Illumination apparatus and projector

Details Illumination apparatus and projector Illumination apparatus and projector

1998-10-23

2000-07-18

Spyrou, Cassandra

Illumination

Light source and modifier

Including selected wavelength modifier

362296, 362302, 362303, 362304, G03B 2116

Patent

active

060897309

ABSTRACT:
An illumination apparatus includes a lamp, and a holding member for rotatably holding the lamp about its optical axis as a rotational axis. An projector includes the illumination apparatus, a first optical system for separating white light from the illumination apparatus into light of red, green and blue, a first panel for modulating the light of red per each pixel, a second panel for modulating the light of green per each pixel, a third panel for modulating the light of blue per each pixel, a projection lens, and a second optical system for superimposing the modulated light of red, green and blue on a display surface, such as a screen, in cooperation with the projection lens.

REFERENCES:
patent: 5313234 (1994-05-01), Edmonson et al.

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