RED NITRIDE-BASED PHOSPHOR, METHOD FOR PREPARING SAME, AND WHITE LIGHT EMITTING DEVICE COMPRISING SAME

摘要

The present invention relates to a red nitride-based phosphor, a method for preparing the same, and a white light emitting device comprising the same and, more particularly, to a nitride-based phosphor compound represented by formula 1 below. The phosphor of the present invention is excited by ultraviolet-blue light with a high efficiency and exhibits a high reliability characteristic as well as high light conversion efficiency. [Formula 1] [M_1-xEu_x]₄Si₁₀Al_1-yN_17-y , wherein M is at least one selected from Sr and Ba, and x≤1, 0≤y1]