Method of making lanthanum cerium terbium phosphate phosphor wit

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

1990-05-14

1992-07-21

Cooper, Jack

Compositions

Inorganic luminescent compositions

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

C09K 1181

Patent

active

051320428

ABSTRACT:
A method of making a lanthanum cerium terbium phosphate phosphor involves the single-step reaction of single-phase, mixed valence state lanthanum cerium terbium oxide with boron phosphate in the presence of a flux-forming compound containing lithium. The resulting phosphor is up to 5% brighter than the same phosphor prepared without the lithium-containing compound.

REFERENCES:
patent: 3544483 (1970-12-01), Lagos
patent: 4127415 (1978-11-01), Quackenbush et al.
patent: 4423349 (1983-12-01), Nakajima et al.

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