ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,599, issued on Aug. 5, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).
"Light guide and near-eye display apparatus" was invented by Haifeng Zhou (Dongguan, China), Liming Liu (Dongguan, China) and Ziqian Ding (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to light guides and near-eye display apparatuses. One example light guide includes a light guide plate and a two-dimensional grating that is disposed on a surface of the light guide plate. The two-dimensional grating includes a plurality of grating units arranged in a planar shape, the grating units are arranged at an interval of a firs...