ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,504, issued on Feb. 11, was assigned to Pixieray Oy (Espoo, Finland).
"Optical elements with spatially-variable optical power" was invented by Klaus Melakari (Espoo, Finland), Niko Eiden (Espoo, Finland) and Rebecca Qing Melakari (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical apparatus includes an active optical element including an active material encased between a first substrate and a second substrate. Means for selectively controlling the active material in a central portion and a plurality of sectors of the active optical element is employed. The central portion and the plurality of sectors are arranged around an opti...