Liquid crystal projection display device with mirror

Details Liquid crystal projection display device with mirror Liquid crystal projection display device with mirror

1993-01-06

1994-05-10

Cuchlinski, Jr., William A.

Optics: image projectors

Composite projected image

Reflector between lamp and screen

353 31, G03B 2128

Patent

active

053112270

ABSTRACT:
A projection display device comprising three projection lenses arranged in a row in a side by side relationship and having respective optical axes extending toward a screen, and three liquid crystal display panels forming images of red, green and blue color lights, the liquid crystal display panels and the projection lenses being arranged to form sets individually. A mirror is arranged between the display element and the projection lens of at least one of the sets. Accordingly, one of the display elements is arranged so as to face in a first direction and the adjacent display element so as to face in a second direction. It is thus possible to reduce the distance between the adjacent projection lenses even if the size of the liquid crystal display panels is enlarged.

REFERENCES:
patent: 4679069 (1987-07-01), Andrea et al.
patent: 5042921 (1991-08-01), Sato et al.
patent: 5105265 (1992-04-01), Sato et al.
Color Liquid Crystal Display, Dec. 14, 1990, pp. 201 to 203.

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