| 简介 |
PROBLEM TO BE SOLVED : To provide a rare earth vanadate phosphor having a good maintenance factor of paste baking luminance and dispersibility, and to provide a vacuum ultraviolet-excitable light-emitting device using the phosphor. ŽSOLUTION : The rare earth vanadate phosphor in which general formula is represented by the following formula : (Ln1-aEua)(V1-bPb)cO(3+5c)/2-dA2O (wherein, Ln is at least one kind of element selected from among Y, Gd, La, and Lu; A is at least one kind of element selected from among Li, Na, and K; 0.005≤a≤0.2; 0≤bCOPYRIGHT : (C)2009, JPO&INPIT Ž |
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