Display apparatus and electronic apparatus having heat sink assembly

• US 9,907,154 B2
• Filed: 07/06/2016
• Issued: 02/27/2018
• Est. Priority Date: 10/27/2015
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Roh, Woo Su
• Primary Examiner(s): DRAVININKAS, ADAM B
• Application Number:
  US15/202,762
• Publication Number:
  US 20170118832A1
• Time in Patent Office: 601 Days
• CPC Class Codes: G02F 1/133514 Colour filters
• CPC Class Codes: G02F 1/133528 Polarisers
• CPC Class Codes: G02F 1/1368 in which the switching element is a three-electrode device G02F1/136277 takes precedence
• CPC Class Codes: G02F 2201/123 pixel
• CPC Class Codes: H01L 2224/32245 the item being metallic
• CPC Class Codes: H01L 23/40 Mountings or securing means for detachable cooling or heating arrangements heating H01L23/345; fixed by friction, plugs or springs
• CPC Class Codes: H01L 24/32 of an individual layer connector
• CPC Class Codes: H01L 2924/1432 Central processing unit [CPU]
• CPC Class Codes: H05K 1/021 Components thermally connected to metal substrates or heat-sinks by insert mounting
• CPC Class Codes: H05K 1/0254 High voltage adaptations; Electrical insulation details; Overvoltage or electrostatic discharge protection electrostatic discharge protection for electric apparatus in general H05K9/0067, H05K9/0079; Arrangements for regulating voltages or for using plural voltages
• CPC Class Codes: H05K 1/181 associated with surface mounted components
• CPC Class Codes: H05K 2201/10136 Liquid Crystal display [LCD]
• CPC Class Codes: H05K 7/20963 Heat transfer by conduction from internal heat source to heat radiating structure H05K7/20972 takes precedence

Abstract

A display apparatus and an electronic apparatus including a heat sink assembly coupled to a printed circuit board (PCB) is disclosed. The display apparatus and the electronic apparatus include a PCB having a plurality of electronic components, a heat sink assembly coupled to the PCB, and a coupling member which couples the heat sink assembly and the PCB, wherein the coupling member includes a flexible metallic material and is oriented to elastically support the PCB and the heat sink assembly.

Claims

1. An electronic apparatus comprising:

a printed circuit board (PCB) comprising a plurality of electronic components;

a heat sink assembly coupled to the PCB; and

an elastically deformable coupling member which couples the heat sink assembly and the PCB,

wherein the elastically deformable coupling member comprises a flexible metallic material, and is oriented to elastically support the PCB and the heat sink assembly, and

wherein the heat sink assembly comprises a fixing portion that protrudes from a surface thereof toward the PCB, and wherein the elastically deformable coupling member is fixed to the fixing portion.

2. The electronic apparatus of claim 1, wherein a diameter of the elastically deformable coupling member is contractible by an external force.

3. The electronic apparatus of claim 1, wherein the fixing portion and the heat sink assembly define a space, and wherein the elastically deformable coupling member is inserted within the space.

4. The electronic apparatus of claim 3, wherein the fixing portion comprises an opening formed in a surface thereof, and wherein the elastically deformable coupling member is inserted through the opening.

5. The electronic apparatus of claim 4, wherein a diameter of the opening is less than the diameter of the elastically deformable coupling member.

6. The electronic apparatus of claim 3, wherein the elastically deformable coupling member is inserted into the space formed between the fixing portion and the heat sink assembly so as to elastically support the heat sink assembly.

7. The electronic apparatus of claim 1, wherein the elastically deformable coupling member is fixed to the PCB.

8. The electronic apparatus of claim 7, wherein the elastically deformable coupling member comprises a base member in contact with the PCB, and a support portion in contact with both the base member and the heat sink assembly so as to support a surface of the heat sink assembly.

9. The electronic apparatus of claim 8, wherein the support portion comprises a closed loop having a polygonal shape.

10. The electronic apparatus of claim 8, wherein the support portion comprises a ring shape.

11. The electronic apparatus of claim 8, wherein the support portion comprises an open loop having a hook shape.

12. The electronic apparatus of claim 1, wherein the elastically deformable coupling member and the PCB comprise a common metallic material.

13. The electronic apparatus of claim 1, wherein the plurality of electronic components comprises an integrated circuit (IC) member configured to function as a central processing unit, and wherein the elastically deformable coupling member is located adjacent to the IC member.

14. The electronic apparatus of claim 13, wherein the IC member and the heat sink assembly are coupled to each other by an adhesive member.

15. An electronic apparatus comprising:

a printed circuit board (PCB) comprising a plurality of electronic components;

a heat sink assembly coupled to the PCB;

a plurality of contact members protruding from the PCB; and

an elastically deformable coupling member which couples the heat sink assembly and the PCB,

wherein the elastically deformable coupling member comprises a flexible metallic material, and is oriented to elastically support the PCB and the heat sink assembly, and

wherein the plurality of contact members are in contact with one surface of the heat sink assembly coupled with the PCB.

16. The electronic apparatus of claim 15, wherein the elastically deformable coupling member projects from and is attached to a surface of the PCB, and is elastically deformed when inserted into the heat sink assembly.

17. A display apparatus comprising:

a display panel configured to display images;

a printed circuit board (PCB) comprising a plurality of electronic components and located in a rear of the display panel

a heat sink assembly configured to radiate heat of the PCB; and

an elastically deformable coupling member which couples the heat sink assembly and the PCB,

wherein the elastically deformable coupling member comprises a flexible metallic material, and is oriented to elastically support the heat sink assembly, and

wherein the heat sink assembly comprises a fixing portion that protrudes from a portion thereof toward the PCB, and wherein the elastically deformable coupling member is fixed to the fixing portion.

18. The display apparatus of claim 17, wherein the fixing portion comprises an opening formed in a surface thereof, and wherein the elastically deformable coupling member is inserted through the opening.

19. The display apparatus of claim 18, wherein a diameter of the opening is less than a diameter of the elastically deformable coupling member.