US Patent Issued to Meta Platforms Technologies on Dec. 2 for "Eye tracking system with in-plane illumination" (Washington, Arizona, California Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,672, issued on Dec. 2, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Eye tracking system with in-plane illumination" was invented by Qi Zhang (Kirkland, Wash.), Chad Lichtenhan (Tucson, Ariz.), Morteza Karami (Renton, Wash.), Kuan Pei Yap (San Jose, Calif.) and Mehmet Mutlu (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An eye tracking system with in-optical-assembly plane illumination is described. Side-emitting light emitting diodes (LEDs) aligned with a plane of an optical assembly of a near-eye display device are used to illuminate the eye of a user and generate glints that can be detected by an eye tracki...