Apparatus for shielding electromagnetic interference of display module and a manufacturing method thereof

• US 8,159,477 B2
• Filed: 09/21/2006
• Issued: 04/17/2012
• Est. Priority Date: 01/20/2006
• Status: Expired due to Fees

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Cho, Young-min
• Primary Examiner(s): Dharia, Prabodh M
• Application Number:
  US11/524,302
• Publication Number:
  US 20070171622A1
• Time in Patent Office: 2,035 Days
• Field of Search: 345/204, 345/173, 345/679, 345/87, 345/93, 313/582, 313/587, 313/512, 313/478, 313/580, 313/112, 313/489, 315/169.3, 315/169.4, 315/248, 315/278, 315/291, 361/679.2, 361/829, 361/728, 361/679.09, 361/704, 361/707, 361/714, 361816-818, 361/725, 349/64, 349/40, 349/65, 349/59, 349/58, 349/150, 349/149, 349/67, 349/139, 211/189
• US Class Current: 345/204
• CPC Class Codes: H05K 9/0096 for television displays, e.g. plasma display panel

Abstract

An electromagnetic interference shielding apparatus and method for manufacturing an electromagnetic interference apparatus are provided. The apparatus includes a frame mounting a display module, a conductive rear cover mounted to a rear side of a frame, a shielding member disposed on a front side of the display module and comprising a conductive layer, a conductive member conductively connecting the shielding member with the rear cover, and a conductive adhesive member conductively connecting the conductive member with the shielding member.

Claims

1. An electromagnetic interference shielding apparatus comprising:

a frame configured to mount a display module;

a conductive rear cover which is mounted to a rear side of a frame;

a shielding member which is disposed on a front side of the display module and shields electromagnetic interference, wherein the shielding member has a front side and a rear side and the rear side of the shielding member faces the front side of the display module;

conductive coupling means for conductively coupling the shielding member with the conductive rear cover, wherein the conductive coupling means including a first end and a second end; and

a conductive adhesive means for conductively adhering the conductive means to the shielding member;

wherein the first end of the conductive coupling means is coupled with the front side of the shielding member through the conductive adhesive means so as to be substantially parallel to the front side of the shielding member,

wherein the conductive coupling means includes a bent part extending from the first end to the second end of the coupling means with an obtuse angle formed between the bent part and the first end and partly surrounding a lateral side of the display module, and the conductive rear cover includes a slant part surrounding the rest part of the lateral side of the display module.

2. The shielding apparatus of claim 1, wherein the conductive coupling means comprises a conductive member which is conductively coupled to the conductive rear cover.

3. The shielding apparatus of claim 2, wherein the conductive member comprises at least one of aluminum, copper, nickel, carbon, black lead, aluminum alloy, copper alloy, and nickel alloy.

4. The shielding apparatus of claim 2, wherein a contacting area between the conductive member and the conductive rear cover is conductively fastened to the frame by at least one conductive fastening member.

5. The shielding apparatus of claim 1, wherein the conductive coupling means comprises a supporting member mounted to the frame and the conductive rear cover, and the supporting member is coated with a conductive layer for conductively coupling the conductive rear cover and the shielding member.

6. The shielding apparatus of claim 5, wherein the supporting member is non-conductive.

7. The shielding apparatus of claim 5, wherein the supporting member is formed of non-conductive resin.

8. The shielding apparatus of claim 5, wherein the conductive layer comprises at least one of aluminum, copper, nickel, carbon, black lead, aluminum alloy, copper alloy, and nickel alloy.

9. The shielding apparatus of claim 5, wherein a contacting area between the conductive layer of the support member and the conductive rear cover is conductively fastened to the frame by at least one conductive fastening member.

10. The shielding apparatus of claim 1, wherein the frame comprises a mounting surface for mounting the shielding member and the conductive rear cover on an inner surface thereof, and the conductive means comprises a conductive layer coating the mounting surface.

11. The shielding apparatus of claim 10, wherein the mounting surface is non-conductive.

12. The shielding apparatus of claim 10, wherein the shielding member is adhered to a side end of the conductive layer by the conductive adhesive means, and a slant part end of the conductive rear cover is coupled to another side end of the conductive layer by a fastening member.

13. The shielding apparatus of claim 1, wherein the conductive adhesive means comprises a conductive dual-coated tape.

14. The shielding apparatus of claim 1, wherein the conductive adhesive means comprises a conductive liquid adhesive.

15. The shielding apparatus of claim 14, wherein the conductive liquid adhesive comprises at least one of aluminum powder, nickel powder, and copper powder.

16. The shielding apparatus of claim 1, wherein both the conductive rear cover and the conductive coupling means are in contact with the frame.

17. A method for manufacturing an electromagnetic interference shielding apparatus that comprises a frame mounting a display module, a shielding member disposed on a front side of the display module, and a conductive rear cover, the shielding member having a front side and a rear side facing the front side of the display module, the method comprising:

conductively connecting the conductive rear cover with the shielding member through a conductive means including a first end and a second end; and

conductively coupling the shielding member and the conductive means through a conductive adhesive means;

wherein the first end of the conductive means is coupled with the front side of the shielding member through the conductive adhesive means so as to be substantially parallel to the front side of the shielding member,

wherein the conductive means includes a bent part extending from the first end to the second end of the conductive means with an obtuse angle formed between the bent part and the first end and partly surrounding a lateral side of the display module, and the conductive rear cover includes a slant part surrounding the rest part of the lateral side of the display module.

18. The method of claim 17, wherein the conductive means comprises a conductive member which is conductively coupled to the conductive rear cover.

19. The method of claim 18, wherein the conductive member comprises at least one of aluminum, copper, nickel, carbon, black lead, aluminum alloy, copper alloy, and nickel alloy.

20. The method of claim 18, wherein a contacting area between the conductive member and the conductive rear cover is conductively fastened to the frame by at least one conductive fastening member.

21. The method of claim 17, wherein the conductive means comprises a supporting member mounted to the frame and the conductive rear cover, and the supporting member is coated with a conductive layer for conductively coupling the conductive rear cover and the shielding member.

22. The method of claim 21, wherein the supporting member is non-conductive.

23. The method of claim 21, wherein the supporting member is formed of non-conductive resin.

24. The method of claim 21, wherein the conductive layer comprises at least one of aluminum, copper, nickel, carbon, black lead, aluminum alloy, copper alloy, and nickel alloy.

25. The method of claim 21, wherein a contacting area between the conductive layer of the support member and the conductive rear cover is conductively fastened to the frame by at least one conductive fastening member.

26. The method of claim 17, wherein the frame comprises a mounting surface for mounting the shielding member and the conductive rear cover on an inner surface thereof, and the conductive means comprises a conductive layer coating the mounting surface.

27. The shielding apparatus of claim 26, wherein the mounting surface is non-conductive.

28. The method of claim 26, wherein the shielding member is adhered to a side end of the conductive layer by the conductive adhesive means, and a slant part end of the conductive rear cover is coupled to an other side end of the conductive layer by a fastening member.

29. The method of claim 17, wherein the conductive adhesive means comprises a conductive dual-coated tape.

30. The method of claim 17, wherein the conductive adhesive means comprises a conductive liquid adhesive.

31. The method of claim 30, wherein the conductive liquid adhesive comprises at least one of aluminum powder, nickel powder, and copper powder.