Oxide Green Phosphor and the Method for Preparing the Same and White LED using the same

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PURPOSE : An oxide green phosphor is provided to have a wide light-emitting spectrum than existing phosphors, thereby manufacturing a white LED with high color rending index and efficiency.CONSTITUTION : An oxide green phosphor is represented by chemical formula 1 : M_(5-x)N_6Si_2O_6 : A_x. In chemical formula 1, M is one or more selected from Ca, Sr, Ba, and Zn; N is one or more selected from Br, F, Cl, and I; A is one or more ions selected from rare earth metal ion and transition metal ion; and 0.001COPYRIGHT KIPO 2013