<p>A light directing substrate includes a back major surface and a front major surface opposing the back surface. The back major surface includes light reflection regions and light transmission regions. The front surface includes a plurality of lenticular lens elements. A graphic image disposed on or in the light directing substrate.</p>
申请公布号
EP2519940(A2)
申请公布日期
2012.11.07
申请号
EP20100844204
申请日期
2010.12.16
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
MEIS, MICHAEL, A.;FREIER, DAVID, G.;FLEMING, PATRICK, R.;STEELMAN, RONALD, S.