Mercury-free metal halide lamp

Details Mercury-free metal halide lamp Mercury-free metal halide lamp

1998-07-17

2000-05-30

Wong, Don

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315246, 315363, 313637, H05B 4116

Patent

active

060694564

ABSTRACT:
Lighting system, comprising a mercury-free metal halide lamp with a light yield of at least 75 lm/W and a color rendition index of at least 75 and an electronic ballast, the electronic ballast impressing a square-wave power supply on the lamp and keeping the power constant. The filling comprises the following components:

REFERENCES:
patent: 4291254 (1981-09-01), Arlt et al.
patent: 4373146 (1983-02-01), Bonazoli et al.
patent: 4647821 (1987-03-01), Lapatovich et al.
patent: 5323090 (1994-06-01), Lestician
patent: 5363007 (1994-11-01), Fromm et al.
patent: 5491387 (1996-02-01), Saito
patent: 5637960 (1997-06-01), Juengst et al.
patent: 5729091 (1998-03-01), Barthelmes et al.
patent: 5844365 (1998-12-01), Natour
patent: 5854535 (1998-12-01), Hohlfeld et al.

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