Metal halide lamp with reduced color shadowing

Details Metal halide lamp with reduced color shadowing Metal halide lamp with reduced color shadowing

1996-08-23

1998-06-30

O'Shea, Sandra L.

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313637, 313638, 313640, H01J 6120

Patent

active

057739323

ABSTRACT:
A metal halide lamp in which no color shadowing occurs on the light acceptance surface and which at the same time emits with sufficient brightness is achieved according to the invention by encapsulating lutetium halide and one or more of the metal halides from groups A, B and C in an arc tube of a metal halide lamp together with a mercury halide:

REFERENCES:
patent: 3842307 (1974-10-01), Dobrusskin et al.
patent: 5028843 (1991-07-01), Narita
patent: 5451838 (1995-09-01), Kawai

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