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1. WO1999000695 - STRUCTURE D'ELECTRODE DE TYPE FIL ET AFFICHEUR A CRISTAUX LIQUIDES UTILISANT LADITE STRUCTURE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

WHAT Tfi CT.AIMED TS:

1. A two-terminal active wire apparatus comprising:
at least one conductive wire;
at least one substantially insulating layer and/or at least one semiconductor layer on the surface of said conductive wire;
at least one electrode on said first layer;
said conductive wire, said layer (s) and said electrode forming a diode;
means applying a first voltage across said conductive wire and the electrode to turn on the diode, and applying a second voltage across said conductive wire and the electrode to turn off the diode.

2. The apparatus of claim 1, further comprising a substrate supporting said wire.

3. The apparatus of claim 2, wherein said substrate comprises glass or plastic.

4. The apparatus of claim 2 , wherein said wire is fixed on the substrate or enclosed partially by said substrate .

5. The apparatus of claim 4, said substrate having a surface and a groove in the surface, wherein said wire is in the groove.

6. The apparatus of claim 2, further comprising a UV cured adhesive connecting the wire onto the substrate .

7. The apparatus of claim 1, wherein said conductive wire includes Ta or Cr, and said at least one insulating layer and/or said at least one semiconductor layer includes Ta205, or SiNx or organic layer.

8. The apparatus of claim 1, wherein said at least one electrode includes indium-tin-oxide (ITO) , Ta or Cr.

9. A three-terminal active wire apparatus comprising :
at least one conductive wire;
at least one substantially insulating layer and/or at least one semiconductor layer on the surface of said conductive wire;
two electrodes on said at least one substantially insulating layer and/or said at least one semiconductor layer;
said conductive wire, said at least one substantially insulating layer and/or said at least one semiconductor layer and said electrodes forming a transistor;
means applying a first voltage to said conductive wire to turn on the transistor, and a second voltage to said conductive wire to turn off the transistor.

10. The apparatus of claim 9, further comprising a substrate, wherein said wire is fixed on the substrate or enclosed partially by said substrate.

11. The apparatus of claim 10, wherein said substrate is either glass or plastic.

12. The apparatus of claim 9, wherein said conductive wire comprises Ta or Cr, said at least one insulating layer comprising Ta205 or SiNx, and/or said at least one semiconductor layer comprising amorphous-Si (α-Si) , poly-Si or CdSe .

13. The apparatus of claim 9, wherein said electrodes comprise an indium-tin-oxide (ITO) , or a metal material .

14. A liquid crystal display device, comprising: a first layer of liquid crystal material;
at least one first electrode on a first side of the liquid crystal layer;
at least one conductive wire on a second side of the liquid crystal layer opposite to the at least one electrode;
at least one substantially insulating or semiconductor second layer over said at least one conductive wire;
at least one array of electrodes over said second layer;
said at least one conductive wire, said second layer and said at least one array of electrodes forming a plurality of switches for altering electrical potential or potentials of the electrode array; and means for turning the switches on and off, and for applying an electrical signal to the at least first electrode, to affect light transmittance of the liquid crystal layer.

15. The device of claim 14, wherein said at least one conductive wire, said first layer and said electrode array form a plurality of diodes.

16. The device of claim 15, said device comprising at least one row of column electrodes on said first side of the liquid crystal layer.

17. The device of claim 16, said array of electrodes overlapping said row of column electrodes in a viewing direction to define a row of liquid crystal cells .

18. The device of claim 16, further comprising a transparent substrate, wherein said at least one conductive wire is supported on said substrate, said row of column electrodes comprising separated transparent electrodes .

19. The device of claim 18, wherein said electrode array forms a conductive third layer extending over the substrate.

20. The device of claim 14, said second layer being an insulating layer, said device further comprising at least one semiconductor layer between the at least one second layer and the electrode array wherein said at least one conductive wire, the at least one second layer, the at least one semiconductor layer and the electrode array form a plurality of transistors.

21. The device of claim 20, said electrode array comprising at least one conductive layer, wherein extent of at least some of the electrodes in the array defines liquid crystal cells.

22. The device of claim 14, further comprising a transparent substrate having a groove on a surface, wherein said at least one conductive wire is in the groove of said substrate.

23. The device of claim 14, further comprising a transparent face plate, said at least one first electrode on said first side being a transparent electrode over said face plate.

24. The device of claim 14, further comprising two polarizers .

25. The device of claim 14, further comprising a color filter array.

26. The device of claim 14, further comprising a back light.

27. The device of claim 14, said device having a reflective surface.

28. The device of claim 27, said reflective surface being the surface of the at least one conductive layer.

29. The device of claim 28, wherein said at least one conductive layer is a defusing reflector or a mirror reflector.

30. The device of claim 14, wherein said at least one array of electrodes are transparent, said device further comprising a defusing reflector for reflecting light through said at least one array.

31. The device of claim 14, wherein said liquid crystal first layer comprises a polymer dispersed on liquid crystal.

32. A method for making a liquid crystal display, comprising the steps of:
providing at least one conductive wire;
forming a substantially insulating and/or semiconductor first layer on said at least one wire;
attaching said at least one wire and/or the first layer to a substrate;

forming an electrode array over said at least one first layer; and
placing a liquid crystal second layer and an electrode third layer adjacent to said electrode array.

33. The method of claim 32, wherein said first layer forming step includes anodizing said wire and annealing the anodized wire.

34. The method of claim 33, said annealing step annealing the wire in a temperature in a range of about 100 to 1000 degrees Centigrade.

35. A liquid crystal display device, comprising: a layer of liquid crystal material;
at least one electrode on one side of the liquid crystal layer;
an array of switches on the side of the liquid crystal layer opposite to the at least one electrode, said switches comprising at least one electrode array and at least one wire coupled to the at least one electrode array; and
means for applying electrical potentials to the at least one electrode and the at least one wire.

36. The device of claim 35, further comprising a substrate supporting said at least one wire, said wire formed independently of and attached to said substrate, said substrate comprising plastic or glass.

37. The device of claim 35, said switches including two terminals or three terminals, said wire and said electrode array forming two of the terminals of the switches .

38. The device of claim 35, further comprising a back light.

39. The device of claim 35, the at least one wire coupled to the at least one electrode array so that, when a first voltage is applied to the at least one wire, the switches are turned on to charge said electrode array to desired voltages, and when a second voltage is applied to the at least one wire, the switches are turned off so that said electrode array remains at said desired voltages.

40. A switching device, comprising:
an array of switches comprising an electrode array and at least one wire coupled to the array; and
means for applying electrical potentials to said electrode array and said at least one wire.

41. The device of claim 40, further comprising a substrate supporting said at least one wire, said at least one wire formed independently of and attached to said substrate, said substrate comprising plastic or glass.

42. The device of claim 40, said switches including two terminals or three terminals, said wire and said electrode array forming two of the terminals of the switches.

43. The device of claim 40, the at least one wire coupled to the at least one electrode array so that, when a first voltage is applied to the at least one wire, the switches are turned on to charge said electrode array to desired voltages, and when a second voltage is applied to the at least one wire, the switches are turned off so that said electrode array remain at said desired voltages.