Device for the display of color images

Details Device for the display of color images Device for the display of color images

1991-10-09

1993-07-20

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 37, 359 49, 359 87, G02F 1133

Patent

active

052298744

ABSTRACT:
The disclosure relates to color image display devices in which the light is modulated spatially by a liquid crystal display screen, and is designed to improve the luminous efficiency and resolution of the color image in display devices of this kind. The disclosed display device includes a light source and a liquid crystal display screen. Each cell of the liquid crystal display screen has means to modulate the two orthogonal polarizations of light independently of each other.

REFERENCES:
patent: 3981559 (1976-09-01), Channin
patent: 4497543 (1985-02-01), Aoki et al.
patent: 4611889 (1986-09-01), Buzak
patent: 4877309 (1989-10-01), Takamatsu
patent: 4991941 (1991-02-01), Kalmanash
R. S. Vatne et al., "New LC/CRT Field Sequential Color Display" Proceeding of the SID, vol. 25, No. 1, 1984.
Patent Abstracts of Japan, vol. 12, No. 406 (P-777), Oct. 27, 1988, & JP-A-63-144 326, Jun. 16, 1988, T. Toshiaki, "Color Liquid Crystal Display Device".
Patent Abstracts of Japan, vol. 12, No. 477 (P-800), Dec. 14, 1988, & JP-A-63 195 624, Aug. 12, 1988, T. Toshiaki, "Color Liquid Crystal Display Device".

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