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.

Date of Patent:
Apr. 04, 2023

Filed:

Sep. 05, 2019
Applicants:

Zhejiang University, Zhejiang, CN;

Najing Technology Corporation Limited, Zhejiang, CN;

Inventors:

Xiaogang Peng, Zhejiang, CN;

Chaodan Pu, Zhejiang, CN;

Yizheng Jin, Zhejiang, CN;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/02 (2006.01); C09K 11/88 (2006.01); H10K 50/115 (2023.01); H05B 33/14 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C09K 11/025 (2013.01); C09K 11/883 (2013.01); H01L 51/502 (2013.01); H05B 33/14 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01);
Abstract

Provided are a QLED and a method for manufacturing a quantum dot. The QLED comprises a quantum dot, the quantum dot comprises a quantum dot body and ligands arranged on an outer surface of the quantum dot body, wherein the ligands comprises at least one electrochemical inert ligand; a reduction potential of the at least one electrochemical inert ligand is greater than a potential of a bottom of conduction band of the quantum dot body; an oxidation potential of the at least one electrochemical inert ligand is less than a potential of top of a valence band the quantum dot body; and the electrochemical inert ligand accounts for at least 80% of all the ligands on the outer surface of the quantum dot body.


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