Fluorescent composition

Details Fluorescent composition Fluorescent composition

1989-07-28

1991-04-09

Cooper, Jack

Compositions

Inorganic luminescent compositions

Zinc or cadmium containing

C09K 1162

Patent

active

050062778

ABSTRACT:
A fluorescent composition having improved luminance, which is composed of a phosphor consisting essentially of a sulfide represented by the formula: (Zn.sub.1-x, Cd.sub.x)S, [wherein x is a number satisfying a condition of 0.ltoreq.x.ltoreq.1], as the host material; and indium oxide (In.sub.2 O.sub.3), both being mixed or adhered each other, and in which zinc oxide (ZnO) and/or a compound of zinc which can be converted to zinc oxide (ZnO) by heat-treatment is adhered onto the surface of said phosphor or the respective surfaces of said phosphor and said indium oxide.

REFERENCES:
patent: 4275333 (1981-06-01), Kagami et al.
patent: 4680231 (1987-07-01), Yamamaura et al.
patent: 4791336 (1988-12-01), Morimoto et al.
patent: 4831269 (1989-05-01), Kagami et al.
Database Derwent World Patent Index, AN 84-223103 (36), "Fluorescent Body for Producing Low Speed Electron Rays-".

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