PHOSPHOR, PREPARATION METHOD THEREOF, AND WHITE LIGHT EMITTING DEVICE

摘要

A phosphor according to an embodiment of the present invention uses the light having a center wavelength in the wavelength range of 350-480 nm as an excitation source, emits the light of any one of green, yellow and red wavelengths as a center wavelength in the wavelength range of 480-680 nm, and is represented by MaSibOcNd: Eu. (M is at least one alkaline earth metal ion selected from the group consisting of Ra, Ba, Sr, Ca, Mg and Be, 1=a=7, 2=b=13, 1=c=18 and 0