<p>The present invention includes a structured optical film with variable pitch peaks and/or grooves to reduce the visibility of moir+E,acu e+EE interference patterns and optical displays incorporating one or more layers of the film. The pitch variations can be over groups of adjacent peaks and/or valleys or between adjacent pairs of peaks and/or valleys.</p>
申请公布号
EP0892931(B1)
申请公布日期
2003.12.17
申请号
EP19970906797
申请日期
1997.03.03
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
COBB, SANFORD, JR.;GARDINER, MARK, E.;KOTCHICK, KEITH, M.;TOYOOKA, KAZUHIKO;HIBBARD, WILLIAM, A.
