Fluorescent lamp having improved phosphor coating

Details Fluorescent lamp having improved phosphor coating Fluorescent lamp having improved phosphor coating

1974-10-21

1976-08-10

Aegerter, Richard E.

Receptacles

Envelope for electric lamp or similar device

Tv tube

313486, H01J 6144

Patent

active

039736911

ABSTRACT:
A fluorescent lamp has a phosphor coating on the inner surface of its glass envelope. The phosphor coating contains a small amount of barium carbonate admixed therewith. The barium carbonate improves the light output maintenance of the lamp.

REFERENCES:
patent: 2235802 (1941-03-01), Lemaigre-Voreaux
patent: 3513346 (1970-05-01), Awazu et al.
patent: 3651363 (1972-03-01), Barry
patent: 3748516 (1973-07-01), Blasse et al.

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