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:
Feb. 04, 2025
Filed:
Jan. 11, 2021
Applicant:
Boe Technology Group Co., Ltd., Beijing, CN;
Inventor:
Jingwen Feng, Beijing, CN;
Assignee:
BOE Technology Group Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C08K 3/22 (2006.01); C08K 3/30 (2006.01); H10K 50/115 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 71/00 (2023.01); H10K 85/10 (2023.01); B82Y 20/00 (2011.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/15 (2023.02); C08K 3/22 (2013.01); C08K 3/30 (2013.01); H10K 50/115 (2023.02); H10K 50/16 (2023.02); H10K 50/17 (2023.02); H10K 71/00 (2023.02); H10K 85/10 (2023.02); B82Y 20/00 (2013.01); C08K 2003/2248 (2013.01); C08K 2003/2293 (2013.01); C08K 2003/3009 (2013.01); C08K 2201/001 (2013.01); C08K 2201/011 (2013.01); H10K 2102/351 (2023.02);
Abstract
The present invention provides QLED devices, hole transport materials and producing methods thereof, and display devices. A hole transport material includes a polymer, wherein the polymer is a single nanoparticle including at least a first metal compound and a second metal compound, the first metal compound and the second metal compound are linked via a covalent bond or a Van der Waals force, and valence band energy levels of the first metal compound and the second metal compound are different.