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:
Apr. 29, 2025
Filed:
Sep. 02, 2021
Applicants:
Beijing Boe Technology Development Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Dong Li, Beijing, CN;
Yichi Zhang, Beijing, CN;
Assignees:
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/115 (2022.12); C09K 11/06 (2005.12); H10K 85/30 (2022.12);
U.S. Cl.
CPC ...
H10K 50/115 (2023.01); C09K 11/06 (2012.12); H10K 85/322 (2023.01); H10K 85/342 (2023.01); H10K 85/371 (2023.01); C09K 2211/1018 (2012.12); C09K 2211/1029 (2012.12); C09K 2211/1044 (2012.12); C09K 2211/185 (2012.12); C09K 2211/188 (2012.12);
Abstract
Disclosed are a quantum dot material, a quantum dot light emitting device, a display apparatus and a manufacturing method. The quantum dot material includes: a quantum dot, an anionic ligand, and a linking group linking the quantum dot and the anionic ligand, wherein the anionic ligand is configured to bind to a ring molecule by electrostatic force.