High efficacy electrodeless high intensity discharge lamp exhibi

Details High efficacy electrodeless high intensity discharge lamp exhibi High efficacy electrodeless high intensity discharge lamp exhibi

1988-06-03

1989-12-26

Boudreau, Leo H.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

313492, 313642, 313607, H05B 4116

Patent

active

048900427

ABSTRACT:
Improved ease of starting at room temperature while maintaining high efficacy and good color rendition at white color temperatures is achieved in an electrodeless metal halide high intensity discharge lamp wherein a mercury-free combination of arc tube fill materials may include sodium iodide with or without cerium halide, and either krypton or argon as a starting gas.

REFERENCES:
patent: 3248548 (1966-04-01), Booth et al.
patent: 3763392 (1973-10-01), Hollister
patent: 3860854 (1975-01-01), Hollister
patent: 4422011 (1983-12-01), Puesen et al.
patent: 4480213 (1984-10-01), Lapatovich et al.
patent: 4568859 (1986-02-01), Houkes et al.

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