Metal halide reflector lamp with beam color homogenizer

Details Metal halide reflector lamp with beam color homogenizer Metal halide reflector lamp with beam color homogenizer

2011-04-12

2011-04-12

Roy, Sikha (Department: 2879)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Reflector

C313S318110, C313S634000, C313S637000, C313S638000, C313S489000, C362S263000, C362S268000

Reexamination Certificate

active

07923908

ABSTRACT:
A novel metal halide reflector lamp is described wherein the reflector lamp has a passive optical element to scramble, color mix, and otherwise commingle the light emitted by the metal halide burner. The optical element is placed close to the radiating plasma volume to intercept a large solid angle. Preferably, the optical element substantially intercepts the emitted light within a solid angle that has its vertex at the center of the discharge volume of the burner and is subtended by the open end of the reflector. The optical element can be designed to scatter, reflect or refract the light emanating in this solid angle which otherwise would not impinge on the primary optical control surface of the reflector.

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U.S. Appl. No. 11/511,832, filed Aug. 29, 2006.

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