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:
Jul. 28, 2026
Filed:
Nov. 19, 2021
Applicants:
Beijing Boe Technology Development Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Assignees:
BOE Technology Group Co Ltd, Beijing, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10K 71/12 (2023.01); C09K 11/06 (2006.01); H10K 50/115 (2023.01); H10K 59/35 (2023.01);
U.S. Cl.
CPC ...
H10K 71/12 (2023.02); C09K 11/06 (2013.01); H10K 50/115 (2023.02); H10K 59/35 (2023.02);
Abstract
A quantum dot film includes a target color quantum dot film and a residual non-target color quantum dot film, wherein a ligand for the target color quantum dot of the target color quantum dot film is an oil-soluble ligand, and a ligand for the residual non-target color quantum dot of the residual non-target color quantum dot film is selected from any one or more of halogen ions and short-chain organic ligands whose carbon chain length is in a range of 2 to 18 carbons.