申请日期 | 2025-07-18 | 申请号 | WOJP12054521 |
公开(公告)号 | WO2012117954A1 | 公开(公告)日 | 2012-09-07 |
公开国别 | WO | 申请人省市代码 | 全国 |
申请人 | UBE MATERIAL INDUSTRIES LTD; FUKUDA Kouichi; AMAGAI Jin; NOGUCHI Seiji; INAGAKI Toru; TANAKA Masaki | ||
简介 | Provided is a blue light-emitting phosphor with which a silicate represented by the formula Sr3MgSi2O8 is activated by Eu, wherein when the Mg content is 1 mol, the blue light-emitting phosphor contains Eu in an amount within a range of 0.001 to 0.2 mol and further, rare earth metal elements selected from the group consisting of Sc, Y, Gd, Tb and La in an amount within a range of 0.0001 to 0.03 mol. Light emission intensity when excited by light at a wavelength of 350 to 430 nm is improved. |
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