Wireless power receiver and method of manufacturing the same

Patent metadata

Field	Value
Publication number	US-9806565-B2
Application number	US-201213663012-A
Country	US
Kind code	B2
Filing date	Oct 29, 2012
Priority date	Mar 23, 2012
Publication date	Oct 31, 2017
Grant date	Oct 31, 2017

Abstract

A wireless power receiver can include a magnetic substrate and a coil configured to wirelessly receive power. The coil can be formed as a conductive layer on the magnetic substrate. A connecting unit can be disposed in a receiving space of the magnetic substrate and can be connected to the coil unit.

First claim

What is claimed is:

1. A wireless power receiver comprising:
a substrate comprising a receiving space of a predetermined shape formed therein for a connecting unit configured to connect to a wireless power receiving circuit;
a coil unit disposed on the substrate, the coil unit comprising a first connection terminal, a second connection terminal, and a coil; and
a short-range communication antenna disposed on the substrate and surrounding the coil;
wherein the coil is configured to wirelessly receive power, wherein the coil is formed as a conductive pattern on or within the substrate,
wherein the conductive pattern comprises a conductive line wound at least two times and conductive pattern has a spiral shape, wherein the first connection terminal is located at one end of the coil and the second connection terminal is located at the other end of the coil, wherein the coil unit overlaps the receiving space in a first direction perpendicular to an upper surface of the substrate,
wherein the connecting unit is disposed in the receiving space and connected to the coil unit,
wherein the connecting unit overlaps the receiving space in a second direction parallel to the upper surface of the substrate, and
wherein the connecting unit comprises:
a third connection terminal connected to the first connection terminal of the coil unit; and
a fourth connection terminal connected to the second connection terminal of the coil unit.

2. The wireless power receiver of claim 1 , wherein the shape of the receiving space corresponds to a shape of the connecting unit.

3. The wireless power receiver of claim 1 , wherein the short-range communication antenna has a rectangular configuration formed by winding one conductive line several times.

4. The wireless power receiver of claim 1 , wherein the connecting unit is connected to the short-range communication antenna.

5. The wireless power receiver of claim 1 , wherein the conductive pattern is a conductive layer.

6. The wireless power receiver of claim 1 , wherein the substrate comprises a pattern groove for receiving a part of the coil and wherein the part of the coil is disposed in the pattern groove.

7. The wireless power receiver of claim 1 , wherein the coil has a thickness smaller than a thickness of the substrate and wherein an upper portion of the coil is exposed out of the substrate.

8. A wireless portable terminal, comprising the wireless power receiver of claim 1 .

9. The wireless power receiver of claim 1 , wherein the substrate comprises magnetic material.

10. The wireless power receiver of claim 1 , wherein the substrate is flexible.

11. The wireless power receiver of claim 1 , wherein the one end of the coil is at an outside portion of the conductive pattern and the other end of the coil is at an inside portion of the conductive pattern.

12. A wireless power receiver comprising:
a substrate comprising a receiving space of a predetermined shape formed therein for a connecting unit configured to connect to a wireless power receiving circuit; and
a coil unit comprising a first connection terminal, a second connection terminal, and a coil; and
a short-range communication antenna disposed on the substrate and surrounding the coil;
wherein the coil is configured to wirelessly receive power,
wherein the coil is formed as a conductive pattern on or within the substrate,
wherein the conductive pattern comprises a conductive line wound at least two times and the conductive pattern has a spiral shape,
wherein the first connection terminal is located at one end of the coil and the second connection terminal is located at the other end of the coil,
wherein the connecting unit is disposed in the receiving space and connected to the coil unit,
wherein the connecting unit overlaps the receiving space in a direction parallel to the upper surface of the substrate, and
wherein the connecting unit comprises:
a third connection terminal connected to the first connection terminal of the coil unit; and
a fourth connection terminal connected to the second connection terminal of the coil unit; and
wherein the coil unit is disposed on the substrate and the connecting unit.

13. The wireless power receiver of claim 12 , wherein the connecting unit is configured such that it is separable from the receiving space.

14. The wireless power receiver of claim 12 , wherein the predetermined shape of the receiving space corresponds to a shape of the connecting unit.

15. The wireless power receiver of claim 12 , wherein the short-range communication antenna has a rectangular configuration formed by winding one conductive line several times.

16. The wireless power receiver of claim 12 , wherein the connecting unit is connected to the short-range communication antenna.

17. The wireless power receiver of claim 12 , wherein the substrate comprises a pattern groove for receiving a part of the coil, and wherein the part of the coil is disposed in the pattern groove.

18. A wireless portable terminal, comprising the wireless power receiver of claim 12 .

19. The wireless power receiver of claim 12 , wherein the substrate comprises magnetic material.

20. The wireless power receiver of claim 12 , wherein the substrate is flexible.

Assignees

• Lg Innotek Co Ltd

Inventors

• An Jeong Wook
• Lee Jung Oh
• Leem Sung Hyun
• Kim Yang Hyun

Classifications

• H01F27/29

  Terminals; Tapping arrangements {for signal inductances} · CPC title

• H01F27/2804

  Printed windings · CPC title

• H01F38/14

  Inductive couplings {(for wireless supply or distribution of electric power using inductive coupling H02J50/10)} · CPC title

• H01F41/14

  for applying magnetic films to substrates · CPC title

• G06K19/0723 Primary

  the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs · CPC title