Antenna assembly and method for manufacturing same

• US 10,256,540 B2
• Filed: 11/28/2016
• Issued: 04/09/2019
• Est. Priority Date: 03/23/2012
• Status: Active Grant

• Current Assignee: Nera Innovations Limited (Atlantic IP Services Limited)
• Original Assignee: LG Innotek Company Limited (LG Corporation)
• Inventors: An, Jeong Wook, Lee, Jung Oh, Kim, Yang Hyun, Lee, Ki Min, Lee, Hye Min, Leem, Sung Hyun, Chang, Ki Chul
• Primary Examiner(s): Levi, Dameon E
• Assistant Examiner(s): Alkassim, Jr., Ab Salam
• Application Number:
  US15/362,367
• Publication Number:
  US 20170133744A1
• Time in Patent Office: 862 Days
• Field of Search: 343788
• CPC Class Codes: H01P 11/00 Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
• CPC Class Codes: H01Q 1/2225 used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
• CPC Class Codes: H01Q 1/2291 used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN] H01Q1/241 takes precedence; WLAN in general H04W
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H02J 50/005 Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields
• CPC Class Codes: H04B 5/26 using coils
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

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.

Claims

1. An antenna assembly comprising:

a first antenna for wireless charging;

a second antenna for wireless communication;

a magnetic sheet;

a plurality of contact terminals;

a first plurality of lines connecting the first antenna and the plurality of contact terminals; and

a second plurality of lines connecting the second antenna and the plurality of contact terminals,

wherein the first antenna comprises;

a first coil pattern wound multiple times;

a first terminal positioned at an outside of the first coil pattern; and

a second terminal positioned at an inside of the first coil pattern;

wherein the second antenna comprises;

a second coil pattern wound multiple times;

a third terminal positioned at an inside of the second coil pattern; and

a fourth terminal positioned at an outside of the second coil pattern;

wherein the first terminal is disposed at the inside of the second coil pattern;

wherein the third terminal is disposed at the outside of the first coil pattern;

wherein the third terminal is closer to the first terminal than it is to the second terminal;

wherein the third terminal is closer to the first terminal than it is to the fourth terminal;

wherein the plurality of contact terminals comprises;

a first contact terminal and a second contact terminal connected to the first antenna; and

a third contact terminal and a fourth contact terminal connected to the second antenna,

wherein the first plurality of lines is positioned between the third terminal and the fourth terminal;

wherein the first plurality of lines comprises;

a first line connecting the first terminal and the first contact terminal; and

a second line connecting the second terminal and the second contact terminal,

wherein the second plurality of lines comprises;

a third line connecting the third terminal and the third contact terminal; and

a fourth line connecting the fourth terminal and the fourth contact terminal, and

wherein the antenna assembly comprises a part in which a distance between the magnetic sheet and the second antenna is 35 to 65 μ

m.

2. The antenna assembly of claim 1, wherein the first line is positioned between the third line and the fourth line in the part of the antenna assembly.

3. The antenna assembly of claim 1, wherein the second line is positioned between the third line and the fourth line in the part of the antenna assembly.

4. The antenna assembly of claim 1, wherein the first line comprises a first sub-connection part, a first connector, and a first connection conductive line,

wherein the first sub-connection part connects the first terminal and the first connector, and

wherein the first connection conductive line connects the first connector and the first contact terminal.

5. The antenna assembly of claim 4, wherein the second line comprises a second sub-connection part, a second connector, and a second connection conductive line,

wherein the second sub-connection part connects the second terminal and the second connector, and

wherein the second connection conductive line connects the second connector and the second contact terminal.

6. The antenna assembly of claim 1,

wherein the third line comprises a third sub-connection part, a third connector, and a third connection conductive line,

wherein the third sub-connection part connects the third terminal and the third connector, and

wherein the third connection conductive line connects the third connector and the third contact terminal.

7. The antenna assembly of claim 6, wherein the fourth line comprises a fourth sub-connection part, a fourth connector, and a fourth connection conductive line,

wherein the fourth sub-connection part connects the fourth terminal and the fourth connector, and

wherein the fourth connection conductive line connects the fourth connector and the fourth contact terminal.

8. The antenna assembly of claim 1,

wherein the antenna assembly comprises the part that the distance between the magnetic sheet and the second antenna is 40 to 60 μ

m.

9. The antenna assembly of claim 8, wherein a spacing of the second antenna is less than 500 μ

m, and

wherein the spacing of the second antenna is ½

to 2 times than a line width of the second antenna.

10. The antenna assembly of claim 8, further comprising an adhesive layer between the magnetic sheet and the second antenna.

11. An antenna assembly comprising:

a first antenna for wireless charging;

a second antenna for wireless communication;

a magnetic sheet;

a plurality of contact terminals;

a first plurality of lines connecting the first antenna and the plurality of contact terminals; and

a second plurality of lines connecting the second antenna and the plurality of contact terminals,

wherein the first antenna comprises;

a first coil pattern wound multiple times;

a first terminal positioned at an outside of the first coil pattern; and

a second terminal positioned at an inside of the first coil pattern;

wherein the second antenna comprises;

a second coil pattern wound multiple times;

a third terminal positioned at an inside of the second coil pattern; and

a fourth terminal positioned at an outside of the second coil pattern;

wherein the first terminal is disposed at the inside of the second coil pattern;

wherein the third terminal is disposed at the outside of the first coil pattern;

wherein the third terminal is closer to the first terminal than it is to the second terminal;

wherein the third terminal is closer to the first terminal than it is to the fourth terminal;

wherein the plurality of contact terminals comprises;

a first contact terminal and a second contact terminal connected to the first antenna; and

a third contact terminal and a fourth contact terminal connected to the second antenna,

wherein the first plurality of lines and the second plurality of lines are alternately arranged on the antenna assembly in such a manner that one line of the second plurality of lines is arranged between two adjacent lines of the first plurality of lines and one line of the first plurality of lines is arranged between two adjacent lines of the second plurality of lines,

wherein the first plurality of lines comprises;

a first line connecting the first terminal and the first contact terminal; and

a second line connecting the second terminal and the second contact terminal,

wherein the second plurality of lines comprises;

a third line connecting the third terminal and the third contact terminal; and

a fourth line connecting the fourth terminal and the fourth contact terminal, and

wherein the antenna assembly comprises a part in which a distance between the magnetic sheet and the second antenna is 35 to 65 μ

m.

12. An antenna assembly of claim 11, wherein the first line is positioned between the third line and the fourth line in the part of the antenna assembly.

13. An antenna assembly of claim 11, wherein the second line is positioned between the third line and the fourth line in the part of the antenna assembly.

14. The antenna assembly of claim 11, wherein the first line comprises a first sub-connection part, a first connector, and a first connection conductive line,

wherein the first sub-connection part connects the first terminal and the first connector, and

wherein the first connection conductive line connects the first connector and the first contact terminal.

15. The antenna assembly of claim 14, wherein the second line comprises a second sub-connection part, a second connector, and a second connection conductive line,

wherein the second sub-connection part connects the second terminal and the second connector, and

wherein the second connection conductive line connects the second connector and the second contact terminal.

16. The antenna assembly of claim 11, wherein the third line comprises a third sub-connection part, a third connector, and a third connection conductive line,

wherein the third sub-connection part connects the third terminal and the third connector, and

wherein the third connection conductive line connects the third connector and the third contact terminal.

17. The antenna assembly of claim 16,

wherein the fourth line comprises a fourth sub-connection part, a fourth connector, and a fourth connection conductive line,

wherein the fourth sub-connection part connects the fourth terminal and the fourth connector, and

wherein the fourth connection conductive line connects the fourth connector and the fourth contact terminal.

18. The antenna assembly of claim 11, wherein the antenna assembly comprises the part that the distance between the magnetic sheet and the second antenna is 40 to 60 μ

m.

19. The antenna assembly of claim 18, wherein a spacing of the second antenna is less than 500 μ

m, and

wherein the spacing of the second antenna is ½

to 2 times than a line width of the second antenna.

20. The antenna assembly of claim 18, further comprising an adhesive layer between the magnetic sheet and the second antenna.