Discharge lamp with high color temperature

Details Discharge lamp with high color temperature Discharge lamp with high color temperature

2006-11-09

2009-02-03

Roy, Sikha (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

C313S637000, C313S571000

Reexamination Certificate

active

07486026

ABSTRACT:
A lamp includes a discharge sustaining fill which includes cesium halide, one of indium halide and thallium halide, optionally gadolinium halide and a rare earth halide component selected from dysprosium halide, holmium halide, thulium halide, and neodymium halide. In operation without a jacket, the lamp may have a color temperature of from 7,000K to 14,000K and a color rendering index of at least 70 when operated at an arc wall loading in excess of about 2 W/mm2.

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