ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,667, issued on Dec. 23, was assigned to Magic Leap Inc. (Plantation, Fla.).
"Waveguide light multiplexer using crossed gratings" was invented by Chulwoo Oh (Sammamish, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A two-dimensional waveguide light multiplexer can efficiently multiplex and distribute a light signal in two dimensions. An example of a two-dimensional waveguide light multiplexer can include a waveguide, a first diffraction grating, and a second diffraction grating arranged such that the grating direction of the first diffraction grating is perpendicular to the grating direction of the second diffraction grating. In some examples,...