Fluorescent lamp having improved maintenance

Details Fluorescent lamp having improved maintenance Fluorescent lamp having improved maintenance

1982-01-25

1984-05-29

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

427 67, H01J 170, B05D 506

Patent

active

044517572

ABSTRACT:
Lumen maintenance of fluorescent lamps is improved by dispersing throughout the phosphor a small quantity, less than 0.2% by weight of the phosphor, of a metallic borate. The improvement is realized in lamps with or without an internal conductive coating.

REFERENCES:
patent: 2905572 (1959-09-01), Jones
patent: 3503780 (1970-03-01), Kamiya
patent: 3887725 (1975-06-01), Halstead, Jr. et al.
patent: 4121132 (1978-10-01), Repsher

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