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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 12760222 B1

PDFFull Text
Date of Patent:
Oct. 13, 2026

Filed:

Dec. 11, 2023

Semiconductor nanocrystal, light-emitting film, production method of the light-emitting film, light emitting device, and display device

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Kwanghee Kim, Seoul, KR;

Tae Hyung Kim, Seoul, KR;

Hongkyu Seo, Anyang-si, KR;

Won Sik Yoon, Seoul, KR;

Jaeyong Lee, Suwon-si, KR;

Eun Joo Jang, Suwon-si, KR;

Oul Cho, Suwon-si, KR;

Assignees:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

William D Young

Int. Cl.
CPC ...
C09K 11/70 (2006.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C09K 11/88 (2006.01); H10K 50/115 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01);
U.S. Cl.
CPC ...
C09K 11/703 (2013.01); C09K 11/883 (2013.01); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); H10K 50/115 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02);
Abstract

A semiconductor nanocrystal including an anion of an inorganic metal salt and a first organic ligand bound to a surface of the semiconductor nanocrystal, wherein the first organic ligand includes a substituted or unsubstituted C6 to C30 aromatic ring group and a carboxylate, a substituted or unsubstituted C3 to C30 aromatic hetero cyclic group and a carboxylate, or a combination thereof.

Find Patent Forward Citations

Kim, Kwanghee. (2026). Semiconductor nanocrystal, light-emitting film, production method of the light-emitting film, light emitting device, and display device (U.S. Patent No. 12760222). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12760222

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

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