Reflector lamp having reduced seal temperature

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

H - Electricity

01

J

H01J 61/36 (2006.01) F21S 8/10 (2006.01) H01J 5/32 (2006.01) H01J 5/48 (2006.01) H01J 5/50 (2006.01) H01J 61/02 (2006.01) H01J 61/34 (2006.01) H01J 61/35 (2006.01) H01J 61/52 (2006.01) H01J 61/86 (2006.01)

Patent

CA 2489226

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.

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