发明名称 |
PHOSPHOR BLEND FOR AN LED LIGHT SOURCE AND LED LIGHT SOURCE INCORPORATING SAME |
摘要 |
<p>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.</p> |
申请公布号 |
EP2467448(A1) |
申请公布日期 |
2012.06.27 |
申请号 |
EP20100747362 |
申请日期 |
2010.08.17 |
申请人 |
OSRAM SYLVANIA INC. |
发明人 |
SELVERIAN, JOHN;LEVIN, ROBERT, E. |
分类号 |
H05B33/14;C09K11/59;C09K11/61;C09K11/80;H01L33/50 |
主分类号 |
H05B33/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|