Electric lamp and discharge devices – With gas or vapor – With particular gas or vapor
Patent
1997-07-23
1999-07-20
Patel, Nimeshkumar D.
Electric lamp and discharge devices
With gas or vapor
With particular gas or vapor
313570, 313571, 313638, 313639, 313642, H01J 1720, H01J 6112, H01J 6118
Patent
active
059259817
ABSTRACT:
A lamp for providing visible radiation includes tellurium or a tellurium compound in the fill. This substance is present in an amount such that when the fill is excited with sufficient power, substantially all of the radiation resulting from tellurium is emitted at wavelengths exceeding 400 nm. When tellurium is added to a sulfur or selenium based lamp for emitting visible radition, the spectrum is shifted towards the red region.
REFERENCES:
patent: 3234421 (1966-02-01), Reiling
patent: 3748520 (1973-07-01), Silver
patent: 5069546 (1991-12-01), Liang et al.
patent: 5661365 (1997-08-01), Turner
Abstract of Japanese application No. 59-259960, filed Dec. 11, 1984, published Nov. 12, 1986.
Abstract of Soviet Patent Publ. No. 705562-A, Dec. 30, 1979.
Search Abstract of "Study of the Near Ultraviolet Emission of Tellurium-Doped Xenon Flashlamps," Palmer R E; Palmer M A, Technical Report of Sandia Lab, 1979.
Abstracts of 84JP-259960, Dec. 11, 1984.
Fusion Lighting Inc.
Patel Nimeshkumar D.
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