Dual light valve color projector system

Details Dual light valve color projector system Dual light valve color projector system

1996-04-02

1998-07-14

Gross, Anita Pellman

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

349 57, G02F 11335

Patent

active

057812527

ABSTRACT:
The present invention relates to a light valve projector in which a pair of high resolution active matrix transmission displays are used with a light source, coupling optics and a projection lens to provide a compact video or data presentation system. A preferred embodiment of the system comprises a two light valve system and a lamp within a compact housing where light from the lamp is directed through two active matrix displays using a pair of diffractive optical elements.

REFERENCES:
patent: Re25169 (1962-05-01), Glenn et al.
patent: 4995702 (1991-02-01), Aruga
patent: 5172254 (1992-12-01), Atarashi et al.
patent: 5231432 (1993-07-01), Glenn
patent: 5355188 (1994-10-01), Biles et al.
patent: 5506701 (1996-04-01), Ichikawa
patent: 5615024 (1997-03-01), May et al.

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