US Patent Issued to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS on April 14 for "Optical structure and optical device" (Chinese Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,918, issued on April 14, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Dongguan, China).

"Optical structure and optical device" was invented by Chuhao Jiang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses an optical structure. The optical structure includes a waveguide, and a first coupling-out grating, a second coupling-out grating, and a third coupling-out grating provided on the waveguide. The third coupling-out grating is located between the first coupling-out grating and the second coupling-out grating; the first coupling-out grating is a two-dimensional grating having a...