Rare earth halide light source with enhanced red emission

Details Rare earth halide light source with enhanced red emission Rare earth halide light source with enhanced red emission

H - Electricity

01

J

313/10, 313/137

H01J 61/12 (2006.01) H01J 61/82 (2006.01) H01J 65/04 (2006.01)

Patent

CA 1288799

RARE EARTH HALIDE LIGHT SOURCE WITH ENHANCED RED EMISSION ABSTRACT: This invention teaches a novel high pressure electric discharge lamp (1) which has the desired properties of high efficacy, good color rendering, and a warm color temperature. These desired properties are attained by utilizing as fills the rare earth iodides in conjunction with calcium halides and, or sodium halides. Efficient visible emission from the rare earth atomic and molecular fragments in the discharge is combined with the red emission from calcium monohalide to provide an efficient, warm source.

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