Plasma display device

• US 20060125720A1
• Filed: 11/30/2005
• Published: 06/15/2006
• Est. Priority Date: 12/09/2004
• Status: Abandoned Application

• Current Assignee: Samsung SDI Company Limited
• Original Assignee: Samsung SDI Company Limited
• Inventors: Kang, Tae-Kyoung, Kim, Sok-San
• Application Number:
  US11/289,444
• Publication Number:
  US 20060125720A1
• Time in Patent Office: Days
• US Class Current: 345/60
• CPC Class Codes: H01J 11/10 AC-PDPs with at least one main electrode being out of contact with the plasma
• CPC Class Codes: H05K 7/20963 Heat transfer by conduction from internal heat source to heat radiating structure H05K7/20972 takes precedence

Abstract

There is provided a plasma display device including a panel displaying an image, a frame supporting the panel, a driving unit coupled with the frame to generate electrical signals for driving the panel, and a signal transferring unit including at least one signal transferring line for transferring electrical signals between the driving unit and the panel, and at least one ground line having a ground portion connected to the driving unit and electrically connected to the frame.

Claims

1. A plasma display device, comprising:

a panel displaying an image;

a frame supporting the panel;

a driving unit coupled with the frame to generate electrical signals for driving the panel; and

a signal transferring unit comprising at least one signal transferring line and at least one ground line,

wherein the at least one signal transferring line transfers electrical signals between the driving unit and the panel, and

wherein the at least one ground line comprises a ground portion substantially contacting with the frame.

2. The plasma display device of claim 1, wherein the signal transferring unit further comprises an integrated circuit chip coupled with the at least one signal transferring line to control transfer of the electrical signals between the driving unit and the panel, and

wherein at least a portion of the at least one signal transferring line is coated with an insulating layer.

3. The plasma display device of claim 1, wherein at least a portion of the at least one ground line is coated with an insulating layer except for the ground portion.

4. The plasma display device of claim 1, wherein the at least one ground line is widest at the ground portion.

5. The plasma display device of claim 1, wherein the ground portion is arranged at a central portion of the signal transferring unit.

6. The plasma display device of claim 1, wherein the ground portion is arranged at an edge of the signal transferring unit.

7. The plasma display device of claim 1, wherein the ground portion is attached to the frame by a conductive adhesive.

8. The plasma display device of claim 1, wherein the frame is conductive and comprises a protrusion in a region that substantially contacts with the ground portion.

9. A plasma display device, comprising:

a panel displaying an image;

a frame supporting the panel;

a driving unit coupled with the frame to generate electrical signals for driving the panel;

a signal transferring unit comprising at least one signal transferring line for transferring electrical signals between the driving unit and the panel, and at least one ground line having a ground portion substantially contacting with the frame, the at least one ground line connected with the driving unit; and

a fixing member that fixes the ground portion such that the ground portion is substantially contacted with the frame.

10. The plasma display device of claim 9, wherein the fixing member comprises a cover part that covers at least a part of the ground portion, and a connecting part that extends from the cover part and is coupled with the frame.

11. The plasma display device of claim 10, wherein the cover part and the connecting part are conductive, and the cover part substantially contacts with the ground portion.

12. The plasma display device of claim 10, wherein the cover part presses the ground portion such that the ground portion substantially contacts with the frame.

13. The plasma display device of claim 10, wherein the connecting part is coupled with a protrusion from the frame, the protrusion being formed on the frame as one body.

14. The plasma display device of claim 13, wherein the protrusion is a separate member that is connected to the frame.

15. The plasma display device of claim 9, wherein the fixing member passes through the signal transferring unit, and the ground portion substantially contacts with the frame.

16. The plasma display device of claim 15, wherein the fixing member is located in a region where the at least one signal transferring line does not exist.

17. The plasma display device of claim 15, wherein the fixing member is conductive and passes through the ground portion.

18. A plasma display device, comprising:

a panel displaying an image;

a frame supporting the panel;

a driving unit coupled with the frame to generate electrical signals for driving the panel;

a signal transferring unit comprising at least one signal transferring line for transferring electrical signals between the driving unit and the panel, and at least one ground line having a ground portion substantially contacting with the frame, the at least one ground line connected with the driving unit;

a cover plate covering at least a part of the ground portion; and

a first fixing member passing through the cover plate and connected to the frame, such that the ground portion is substantially contacted with the frame.

19. The plasma display device of claim 18, wherein the cover plate and the first fixing member are conductive, and the cover plate is substantially contacted with the ground portion.

20. The plasma display device of claim 19, wherein the cover plate presses the ground portion such that the cover plate is substantially contacted with the ground portion.

21. The plasma display device of claim 19, wherein the ground portion is attached to the cover plate by a conductive adhesive.

22. The plasma display device of claim 18, wherein signal transferring unit further comprises an integrated circuit chip coupled with the at least one signal transferring line to control transfer of the electrical signals between the driving unit and the panel, and

wherein the cover plate covers the integrated circuit chip.

23. The plasma display device of claim 22, wherein the cover plate covers an edge of the frame.

24. The plasma display device of claim 18, further comprising a supporting plate arranged between the signal transferring unit and the frame and at a place corresponding to the ground portion.

25. The plasma display device of claim 24, wherein the supporting plate is coupled with the frame by a second fixing member.

26. The plasma display device of claim 24, wherein the first fixing member is conductive and fixes the supporting plate to the frame.

27. The plasma display device of claim 18, wherein an outer surface of the first fixing member comprises a thread corresponding to a thread formed in a hole in the frame.

28. The plasma display device of claim 18, wherein the first fixing member is coupled with a protrusion from the frame, the protrusion being formed on the frame as one body.

29. The plasma display device of claim 28, wherein the protrusion is a separate member that is connected to the frame.

30. A plasma display device, comprising:

a panel displaying an image;

a frame supporting the panel;

a driving unit coupled with the frame to generate electrical signals for driving the panel;

a signal transferring unit comprising at least one signal transferring line for transferring electrical signals between the driving unit and the panel, and at least one ground line having a ground portion substantially contacting with the frame, the at least one ground line connected with the driving unit; and

a cover plate covering at least a part of the ground portion so as to substantially contact the ground portion with the frame.

31. The plasma display device of claim 30, wherein the cover plate is conductive and is coupled with the frame, and the ground portion substantially contacts with the cover plate.

32. The plasma display device of claim 31, wherein the ground portion is closely contacted with the cover plate.

33. The plasma display device of claim 30, wherein the cover plate presses the ground portion such that the ground portion is substantially contacted with the frame.

34. The plasma display device of claim 33, wherein the cover plate is conductive and substantially contacted with the ground portion.

35. The plasma display device of claim 30, further comprising:

a heat sink plate covering the cover plate and the signal transferring unit.

36. The plasma display device of claim 35, wherein the cover plate and the heat sink plate are conductive and are electrically connected together, the heat sink plate is connected to the frame, and the ground portion substantially contacts with the cover plate.

37. The plasma display device of claim 36, wherein the heat sink plate is connected to the frame by a conductive fixing member.

38. A signal transferring unit for a display device, comprising:

at least one signal transferring line; and

at least one ground line,

wherein the at least one signal transferring line transfers electrical signals between a driving unit and a display panel, and

wherein the at least one ground line comprises a ground portion that substantially contacts a frame that supports the display device.