Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Patent
1978-10-25
1979-11-13
Cooper, Jack
Compositions
Inorganic luminescent compositions
Compositions containing halogen; e.g., halides and oxyhalides
2523014R, C09K 1146
Patent
active
041742940
ABSTRACT:
A fluorescent material is an alkaline earth metal boron phosphate activated by a divalent europium compound having the formula m(Sr.sub.1-x-y-p Ba.sub.x Ca.sub.y Eu.sub.p O).multidot.(1-n)P.sub.2 O.sub.5 nB.sub.2 O.sub.3 wherein parameters x, y, p, m and n are respectively in the ranges:
REFERENCES:
patent: 3586637 (1971-06-01), Blasse et al.
patent: 3599028 (1971-08-01), Wanmaker et al.
Vehara et al "J. of the Electrochem. Soc.", 1959, vol. 106, No. 3, pp. 200-205.
Awazu Kenzo
Ibuki Sumiaki
Ito Hiroshi
Murakami Katsuo
Otani Mitsuoki
Cooper Jack
Mitsubishi Denki & Kabushiki Kaisha
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