| 发明名称 | Light emitting device | ||
| 摘要 | A light-emitting device includes: a substrate; a first semiconductor layer disposed on the substrate and having a first surface; a rough structure formed in the first semiconductor layer, the rough structure comprising porous structures formed therein and a portion of the porous structures having openings exposed on the first surface of the first semiconductor layer; and an active layer formed on the first semiconductor layer. | ||
| 申请公布号 | US9166105(B2) | 申请公布日期 | 2015.10.20 |
| 申请号 | US201213729842 | 申请日期 | 2012.12.28 |
| 申请人 | EPISTAR CORPORATION | 发明人 | Kuo De-Shan;Ko Ting-Chia;Tu Chung-Hsiang |
| 分类号 | H01L33/22;H01L31/0236;H01L33/00 | 主分类号 | H01L33/22 |
| 代理机构 | Patterson & Sheridan, LLP | 代理人 | Patterson & Sheridan, LLP |
| 主权项 | 1. A light-emitting device comprising: a substrate; a first semiconductor layer disposed on the substrate and having a first surface; a rough structure formed in the first semiconductor layer, the rough structure comprising porous structures formed therein and a portion of the porous structures having openings exposed on the first surface of the first semiconductor layer; and an active layer formed on the first semiconductor layer. | ||
| 地址 | Hsinchu TW | ||