IP Library Granted Patent US 7,372,530
Granted Patent B2
US 7,372,530 · App. 10/845,573 · Granted May 13, 2008

UV curable conductive layers in LC displays

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Quick Facts
Patent No.
US 7,372,530
App. No.
10/845,573
Granted
May 13, 2008
Kind
B2
Abstract

The present invention relates to a display device comprising a substrate, at least one UV curable conductive layer and an imageable layer. The present invention also relates to a display device comprising a substrate, a first transparent conductive layer, a light modulating layer, and a second conductive layer, wherein the second conductive layer is UV curable.

Claims (65)

1. A display device comprising a substrate, at least one UV curable, reflective conductive layer and a cholesteric liquid crystal light modulating layer, wherein said at least one UV curable reflective conductive layer is a silver based layer, and wherein said silver based layer is thinner than 11 microns.

2. The display device of claim 1 wherein said substrate is flexible.

3. The display device of claim 1 wherein said substrate is glass or plastic.

4. The display device of claim 1 wherein said substrate is transparent.

5. The display device of claim 1 wherein said substrate comprises at least one member selected from the group consisting of polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyethersulfone (PES), polycarbonate (PC), polysulfone, a phenolic resin, an epoxy resin, polyester, polyimide, polyetherester, polyetheramide, cellulose acetate, aliphatic polyurethanes, polyacrylonitrile, polytetrafluoroethylenes, polyvinylidene fluorides, poly(methyl x-methacrylates), an aliphatic or cyclic polyolefin, polyarylate (PAR), polyetherimide (PEI), polyethersulphone (PES), polyimide (PI), Teflon poly(perfluoro-alboxy) fluoropolymer (PFA), poly(ether ether ketone) (PEEK), poly(ether ketone) (PEK), poly(ethylene tetrafluoroethylene) fluoropolymer (PETFE), and poly(methyl methacrylate) acrylate/methacrylate copolymers (PMMA).

6. The display device of claim 1 wherein said substrate comprises polyethylene terephthalate (PET).

7. The display device of claim 1 wherein said substrate comprises polyethylene naphthalate (PEN).

8. The display device of claim 1 wherein said substrate comprises polyester.

9. The display device of claim 1 wherein said substrate comprises polyimide.

10. The display device of claim 1 wherein said substrate comprises cellulose acetate.

11. The display device of claim 1 wherein said substrate comprises aliphatic polyolefin.

12. The display device of claim 11 wherein said aliphatic polyolefin comprises high density polyethylene (HDPE), low density polyethylene (LDPE), polypropylene, and oriented polypropylene (OPP).

13. The display device of claim 1 wherein said substrate further comprises a hard coating.

14. The display device of claim 1 wherein said at least one UV curable reflective conductive layer is patterned.

15. The display device of claim 1 wherein said at least one UV curable reflective conductive layer further comprises a different element.

16. The display device of claim 15 wherein said different element comprises at least one member selected from the group consisting of aluminum (Al), copper (Cu), nickel (Ni), cadmium (Cd), gold (Au), zinc (Zn), magnesium (Mg), tin (Sn), indium (In), tantalum (Ta), titanium (Ti), zirconium (Zr), cerium (Ce), silicon (Si), lead (Pb) or palladium (Pd).

17. The display device of claim 15 wherein said at least one UV curable reflective conductive layer comprises a gold/silver alloy.

18. The display device of claim 15 wherein said at least one UV curable reflective conductive layer comprises a layer of silver coated on one or both sides with a thinner layer of metal.

19. The display device of claim 1 wherein said at least one UV curable reflective conductive layer is printed.

20. The display device of claim 1 wherein said imageable layer is bistable.

21. The display device of claim 1 wherein said cholesteric liquid crystal light modulating layer is a polymer dispersed cholesteric liquid crystal light modulating layer.

22. The display device of claim 1 further comprising at least one functional layer.

23. The display device of claim 22 wherein said at least one functional layer is a dielectric layer.

24. The display device of claim 23 further comprising dielectric conductive row contacts.

25. The display device of claim 24 further comprising vias that permit interconnection between conductive layers and the dielectric conductive row contacts.

26. The display device of claim 22 wherein said at least one functional layer is a color contrast layer.

27. The display device of claim 26 wherein said color contrast layer comprises a nano-pigmented layer.

28. The display device of claim 22 wherein said at least one functional layer is an antistatic layer.

29. The display device of claim 22 wherein said at least one functional layer is a protective layer.

30. A display device comprising a substrate, a first transparent conductive layer, a cholesteric liquid crystal light modulating layer, and a second conductive layer, wherein said second conductive layer is UV curable and reflective, wherein said second conductive layer is a silver based layer, and wherein said silver based layer is thinner than II microns.

31. The display device of claim 30 wherein said substrate is flexible.

32. The display device of claim 30 wherein said substrate is glass or plastic.

33. The display device of claim 30 wherein said substrate is transparent.

34. The display device of claim 30 wherein said substrate comprises at least one member selected from the group consisting of polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyethersulfone (PES), polycarbonate (PC), polysulfone, a phenolic resin, an epoxy resin, polyester, polyimide, polyetherester, polyetheramide, cellulose acetate, aliphatic polyurethanes, polyacrylonitrile, polytetrafluoroethylenes, polyvinylidene fluorides, poly(methyl x-methacrylates), an aliphatic or cyclic polyolefin, polyarylate (PAR), polyetherimide (PEI), polyethersulphone (PES), polyimide (PI), Teflon poly(perfluoro-alboxy) fluoropolymer (PFA), poly(ether ether ketone) (PEEK), poly(ether ketone) (PEK), poly(ethylene tetrafluoroethylene) fluoropolymer (PETFE), and poly(methyl methacrylate) acrylate/methacrylate copolymers (PMMA).

35. The display device of claim 30 wherein said substrate comprises polyethylene terephthalate (PET).

36. The display device of claim 30 wherein said substrate comprises polyethylene naphthalate (PEN).

37. The display device of claim 30 wherein said substrate comprises polyester.

38. The display device of claim 30 wherein said substrate comprises polyimide.

39. The display device of claim 30 wherein said substrate comprises cellulose acetate.

40. The display device of claim 30 wherein said substrate comprises aliphatic polyolefin.

41. The display device of claim 40 wherein said aliphatic polyolefin comprises high density polyethylene (HDPE), low density polyethylene (LDPE), polypropylene, and oriented polypropylene (OPP).

42. The display device of claim 30 wherein said substrate further comprises a hard coating.

43. The display device of claim 30 wherein said first transparent conductive layer comprises a primary metal oxide.

44. The display device of claim 43 wherein said first transparent conductive layer comprises indium tin oxide.

45. The display device of claim 43 wherein said first transparent conductive layer further comprises at least one secondary metal oxide.

46. The display device of claim 45 wherein at least one secondary metal oxide comprises at least one member selected from the group consisting of indium, titanium, cadmium, gallium-indium, niobium, tin, cerium, zirconium, hafnium or tantalum.

47. The display device of claim 43 wherein said first transparent conductive layer is patterned.

48. The display device of claim 30 wherein said cholesteric liquid crystal light modulating layer is a polymer dispersed cholesteric liquid crystal light modulating layer.

49. The display device of claim 30 wherein said at least one UV curable reflective conductive layer is patterned.

50. The display device of claim 30 wherein said at least one UV curable reflective conductive layer further comprises a different element.

51. The display device of claim 50 wherein said different element comprises at least one member selected from the group consisting of aluminum (Al), copper (Cu), nickel (Ni), cadmium (Cd), gold (Au), zinc (Zn), magnesium (Mg), tin (Sn), indium (In), tantalum (Ta), titanium (Ti), zirconium (Zr), cerium (Ce), silicon (Si), lead (Pb) or palladium (Pd).

52. The display device of claim 50 wherein said at least one UV curable reflective conductive layer comprises a gold/silver alloy.

53. The display device of claim 50 wherein said at least one UV curable reflective conductive layer comprises a layer of silver coated on one or both sides with a thinner layer of metal.

54. The display device of claim 30 wherein said at least one UV curable reflective conductive layer is printed.

55. The display device of claim 30 further comprising at least one functional layer.

56. The display device of claim 55 wherein said at least one functional layer is a dielectric layer.

57. The display device of claim 55 further comprising dielectric conductive row contacts.

58. The display device of claim 57 further comprising vias that permit interconnection between conductive layers and the dielectric conductive row contacts.

59. The display device of claim 55 wherein said at least one functional layer is a color contrast layer.

60. The display device of claim 59 wherein said color contrast layer is reflective.

61. The display device of claim 59 wherein said color contrast layer is a radiation absorbing layer.

62. The display device of claim 61 wherein said radiation absorbing layer is positioned between said light modulating layer and said UV curable reflective conductive layer.

63. The display device of claim 59 wherein said color contrast layer comprises a nano-pigmented layer.

64. The display device of claim 55 wherein said at least one functional layer is an antistatic layer.

65. The display device of claim 55 wherein said at least one functional layer is a protective layer.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 4, 2019
From: UNIVENTURE MANAGEMENT CONSULTING CO., LTD.
To: IRIS OPTRONICS CO., LTD.
Reel/Frame 047897/0060 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 3, 2019
From: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
To: UNIVENTURE MANAGEMENT CONSULTING CO., LTD.
Reel/Frame 047896/0888 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 18, 2007
From: EASTMAN KODAK COMPANY
To: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Reel/Frame 019834/0987 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 2, 2004
From: MANOS, JOHN
To: ELECTRONIC DATA SYSTEMS CORPORATION
Reel/Frame 015749/0200 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 13, 2004
From: STEPHENSON, STANLEY W.; KILBURN, JOHN I.; MARTIN, TERRY J.
To: EASTMAN KODAK COMPANY
Reel/Frame 015329/0814 →