| 发明名称 |
Phosphor blend for an LED light source and LED light source incorporating same |
| 摘要 |
There is provided a phosphor blend for an LED light source comprising from about 25 to about 35 weight percent of a cerium-activated yttrium aluminum garnet phosphor, from about 5 to about 10 weight percent of a europium-activated strontium calcium silicon nitride phosphor, and from about 50 to about 75 weight percent of a europium-activated calcium magnesium chlorosilicate phosphor. An LED light source in accordance with this invention has a B:G:R ratio for a 5500 K daylight balanced color film of X:Y:Z when directly exposed through a nominal photographic lens, wherein X, Y and Z each have a value from 0.90 to 1.10. |
| 申请公布号 |
US8796715(B2) |
申请公布日期 |
2014.08.05 |
| 申请号 |
US201013388953 |
申请日期 |
2010.08.17 |
| 申请人 |
Osram Sylvania Inc. |
发明人 |
Selverian John;Levin Robert E. |
| 分类号 |
H01L33/00;H01L33/50;C09K11/77;C09K11/08 |
主分类号 |
H01L33/00 |
| 代理机构 |
|
代理人 |
Clark Robert F. |
| 主权项 |
1. A phosphor blend for an LED light source comprising from about 25 to about 35 weight percent of a cerium-activated yttrium aluminum garnet phosphor, from about 5 to about 10 weight percent of a europium-activated strontium calcium silicon nitride phosphor, and from about 50 to about 75 weight percent of a europium-activated calcium magnesium chlorosilicate phosphor. |
| 地址 |
Danvers MA US |
