Color LCD having particular parameters for LC layer, retarder, c

Details Color LCD having particular parameters for LC layer, retarder, c Color LCD having particular parameters for LC layer, retarder, c

1997-06-12

2000-10-10

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349117, 349181, G02F 11335, G02F 113

Patent

active

061307343

ABSTRACT:
A liquid crystal device comprises a liquid crystal cell having a liquid crystal material sandwiched between a pair of substrates, the liquid crystal material having a retardation less than 1 .mu.m, a polymer film comprised of an optically anisotropic substance disposed on one of the substrates opposite the liquid crystal material, a color polarizing plate disposed on the polymer film opposite the one substrate, and a polarizing plate disposed on the other of the substrates opposite the liquid crystal material. The liquid crystal material preferably comprises a super twisted nematic liquid crystal material, and the color polarizing plate preferably comprises a red, green or blue polarizing plate.

REFERENCES:
patent: 4984874 (1991-01-01), Yamamoto et al.
patent: 5124824 (1992-06-01), Kozaki et al.
patent: 5325218 (1994-06-01), Willet et al.
patent: 5550660 (1996-08-01), Yang
patent: 5751385 (1998-05-01), Heinze
patent: 5838408 (1998-11-01), Inoue et al.

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