ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,723, issued on Aug. 11, was assigned to Amazon Technologies Inc. (Seattle).
"Homogenous light intensity output from a waveguide combiner" was invented by Pierre-Alexandre Blanche (Tucson, Ariz.), Benjamin David Chrysler (Tucson, Ariz.) and Arkady Bablumyan (Escondido, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for an optical waveguide with homogenous light intensity output are described herein. In an example, an optical waveguide system includes an optical waveguide substrate and a first holographic layer coupled to the optical waveguide substrate and configured to inject light into the optical waveguide substrate as injected l...