Reflection type liquid crystal display device

Details Reflection type liquid crystal display device Reflection type liquid crystal display device

1993-08-16

1996-06-11

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 87, 359 54, G02F 11335, G02F 11343

Patent

active

055261493

ABSTRACT:
When forming reflection electrodes on a thin film transistor which is a switching element, it is formed on irregular plural bumps, an organic insulating film possessing bumps corresponding to the bumps is formed, and the reflection electrodes are formed thereon. Since the reflection electrodes are formed on the organic insulating film, there is no effect of the thin film transistor, and the reflection electrodes may be formed as largely as possible in a range capable of maintaining the insulation between adjacent reflection electrodes, so that the opening rate may be enhanced to 90% or more.

REFERENCES:
patent: 4431272 (1984-02-01), Yazawa et al.
patent: 4456336 (1984-06-01), Chung et al.
patent: 4519678 (1985-05-01), Komatsubara et al.
patent: 5176982 (1993-01-01), Mikogami et al.
patent: 5418635 (1995-05-01), Mitsui et al.
D. White et al., Journal of Applied Physics, 45(11):4718-4733 (1974).
T. Koizumi et al., Proceedings of the SID, 29(2):157-160 (1988).

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