Red-emitting superlinear phosphor

Details Red-emitting superlinear phosphor Red-emitting superlinear phosphor

1983-09-19

1985-09-03

Cooper, Jack

Electric lamp and discharge devices

Cathode ray tube

Screen

2523016S, 2523016F, 428690, C09K 1150

Patent

active

045395063

ABSTRACT:
In a red-emitting phosphor which includes ZnSe as a host material, copper (Cu) as an activator and aluminum (Al) as a coactivator, the improvement comprising the inclusion of a small amount of cobalt (Co) to provide superlinear characteristics to said phosphor in combination with said Cu and Al. A preferred range of concentration of said Co is 10.sup.-6 -2.times.10.sup.-5 g atom/mol. A specific application of said red-emitting superlinear phosphor is as a phosphor screen for a current density sensitive, single gun color CRT, when mixed with a green-emitting sublinear phosphor.

REFERENCES:
patent: 3130341 (1964-04-01), Johnson

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