ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,401, issued on Oct. 28, was assigned to Moxtek Inc. (Orem, Utah).

"Metasurface with overcoat and equal pillar spacing" was invented by Daniel Bacon-Brown (Sandy, Utah) and Bradley R. Williams (Pocatello, Idaho).

According to the abstract* released by the U.S. Patent & Trademark Office: "Optical metasurfaces can manipulate a light wavefront without traditional lenses. They can include pillars with subwavelength dimensions on a substrate. The pillars can vary in size, shape, and spacing across a surface of the substrate. Each pillar size and shape can diffract incident light and provide a unique electromagnetic response. The metasurface can provide desired light wavefront manipulat...