| 发明名称 |
PHOSPHOR CERAMIC, SEALED OPTICAL SEMICONDUCTOR ELEMENT, CIRCUIT BOARD, OPTICAL SEMICONDUCTOR DEVICE AND LIGHT-EMITTING DEVICE |
| 摘要 |
The phosphor ceramic has pores with a pore diameter of 3.0 µm or more and 12.0 µm or less. In the phosphor ceramic, a pore volume percentage of pores with a pore diameter of 3.0 µm or more and 12.0 µm or less is 1.5% by volume or more and 9.5% by volume or less. |
| 申请公布号 |
EP3144985(A1) |
申请公布日期 |
2017.03.22 |
| 申请号 |
EP20160752277 |
申请日期 |
2016.02.02 |
| 申请人 |
Nitto Denko Corporation |
发明人 |
FUJII, Hironaka;SHIRAKAWA, Masahiro |
| 分类号 |
H01L33/50;F21V13/12;F21Y115/10;H01L33/52;H01L33/60;H01L33/62 |
主分类号 |
H01L33/50 |
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