Antenna assembly and method for manufacturing same
Disclosed is an antenna assembly including a substrate, and a wireless charge antenna pattern on the substrate. The wireless charge antenna pattern has a sectional surface including a plurality of inner angles in which two inner angles are different from each other. The antenna assembly includes a wireless communication antenna pattern formed on the substrate and provided at an outside of the wireless charge antenna pattern. The wireless communication antenna pattern has a plurality of inner angles at a sectional surface thereof, and a plurality of angle values of the inner angles provided at the sectional surface of the wireless communication antenna pattern correspond to a plurality of angle values of the inner angles provided at the sectional surface of the wireless charge antenna pattern, respectively.
1. A wireless power receiver comprising:
a flexible printed circuit board comprising a first surface and a second surface opposite the first surface;
a first antenna disposed on the first surface of the flexible printed circuit board for wireless charging;
a second antenna disposed on the first surface of the flexible printed circuit board for wireless communication such that it surrounds the first antenna;
a plurality of contact terminals configured to electrically connect the first antenna to a battery for charging the battery and the second antenna to a wireless communication module; and
a magnetic sheet on the first antenna and the second antenna;
wherein the first antenna comprises a first coil pattern wound multiple times, a first terminal placed at an outside of the first coil pattern, and a second terminal placed at an inside of the first coil pattern;
wherein the second antenna comprises a second coil pattern wound multiple times, a third terminal placed at an inside of the second coil pattern, and a fourth terminal placed at an outside of the second coil pattern;
wherein the first terminal is electrically connected to a first connector by a first sub-connection part that crosses, and is physically insulated from, the second coil pattern, and the first sub-connection part is disposed on the second surface of the flexible printed circuit board;
wherein the second terminal is electrically connected to a second connector by a second sub-connection part that crosses, and is physically insulated from, both the first coil pattern and the second coil pattern, and the second sub-connection part is disposed on the second surface of the flexible printed circuit board;
wherein the plurality of contact terminals comprises a first contact terminal and a second contact terminal that connect the first antenna and the battery for charging the battery;
wherein the first connector is electrically connected to the first contact terminal by a first connection conductive line, and the first connection conductive line is disposed on the first surface of the flexible printed circuit board;
wherein the second connector is electrically connected to the second contact terminal by a second connection conductive line, and the second connection conductive line is disposed on the first surface of the flexible printed circuit board;
wherein the first antenna and the second antenna are disposed between the magnetic sheet and the flexible printed circuit board;
wherein the plurality of contact terminals comprises a third contact terminal and a fourth contact terminal that connect the second antenna and the wireless communication module;
wherein the first, second, third, and fourth contact terminals are disposed as a 2×2 matrix;
wherein the first contact terminal and the second contact terminal are disposed on a first line in the 2×2 matrix and the third contact terminal and the fourth contact terminal are disposed on a second line in the 2×2 matrix;
wherein the third terminal is electrically connected to the third contact terminal by a third sub-connection part physically insulated from the second coil pattern;
wherein the fourth terminal is electrically connected to the fourth contact terminal by a fourth sub-connection part physically insulated from the second coil pattern; and
wherein a first line connecting the first terminal and the first contact terminal through the first sub-connection part, the first connector and the first connection conductive line, and a second line connecting the second terminal and the second contact terminal through the second sub-connection part, the second connector and the second connection conductive line are disposed between the third terminal and the fourth terminal.
2. The wireless power receiver of claim 1 , wherein the first sub-connection part is disposed under the second coil pattern.
3. The wireless power receiver of claim 1 , wherein the second sub-connection part is disposed under the first coil pattern and the second coil pattern.
4. The wireless power receiver of claim 1 , wherein the third sub-connection part is disposed under the second coil pattern.
5. The wireless power receiver of claim 1 , wherein the first terminal is electrically connected to the first sub-connection part through a first via hole.
6. The wireless power receiver of claim 1 , wherein the first connector is electrically connected to the first sub-connection part through a second via hole.
7. The wireless power receiver of claim 1 , wherein the second terminal is electrically connected to the second sub-connection part through a third via hole.
8. The wireless power receiver of claim 1 , wherein the second connector is electrically connected to the second sub-connection part through a fourth via hole.
9. The wireless power receiver of claim 1 , wherein the third terminal is electrically connected to the third sub-connection part through a fifth via hole.
10. The wireless power receiver of claim 1 , wherein the fourth terminal is electrically connected to the fourth sub-connection part through a sixth via hole.
11. The wireless power receiver of claim 1 , wherein the first contact terminal is disposed closer to the first connector than is the third contact terminal.
12. The wireless power receiver of claim 1 , wherein the second contact terminal is disposed closer to the second connector than is the fourth contact terminal.
13. The wireless power receiver of claim 1 , wherein a width of the first coil pattern is wider than a width of the second coil pattern.
14. The wireless power receiver of claim 1 , wherein a spacing of the first coil pattern is greater than a spacing of the second coil pattern.
15. The wireless power receiver of claim 1 , wherein the second antenna is a Near Field Communication (NFC) antenna.