发明名称 LIGHT DIRECTING FILM
摘要 A light directing film includes a back major surface having light reflection regions and light transmission regions and being planar, and a front major surface opposing the back surface. The front surface is planar and a plurality of lenses is disposed between the front surface and the back surface. At least selected light transmission regions are registered with selected lens elements. A method for forming the light directing film and illuminated signs utilizing the light directing films are also described.
申请公布号 US2013100647(A1) 申请公布日期 2013.04.25
申请号 US201113807166 申请日期 2011.06.29
申请人 SHERMAN AUDREY A.;SCHAFFER KEVIN R.;THOMPSON DAVID SCOTT;MERRILL WILLIAM WARD;MEIS MICHAEL A.;3M INNOVATIVE PROPERTIES COMPANY 发明人 SHERMAN AUDREY A.;SCHAFFER KEVIN R.;THOMPSON DAVID SCOTT;MERRILL WILLIAM WARD;MEIS MICHAEL A.
分类号 F21V5/04;G09F13/04 主分类号 F21V5/04
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