| 简介 |
PROBLEM TO BE SOLVED : To provide a green phosphor for plasma display panel having good lifespan characteristics and excellent discharge stability, and to provide the plasma display panel.
SOLUTION : This green phosphor comprises : a phosphor material selected from the group consisting of Zn2SiO4 : Mn, (Zn, A)2SiO4 : Mn (A is an alkaline earth metal), (Ba, Sr, Mg)O-αAl2O3 : Mn ((α) is an integer in the range of 1 to 23), MgAlxOy : Mn ((x) is an integer in the range of 1 to 10, and (y) is an integer in the range of 1 to 30), LaMgAlxOy : Tb ((x) is an integer in the range of 1 to 14, and (y) is an integer in the range of 8 to 47), and ReBO3 : Tb (Re is a rare earth element selected from the group consisting of Sc, Y, La, Ce, and Gd); and an oxide material coated on the surface of the phosphor material and containing La2O3 and SiO2, wherein the La2O3 is present in an amount of less than 2, 500 ppm on the basis of the total amount of the phosphor material. |
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