发明授权
- 专利标题： Luminescent substance of the class of nitride silicates and light source having such a luminescent substance
- 专利标题（中）： 具有这种发光物质的氮化硅酸盐类和光源类的发光物质
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申请号： US12375671申请日： 2007-07-31
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公开(公告)号： US08093798B2公开(公告)日： 2012-01-10
- 发明人: Daniel Becker , Tim Fiedler , Frank Jermann , Christian Koch , Bianca Pohl
- 申请人： Daniel Becker , Tim Fiedler , Frank Jermann , Christian Koch , Bianca Pohl
- 申请人地址： DE München
- 专利权人： OSRAM AG
- 当前专利权人： OSRAM AG
- 当前专利权人地址： DE München
- 代理机构： Cozen O'Connor
- 优先权： DE102006036577 20060804
- 国际申请： PCT/EP2007/057870 WO 20070731
- 国际公布： WO2008/015207 WO 20080207
- 主分类号： H01J1/62
- IPC分类号： H01J1/62 ; H01J63/04 ; C09K11/02
摘要：
A phosphor from the class of nitridosilicates from the M-Al—Si—N system, comprising a cation M, wherein M is represented by Ca alone or is represented by a mixture of Ca with at least one further element from the group Ba, Sr, Mg, Zn, Cd, Li, Na, Cu, wherein the phosphor is activated with at least one element from the group Eu, Ce which partly replaces M, characterized in that the phosphor forms a phase that is to be assigned to the system M3N2-AlN-Si3N4, wherein the atomic ratio of the constituents M:Al≧0.375 and the atomic ratio Si/Al≧1.4.
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