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. 10, 2026
Filed:
Jul. 13, 2022
Applicants:
Beijing Boe Technology Development Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventor:
Haowei Wang, Beijing, CN;
Assignees:
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/30 (2023.01); C07F 3/06 (2006.01); H10K 71/12 (2023.01); H10K 50/16 (2023.01);
U.S. Cl.
CPC ...
H10K 85/381 (2023.02); C07F 3/06 (2013.01); H10K 71/12 (2023.02); H10K 50/16 (2023.02);
Abstract
An electron transport material, an electroluminescent device and a preparation method therefor, and a display apparatus. The electron transport material includes: inorganic metal oxide nanoparticles, and a ligand for modifying the inorganic metal oxide nanoparticles, wherein the ligand includes a coordination group, and the coordination group is coordinated with and bound to at least one of a hydroxyl group and a metal cation on the surface of the inorganic metal oxide nanoparticles.