Indium halide and rare earth metal halide lamp

Details Indium halide and rare earth metal halide lamp Indium halide and rare earth metal halide lamp

1996-10-18

1999-10-12

O'Shea, Sandra

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313638, 313643, H01J 1720, H01J 6112, H01J 6118, H01J 6116

Patent

active

059659840

ABSTRACT:
A metal halide lamp includes a light transmitting container filled with a rare gas, a halide of indium in an amount of 0.1 mg/cc to 1.5 mg/cc, at least one halide of a rare earth element selected from terbium, dysprosium, holmium, erbium, or thulium. The metal halide lamp has an emission spectrum distributed over the visual inspection range, a high luminous efficacy, a high color temperature, and long lifetime.

REFERENCES:
patent: 3514659 (1970-05-01), Gungle et al.
patent: 3654506 (1972-04-01), Kuhl et al.
patent: 3988629 (1976-10-01), White et al.
patent: 4799135 (1989-01-01), Inukai et al.
patent: 4801846 (1989-01-01), Kramer et al.
patent: 5479065 (1995-12-01), Sugimoto et al.
Higashi, Tadatoshi, "Radiation Characteristics of Metal Halide Lamps with Rare Earth Halide Additives," Journal of Lighting Society (with English Abstract), vol. 65, No. 10, 1981, pp. 17-22.

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