Fluorescent lamp containing indium oxide

Details Fluorescent lamp containing indium oxide Fluorescent lamp containing indium oxide

1972-02-14

1976-01-13

Segal, Robert

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313192, 313485, H01J 6304, H01J 6128

Patent

active

039327833

ABSTRACT:
An indium oxide coating is used on the inside surface of a vapor electric discharge lamp, such as a fluorescent lamp, to reduce the starting voltage. The coating is especially effective at low temperatures, but also reduces the voltage even at room temperatures. It is particularly useful also in lamps using certain mixed inert gases with the mercury, since the mixtures used generally require a higher starting voltage than the ordinary fluorescent lamps containing argon and mercury vapor.

REFERENCES:
patent: 2491854 (1949-12-01), Force
patent: 3160774 (1964-12-01), Guy
patent: 3339100 (1967-08-01), Menelly
patent: 3400288 (1968-09-01), Groth
patent: 3676729 (1972-07-01), Menelly

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