Projector

Details Projector Projector

1993-09-28

1996-04-30

Dowling, William C.

Optics: image projectors

Composite projected image

Multicolor picture

353 34, 353 20, G03B 2100

Patent

active

055129676

ABSTRACT:
Light pre-polarized in a particular plane is divided into a plurality of paths, where each path includes a reflecting mirror, a dichroic mirror and a liquid crystal display. The light in each display is selectively modulated and combined for projection purposes. The displays are rubbed in directions coordinate with the display peripheries to enhance the contrast of the light passing through the display.

REFERENCES:
patent: 4864390 (1989-09-01), McKechnie et al.
patent: 5115305 (1992-05-01), Baur et al.
patent: 5200843 (1993-04-01), Karasawa et al.
patent: 5237435 (1993-08-01), Kurematsu et al.
patent: 5283599 (1994-02-01), Tejima et al.

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