| 摘要 |
PROBLEM TO BE SOLVED: To provide a projector constituted so that a polarizing plate on the exit side of a liquid crystal panel may be effectively cooled, and having excellent durability and also excellent image quality. SOLUTION: As for the three-panel system liquid crystal projector using three liquid crystal panels 40R, 40G and 40B, the exit side polarizing plates 42R, 42G and 42B are separately arranged facing the incident surfaces constituted of the side surfaces of the cross dichroic prism 51, and liquid cooling means 70 filled with cooling liquid are separately arranged between the exit side polarizing plates 42R, 42G and 42B and the incident surfaces of the cross dichroic prism 51.
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