US Patent Issued to NANCHANG VIRTUAL REALITY RESEARCH INSTITUTE on Sept. 8 for "Diffractive optical waveguide display apparatus" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,311, issued on Sept. 8, was assigned to NANCHANG VIRTUAL REALITY RESEARCH INSTITUTE Co. LTD. (Nanchang, China).

"Diffractive optical waveguide display apparatus" was invented by Mingli Ni (Nanchang, China), Zhixian Tan (Nanchang, China) and Jianjun Li (Nanchang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diffractive optical waveguide display apparatus including a diffraction grating, where the diffraction grating is provided with a waveguide sheet on one side, and the diffraction grating is provided with an image source on the other side. A beam emitted by the image source passes through the diffraction grating and enters the waveguide s...