US Patent Issued to Meta Platforms Technologies on March 25 for "Geometrical waveguide illuminator and display based thereon" (Washington, California Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,553, issued on March 25, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Geometrical waveguide illuminator and display based thereon" was invented by Miaomiao Xu (Redmond, Wash.), Brian Wheelwright (Sammamish, Wash.), Fenglin Peng (Redmond, Wash.), Ying Geng (Bellevue, Wash.), Changwon Jang (Bellevue, Wash.), Maxwell Parsons (Seattle), Sihui He (Sunnyvale, Calif.) and Jacques Gollier (Sammamish, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illuminator for illuminating a display panel includes a lightguide with an array of buried slanted bulk reflectors that out-couple portions of the light beam propagating in the l...