发明申请
- 专利标题： LED SUBSTRATE AND LED
- 专利标题（中）： LED基板和LED
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申请号： US13154445申请日： 2011-06-07
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公开(公告)号： US20120292630A1公开(公告)日： 2012-11-22
- 发明人: Yew-Chung Sermon Wu , Feng-Ching Hsiao , Yu-Chung Chen , Bo-Hsiang Tseng , Bo-Wen Lin , Chun-Yen Peng , Wen-Ching Hsu
- 申请人： Yew-Chung Sermon Wu , Feng-Ching Hsiao , Yu-Chung Chen , Bo-Hsiang Tseng , Bo-Wen Lin , Chun-Yen Peng , Wen-Ching Hsu
- 申请人地址： TW Hsinchu City
- 专利权人： SINO-AMERICAN SILICON PRODUCTS INC.
- 当前专利权人： SINO-AMERICAN SILICON PRODUCTS INC.
- 当前专利权人地址： TW Hsinchu City
- 优先权： TW100117040 20110516
- 主分类号： H01L33/22
- IPC分类号： H01L33/22 ; H01L33/30
摘要：
A light emitting diode (LED) substrate including a sapphire substrate is provided. The sapphire substrate has a surface consisting of a plurality of upper trigonal and lower hexagonal tapers, wherein each of the upper trigonal and lower hexagonal tapers is consisted of a hexagonal taper and a trigonal taper on the hexagonal taper, and a pitch of the upper trigonal and lower hexagonal tapers is less than 10 μm. This LED substrate has high light-emitting efficiency.
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