发明授权
- 专利标题： High-efficiency light-emitting device and manufacturing method thereof
- 专利标题（中）： 高效发光元件及其制造方法
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申请号： US12073284申请日： 2008-03-04
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公开(公告)号： US08097897B2公开(公告)日： 2012-01-17
- 发明人: Chia-Ming Chuang , Donald Tai-Chan Huo , Chia-Chen Chang , Tzu-Ling Yang , Chen Ou
- 申请人： Chia-Ming Chuang , Donald Tai-Chan Huo , Chia-Chen Chang , Tzu-Ling Yang , Chen Ou
- 申请人地址： TW Hsinchu
- 专利权人： Epistar Corporation
- 当前专利权人： Epistar Corporation
- 当前专利权人地址： TW Hsinchu
- 代理机构： Bacon & Thomas, PLLC
- 主分类号： H01L33/00
- IPC分类号： H01L33/00 ; H01L33/14 ; H01L33/22
摘要：
This invention provides a high-efficiency light-emitting device and the manufacturing method thereof. The high-efficiency light-emitting device includes a substrate; a reflective layer; a bonding layer; a first semiconductor layer; an active layer; and a second semiconductor layer formed on the active layer. The second semiconductor layer includes a first surface having a first lower region and a first higher region.