Phosphor

Details Phosphor Phosphor

C - Chemistry, Metallurgy

09

K

31/131

C09K 11/79 (2006.01) C09K 11/02 (2006.01) C09K 11/77 (2006.01)

Patent

CA 1203077

ABSTRACT OF THE DISCLOSURE A phosphor which emits white light upon excitation and is characterized by a long decay time, the phosphor consisting of a host material of calcium silicate having the formula: CaO.xSiO2 where x is in the range from 0.5 to 1, and an activator consisting of dysprosium (Dy) in the ratio of 0.05 to 10 mol % of each 1 mol of the ho t material.

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