LIGHT DIRECTING COMPOSITE FILM FOR ENERGY EFFICIENT SIGN
摘要
A light directing composite film includes a planar top major surface, a planar bottom major surface, a plurality of lenticular lens elements disposed between the top major surface and the bottom major surface, and a plurality of light reflection regions and light transmission regions disposed between the plurality of lenticular lens and the planar bottom major surface.
申请公布号
WO2011082140(A2)
申请公布日期
2011.07.07
申请号
WO2010US62171
申请日期
2010.12.28
申请人
3M INNOVATIVE PROPERTIES COMPANY;MEIS, MICHAEL A.,;FREIER, DAVID G.,;FLEMING, PATRICK R.,
发明人
MEIS, MICHAEL A.,;FREIER, DAVID G.,;FLEMING, PATRICK R.,