US Patent Issued to Huawei Technologies, Beijing Institute of Technology on March 3 for "Diffractive image combiner, display device module, and head-mounted display device" (Chinese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,329, issued on March 3, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China) and Beijing Institute of Technology (Beijing).

"Diffractive image combiner, display device module, and head-mounted display device" was invented by Juan Liu (Beijing), Zhihao Xing (Beijing) and Xinhui Duan (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diffractive image combiner is provided, to increase an exit pupil dimension, thereby improving user experience. The diffractive image combiner includes a first diffractive optical element (DOE) and a second DOE. The first DOE is parallel to the second DOE. A grating vector of a first incidence point in th...