Reflector lamp having reduced seal temperature

Details Reflector lamp having reduced seal temperature Reflector lamp having reduced seal temperature

2006-04-18

2006-04-18

Patel, Vip (Department: 2879)

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

C313S634000

Reexamination Certificate

active

07030543

ABSTRACT:
The seal temperature of a reflector lamp having a ceramic metal halide light source is reduced by a light absorbing layer which is provided in a region of the outer jacket adjacent to the electrode seal. Light reflected within the neck cavity of the reflector lamp impinges on the light absorbing layer and is absorbed before it can reach the electrode seal which is at least partially located in the neck of the reflector. The heat from the absorbed light is conducted into the base of the lamp to be dissipated in the socket.

REFERENCES:
patent: 3784861 (1974-01-01), Notelteirs
patent: 4288713 (1981-09-01), Marlor
patent: 5424609 (1995-06-01), Geven et al.
patent: 5646471 (1997-07-01), Schöller et al.
patent: 5936351 (1999-08-01), Lang
patent: 2003/0193280 (2003-10-01), Lapatovich et al.
patent: 1-107402 (1989-04-01), None
patent: 11-111037 (1999-04-01), None
patent: 2001-023427 (2001-01-01), None

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