ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,871, issued on April 15, was assigned to Essilor International (Charenton-le-pont, France).
"High efficiency polarizing lens with color enhancement" was invented by Srinivasan Balasubramanian (Dallas), Elliot French (Dallas) and Aref Jallouli (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light filtering element, includes: at least one layer, a first layer of the at least one layer being stretched along a strain direction and including a first narrowband dye, the first narrowband dye including a first narrowband dye peak absorbance wavelength with a first narrowband dye bandwidth; and a first dichroic dye configured to absorb polarized ligh...