TB, B-BASED YELLOW PHOSPHOR, ITS PREPARATION METHOD, AND WHITE SEMICONDUCTOR LIGHT EMITTING DEVICE

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The present invention relates to a terbium borate-based yellow phosphor, a preparation method thereof, and a white semiconductor light emitting device incorporating the same. The terbium borate-based yellow phosphor of the present invention is represented by the general formula (Tb1-x-y-zREXAy)3DaBbO12 : Cez (where, RE is at least one rare earth element selected from the group consisting of Y, Lu, Sc, La, Gd, Sm, Pr, Nd, Eu, Dy, Ho, Er, Tm and Yb; A is a typical metal element selected from the group consisting of Li, Na, K, Rb, Cs and Fr; D is a typical amphoteric element selected from the group consisting of Al, In and Ga; 0<=x<0.5; 0<=y<0.5; 0

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