Liquid crystal display device and liquid crystal projection disp

Details Liquid crystal display device and liquid crystal projection disp Liquid crystal display device and liquid crystal projection disp

1995-04-24

1998-06-02

Sikes, William L.

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

349 58, G02F 11335

Patent

active

057608490

ABSTRACT:
A liquid crystal display device comprises a light source, a diffusion plate for diffusing light beams emitted from the light source, and a liquid crystal panel for forming an image thereon as a result of a variation in scattering efficiency wherein the diffusion plate and liquid crystal panel are separately arranged with a distance between them, thereby the liquid crystal panel being illuminated by the diffused light beams uniformly, and a liquid crystal projection display device further comprises a color separator, a light deflector, a projector lens assembly and apertures having a shape similar to an image of the light source formed near the pupil of the projector lens assembly.

REFERENCES:
patent: 3744878 (1973-07-01), Kiemle et al.
patent: 5128783 (1992-07-01), Abileah et al.
patent: 5161041 (1992-11-01), Abileah et al.
patent: 5329388 (1994-07-01), Yoshimizu
patent: 5379137 (1995-01-01), Hirai et al.
patent: 5396350 (1995-03-01), Beeson et al.

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