Method of making lanthanum cerium terbium phosphate phosphor

Details Method of making lanthanum cerium terbium phosphate phosphor Method of making lanthanum cerium terbium phosphate phosphor

1990-05-14

1992-02-25

Cooper, Jack

Compositions

Inorganic luminescent compositions

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

C09K 1181

Patent

active

050911104

ABSTRACT:
A method of making a lanthanum cerium terbium phosphate phosphor involves the coprecipitation of a rare earth nitrate solution with diammonium hydrogen phosphate to form a lanthanmum cerium terbium phosphate, combining the phosphate with a fluxing compound, and firing the resulting mixture to form the phosphor.

REFERENCES:
patent: 3525698 (1970-08-01), Leto et al.
patent: 3634282 (1972-01-01), Denis et al.
patent: 3668142 (1972-06-01), Luckey
patent: 3925674 (1975-12-01), D'Silva et al.
patent: 4423349 (1983-12-01), Nakajima et al.

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