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Phosphor and light emitting device 发明授权

2023-03-26 4280 1154K 0

专利信息

申请日期 2025-06-28 申请号 US12838779
公开(公告)号 US8262935B2 公开(公告)日 2012-09-11
公开国别 US 申请人省市代码 全国
申请人 Hisayoshi Daicho; Takeshi Iwasaki; Kiminori Enomoto; Yu Shinomiya; Shinobu Aoyagi
简介 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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