Y.sub.2 O.sub.3 :Eu phosphor having increased brightness

Details Y.sub.2 O.sub.3 :Eu phosphor having increased brightness Y.sub.2 O.sub.3 :Eu phosphor having increased brightness

1978-09-13

1980-03-04

Cooper, Jack

Compositions

Inorganic luminescent compositions

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

C09K 1146

Patent

active

041916620

ABSTRACT:
Y.sub.2 O.sub.3 :Eu red-emitting phosphor exhibits up to about 8 percent brightness increase upon cathode ray excitation and about 3 percent brightness increase upon UV excitation by the addition of about 250 parts per million of Mg(as MgO).

REFERENCES:
patent: 3291747 (1966-12-01), Lefevev et al.
patent: 3368980 (1968-02-01), Avella et al.

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