Alkaline-earth metal halophosphate luminescent composition activ

Details Alkaline-earth metal halophosphate luminescent composition activ Alkaline-earth metal halophosphate luminescent composition activ

1968-05-03

1977-07-26

Cooper, Jack

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

C09K 1146

Patent

active

040382044

ABSTRACT:
The luminescent composition alkaline-earth metal halophosphate activated by divalent europium. The phosphor composition is very efficiently excited by ultraviolet to generate blue-green or blue radiations. The exact peak emission and half-width of the emission is determined by the particular alkaline-earth metal and halogen utilized.

REFERENCES:
patent: 2986529 (1961-05-01), McKeag et al.
patent: 3328620 (1967-06-01), Rimbach
Chemical Abstracts, (No. I), vol. 52, 1958, pp. 8755a & 8755b.
Chemical Abstracts, (No. II), vol. 55, 1961, pp. 19,506e & 19,506f.

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