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PHOSPHOR AND LIGHT EMITTING DEVICE

2025-06-17 20:092070下载
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A phosphor includes a composition represented by the formula : (M2x, M3y, M4z)mM1O3X(2/n), wherein M1 is Si and may include at least one element selected Ge, Ti, Zr, and Sn; M2 is Ca and may include at least one element selected Mg, Ba, and Zn; M3 is Sr and may include at least one element selected from the group consisting of Mg, Ba, and Zn; X is at least one kind of halogen element; M4 is Eu2+ and may includes at least one element rare-earth elements and Mn, wherein m is in a range of 6/6≦m≦8/6; n is in a range of 5≦n≦7; and x, y, and z satisfies x+y+z=1, where 0
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