Integrator of optical device

Details Integrator of optical device Integrator of optical device

2006-04-18

2006-04-18

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S251000, C359S485050

Reexamination Certificate

active

07031066

ABSTRACT:
An integrator of an optical device using a color drum is disclosed. The integrator includes an opening receiving a light generated from a lamp, an optical path part reflecting and passing forward the light received at the opening, a mirror part refracting and totally reflecting the light passed through the optical path part and changing a direction of the light being transmitted, a polarization plate transmitting light rays having a constant polarization direction, among the reflected light, and reflecting remaining light rays having other polarization directions, and a wave plate changing a phase of the light reflected from the polarization plate.

REFERENCES:
patent: 4974919 (1990-12-01), Muraki et al.
patent: 5153773 (1992-10-01), Muraki et al.
patent: 2002/0036833 (2002-03-01), Miyata et al.
patent: 10-2003-0004778 (2001-07-01), None

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