Invention Grant
US08193696B2 Oxynitride phosphor, method of preparing oxynitride phosphor, and white light emitting device including the oxynitride phosphor 失效
氮氧化物荧光体,氮氧化物荧光体的制造方法以及含氮氧化物荧光体的白色发光元件

Oxynitride phosphor, method of preparing oxynitride phosphor, and white light emitting device including the oxynitride phosphor
Abstract:
An oxynitride phosphor including: a compound represented by Formula 1: M1a-xM2x-yCeySib-zAlzOc-xNx,  Formula 1 wherein M1 is at least one element selected from the group consisting of calcium, strontium, barium, magnesium, zinc, and europium, M2 is at least one element selected from the group consisting of scandium, yttrium, lutetium, lanthanum, praseodymium, samarium, gadolinium, terbium, ytterbium, and dysprosium, and a is about 1.7 to about 2.3, b is about 0.7 to about 1.3, c is about 3.5 to about 4.5, x is greater than 0 and less than about 2, y is greater than 0 and less than about 0.5, and z is equal to or greater than 0 and less than about 0.5.
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