Rare earth oxysulfide phosphor and high resolution cathode...

Details Rare earth oxysulfide phosphor and high resolution cathode... Rare earth oxysulfide phosphor and high resolution cathode...

C - Chemistry, Metallurgy

09

K

C09K 11/84 (2006.01) C09K 11/77 (2006.01) H01J 29/32 (2006.01)

Patent

CA 2077393

ABSTRACT A rare earth oxysulfide phosphor of the formula (Ln1- x-yLaxLn'y)2O2S wherein Ln is at least one element selected from the group consisting of Y, Gd, Sc and Lu, Ln' is at least one element selected from the group consisting of Eu, Tb, Sm, Er, Tm, Dy, Ho, Nd and Pr, and x and y are numbers within ranges of 0.005<x?0.07 and 0.0001?y?0.2, respectively.

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