| 摘要 |
<p>A projection type image display apparatus which includes a light source, a first optical means situated along an optical path between the light source and the transmissive display device so as to converge the light rays from the light source and enable the principal light rays to enter the transmissive display device in parallel with each other, a second optical means disposed on an opposite side to the light source with respect to the transmissive display device so as to converge the light rays from the transmissive display device, and a third optical means disposed near a rear focus of the second optical means so as to project a transmitted light image on a screen. <IMAGE></p> |
