发明名称 |
ILLUMINATION ASSEMBLY AND METHOD OF FORMING SAME |
摘要 |
An illumination assembly that includes a light guide and a plurality of light sources operable to direct light into the light guide is disclosed. The light sources have a center-to-center spacing of at least 15 mm, and a distance between a primary emitting surface of at least one light source of the plurality of light sources and the input surface is no greater than 1 mm. The assembly further includes a structured surface layer positioned between the plurality of light sources and the input surface. The structured surface layer includes a substrate and a plurality of structures on a first surface of the substrate facing the plurality of light sources. The assembly further includes a plurality of extraction features operable to direct light from the light guide through an output surface of the light guide.
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申请公布号 |
US2013258709(A1) |
申请公布日期 |
2013.10.03 |
申请号 |
US201113991554 |
申请日期 |
2011.12.02 |
申请人 |
THOMPSON DAVID SCOTT;WHEATLEY JOHN A.;BENOIT GILLES J.;3M INNOVATION PROPERTIES COMPANY |
发明人 |
THOMPSON DAVID SCOTT;WHEATLEY JOHN A.;BENOIT GILLES J. |
分类号 |
F21V8/00 |
主分类号 |
F21V8/00 |
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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