ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,663, issued on July 21, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Light control film having second louvers inclined with respect to first louvers" was invented by Mark A. Roehrig (Stillwater, Minn.), Zhaohui Yang (North Oaks, Minn.), Tri Dinh Pham (Woodbury, Minn.), Cynthia Y. Tamaki (Arden Hills, Minn.), Owen M. Anderson (Minneapolis) and Robert Bennett (Berkshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light control film includes a first portion and a second portion laminated to the first portion. The first portion includes a first functional substrate and a plurality of first louvers formed on the fi...