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YELLOW PHOSPHOR HAVING OXYAPATITE STRUCTURE, PRODUCTION METHOD, AND WHITE LIGHT EMITTING DIODE DEV

2025-06-21 22:172250下载
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PROBLEM TO BE SOLVED : To provide a yellow phosphor in which the wavelength of the main light emitting region is long and relatively leans to a red light region. SOLUTION : The yellow phosphor having an oxyapatite structure includes the general formula of (A1-xEux)8-yB2+y(PO4)6-y(SiO4)y(O1-zSz)2, wherein A and Eu are divalent metal ions; B is a trivalent metal ion; and x, y, and z are 0
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