BLUISH GREEN PHOSPHOR, LIGHIT EMITTING DEVICE PACKAGE AND LIGHTING APPARATUS INCLUDING THE SAME

摘要

According to an embodiment, a bluish green phosphor can be represented by chemical formula 1. The bluish green phosphor and the light emitting device package comprising the same can have improve light emitting characteristics and physical properties by effects of positive ions and negative ions included in composition formula. Chemical formula 1: A_aB_bO_cN_dC_eD_fE_g:RE_h In the chemical formula 1, A is at least one type among elements of Be, Mg, Ca, Sr, Ba, or Ra. B is at least one type among elements of Si, Ge, or Sn. C is one among elements of C, Cl, F, and Br. D is a single or mixed shape selected among Li, Na, and K. E is at least one type among elements of As, Bi, Sc, Y, or Lu. RE is at least one type among elements of Eu, Ce, Sm, Er, Yb, Dy, Gd, Tm, Lu, Pr, Nd, Pm, or Ho. 0