Illumination apparatus and projector display apparatus
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United States of America Patent
Stats
-
Jan 31, 2006
Grant Date -
Jul 1, 2004
app pub date -
Aug 6, 2003
filing date -
Aug 7, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An illumination apparatus comprise a light control member configured to perform changing the path of light from light emitters to be directed to an illuminated area and/or moving of the light emitters, a movement unit configured to allow the light control member to operate, and a light selector control unit configured to control the movement unit and/or a lighting unit, which is configured to cause the light emitters to emit light so that the intensities of light emitted by them can be adjusted, so as to select light to be directed to the illuminated area from light of the emitters. The light selector control unit controls the lighting unit to cause an emitter to emit light when it is positioned in the vicinity of a light concentration area of an optical system by the operation of the light control member.
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Cited Art Landscape
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