INORGANIC OXIDE PHOSPHOR AND LIGHT SOURCE USING THE SAME

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PROBLEM TO BE SOLVED : To provide a phosphor of a perovskite-type material using alkaline earth metal-zirconium oxide as a phosphor matrix. SOLUTION : The inorganic oxide phosphor is obtained by adding a rare earth element to a matrix comprising alkaline earth metal-Zr oxide represented by A1-zZrO3 (wherein A represents one or more alkaline earth metal elements selected from the group consisting of Mg, Ca, Sr and Ba, and z is a numerical value represented by 0≤z≤0.2). The rare earth metal is preferably at least one of Pr, Sm, Eu, Gd, Tb, Dy, Ho, Er and Tm. COPYRIGHT : (C)2009, JPO&INPIT