Patent ID: 6417019
Filing Date: 2002-07-09
Classification: C09K,H01L

Abstract:
A light emitting device comprising:a light emitting diode that emits primary light; and a (Sr1âˆ’uâˆ’vâˆ’xMguCavBax)(Ga2âˆ’yâˆ’zAlyInzS4):Eu2+ phosphor material capable of absorbing at least a portion of said primary light and emitting secondary light having a wavelength longer than a wavelength of said primary light, wherein 0&lE;u&lE;1, 0&lE;v&lE;1, 0&lE;x&lE;1, 0&lE;(u+v+x)&lE;1, 0&lE;y&lE;2, 0&lE;z&lE;2, and 0&lE;y+z&lE;2.