The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Feb. 24, 2021
Applicant:
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Haiyan Sun, Beijing, CN;
Xiaojin Zhang, Beijing, CN;
Assignee:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H10K 50/115 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 71/13 (2023.01); H10K 71/60 (2023.01); H10K 85/10 (2023.01); H10K 85/60 (2023.01); H10K 101/30 (2023.01); H10K 102/10 (2023.01);
U.S. Cl.
CPC ...
H10K 50/15 (2023.02); H10K 50/115 (2023.02); H10K 50/16 (2023.02); H10K 71/135 (2023.02); H10K 71/60 (2023.02); H10K 85/1135 (2023.02); H10K 85/631 (2023.02); H10K 2101/30 (2023.02); H10K 2102/103 (2023.02);
Abstract
The present disclosure provides a light-emitting device, a manufacturing method thereof, and a display device. The light-emitting device includes an anode, a cathode, a light-emitting layer between the anode and the cathode, and a hole transport layer between the anode and the light-emitting layer. The hole transport layer includes a first compound and a second compound, and an absolute value of an energy level of the highest occupied molecular orbital of the second compound is greater than or equal to 5 eV and less than or equal to 6.5 eV.