ALEXANDRIA, Va., July 21 -- United States Patent no. 12,690,346, issued on July 21, was assigned to Chengdu BOE Optoelectronics Technology Co. Ltd. (Chengdu, China) and BOE Technology Group Co. Ltd. (Beijing).

"Display substrate and preparation method thereof, and display device" was invented by Pengfei Yu (Beijing) and Chenxing Wan (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a display substrate and a preparation method thereof, and a display device. A display region and a binding region located at one side of the display region are comprised. The display region comprises a driving structure layer, an organic insulating layer disposed on the driving structure layer and a light-emitti...