Blue-enriched incandescent lamp

Details Blue-enriched incandescent lamp Blue-enriched incandescent lamp

H - Electricity

01

K

H01K 1/32 (2006.01)

Patent

CA 2519727

A blue-enriched incandescent lamp having on the interior surface of its light transmissive glass envelope a coating in accordance with an aspect of the invention. The coating contains a phosphor that is energized by the ultraviolet/violet emission ( < 420 nm) from the hot filament causing it to emit radiation in the range of 420 to 490 nm. In a preferred embodiment of the invention, the coating contains a europium-activated barium magnesium aluminate phosphor and a blue pigment.

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