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.:
Date of Patent:
Nov. 11, 2025
Filed:
Apr. 14, 2022
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Sangwon Kim, Seoul, KR;
Xinliang Feng, Dresden, DE;
Fupeng Wu, Dresden, DE;
Junzhi Liu, Dresden, DE;
Klaus Muellen, Dresden, DE;
Wenhui Niu, Dresden, DE;
Hyeonjin Shin, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/65 (2006.01); C01B 32/182 (2017.01); C09K 11/02 (2006.01); H10K 50/115 (2023.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
C09K 11/65 (2013.01); C01B 32/182 (2017.08); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01); H10K 50/115 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 2102/00 (2023.02);
Abstract
Provided are soluble graphene quantum dots and light-emitting devices including the same. The soluble graphene quantum dot has an anthracenyl N-alkyl maleimide functional group at an edge thereof, thereby exhibiting improved solubility and/or improved emission characteristics.