Monochrome display cathode ray tube with long after glow phospho

Details Monochrome display cathode ray tube with long after glow phospho Monochrome display cathode ray tube with long after glow phospho

1984-03-23

1986-12-23

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Screen

2523016S, H01J 2920, C09K 1154

Patent

active

046314458

ABSTRACT:
A monochrome display cathode ray tube which comprises a white emitting fluorescent screen formed on a face plate facing an electron gun to emit cathode rays, said white emitting fluorescent screen being composed essentially of a phosphor mixture comprising from 40 to 70% by weight of a long after-glow red emitting europium-activated indium borate phosphor, from 10 to 40% by weight of a long after-glow green emitting manganese-activated zinc silicate phosphor and from 10 to 50% by weight of a long after-glow blue emitting silver-activated zinc sulfide phosphor.

REFERENCES:
patent: B381709 (1976-10-01), Lipp
patent: 3394084 (1968-07-01), Avella
patent: 3922233 (1975-11-01), Torii et al.
patent: 4340839 (1982-07-01), Fujita et al.
patent: 4512912 (1985-04-01), Matsuda et al.

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