Phosphor and cathode-ray tube using the same

Details Phosphor and cathode-ray tube using the same Phosphor and cathode-ray tube using the same

1989-12-04

1993-01-05

Cooper, Jack

Electric lamp and discharge devices

Cathode ray tube

Screen

2523014R, 2523014F, C09K 1180

Patent

active

051774011

ABSTRACT:
Disclosed are terbium-activated oxide phosphors having incorporated, at least one of ytterbium, thulium, samarium and europium. Incorporation of the element (s) has made it possible to produce phosphors exhibiting high brightness and suffering little brightness deterioration under high-density electron bombardment.

REFERENCES:
patent: 3394084 (1968-07-01), Avella
patent: 3666676 (1972-05-01), Rabatin et al.
patent: 3758413 (1973-09-01), Peters
patent: 4757232 (1988-07-01), Berkstresser et al.
Scholl et al "J. Electrochem Soc.", 133(3), 1986, pp. 643-648.

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