METHOD FOR PRODUCING PHOSPHOR

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PROBLEM TO BE SOLVED : To provide a method for producing a high luminance silicate-based oxynitride phosphor. SOLUTION : This is a method for producing a silicate-based oxynitride phosphor by firing a mixture containing elements constituting the same. The method is characterized by firing the mixture in contact with an Si-containing gas. Preferably, the silicate-based oxynitride phosphor is (MmLn)SipOqNr (wherein M is at least one selected from Mg, Ca, Sr and Ba; L is at least one selected from a rare earth element, Bi and Mn), α-sialon phosphor or β-sialon phosphor. COPYRIGHT : (C)2012, JPO&INPIT