ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,603, issued on Aug. 5, was assigned to Magic Leap Inc. (Plantation, Fla.).

"Display device having diffraction gratings with reduced polarization sensitivity" was invented by Kang Luo (Austin, Texas), Vikramjit Singh (Pflugerville, Texas), Nai-Wen Pi (Plano, Texas), Shuqiang Yang (Austin, Texas) and Frank Y. Xu (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Blazed diffraction gratings provide optical elements in head-mounted display systems to, e.g., incouple light into or out-couple light out of a waveguide. These blazed diffraction gratings may be configured to have reduced polarization sensitivity. Such gratings may, for example, inc...