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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.:

US 12696675 B1

PDFFull Text
Date of Patent:
Jul. 28, 2026

Filed:

Nov. 19, 2021

Quantum dot film, method for patterning the quantum dot film and applications thereof

Applicants:

Beijing Boe Technology Development Co., Ltd., Beijing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Haowei Wang, Beijing, CN;

Zhuo Li, Beijing, CN;

Jingwen Feng, Beijing, CN;

Assignees:

BOE Technology Group Co Ltd, Beijing, CN;

Beijing BOE Technology Development Co., Ltd., Beijing, CN;

Attorney:
Primary Examiner:

Chad M Dicke

Assistant Examiner:

Dave undefined Tan

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.

Find Patent Forward Citations

Wang, Haowei. (2026). Quantum dot film, method for patterning the quantum dot film and applications thereof (U.S. Patent No. 12696675). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12696675

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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