Electronic device having wireless power transmitting/receiving conductive pattern

• US 10,680,470 B2
• Filed: 12/17/2018
• Issued: 06/09/2020
• Est. Priority Date: 08/12/2015
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Jang, Kiyoun, Park, Chulwoo, Seo, Hyundeok, Jang, Se-Young, Cho, Chi-Hyun
• Primary Examiner(s): Deberadinis, Robert L
• Application Number:
  US16/222,870
• Publication Number:
  US 20190123599A1
• Time in Patent Office: 540 Days
• CPC Class Codes: G01K 13/00 Thermometers specially adapted for specific purposes
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H04B 5/26 using coils
• CPC Class Codes: H04B 5/72 for local intradevice communication
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• CPC Class Codes: H04M 1/0262 for a battery compartment
• CPC Class Codes: H04M 1/0277 for a printed circuit board assembly
• CPC Class Codes: H04M 2250/12 including a sensor for measuring a physical value, e.g. temperature or motion telephones including GPS signal receivers H04M2250/10
• CPC Class Codes: H05K 1/0203 Cooling of mounted components H05K1/0272 takes precedence
• CPC Class Codes: H05K 1/0298 Multilayer circuits
• CPC Class Codes: H05K 1/165 incorporating printed inductors
• CPC Class Codes: H05K 1/181 associated with surface mounted components
• CPC Class Codes: H05K 2201/1003 Non-printed inductor
• CPC Class Codes: H05K 2201/10037 Printed or non-printed battery
• CPC Class Codes: H05K 2201/10151 Sensor
• CPC Class Codes: H05K 3/429 Plated through-holes specially for multilayer circuits, e.g. having connections to inner circuit layers

Abstract

Various embodiments of the present disclosure may provide an electronic device that includes: a first plate directed in a first direction, a second plate directed in a second direction opposite to the first direction, and a side member configured to surround at least a part of the space between the first and second plates; a first printed circuit board (PCB) that is disposed between the first and second plates and includes at least one processor; a second printed circuit board (PCB) that is disposed between the first printed circuit board and the second plate and includes at least one antenna pattern; and a temperature sensor disposed to measure the temperature of at least a part of the second printed circuit board. Other various embodiments are possible.

Claims

1. A portable communication device comprising:

a first printed circuit board (PCB) including charging circuitry;

a second PCB including at least one antenna and at least one temperature sensor, the at least one antenna electrically connected with the charging circuitry;

a battery pack disposed to face at least one portion of the first PCB or at least one portion the second PCB; and

a housing in which the battery pack is accommodated, the housing including an opening in which at least part of the at least one temperature sensor is accommodated.

2. The portable communication device of claim 1, wherein the housing comprises a front cover and a rear cover coupled to the front cover, and wherein the second PCB mounted on the rear cover.

3. The portable communication device of claim 1, wherein the at least one temperature sensor is disposed adjacent to the at least one antenna.

4. The portable communication device of claim 1, wherein the second PCB comprises a first flexible printed circuit board (FPCB) and a second FPCB, and wherein the at least one antenna is mounted on the first FPCB and the at least one temperature sensor is mounted on the second FPCB.

5. The portable communication device of claim 1, wherein the at least one temperature sensor is disposed adjacent to a protection circuit module (PCM) of the battery pack to face the PCM of the battery pack.

6. The portable communication device of claim 1, wherein a heat shielding material are attached to at least one portion of the second PCB.

7. The portable communication device of claim 1, wherein a thermal spreading sheet is attached to the at least one antenna other than the at least one temperature sensor.

8. The portable communication device of claim 1, wherein a thermal spreading sheet is attached to another antenna mounted on the second PCB other than the at least one temperature sensor.

9. The portable communication device of claim 1, wherein the at least one antenna comprises a first conductive line and a second conductive line, the first conductive line capable of receiving or transmitting electric power wirelessly, and the second conductive line to electrically connect the first conductive line with the charging circuitry.

10. A portable communication device comprising:

a support structure;

a display disposed on a first surface of the support structure;

a first PCB disposed on a second surface opposite to the first surface of the support structure;

a housing coupled to the support structure;

a battery pack accommodated in the housing;

a second PCB mounted on the housing;

at least one wireless charging coil provided on the second PCB; and

at least one temperature sensor disposed adjacent to the at least one wireless charging coil and accommodated in a recess formed on the housing.

11. The portable communication device of claim 10, wherein the second PCB includes a near filed communication antenna around the at least one wireless charging coil.

12. The portable communication device of claim 10, wherein the second PCB comprises a flexible printed circuit board (FPCB).

13. The portable communication device of claim 10, wherein the battery pack is disposed parallel to the first PCB without overlapping with the first PCB, and wherein the at least one wireless charging coil is disposed to overlap the battery pack while facing the battery pack.

14. A portable communication device comprising:

a first plate directed in a first direction, a second plate directed in a second direction opposite to the first direction, and a side member configured to surround at least a part of a space between the first and second plates;

a first printed circuit board (PCB) disposed between the first and second plates and includes charging circuitry;

a second PCB disposed between the first PCB and the second plate, the second PCB electrically connected with the charging circuitry and including at least one antenna pattern; and

a temperature sensor adapted to measure a temperature in relation with an operation of the charging circuitry.

15. The portable communication device of claim 14, wherein at least part of the temperature sensor is disposed in an interior of the second PCB.

16. The portable communication device of claim 14, wherein the second PCB comprises:

a flexible printed circuit board (FPCB);

the at least one antenna pattern comprising a first coil-type antenna pattern and a second coil-type antenna pattern configured to surround the first coil-type antenna pattern when viewed from above the second plate; and

the temperature sensor disposed outside the second coil-type antenna pattern when viewed from above the second plate.

17. The portable communication device of claim 14, wherein the second PCB comprises:

an FPCB;

the at least one antenna pattern comprising a first coil-type antenna pattern and a second coil-type antenna pattern configured to surround the first coil-type antenna pattern when viewed from above the second plate; and

the temperature sensor disposed within an area surrounded by the first coil-type antenna pattern when viewed from above the second plate.

18. The portable communication device of claim 14, wherein the second PCB comprises:

an FPCB;

the at least one antenna pattern comprising a first coil-type antenna pattern and a second coil-type antenna pattern configured to surround the first coil-type antenna pattern when viewed from above the second plate; and

the temperature sensor disposed to at least partially overlap the first coil-type antenna pattern when viewed from above the second plate.

19. The portable communication device of claim 14, wherein the second PCB comprises:

an FPCB;

the at least one antenna pattern comprising at least one coil-type antenna pattern; and

the temperature sensor disposed outside the at least one antenna pattern when viewed from above the second plate.

20. The portable communication device of claim 14, further comprising a thermal spreading sheet disposed between the first and second PCBs, wherein the temperature sensor is disposed to make contact with, or adjacent to, a part of the thermal spreading sheet, and

wherein the thermal spreading sheet is disposed to at least partially contact the second PCB.