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BLUE LIGHT-EMITTING PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME 发明申请

2023-07-27 3900 825K 0

专利信息

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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