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RED LIGHT-EMITTING FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME 发明申请

2023-09-22 3500 1437K 0

专利信息

申请日期 2025-07-06 申请号 US13775597
公开(公告)号 US20130214305A1 公开(公告)日 2013-08-22
公开国别 US 申请人省市代码 全国
申请人 KABUSHIKI KAISHA TOSHIBA
简介 The embodiment provides a red light-emitting fluorescent substance represented by the following formula (1) : [in-line-formulae](M1-xECx)aM1bAlOcNd   (1).[/in-line-formulae] In the formula (1), M is an element selected from the group consisting of IA group elements, IIA group elements, IIIA group elements, IIIB group elements, rare earth elements and IVA group elements; EC is an element selected from the group consisting of Eu, Ce, Mn, Tb, Yb, Dy, Sm, Tm, Pr, Nd, Pm, Ho, Er, Cr, Sn, Cu, Zn, As, Ag, Cd, Sb, Au, Hg, TI, Pb, Bi and Fe; M1 is different from M and is selected from the group consisting of tetravalent elements; and x, a, b, c and d are numbers satisfying the conditions of 0


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