<p>An illumination assembly that includes a light guide and a plurality of light sources positioned to direct light into the light guide through an input surface of the light guide is disclosed. The assembly further includes a structured surface layer positioned between the plurality of light sources and the input surface of the light guide. 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 plurality of structures includes a refractive index n1 that is different from a refractive index n2 of the light guide.</p>
申请公布号
WO2012075352(A1)
申请公布日期
2012.06.07
申请号
WO2011US62981
申请日期
2011.12.02
申请人
3M INNOVATIVE PROPERTIES COMPANY;THOMPSON, DAVID SCOTT;WHEATLEY, JOHN A.;BENOIT, GILLES J.
发明人
THOMPSON, DAVID SCOTT;WHEATLEY, JOHN A.;BENOIT, GILLES J.