High intensity discharge lamp

Details High intensity discharge lamp High intensity discharge lamp

2011-02-22

2011-02-22

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

C445S026000

Reexamination Certificate

active

07893619

ABSTRACT:
A lamp includes a discharge sustaining fill which includes mercury halide, cesium halide, optionally one of indium halide and thallium halide, and a rare earth halide component selected from dysprosium halide, holmium halide, and thulium halide. In operation without a jacket, the lamp may have a color temperature of about 5300K to 6000K, a color rendering index of at least about 92 and an efficacy of at least about 85 LPW.

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