发明授权
- 专利标题： High aspect ratio lighting element
- 专利标题（中）： 高比例照明元件
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申请号： US748030申请日： 1991-08-21
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公开(公告)号： US5190370A公开(公告)日： 1993-03-02
- 发明人: Richard A. Miller , Kenneth A. Aho , Sanford Cobb, Jr.
- 申请人： Richard A. Miller , Kenneth A. Aho , Sanford Cobb, Jr.
- 申请人地址： MN St. Paul
- 专利权人： Minnesota Mining and Manufacturing Company
- 当前专利权人： Minnesota Mining and Manufacturing Company
- 当前专利权人地址： MN St. Paul
- 主分类号： F21S2/00
- IPC分类号： F21S2/00 ; F21S8/10 ; F21V5/00 ; F21V5/02 ; F21V5/04 ; F21V7/00 ; F21V8/00 ; F21V13/02 ; F21Y101/00 ; G02B5/02 ; G02B5/04 ; G02B6/00 ; G02B27/00 ; G02F1/13357
摘要：
A lighting element has a light source positioned so as to provide a beam of light at a grazing angle to a light extractor. The extractor has a plurality linear triangular prism on the side struck by the beam of light. The prisms lie in a smooth arcuate curve.
公开/授权文献
- US4590655A Method for expanding a tubular member 公开/授权日：1986-05-27
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