Patent ID: 6322219
Filing Date: 2001-11-27
Classification: G03B,H04N

Abstract:
An optical device, comprising:illuminant means which is a primary illuminant;light condensing means for condensing outgoing rays from said illuminant means to form a secondary illuminant;uniforming means whose input end face is disposed in the vicinity of position where said secondary illuminant is formed and which outputs rays whose uniformity of intensity is higher than the rays incident to said input end face from its output end face;first lens means for condensing the outgoing rays of said uniforming means to form a plurality of tertiary illuminants within an optical path; anda reflecting optical element which is disposed in the vicinity of position where said plurality of tertiary illuminants are formed and which has reflecting planes of the shape corresponding to respective ones of said plurality of tertiary illuminants to reflect the outgoing rays of said first lens means in a desired direction.