US Patent Issued to BOE TECHNOLOGY GROUP on Aug. 12 for "OLED device, display apparatus and manufacturing method therefor" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,738, issued on Aug. 12, was assigned to BOE TECHNOLOGY GROUP Co. LTD. (Beijing).

"OLED device, display apparatus and manufacturing method therefor" was invented by Lei Chen (Beijing) and Congcong Jia (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light-emitting diode (OLED) device includes a first electrode, a light-emitting layer, an electron blocking layer and a second electrode. A material of the light-emitting layer includes a host material and a trap material. A lowest unoccupied molecular orbital energy level of the trap material is lower than a lowest unoccupied molecular orbital energy level of the host material, a highes...