| 摘要 |
A display optical apparatus has an illumination optical system, a light modulating device, a projection optical system, and pixel shifting means. The illumination optical system includes a color separator, and emits, as illumination light, light polarized uniformly in a predetermined polarization direction after separating it by the color separator in such a way that light components of different wavelength ranges travel in different directions. The light modulating device has a display surface on which an optical image to be illuminated with the illumination light is displayed, and has, on the display surface, pixels corresponding to three primary colors, namely R, G, and B, arranged in a recurring pattern. The projection optical system focuses projection light exiting from the light modulating device on an image plane. The pixel shifting means shifts the projection light focused on the image plane by a predetermined number of pixels at a time. The illumination light is composed of light beams of three primary colors, namely R, G, and B, arranged in a recurring pattern, and light beams of identical colors illuminate a plurality of adjacent pixels of corresponding colors on the display surface of the light modulating device.
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