ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,424, issued on Oct. 6, was assigned to Apple Inc. (Cupertino, Calif.).

"Display devices with one-dimensional pupil replication" was invented by Brandon Born (Sunnyvale, Calif.), Gaurav Bose (Espoo, Finland), Ciaran P Phelan (Wallingford, Great Britain) and Choon How Gan (Cheltenham, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display may include a waveguide, projector that produces light, and an input coupler that couples the light into the waveguide. To maximize luminance uniformity, the display may include structures that perform one-dimensional pupil replication on the image light in a direction orthogonal to the direction of pr...