Projection display device

Details Projection display device Projection display device

2005-03-22

2005-03-22

Nguyen, Judy (Department: 2851)

Optics: image projectors

Lamp control

C353S094000, C353S031000

Reexamination Certificate

active

06869190

ABSTRACT:
A projection display device comprises a plurality of light sources which produce different primary colors of light, a plurality of display units each of which is driven by a video signal corresponding to one of the primary colors, receives light from one of the light sources which produces light corresponding to the one of the primary colors, and outputs video image light modulated by the video signal, a projection unit which projects video image light output from the display units, and a light source control unit configured to control the amount of light produced by each of the light sources independently.

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patent: 5632545 (1997-05-01), Kikinis
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patent: 20040027486 (2004-02-01), Fujiwara et al.
patent: 7-222185 (1996-08-01), None

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