Liquid-crystal projector having a mirror with a specific tilt ad

Details Liquid-crystal projector having a mirror with a specific tilt ad Liquid-crystal projector having a mirror with a specific tilt ad

1998-09-03

2000-08-01

Malinowski, Walter

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

349 8, 353 69, 353 98, G02F 11335, G03B 2100, G03B 2128

Patent

active

060974494

ABSTRACT:
A light projector is disclosed that enables a bright display image to be presented with minimum waste of useable light. By arranging at least one light directing means, such as a mirror or a reflecting prism, on an optical path between a light source and a light modulator, and by supporting the light directing means using a support that enables the orientation of the light directing means to be rotatably adjusted, the position of a light spot which illuminates the modulator is made to be adjustable in position, thereby enabling the intensity of the light spot on the modulator to be maximized while minimizing vignetting of the light spot by the modulator.

REFERENCES:
patent: 4735500 (1988-04-01), Grunwald
patent: 5743611 (1998-04-01), Yamaguchi et al.
patent: 5836664 (1998-11-01), Conner et al.
patent: 5903388 (1999-05-01), Sedlmayr

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