ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,370, issued on May 12, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Holographic VR display" was invented by Changwon Jang (Kirkland, Wash.), Afsoon Jamali (Issaquah, Wash.) and Zhimin Shi (Bellevue, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A holographic display includes an illuminator, a spatial light modulator (SLM) coupled to the illuminator, and an ocular lens coupled to the SLM. The illuminator provides a wide-area illuminating light beam to illuminate the SLM with a spatially homogeneous beam of light. The illuminator may include a slab waveguide with an evanescent out-coupler, or a beam expander based on a ...