ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,737, issued on Nov. 3, was assigned to Goertek Optical Technology Co. Ltd. (Weifang, China).
"Grating structure, lens, and head-mounted display" was invented by Lichuan Liu (Shandong, China) and Yi Rao (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a grating structure, a lens, and a head-mounted display. The grating structure comprises a base and a plurality of grating sections provided on a surface of the base, the plurality of grating sections are spaced apart in an extending direction of the base, at least a portion of a surface of the grating section is coated with an enhancement layer, and the enh...