ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,078, issued on April 8, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"High performance backlight device using photonic integrated circuits" was invented by Zhimin Shi (Bellevue, Wash.), James Ronald Bonar (Redmond, Wash.) and Wanli Chi (Sammamish, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure relate to a high performance backlight device with photonic integrated circuits. The backlight device includes a light source assembly, a multi-mode slab waveguide, and an out-coupling assembly. The light source assembly includes one or more light sources that generate light in accordance wit...