OPTICAL UNIT AND REFLECTION TYPE PROJECTOR DEVICE USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a reflection type projector device restraining the irregularity of color performance by a dichroic film to be small and realizing the prolongation of the life of a lamp. SOLUTION: After luminous flux emitted from the lamp is reflected by a reflector, the luminoius flux is reflected by a time division type color separation means, passes through a panel and a projection lens and reaches a screen surface.