| 摘要 |
A projector includes a light source unit for emitting white light, a color wheel 71, a display device, a cooling fan, a light source side optical system for guiding light from the light source unit to the display device, a projection side optical system for projecting an image emitted from the display device on to a screen and a projector control unit for controlling the light source and the display device, wherein the color wheel 71 has a plurality of segment areas, and on each segment area, a coating which transmits light of a wavelength band of a complementary color is applied to one side, while a coating which transmits light of a wavelength band of a primary color is applied to part of the other side.
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