| 摘要 |
A rear projection display apparatus includes a transmission type screen and a video projector. The transmission type screen is installed on the front face of an apparatus main body. The video projector is disposed inside the apparatus main body and projecting video on the transmission type screen from the rear side. The transmission type screen includes a quadrangular lens sheet and is configured such that a plurality of pull portions provided along horizontal and longitudinal sides of the lens sheet are pulled upward and downward, and leftward and rightward, respectively, by a pulling device provided to extend along the circumference of the lens sheet and the number of the pull portions on the horizontal sides of the lens sheet and the number of the pull portions on the vertical sides of the lens sheet are set so as to correspond to a ratio of a horizontal side length to a vertical side length of the lens sheet.
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