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Red light-emitting flourescent substance and light-emitting device employing the same 发明授权

2023-12-17 3580 1729K 0

专利信息

申请日期 2025-06-27 申请号 US13221042
公开(公告)号 US8858835B2 公开(公告)日 2014-10-14
公开国别 US 申请人省市代码 全国
申请人 Aoi Okada; Yumi Fukuda; Naotoshi Matsuda; Iwao Mitsuishi; Shinya Nunoue; Keiko Albessard; Masahiro Kato
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, Tl, 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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