OXYNITRIDE PHOSPHOR, AND LIGHT-EMITTING DEVICE PACKAGE COMPRISING THE SAME

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PURPOSE : An oxynitride phosphor is provided to have small change even under high temperature and high humidity and to have wide availability by having a wide wavelength region.CONSTITUTION : An oxynitride phosphor comprises a crystal represented by chemical formula : M_(3-x)A_2Si_3O_9N_2 : RE^2+_x where 0.01COPYRIGHT KIPO 2013