发明授权
- 专利标题: Multiple encapsulation of phosphor-LED devices
- 专利标题(中): 磷光体LED器件的多重封装
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申请号: US144744申请日: 1998-09-01
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公开(公告)号: US5959316A公开(公告)日: 1999-09-28
- 发明人: Christopher Haydn Lowery
- 申请人: Christopher Haydn Lowery
- 申请人地址: CA Palo Alto
- 专利权人: Hewlett-Packard Company
- 当前专利权人: Hewlett-Packard Company
- 当前专利权人地址: CA Palo Alto
- 主分类号: H01L33/50
- IPC分类号: H01L33/50 ; H01L33/00
摘要:
A semiconductor device has a light-emitting diode covered by a transparent spacer which separates the LED from a uniformly thick fluorescent material containing layer such that there is a more uniform lighting of the fluorescent material containing layer to provide a uniform white light.
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