US Patent Issued to Meta Platforms Technologies on Oct. 6 for "High-contrast pancake lens with pass-polarization absorber" (Washington Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,423, issued on Oct. 6, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"High-contrast pancake lens with pass-polarization absorber" was invented by Andrew John Ouderkirk (Kirkland, Wash.), Fenglin Peng (Redmond, Wash.), Ying Geng (Clyde Hill, Wash.) and Brian Wheelwright (Sammamish, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device may include an optical system that creates an image to a user and a light-absorbing element that absorbs a portion of the light transmitted by the optical system. The optical system may include a beamsplitting element and a reflective polarizer that reflects a first handedness of circularl...