发明授权
- 专利标题: Semiconductor light emitting light concentration device
- 专利标题(中): 半导体发光光集中装置
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申请号: US691864申请日: 1991-04-26
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公开(公告)号: US5181220A公开(公告)日: 1993-01-19
- 发明人: Tetsuya Yagi
- 申请人: Tetsuya Yagi
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人: Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX60-159055 19850716
- 主分类号: H01L33/20
- IPC分类号: H01L33/20 ; H01L33/46
摘要:
A semiconductor light emitting light concentration device is described which has a multiple diffraction ring for collecting and concentrating the light emitted from an LED integrally formed into the electrode at the semiconductor substrate end of the light emitting device.
公开/授权文献
- US5754778A Electronic mail system 公开/授权日:1998-05-19
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