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

• US 20070171622A1
• Filed: 09/21/2006
• Published: 07/26/2007
• Est. Priority Date: 01/20/2006
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Cho, Young-min
• Granted Patent: US 8,159,477 B2
• Time in Patent Office: Days
• US Class Current: 361/816
• 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 conductive rear cover which is mounted to a rear side of a frame;

a shielding member which shields electromagnetic interference;

conductive coupling means for conductively coupling the shielding member with the conductive rear; and

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

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 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 an other 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. 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 method comprising:

conductively connecting the conductive rear cover with the shielding member through a conductive means; and

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

17. The method of claim 16, wherein the conductive coupling means comprises a conductive member which is conductively coupled to the conductive rear cover.

18. The method of claim 17, wherein the conductive member comprises at least one of aluminum, copper, nickel, carbon, black lead, aluminum alloy, copper alloy, and nickel alloy.

19. The method of claim 17, 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.

20. The method of claim 16, 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.

21. The method of claim 20, wherein the supporting member is non-conductive.

22. The method of claim 20, wherein the supporting member is formed of non-conductive resin.

23. The method of claim 20, wherein the conductive layer comprises at least one of aluminum, copper, nickel, carbon, black lead, aluminum alloy, copper alloy, and nickel alloy.

24. The method of claim 20, 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.

25. The method of claim 16, 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.

26. The shielding apparatus of claim 25, wherein the mounting surface is non-conductive.

27. The method of claim 25, 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.

28. The method of claim 16, wherein the conductive adhesive means comprises a conductive dual-coated tape.

29. The method of claim 16, wherein the conductive adhesive means comprises a conductive liquid adhesive.

30. The method of claim 29, wherein the conductive liquid adhesive comprises at least one of aluminum powder, nickel powder, and copper powder.