| 发明名称 |
SILICATE PHOSPHORS |
| 摘要 |
The invention relates to europium-doped silicate phosphors comprising a coating of aluminum oxide, to a process for the preparation of these compounds, and to the use thereof as conversion phosphors or in lamps. |
| 申请公布号 |
US2016264862(A1) |
申请公布日期 |
2016.09.15 |
| 申请号 |
US201415033150 |
申请日期 |
2014.10.02 |
| 申请人 |
MERCK PATENT GMBH |
发明人 |
WINKLER Holger;DAVIS Monica;HAMPEL Christof;OPOLKA Andrea;PETRY Ralf;SOETH Olaf;TEWS Stefan;GUMP Christopher;KING David;SPENCER Joseph A.;SULLIVAN-TRUJILLO Kassandra |
| 分类号 |
C09K11/77;H01L33/50;C23C16/455;C23C16/44;C09K11/02;C23C16/40 |
主分类号 |
C09K11/77 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. Phosphor comprising a compound of the formula (I), (II) or (II),
(EA)2-xEuxSiO4 (I) (EA)3-xEuxSiO5 (II) (EA)3-zMgEuxSi2O8 (III) where EA stands for at least one element selected from Ca, Sr, and Ba, and might additionally contain Zn; x stands for a value from the range 0.01≦x≦0.25, characterized in that the compound contains a coating of aluminum oxide (alumina) which has been deposited by an atomic layer deposition process. |
| 地址 |
DARMSTADT DE |
