| 摘要 |
For generating a plurality of light beams having different colors, time sequentially switching the light beams, illuminating a space modulation unit with the light beam, and projecting light modulated by and emitted from the space modulation unit, a white light illumination period is provided during a period between illumination periods for the plurality of light beams having different colors. An inexpensive and high quality image display apparatus is provided without using specific electronic circuits and space modulation unit and without using optical systems of high performance and large scale.
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