| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a liquid crystal projector easily assembled and projecting an excellent picture to a screen. <P>SOLUTION: A prism substrate 22d to which the base of a compound prism 15 is attached, a 3rd frame 22a facing a 3rd side surface of the prism 15, a 1st frame 22b facing the 1st side surface of the prism 15 and a 2nd frame 22c facing the 2nd side surface of the prism 15 are formed on a substrate 22. A lens barrel 17 holding a front group lens is attached to the 3rd frame 22a. A holding frame 5 holding a 1st rear group lens 4 is screwed on the 1st frame 22b, and a holding frame 10 holding a 2nd rear group lens 9 is screwed on the 2nd frame 22c. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
