发明名称 |
Light guide with extraction structures |
摘要 |
A light distribution device having a light-redirecting surface with a plurality of light extraction structures having a riser segment, plateau segment, and facet segment, with adjacent light extraction structures being separated by lands. The light extraction structures improve extraction efficiency, thereby facilitating use of available light from a light source.
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申请公布号 |
US6379016(B1) |
申请公布日期 |
2002.04.30 |
申请号 |
US20000669932 |
申请日期 |
2000.09.26 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
BOYD GARY T.;MILLER RICHARD;WHITNEY LELAND R.;EPSTEIN KENNETH A. |
分类号 |
G02B6/00;F21V8/00;F21Y101/02;G02B5/02;G02F1/13357;(IPC1-7):F21V7/04 |
主分类号 |
G02B6/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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