US 12,466,995 B2
Soluble graphene quantum dots and light-emitting device using the same
Sangwon Kim, Seoul (KR); Xinliang Feng, Dresden (DE); Fupeng Wu, Dresden (DE); Junzhi Liu, Dresden (DE); Klaus Muellen, Dresden (DE); Wenhui Niu, Dresden (DE); and Hyeonjin Shin, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Apr. 14, 2022, as Appl. No. 17/720,518.
Claims priority of application No. 10-2021-0050020 (KR), filed on Apr. 16, 2021.
Prior Publication US 2022/0333010 A1, Oct. 20, 2022
Int. Cl. 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)
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)] 16 Claims
OG exemplary drawing
 
1. A soluble graphene quantum dot comprising:
an anthracenyl N-alkyl maleimide functional group at an edge thereof,
wherein the soluble graphene quantum dot is represented by at least one of Formulas 1 to 8,

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry
wherein, in Formulas 1 to 8, among the Rs,
at least one R is the anthracenyl N-alkyl maleimide functional group, and other Rs are hydrogen atoms.