurality of protruding patterns is 50% to 100% of the area of the shielding sheet.