REFLECTED TYPE OF PROJECTOR

摘要

PURPOSE: A reflected type of projector is provided to increase the brightness of a beam projected on a screen. CONSTITUTION: The reflected type of projector comprises a light source(110), a first and a second dichroic mirrors(131)(135) transmitting or reflecting an input beam according to a wavelength region; a first, a second and a third image generating unit(145)(155)(165) generating an image corresponding to each of colors; a first prism(143') positioned on a beam way between the first dichroic mirror and the first image generating unit; a second prism(153') positioned on a beam way between the second dichroic mirror and the second image generating unit; a third prism(163') positioned on a beam way between the third dichroic mirror and the third image generating unit; a dichroic beam sprinter(170'); a correction prism(190); and a projecting lens unit(180).