Optical device and projector
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United States of America Patent
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Sep 18, 2007
Grant Date -
Aug 25, 2005
app pub date -
Dec 27, 2004
filing date -
Dec 26, 2003
priority date (Note) -
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Abstract
An optical device body (440) includes: three optical modulator holders (446) respectively holding three liquid crystal panels (441) and having cooling chambers with cooling fluid sealed therein to respectively cool the three liquid crystal panels (441) with the cooling fluid in the respective cooling chambers; a plurality of fluid circulators (448) intercommunicated with the three optical modulator holders (446) to guide the cooling fluid to the outside of the respective cooling chambers and re-introduce the cooling fluid into the respective cooling chambers; and a flow volume changer (449) disposed in a flow path of the cooling fluid and capable of changing flow volumes of the cooling fluid flown into the respective optical modulator holders (446) in accordance with heat values of the three liquid crystal panels (441).
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