Color composing optical system

Details Color composing optical system Color composing optical system

1998-07-13

1999-08-31

Sikes, William L.

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

349 5, 349 57, 353 31, G02F 11335, G03B 2100

Patent

active

059460563

ABSTRACT:
In order to obtain an image without a registration shift, there is provided a color composing optical system which comprises a liquid crystal light valve having a plurality of pixels and a cross dichroic prism for color-composing the light beams emitted from the liquid crystal light valve, characterized in that the following equation is satisfied:

REFERENCES:
patent: 4943154 (1990-07-01), Miyatake et al.
patent: 4969731 (1990-11-01), Ogino et al.
patent: 5105265 (1992-04-01), Sato et al.
patent: 5764412 (1998-06-01), Suzuki et al.
patent: 5808795 (1998-09-01), Shimomura et al.

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