Patent ID: 9624427
Date: 2017-04-18
CPC Classifications: B82Y,C01B,C01P,C04B,C09K,F21K,G02F,H01L

Claim:
1. A light converter comprising: (i) a red-based luminous phosphor having a reflectance of 95% or larger in a region of visible light having wavelengths longer than a peak wavelength of the red-based luminous phosphor and comprising a divalent europium-activated nitride phosphor substantially represented by the formula: (MII wherein MII comprises at least one alkaline earth metal element selected from the group consisting of Mg, Ca, Sr and Ba, MIII comprises at least one trivalent metal element selected from the group consisting of Al, Ga, In, Sc, Y, La, Gd and Lu, and 0.005≦p≦0.02; and (ii) a green-based luminous phosphor having a reflectance of 95% or larger in a region of visible light having wavelengths longer than a peak wave length of the green-based luminous phosphor and comprising a divalent europium-activated oxynitride phosphor comprising a β-type SiAlON substantially represented by the formula: Eu