| 发明名称 |
LIGHT-EMITTING DEVICE AND THE MANUFACTURING METHOD THEREOF |
| 摘要 |
A light-emitting device includes: a light-emitting stack having an upper surface having a first surface roughness less than 0.2 nm; and an as-cut wafer comprising an irregularly uneven surface facing the light-emitting stack and having a second surface roughness greater than 0.5 μm. |
| 申请公布号 |
US2014319559(A1) |
申请公布日期 |
2014.10.30 |
| 申请号 |
US201313870008 |
申请日期 |
2013.04.25 |
| 申请人 |
EPISTAR CORPORATION |
发明人 |
Guo Yi-Lin;Ou Chen;Lee Chi-Ling;Wang Wei-Han;Shen Hui-Tang;Wu Chi-Hung;Yang Hung-Chih |
| 分类号 |
H01L33/22;H01L33/12 |
主分类号 |
H01L33/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A light-emitting device, comprising:
a light-emitting stack having an upper surface having a first surface roughness less than 0.2 nm; and an as-cut wafer comprising an irregularly uneven surface facing the light-emitting stack and having a second surface roughness greater than 0.5 μm. |
| 地址 |
Hsinchu TW |
