Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Patent
1975-01-29
1977-04-19
Cooper, Jack
Compositions
Inorganic luminescent compositions
Compositions containing halogen; e.g., halides and oxyhalides
313486, 313488, C09K 1146
Patent
active
040186989
ABSTRACT:
Improved fluorescent efficiency is achieved by a luminescent composition consisting essentially of from about 99.97% to about 99.995% by weight of a manganese-activated magnesium aluminum gallate phosphor having the formula:
REFERENCES:
patent: 3407325 (1968-10-01), Brown
patent: 3635833 (1972-01-01), Datta
patent: 3693006 (1972-09-01), Chenot
patent: 3723339 (1973-03-01), Wanmaker et al.
patent: 3838060 (1972-09-01), Kaduk
Brown, II, "J. Electrochem. Soc.," vol. 114, No. 3, 1967, pp. 245-250.
Castle Donald R.
Cooper Jack
Fox John C.
GTE Sylvania Incorporated
O'Malley Norman J.
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