ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,974, issued on Sept. 22, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).
"Light guide illumination assembly for providing increased contrast" was invented by Wanli Chi (Sammamish, Wash.), Sihui He (Sunnyvale, Calif.), Ying Geng (Bellevue, Wash.) and Maxwell Parsons (Seattle).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a light source configured to output a first beam, and a light guide coupled with an in-coupling element and an out-coupling element. The device includes a display panel and a lens assembly disposed at opposite sides of the light guide. The in-coupling element is configured to couple the first ...