Fluorescent display apparatus

Details Fluorescent display apparatus Fluorescent display apparatus

1986-05-27

1988-07-05

Cooper, Jack

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

2523016S, C09K 1154

Patent

active

047557176

ABSTRACT:
There is disclosed a fluorescent composition exhibiting high luminance under low velocity electron excitation having the formula (Zn.sub.1-x Cd.sub.x)S:Ag, Al wherein x is 0.25.ltoreq.x.ltoreq.0.95, Ag is 1.times.10.sup.-5 to 10.sup.-3 atom/mole and Al is 1.2.times.10.sup.-3 to 5.times.10.sup.-2 atom/mole and a fluorescent display apparatus containing the same.

REFERENCES:
patent: 3374176 (1968-03-01), Potter
patent: 3583929 (1971-06-01), Lehmann
patent: 3602753 (1971-08-01), Evans
patent: 3655575 (1972-04-01), Faria
patent: 3664862 (1972-05-01), Kingsley
patent: 3957678 (1976-05-01), Dikhoff
patent: 4275333 (1981-06-01), Kagami

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