ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,788, issued on Aug. 12, was assigned to BOE Technology Group Co. Ltd. (Beijing).
"Display substrate and display device" was invented by Chengyuan Luo (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate includes a display region and hollowed-out grooves provided at a periphery of the display region. The display substrate includes a first organic base layer, a light-emitting unit provided on the base structure layer and located at the display region; the first organic base layer is provided with a groove structure located between the hollowed-out grooves and the display region. The display substrate further includes a first ino...