Heat transfer member and electronic device including the same

Patent metadata

Field	Value
Publication number	US-2020267828-A1
Application number	US-202016795223-A
Country	US
Kind code	A1
Filing date	Feb 19, 2020
Priority date	Feb 19, 2019
Publication date	Aug 20, 2020
Grant date	—

Abstract

An electronic device for improving heat transfer is provided. The electronic device includes a housing, a display mounted on at least one surface of the housing, a battery, a supporting member disposed adjacent to a back surface of the display and supporting the display, a printed circuit board on which electronic components are mounted, a shield can surrounding at least a portion of the electronic components, a shielding structure disposed on an outer surface of the shield can to shield the electronic components, and a first heat transfer member disposed on an outer surface of the shielding structure and including a partial area that faces at least one electronic component among the plurality of electronic components mounted on the printed circuit board and another partial area that is bent and faces another electronic component among the plurality of electronic components mounted on the printed circuit board.

First claim

What is claimed is:

1 . An electronic device, comprising:
a housing; a display mounted on at least one surface of the housing; a battery; a supporting member disposed adjacent to a back surface of the display and supporting the display; a printed circuit board on which electronic components are mounted; a shield can surrounding at least a portion of the electronic components; a shielding structure disposed on an outer surface of the shield can to shield the electronic components; and a first heat transfer member disposed on an outer surface of the shielding structure and including a partial area that faces at least one electronic component among the plurality of electronic components mounted on the printed circuit board and another partial area that is bent and faces another electronic component among the plurality of electronic components mounted on the printed circuit board.

2 . The electronic device of claim 1 , wherein the housing comprises:
a first area that divides a space in the housing along a lengthwise direction from an end of the supporting member, the first area including the printed circuit board disposed therein; and a second area that is positioned adjacent to the first area, the second area dividing the space in parallel with the first area, and including the battery.

3 . The electronic device of claim 1 , wherein the printed circuit board comprises:
a first printed circuit board on which a first plurality of electronic components are mounted; and a second printed circuit board that at least partially overlaps the first printed circuit board and is electrically connected with the first printed circuit board.

4 . The electronic device of claim 1 , further comprising a second heat transfer member disposed between the display and the battery.

5 . The electronic device of claim 4 , further comprising a third heat transfer member disposed on an opposite surface to the supporting member at which the second heat transfer member is disposed.

6 . The electronic device of claim 1 , wherein the supporting member is formed of an integral heat conductive material.

7 . The electronic device of claim 1 , further comprising a heat radiating sheet disposed on the back surface of the display.

8 . The electronic device of claim 1 , further comprising:
an antenna for wireless charging; and a heat radiating sheet disposed between the antenna and the battery.

9 . The electronic device of claim 1 , wherein the housing comprises:
a front plate facing in a first direction; and a back plate facing in a second direction opposite to the first direction, and wherein a second supporting member is included between the back plate and the printed circuit board.

10 . The electronic device of claim 1 , wherein the shielding structure comprises:
a shielding member electrically connected with the shield can; a metal plate electrically connected with the shielding member; and a heat transfer material disposed on at least one surface of the metal plate.

11 . The electronic device of claim 1 , wherein the shielding structure comprises a shielding member disposed to surround an outer surface of the shield can and an opening formed in a surface corresponding to an electronic component of the shield can and electrically connected with the shield can;
a metal plate disposed over the shielding member, with the opening covered, and electrically connected with the shielding member; a first heat transfer material disposed to touch the electronic component and the metal plate in the opening; and a second heat transfer material disposed between the metal plate and the first heat transfer member to touch the metal plate and the first heat transfer member.

12 . The electronic device of claim 1 , further comprising at least one antenna module disposed in the housing.

13 . The electronic device of claim 12 , further comprising at least one heat radiating sheet spaced apart from the at least one antenna module, the at least one heat radiating sheet being attached to the housing.

14 . The electronic device of claim 12 , wherein the at least one antenna module comprises at least one first antenna module vertically mounted on the supporting member by using a frame, and
wherein a heat transfer material is formed between the at least one first antenna module and the frame.

15 . The electronic device of claim 12 , wherein the at least one antenna module comprises a printed circuit board including a stack of a plurality of layers facing a seating part of the supporting member, and
wherein a via hole is formed through at least a portion of the plurality of layers in at least an area of the printed circuit board.

16 . An electronic device, comprising:
a housing including a front plate facing in a first direction, a back plate facing in a second direction opposite to the first direction, a supporting member disposed between the front plate and the back plate to form a space, a first area dividing the space along a lengthwise direction from an end of the supporting member, and a second area positioned adjacent to the first area and dividing the space in parallel with the first area; a printed circuit board on which a plurality of electronic components are mounted, the printed circuit board being disposed in the first area, and including a first printed circuit board on which a first plurality of electronic components are mounted and a second printed circuit board at least partially overlapping the first printed circuit board and electrically connected with the first printed circuit board; a battery disposed in the second area; and a first heat transfer member including a partial area that faces at least one electronic component among the first plurality of electronic components mounted on the first printed circuit board and at least another partial area that is bent and faces another electronic component among the first plurality of electronic components mounted on the first printed circuit board.

17 . The electronic device of claim 15 , further comprising:
a second heat transfer member disposed to face at least one surface of the supporting member; and a third heat transfer member disposed to face an opposite surface of the supporting member, wherein the first heat transfer member is disposed in an area corresponding to at least a portion of the first area, the second heat transfer member is disposed in an area corresponding to at least a portion of the second area, and the third heat transfer member is disposed in an area corresponding to at least a portion of the first area and at least a portion of the second area.

18 . The electronic device of claim 16 , wherein the first heat transfer member is disposed between the supporting member and the printed circuit board, and
wherein the first heat transfer member comprises at least one bend portion that steps the partial area from the at least the other partial area.

19 . The electronic device of claim 16 , wherein the plurality of electronic components comprise a first processor and a second processor.

20 . The electronic device of claim 16 , further comprising an antenna module disposed separately from the printed circuit board and functionally connected with a communication circuit disposed on the printed circuit board.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Moon Hongki
• Park Yoonsun
• Kang Seunghoon
• Koo Kyungha
• Yun Hajoong
• Lee Seungjoo
• Lee Yeonjoo
• Jang Seyoung

Classifications

• H02J7/70

  characterised by the mechanical construction · CPC title

• H01Q1/243

  with built-in antennas · CPC title

• H05K7/20472

  Sheet interfaces · CPC title

• H05K9/0024

  Shield cases mounted on a PCB, e.g. cans or caps or conformal shields · CPC title

• H04M1/0277

  for a printed circuit board assembly · CPC title