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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 12503640 B1

PDFFull Text
Date of Patent:
Dec. 23, 2025

Filed:

Jan. 19, 2022

Quantum dot, and ink composition, optical member and electronic device including the same

Applicant:

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

Inventors:

Sanghee Yu, Yongin-si, KR;

Kawon Pak, Yongin-si, KR;

Seunghee Jang, Yongin-si, KR;

Kyungsig Lee, Yongin-si, KR;

Taekjoon Lee, Yongin-si, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Brook Kebede

Int. Cl.
CPC ...
C09K 11/02 (2006.01); C09D 11/037 (2014.01); C09D 11/50 (2014.01); C09K 11/08 (2006.01); C09K 11/88 (2006.01); H10K 50/115 (2023.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C09K 11/025 (2013.01); C09D 11/037 (2013.01); C09D 11/50 (2013.01); C09K 11/0883 (2013.01); C09K 11/883 (2013.01); H10K 50/115 (2023.02); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01);
Abstract

Provided are a quantum dot including a core including crystals of a first semiconductor; a shell located on the core and including crystals of at least one second semiconductor; a first region located on the shell and including a first ligand; and an outerlayer located on the first region and an oligomer and/or polymer including a metal and a polar organic group, and an ink composition, an electronic device, and an optical member including the quantum dot.

Find Patent Forward Citations

Yu, Sanghee. (2025). Quantum dot, and ink composition, optical member and electronic device including the same (U.S. Patent No. 12503640). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12503640

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

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