| 摘要 |
In a projection type image display apparatus, a projector optical unit for projecting an image onto a screen (6) while magnifying a size of the image to be projected with respect to an original size of the image displayed by an image forming element (27), has a group of lenses (2, 3) for magnifying the size of the image with respect to the original size thereof, and an optical path extending from the image forming element (27) to the screen (6) to transmit the image along the optical path Preferably the screen is translucent and the image is projected obliquely onto its reverse side. Preferably the image forming element comprises liquid crystal panels and a cross-prism. |
