| 摘要 |
An illuminating light incidence mirror for introducing an illuminating light to reflection-type liquid crystal panels is provided in one of two pupil division regions constituting a pupil region of a projection lens, and reflected lights directly reflected by the reflection-type liquid crystal panels are transmitted through the other pupil division region of the projection lens and projected. In dark display, the reflected lights from the reflection-type liquid crystal panels and surface-reflected lights reflected by surfaces of the reflection-type liquid crystal panels are blocked by polarizing plates. Further, since lambd/4 plates and the polarizing plates are provided at inclinations with respect to the reflection-type liquid crystal panels, respectively, projection of surface-reflected lights from the lambd/4 plates and the polarizing plates onto a screen can be avoided.
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