US Patent Issued to BOE Technology Group on May 27 for "Organic light emitting device having hole injection layer with doping concentration of first doping material gradually decreasing in direction away from anode, display device, preparation method and storage medium" (Chinese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,671, issued on May 27, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Organic light emitting device having hole injection layer with doping concentration of first doping material gradually decreasing in direction away from anode, display device, preparation method and storage medium" was invented by Xinghua Liu (Beijing), Xiaojin Zhang (Beijing) and Haiyan Sun (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an organic light emitting device, a display device, a preparation method, a storage medium and a computer equipment. The organic light emitting device includes an anode, an organic layer and a ...