| 发明名称 |
BLUE LIGHT-EMITTING PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME |
| 摘要 |
A blue light-emitting Eu-activated silicate phosphor having a constitutional formula of Sr3MgSi2O8 which contains Eu in an amount of 0.001 to 0.2 mol per one mole of Mg and further a rare earth metal element selected from the group consisting of Sc, Y, Gd, Tb and La in an amount of 0.0001 to 0.03 mol, per one mole of Mg, gives an emission with enhanced emission strength when it is excited with a light having a wavelength in the region of 350 to 430 nm. |
| 申请公布号 |
US2014151732(A1) |
申请公布日期 |
2014.06.05 |
| 申请号 |
US201214001532 |
申请日期 |
2012.02.24 |
| 申请人 |
UBE MATERIAL INDUSTRIES, LTD. |
发明人 |
Fukuda Kouichi;Amagai Jin;Noguchi Seiji;Inagaki Toru;Tanaka Masaki |
| 分类号 |
H01L33/50 |
主分类号 |
H01L33/50 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A blue light-emitting Eu-activated silicate phosphor having a constitutional formula of Sr3MgSi2O8 containing Eu in an amount of 0.001 to 0.2 mol per one mole of Mg and a rare earth metal element selected from the group consisting of Sc, Y, Gd, Tb and La in an amount of 0.0001 to 0.03 mol, per one mole of Mg, said Eu-activated silicate phosphor emitting a blue light when it is excited with a light having a wavelength region of 350 to 430 nm.
|
| 地址 |
Ube-shi, Yamaguchi JP |
