ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,210,161, issued on Jan. 28, was assigned to Magic Leap Inc. (Plantation, Fla.).
"Outcoupling grating for augmented reality system" was invented by Robert D. Tekolste (Boulder, Colo.) and Victor K. Liu (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An eyepiece for use in front of an eye of a viewer includes a waveguide having a surface and a diffractive optical element (DOE) optically coupled to the waveguide. The DOE includes a plurality of first ridges protruding from the surface of the waveguide and arranged as a periodic array having a period, each respective first ridge has a first height and a respective first width. The DOE ...