Green-emitting phosphor for cathode-ray tube

Details Green-emitting phosphor for cathode-ray tube Green-emitting phosphor for cathode-ray tube

1982-09-22

1984-03-13

Cooper, Jack

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

313468, C09K 11463

Patent

active

044366469

ABSTRACT:
A green-emitting phosphor for a cathode-ray tube contains calcium sulfide activated by cerium and lithium. Decreases in the brightness when the tube is excited with an electron beam of high current densities or is subjected to high temperatures are eliminated.

REFERENCES:
patent: 2522074 (1950-09-01), Urbach
patent: 3623996 (1971-11-01), Amster
patent: 4348299 (1982-09-01), Okamoto et al.
Fujita et al., "Japanese Journal of Applied Physics", vol. 19, No. 6, Jun. 1980, pp. 1063-1065.
Asano et al., "Chem. Abstracts", vol. 92, 1980, 101818c.
Lehman et al., "Chem. Abstracts", vol. 74, 1971, 118024S.

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