| 发明名称 |
PHOSPHORS, SUCH AS NEW NARROW-BAND RED EMITTING PHOSPHORS FOR SOLID STATE LIGHTING |
| 摘要 |
The invention provides, amongst others for application in a lighting unit, a phosphor having the formula M1−x−y−zZzAaBbCcDdEeN4−nOn:ESxREy (I), with M=selected from the group consisting of Ca, Sr, and Ba; Z=selected from the group consisting of monovalent Na, K, and Rb; A=selected from the group consisting of divalent Mg, Mn, Zn, and Cd; B=selected from the group consisting of trivalent B, Al and Ga; C=selected from the group consisting of tetravalent Si, Ge, Ti, and Hf; D=selected from the group consisting of monovalent Li, and Cu; E=selected for the group consisting of P, V, Nb, and Ta; ES=selected from the group consisting of divalent Eu, Sm and Yb; RE=selected from the group consisting of trivalent Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, and Tm; 0≦x≦0.2; 0≦y≦0.2; 0<x+y≦0.4; 0≦z<1; 0≦n≦0.5; 0≦a≦4 (such as 2≦a≦3); 0≦b≦4; 0≦c≦4; 0≦d≦4; 0≦e≦4; a+b+c+d+e=4; and 2a+3b+4c+d+5e=10−y−n+z. |
| 申请公布号 |
US2015123155(A1) |
申请公布日期 |
2015.05.07 |
| 申请号 |
US201314401368 |
申请日期 |
2013.05.09 |
| 申请人 |
KONINKLIJKE PHILIPS N.V. |
发明人 |
Schmidt Peter Josef;Hintze Frauke Charlotte;Pust Philipp Alexander Hubert;Weiler Volker;Hecht Cora Sieglinde;Schmiechen Sebastian Florian;Schnick Wolfgang;Wiechert Detlef Uwe |
| 分类号 |
C09K11/77;H01L33/50 |
主分类号 |
C09K11/77 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A lighting unit comprising a light source, configured to generate light source light and a luminescent material, configured to convert at least part of the light source light into luminescent material light, wherein the light source comprises a light emitting diode (LED), and wherein the luminescent material comprises a phosphor having a UCr4C4 structure, or an ordering variant of the UCr4C4 aristotype, or a NaLi3SiO4 structure, or a KLi3GeO4 structure, having the formula:
M1−x−y−zZzAaBbCcDdEeN4−nOn:ESx,Rey wherein M is selected from the group consisting of Ca, Sr, and Ba Z is selected from the group consisting of monovalent Na, K, and Rb A is selected from the group consisting of divalent Mg, Mn, Zn, and Cd B is selected from the group consisting of trivalent B, Al and Ga C is selected from the group consisting of tetravalent Si, Ge, Ti, and Hf D is selected from the group consisting of monovalent Li, and Cu E is selected for the group consisting of P, V, Nb, and Ta ES is selected from the group consisting of divalent Eu, Sm and Yb RE is selected from the group consisting of trivalent Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, and Tm 0≦x≦0.2; 0≦y≦0.2; 0<x+y≦0.4; 0≦z<1; 0≦n≦0.5; 0≦a≦4; 0≦b≦4; 0≦c≦4; 0≦d≦4; 0≦e≦4; a+b+c+d+e=4; and 2a+3b+4c+d+5e=10−y−n+z. |
| 地址 |
EINDHOVEN NL |
