发明授权
- 专利标题： Red light-emitting flourescent substance and light-emitting device employing the same
- 专利标题（中）： 红色发光荧光物质及使用其的发光装置
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申请号： US13221042申请日： 2011-08-30
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公开(公告)号： US08858835B2公开(公告)日： 2014-10-14
- 发明人: Aoi Okada , Yumi Fukuda , Naotoshi Matsuda , Iwao Mitsuishi , Shinya Nunoue , Keiko Albessard , Masahiro Kato
- 申请人： Aoi Okada , Yumi Fukuda , Naotoshi Matsuda , Iwao Mitsuishi , Shinya Nunoue , Keiko Albessard , Masahiro Kato
- 申请人地址： JP Tokyo
- 专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2010-201710 20100909; JP2011-184927 20110826
- 主分类号： C09K11/64
- IPC分类号： C09K11/64 ; C09K11/77 ; C09K11/08 ; H01L33/50
摘要：
The embodiment provides a red light-emitting fluorescent substance represented by the following formula (1): (M1-xECx)aM1bAlOcNd (1). 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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