Claims
- 1. A liquid crystal display device comprising:a pair of substrates, at least one of which is transparent; a liquid crystal layer interposed between said pair of substrates; an electrode structure formed on one of said pair of substrates for generating an electric field in said liquid crystal layer, said electrode structure including at least one common electrode and at least one pixel electrode; a gate insulating film formed on said one common electrode; an insulation layer formed on said gate insulating film; and an orientation film formed on said insulation layer; wherein a sum of thickness of said gate insulating film, said insulation layer and said orientation film is no greater than about 2.8 μm.
- 2. A liquid crystal display device according to claim 1, wherein said sum of thickness of said gate insulating film, said insulation layer and said orientation film is sufficient to enable display by said liquid crystal display device and is no greater than about 2.8 μm.
- 3. A liquid crystal display device according to claim 1, wherein said gate insulating film is formed on said at least one common electrode without being formed on said at least one pixel electrode.
- 4. A liquid crystal display device according to claim 1, wherein said insulation layer formed on said gate insulating film is a passivation layer.
- 5. A liquid crystal display device according to claim 1, wherein said electrode structure generates said electric field having a component substantially in parallel with said one of said pair of substrates.
- 6. A liquid crystal display device comprising:a pair of substrates, at least one of which is transparent; a liquid crystal layer interposed between said pair of substrates; an electrode structure formed on one of said pair of substrates for generating an electric field in said liquid crystal layer, said electrode structure including at least one common electrode and at least one pixel electrode; a gate insulating film formed on said at least one common electrode; an insulation layer formed on said gate insulating film; and an orientation film formed on said insulation layer; wherein a sum of thickness of said gate insulating film, said insulation layer and said orientation film is in the range of about 0.4 μm and 2.8 μm.
- 7. A liquid crystal display device according to claim 6, wherein said gate insulating film is formed on said at least one common electrode without being formed on said at least one pixel electrode.
- 8. A liquid crystal display device according to claim 6, wherein said insulation layer formed on said gate insulating film is a passivation layer.
- 9. A liquid crystal display device according to claim 6, wherein said electrode structure generates said electric field having a component substantially in parallel with said one of said pair of substrates.
- 10. A liquid crystal display device having a plurality of switching elements, comprising:a pair of substrates, at least one of which is transparent; a liquid crystal layer interposed between said pair of substrates; an electrode structure formed on one of said pair of substrates for generating an electric field in said liquid crystal layer, said electrode structure including at least one common electrode; an insulating film formed on said at least one common electrode; and an orientation film formed on said insulating film; wherein a sum of thickness of said insulating film and said orientation layer is no greater than about 2.8 μm.
- 11. A liquid crystal display device according to claim 10, wherein said sum of thickness of said insulating film and said orientation layer is sufficient to enable display by said liquid crystal display device and is no greater than about 2.8 μm.
- 12. A liquid crystal display device according to claim 10, wherein said sum of thickness of said insulating film and said orientation layer is in the range of about 0.4 μm to about 2.8 μm.
- 13. A liquid crystal display device according to claim 10, wherein said electrode structure generates said electric field having a component substantially in parallel with said one of said pair of substrates.
- 14. A liquid crystal display device according to claim 1, wherein said sum of thickness of said gate insulating film, said insulation layer and said orientation film enables residual images to be substantially eliminated.
- 15. A liquid crystal display device according to claim 6, wherein said sum of thickness of said gate insulating film, said insulation layer and said orientation film enables residual images to be substantially eliminated.
- 16. A liquid crystal display device according to claim 10, wherein said sum of thickness of said insulating film and said orientation layer enables residual images to be substantially eliminated.
Priority Claims (2)
Number |
Date |
Country |
Kind |
5-233262 |
Sep 1993 |
JP |
|
5-254028 |
Oct 1993 |
JP |
|
CROSS REFERENCE TO RELATED APPLICATION
This is a continuation of U.S. application Ser. No. 09/336,689, filed Jun. 21, 1999, which is a continuation of U.S. application Ser. No. 08/770,728, filed Dec. 19, 1996, now U.S. Pat. No. 5,914,761, issued Jun. 22, 1999, which is a continuation of U.S. application Ser. No. 08/309,157, filed Sep. 20, 1994, now U.S. Pat. No. 5,600,464, issued Feb. 4, 1997, the subject matter of which is incorporated by reference herein.
US Referenced Citations (11)
Foreign Referenced Citations (4)
Number |
Date |
Country |
A 0 420 340 |
Apr 1991 |
EP |
52-41543 |
Mar 1977 |
JP |
54-43759 |
Apr 1979 |
JP |
57-618 |
Jan 1982 |
JP |
Non-Patent Literature Citations (1)
Entry |
Bahador, “Liquid Crystals Applications and Devices”, vol. 1, pp. 171-194, 1991. |
Continuations (3)
|
Number |
Date |
Country |
Parent |
09/336689 |
Jun 1999 |
US |
Child |
09/910926 |
|
US |
Parent |
08/770728 |
Dec 1996 |
US |
Child |
09/336689 |
|
US |
Parent |
08/309157 |
Sep 1994 |
US |
Child |
08/770728 |
|
US |