Electrodeless discharge lamp

Details Electrodeless discharge lamp Electrodeless discharge lamp

1989-11-21

1991-05-07

Laroche, Eugene R.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315 39, 313642, H05B 4116

Patent

active

050139754

ABSTRACT:
An electrodeless discharge lamp includes a lamp tube coated on inner surface with a fluorescent material and filled with mercury vapor and a rare gas where the gas provides an excitation luminescence of the same series of color as luminous color of the fluorescent material. The gas and vapor in the tube effectively maintain the luminescence of the lamp over a wide ambient temperature range where the rare gas provides luminescence of a selected color at lower temperatures and the mercury vapor and fluorescent material provide luminescence of the same color in the middle and higher temperature ranges.

REFERENCES:
patent: 1858912 (1932-04-01), Spaeth
patent: 3227923 (1966-01-01), Marrison
patent: 4010400 (1977-03-01), Hollister
patent: 4024431 (1977-05-01), Young
patent: 4171503 (1979-10-01), Kwon
patent: 4178534 (1979-12-01), McNeil
patent: 4206327 (1980-06-01), Kramer
patent: 4568859 (1986-12-01), Hawker

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