ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,305, issued on July 15, was assigned to DISPELIX OY (Finland).
"Optical waveguide for augmented reality display" was invented by Petri Stenberg (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "This document discloses a solution for an optical waveguide for an augmented reality display device. According to an aspect, the optical waveguide comprises: a substrate arranged to guide an optical image inside the substrate from an inlet to an outlet of the optical waveguide via a plurality of reflections; a surface relief grating at the inlet or the outlet of the optical waveguide, the surface relief grating guiding the image in the optical wa...