| 摘要 |
A projector apparatus comprises: a light modulation optical system which separates white light into a plurality of light components with respective wavelength bands, controls the intensity of each of the plurality of light components, and then composes the controlled plurality of light components; a projection lens for projecting the light composed in the light modulation optical system; a light source optical system for permitting the white light to exit therefrom, the light source optical system being disposed so that the optical axis of the light source optical system is displaced relative to the optical axis of the light modulation optical system; and a focusing lens which is disposed so that the optical axis of the focusing lens is coincident with the optical axis of the light modulation optical system, for focusing the light output from the light source optical system and inputting the focused light into the light modulation optical system. By virtue of this construction, the projector apparatus can realize a small apparatus size, a thin apparatus thickness and projected images which have high illuminance and have no significant color shading.
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