ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,507, issued on Dec. 16, was assigned to Envisics Ltd (Milton Keynes, Great Britain).
"Light control film" was invented by Timothy Smeeton (Milton Keynes, Great Britain) and Yiren Xia (Milton Keynes, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a light control film includes providing a plurality of alternating layers of transparent material and light absorbing material. Each layer of light absorbing material is interspersed between respective layers of transparent material. The plurality of alternating layers are stacked in a stacking direction perpendicular to the plane of a surface of at least one of the pl...