Patent ID: 6350033
Filing Date: 2002-02-26
Classification: G03B

Abstract:
A projector, comprising:a light source; a color separation optical system that includes a plurality of optical elements and separates a light emitted from the light source into a plurality of color lights; an optical component housing that holds the plurality of optical elements; a plurality of optical modulation devices, each of the optical modulation devices modulates the color light separated by the color separation optical system; a prism that synthesizes the color light modulated by the optical modulation devices; a projection lens that projects a light synthesized by the prism; an enclosing box that encloses an optical path from the plurality of optical modulation devices to the projection lens, the enclosing box accommodates the plurality of optical modulation devices and the prism, and the enclosing box is provided separately from the optical component housing; a pipe attached to the enclosing box, an air inside the enclosing box circulates through the pipe; and an outer casing that accommodates the light source, the optical component housing, the enclosing box, and the pipe.