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PROJECTOR

  • US 20120182486A1
  • Filed: 12/15/2011
  • Published: 07/19/2012
  • Est. Priority Date: 01/14/2011
  • Status: Active Grant
First Claim
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1. A projector comprising:

  • a lighting device that emits light of a plurality of different colors;

    a plurality of liquid crystal light valves that modulate the light of a plurality of colors;

    a color synthesizing optical system that synthesizes the color light modulated by the plurality of liquid crystal light valves; and

    a projection optical system that projects the light synthesized by the color synthesizing optical system to a projection target face,wherein a cell thickness of one liquid crystal light valve modulating light of one color of the plurality of liquid crystal light valves is smaller than a cell thickness of the other liquid crystal light valves modulating the light of other colors, and an alignment state of liquid crystal at the time of applying the maximum gradation voltage is substantially the same in one liquid crystal light valve and the other liquid crystal light valve.

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