| 简介 |
A phosphor comprising an oxynitride compound having a chemical formula of A2-mE3O2N4 : Mm, wherein A comprises an alkaline-earth element, E comprises a IVA group element, M is an activator comprising a bivalent rare-earth element, and 0.00001≦m≦1.0, wherein A is at least one element selected from the group consisting of Mg, Ca, Sr and Ba; E is at least one element selected from the group consisting of C, Si, Ge, and Sn; and M is at least one element selected from the group consisting of Lu, Sc, La, Gd, Tb, Eu, and Sm. |
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