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Oxynitiride light emitting material and a white LED illumination light source produced by the same

2025-06-18 14:542190下载
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An oxynitride luminescent material is provided. The formula of the material is M1-yX4-xZ1+xOxN7-x : Ry, wherein M is one or more kinds of alkali metals, alkaline earth metals, rare earth metals and transition metals, X is at least one kind of Si, Ge, B, Al and includes Si, Z is at least one kind of Al, Ga, In and includes Al, R is at least one kind of illumination center element of Eu, Ce, Tb, Yb, Sm, Pr and Dy, 0<=x<0.5, 0
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