- 专利标题: LUMINESCENT MATERIAL AND LIGHT-EMITTING DEVICE
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申请号: US12944938申请日: 2010-11-12
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公开(公告)号: US20110058582A1公开(公告)日: 2011-03-10
- 发明人: Yumi FUKUDA , Masaaki Tamatani , Katsuko Tamatani , Hironori Asai , Ryosuke Hiramatsu , Junichi Tatami , Katsutoshi Komeya , Toru Wakihara
- 申请人: Yumi FUKUDA , Masaaki Tamatani , Katsuko Tamatani , Hironori Asai , Ryosuke Hiramatsu , Junichi Tatami , Katsutoshi Komeya , Toru Wakihara
- 优先权: JP2006-065603 20060310
- 主分类号: H01L33/50
- IPC分类号: H01L33/50 ; H01S5/028
摘要:
A luminescent material which is featured in that it exhibits an emission peak at a wavelength ranging from 490 to 580 nm as it is excited by light having a wavelength ranging from 250 to 500 nm and that it has a composition represented by the following general formula (2): (M1-xRx)a2AlSib2Oc2Nd2 (2) (In the general formula (2), M is at least one metallic element excluding Si and Al, R is a luminescence center element, and x, a2, b2, c2 and d2 satisfy the following relationships:0
公开/授权文献
- US08450923B2 Luminescent material and light-emitting device 公开/授权日:2013-05-28
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