Projection type liquid crystal displaying device

Details Projection type liquid crystal displaying device Projection type liquid crystal displaying device

1987-05-12

1989-08-29

Miller, Stanley D.

Optics: image projectors

Plural projection paths with single light source

350338, 350337, 350408, 353 34, 353 37, G02F 113, G02F 123, G03B 2126

Patent

active

048611425

ABSTRACT:
Light emitted from a single light source is split into beams of bidirectional parallel light which are orthogonal to each other. Beams of the parallel light in each direction are reflected by a reflection optical system in such a direction that they become orthogonal to each other. A dichroic mirror is disposed at a point of intersection thereof and liquid crystal panels are provided between each individual reflection optical system and the dichroic mirror resulting in a low cost device which can be structurally miniaturized and which requires less process steps in fabrication.

REFERENCES:
patent: 4256368 (1981-03-01), Task
patent: 4345258 (1982-08-01), Tsai et al.
patent: 4796978 (1989-01-01), Tanaka et al.

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