Green emitting phosphor and cathode-ray tube provided with such

Details Green emitting phosphor and cathode-ray tube provided with such Green emitting phosphor and cathode-ray tube provided with such

1985-04-19

1985-12-17

Cooper, Jack

Electric lamp and discharge devices

Cathode ray tube

Screen

2523014F, 2523014S, 2523014H, 2523016F, H01J 2920

Patent

active

045594694

ABSTRACT:
A green emitting phosphor for heavily loaded cathode-ray tubes comprises a mixture of a deep-green and a yellowish-green emitting phosphor. Mixtures of Zn.sub.2 SiO.sub.4 :Mn and at least one phosphor from the group comprising Y.sub.2 SiO.sub.5 :Tb; X.sub.2 O.sub.2 S:Tb; ES:Ce and XOZ:Tb, where X=Y, La, Gd, Lu; E=Ca, Sr, Ba; and Z=Cl, Br, I, F; satisfy, as FIG. 1 illustrates for a few examples, the EBU specification.

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