US Patent Issued to BOE TECHNOLOGY GROUP on Feb. 3 for "Light emitting diode device, preparation method therefor, light emitting substrate, and light emitting apparatus" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,543,430, issued on Feb. 3, was assigned to BOE TECHNOLOGY GROUP Co. LTD. (Beijing).

"Light emitting diode device, preparation method therefor, light emitting substrate, and light emitting apparatus" was invented by Haiyan Sun (Beijing) and Xiaojin Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting-diode device and a fabricating method thereof, a light emitting base plate and a light emitting apparatus. The light-emitting-diode device includes: an anode layer, a luminescent layer, a charge-carrier balancing layer, an electron transporting layer and a cathode layer that are arranged in stack; and a hole mobility of the charge-ca...