Rare Earth Aluminum Garnet Yellow Phosphors with Y, Sb Substituted to the Octahedral Cation Sites,

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PURPOSE : A rare earth aluminum garnet yellow phosphor is provided to ensure high or the same fluorescence efficiency as a conventional YAG-based material and to obtain a white light emitting diode with high color index and low color temperature.CONSTITUTION : A rare earth aluminum garnet yellow phosphor is a material represented by chemical formula 1 : RE_3(OT_xTR_(2-x))Al_3O_12 : Ce^(3+) that is substituted with yttrium(Y) or antimony(Sb) at a octahedral positive site of a garnet structure. In chemical formula 1, 0.01COPYRIGHT KIPO 2010