| 摘要 |
A projector includes: a light source device, a color-separating optical system for separating a light beam irradiated by the light source device into a plurality of color light components, a plurality of optical modulators for modulating each of the separated color light components in accordance with image information, a color-combining optical device for combining optical images modulated by the plurality of optical modulators and a projection optical device for projecting the combined optical images in an enlarged manner. An optical filter that reflects a predetermined spectral component of the light beam and transmits the other spectral component is disposed in an optical path between the light source device and the optical modulators The optical filter is disposed such that a light-irradiation side surface for irradiating the light beam is inclined by a predetermined angle relative to a plane orthogonal to an optical axis of the light beam.
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