Metal halide lamp having specific filling

Details Metal halide lamp having specific filling Metal halide lamp having specific filling

1998-04-02

2000-02-29

Patel, Vip

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313638, 313639, H01J 1720

Patent

active

060313323

ABSTRACT:
Metal halide lamp radiates light with a color temperature T.sub.c of between 3900 K and 4200 K and with a general color rendering index R.sub.a .gtoreq.90. The ionizable metal halide filling comprises between 30 and 50 mole % CaI.sub.2. The lamp has a limited crest factor, and accordingly a long useful life.

REFERENCES:
patent: 3852630 (1974-12-01), Wesselink et al.
patent: 5424609 (1995-06-01), Geven et al.

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