| 摘要 |
A phosphor is provided. The phosphor includes a composition represented by the formula: M1O2.aM2O.bM3X2:M4,where M1 is at least one element selected from the group consisting of Si, Ge, Ti, Zr, and Sn; M2 is at least one element selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; M3 is at least one element selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; X is at least one halogen element; M4 is at least one element essentially including Eu2+ selected from the group consisting of rare-earth elements and Mn; a is in the range of 0.1≦̸a≦̸1.3; and b is in the range of 0.1≦̸b≦̸0.25.
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