| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a projector device which can be assembled while accurately and surely aligning a light modulation element, a prism for compositing and a projection lens. SOLUTION: This projector device is provided with a prism holder 17 holding the prism for compositing 14 and a lens holder 22 holding the projection lens 15 and holding the holder 17. The holder 17 is provided with a 1st alignment part 120 and fixed by being aligned with one end surface and the other end surface of the opposed prism 14 except the incident surface thereof on which the each of color light beams is made incident and the emitting surface thereof from which synthesized luminous flux is emitted toward a projection optical means 15 side. The holder 22 is provided with a 2nd alignment part 140 aligned and fixed by being engaged in the 1st alignment part of the holder 17.</p> |
