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:
Feb. 20, 2024

Filed:

Jan. 19, 2021
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Changhee Lee, Seoul, KR;

Yunku Jung, Cheonan-si, KR;

Hyojin Ko, Seoul, KR;

Dukki Kim, Suwon-si, KR;

Sehun Kim, Yongin-si, KR;

Jaehoon Kim, Seoul, KR;

Hyunmi Doh, Seoul, KR;

Jaekook Ha, Seoul, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H10K 85/30 (2023.01); C09K 11/06 (2006.01); H10K 50/115 (2023.01); H10K 71/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/361 (2023.02); C09K 11/06 (2013.01); H10K 85/381 (2023.02); C09K 2211/10 (2013.01); C09K 2211/188 (2013.01); H10K 50/115 (2023.02); H10K 71/00 (2023.02);
Abstract

A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot, a connecting portion connected to the head portion and including a metal, and a tail portion coordinated to the metal of the connecting portion. The quantum dot composition according to the present embodiments is used to form an emission layer of a light emitting element, and may thus increase service life and luminous efficiency of the light emitting element including the emission layer formed using the quantum dot composition.


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