Diffusing matrix liquid crystal display screen

Details Diffusing matrix liquid crystal display screen Diffusing matrix liquid crystal display screen

1995-06-16

1997-04-01

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349110, G02F 11343

Patent

active

056172311

ABSTRACT:
A liquid crystal display screen which includes a first transparent plate covered with an electrode array and a second transparent plate covered with a counter-electrode. A liquid crystal film is inserted between the first and second plates. Further, either of the first or second transparent plates is covered with a material coating which diffuses ambient light with a brightness which exceeds a brightness of the liquid crystal film in the absence of excitation. This coating may take the form of a metal, a white mineral pigment or a polymer film which contains surface microcracks. Such a liquid crystal display screen as in the present invention may find particular applications to terminals, computers, pocket calculators, etc.

REFERENCES:
patent: 3832034 (1974-08-01), Edmonds
patent: 4824213 (1989-04-01), Morokawa
patent: 4867537 (1989-09-01), Aoki et al.
Patent Abstracts of Japan, vol 13, No. 324 (P-903), Jul. 21, 1989, JP-1-092722, Apr. 12, 1989.
Patent Abstracts of Japan, vol. 8, No. 17 (E-223), Jan. 25, 1984, JP-58-180053, Oct. 21, 1983.

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