Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1991-07-09
1992-06-02
Yusko, Donald J.
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
313487, 313578, 313315, H01K 132
Patent
active
051189852
ABSTRACT:
An incandescent lamp is provided with a phosphor coating on its lamp envelope. The phosphor coating alters the spectral distribution of radiation emitted by the lamp and acts as a diffuser. In one embodiment, the phosphor coating absorbs radiation at wavelengths below 500 nanometers and emits radiation at wavelengths above 500 nanometers to provide an improved bugfoiler lamp. In another embodiment, the phosphor coating absorbs radiation in the ultraviolet, violet and blue wavelength range and emits radiation at longer wavelengths that more effectively stimulate the human eye.
REFERENCES:
patent: 2405261 (1946-08-01), Levi et al.
patent: 2759119 (1956-08-01), Thorington
patent: 3947719 (1976-03-01), Ott
patent: 4097776 (1978-06-01), Allinikov
patent: 4645290 (1987-02-01), Walsh
patent: 4727283 (1988-02-01), Van Kemenade et al.
Dale Ernest A.
Lagos Costas
Mishra Kailash C.
Patton Robert J.
Finnegan Martha Ann
GTE Products Corporation
Patel Ashok
Walter Robert E.
Yusko Donald J.
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