Use of a compound based on a rare-earth phosphate as a luminopho

Details Use of a compound based on a rare-earth phosphate as a luminopho Use of a compound based on a rare-earth phosphate as a luminopho

1996-06-25

1998-03-10

Bonner, Melissa

Compositions

Inorganic luminescent compositions

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

C09K 1146

Patent

active

057258007

ABSTRACT:
The invention relates to the use as a luminophor in plasma systems of a compound based on an yttrium, lanthanum, gadolinium or lutecium phosphate doped with at least one rare earth chosen from the group comprising terbium, praseodymium, europium and cerium.

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Journal of Luminescence, Nov.-Dec. 1980, Netherlands, vol. 22, No. 1, ISSN 0022-2313, pp. 1-16, Dornauf et al. "Concentration-dependent fluorescence-quenching in La.sub.1-x Pr.sub.x P.sub.s O.sub.14 ".
Dornauf et al, "Concentration-Dependent Fluorescence-Quenching In La.sub.1-x Pr.sub.x P.sub.5 O.sub.14 ", J. Lumin., vol. 22 (1), Nov.-Dec. 1980, pp. 1-16.
Chemical Abstract Cit. 120:89863, Gao et al, "Preparation and Spectroscopic Proprties of LaP.sub.3 O.sub.9 :Ce, Tb Phosphors", Yingyong Huaxue, vol. 10(2), pp. 70-2, 1993 no month.

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