| 摘要 |
A liquid crystal projector device of the present invention has a liquid crystal panel and a polarizing plate oppositely arranged on each optical path of light of three primary colors, and a rectangular optical compensation sheet for compensating birefringence of liquid crystal molecules in the liquid crystal panel, which is held by an optical compensation sheet holder and arranged between the liquid crystal panel and the polarizing plate. The optical compensation sheet holder includes a frame for holding the optical compensation sheet, and a turning member, which holds the frame turnably on a rotation axis approximately parallel to one of a pair of diagonals of the liquid crystal panel, and is attached to an end edge of an optical system holding case for holding an optical system turnably on a rotation axis perpendicular to the optical compensation sheet.
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