Wireless power receiver and method of manufacturing the same

• US 10,270,291 B2
• Filed: 11/23/2016
• Issued: 04/23/2019
• 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, Leem, Sung Hyun, Kim, Yang Hyun
• Primary Examiner(s): Fureman, Jared
• Assistant Examiner(s): Evans, James
• Application Number:
  US15/360,425
• Publication Number:
  US 20170076859A1
• Time in Patent Office: 881 Days
• Field of Search: None
• CPC Class Codes: B60L 53/12 Inductive energy transfer
• CPC Class Codes: G06K 19/0723 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 Class Codes: H01F 27/2804 Printed windings
• CPC Class Codes: H01F 27/29 Terminals; Tapping arrangements for signal inductances
• CPC Class Codes: H01F 27/36 Electric or magnetic shields or screens movable for varying inductance H01F21/10
• CPC Class Codes: H01F 27/366 made of ferromagnetic material
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H01F 41/14 for applying magnetic films to substrates
• CPC Class Codes: H02J 50/10 using inductive coupling
• 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
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y10T 29/4902 Electromagnet, transformer or inductor

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.

Claims

1. A wireless power and near-field communication module, comprising:

a magnetic substrate comprising a receiving space;

a first conductive pattern for receiving wireless power on the magnetic substrate, the first conductive pattern comprising

a first coil unit,

a first connection terminal connected to an inner side of the first coil unit, and

a second connection terminal connected to an outer side of the first coil unit;

a second conductive pattern for near-field communication on the magnetic substrate, the second conductive pattern comprising

a second coil unit,

a third connection terminal connected to an inner side of the second coil unit, and

a fourth connection terminal connected to an outer side of the second coil unit; and

a connecting unit disposed in the receiving space, the connecting unit comprising

a fifth connection terminal connected to the first connection terminal,

a sixth connection terminal connected to the second connection terminal,

a seventh connection terminal connected to the third connection terminal, and

an eighth connection terminal connected to the fourth connection terminal,

wherein the receiving space comprises a first space and a second space,

wherein the fifth connection terminal is disposed in the first space, and

wherein the sixth connection terminal, the seventh connection terminal, and the eighth connection terminal are disposed in the second space.

2. The wireless power and near-field communication module of claim 1,

wherein a thickness of the magnetic substrate is the same as a thickness of the receiving space.

3. The wireless power and near-field communication module of claim 1,

wherein an area of the first space is smaller than an area of the second space.

4. The wireless power and near-field communication module of claim 1,

wherein the connecting unit comprises a first portion disposed in the first space and a second portion disposed in the second space.

5. The wireless power and near-field communication module of claim 4,

wherein the area of the first space is the same as an area of the first portion.

6. The wireless power and near-field communication module of claim 4,

wherein the area of the second space is smaller than an area of the second portion.

7. The wireless power and near-field communication module of claim 1,

wherein the first space overlaps the first coil unit in a direction perpendicular to an upper surface of the magnetic substrate.

8. The wireless power and near-field communication module of claim 1,

wherein the first space does not overlap the second coil unit in a direction perpendicular to an upper surface of the magnetic substrate.

9. The wireless power and near-field communication module of claim 1,

wherein the second space does not overlap the first coil unit in a direction perpendicular to an upper surface of the magnetic substrate.

10. The wireless power and near-field communication module of claim 1,

wherein the second space overlaps the second coil unit in a direction perpendicular to an upper surface of the magnetic substrate.

11. A wireless power receiver module, comprising:

a magnetic substrate comprising a receiving space;

a first conductive pattern for receiving wireless power on the magnetic substrate, the first conductive pattern comprising

a first coil unit,

a first connection terminal connected to an inner side of the first coil unit, and

a second connection terminal connected to an outer side of the first coil unit; and

a connecting unit disposed in the receiving space, the connecting unit comprising

a third connection terminal connected to the first connection terminal, and

a fourth connection terminal connected to the second connection terminal,

wherein the receiving space comprises a first space and a second space,

wherein the third connection terminal is disposed in the first space,

wherein the fourth connection terminal is disposed in the second space, and

wherein an area of the first space is smaller than an area of the second space.

12. The wireless power receiver module of claim 11,

wherein a thickness of the magnetic substrate is the same as a thickness of the receiving space.

13. The wireless power receiver module of claim 11,

wherein the connecting unit comprises a first portion disposed in the first space and a second portion disposed in the second space.

14. The wireless power receiver module of claim 13,

wherein the area of the first space is the same as an area of the first portion.

15. The wireless power receiver module of claim 13,

wherein the area of the second space is smaller than an area of the second portion.

16. The wireless power receiver module of claim 11,

wherein the first space overlaps the first coil unit in a direction perpendicular to an upper surface of the magnetic substrate.

17. The wireless power receiver module of claim 11,

wherein the second space does not overlap the first coil unit in a direction perpendicular to an upper surface of the magnetic substrate.

18. A wireless power receiver module, comprising:

a magnetic substrate comprising a receiving space;

a first conductive pattern for receiving wireless power on the magnetic substrate, the first conductive pattern comprising

a first coil unit,

a first connection terminal connected to an inner side of the first coil unit, and

a second connection terminal connected to an outer side of the first coil unit; and

a connecting unit disposed in the receiving space,

wherein the receiving space comprises a first space and a second space,

wherein an area of the first space is smaller than an area of the second space,

wherein the connecting unit comprises a first portion disposed in the first space and a second portion disposed in the second space, and

wherein the area of the second space is smaller than an area of the second portion.

19. The wireless power receiver module of claim 18,

wherein a thickness of the magnetic substrate is the same as a thickness of the receiving space.

20. The wireless power receiver module of claim 18,

wherein the first space overlaps the first coil unit in a direction perpendicular to an upper surface of the magnetic substrate, and

wherein the second space does not overlap the first coil unit in a direction perpendicular to an upper surface of the magnetic substrate.