US 11,939,422 B2
Copolymer, electroluminescence device material including copolymer, and electroluminescence device
Masashi Tsuji, Hwaseong-si (KR); Fumiaki Kato, Yokohama (JP); Naotoshi Suganuma, Yokohama (JP); Takahiro Fujiyama, Yokohama (JP); Yusaku Konishi, Yokohama (JP); Dae Young Chung, Suwon-si (KR); Ha Il Kwon, Suwon-si (KR); Soonmin Cha, Suwon-si (KR); and Tae Ho Kim, Seongnam-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Dec. 7, 2021, as Appl. No. 17/544,028.
Claims priority of application No. 2020-202696 (JP), filed on Dec. 7, 2020.
Prior Publication US 2022/0177642 A1, Jun. 9, 2022
Int. Cl. C08G 61/12 (2006.01); B82Y 20/00 (2011.01); H10K 50/11 (2023.01); H10K 50/115 (2023.01); H10K 50/15 (2023.01); H10K 71/00 (2023.01); H10K 71/12 (2023.01); H10K 85/10 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01); H10K 102/00 (2023.01)
CPC C08G 61/124 (2013.01) [H10K 71/12 (2023.02); H10K 85/111 (2023.02); H10K 85/151 (2023.02); B82Y 20/00 (2013.01); C08G 2261/12 (2013.01); C08G 2261/1434 (2013.01); C08G 2261/148 (2013.01); C08G 2261/149 (2013.01); C08G 2261/3241 (2013.01); C08G 2261/512 (2013.01); C08G 2261/5222 (2013.01); H10K 50/11 (2023.02); H10K 50/115 (2023.02); H10K 50/15 (2023.02); H10K 71/00 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02); H10K 2102/00 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A copolymer comprising a structural unit represented by Chemical Formula 1:

OG Complex Work Unit Chemistry
wherein, in Chemical Formula 1,
X is a single bond, -L1a-, or -L1b-L1c-, wherein L1a, L1b, and L1c are each independently a substituted or unsubstituted divalent aromatic hydrocarbon group having 6 to 25 carbon atoms,
L2 and Ar1 are independently substituted or unsubstituted aromatic hydrocarbon group having 6 to 25 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 25 ring-member atoms,
is a substituted or unsubstituted aromatic hydrocarbon group having 6 to 25 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 25 ring-member atoms, and
Y is a substituted or unsubstituted divalent aromatic hydrocarbon group having 6 to 60 carbon atoms, or a substituted or unsubstituted divalent aromatic heterocyclic group having 3 to 60 ring-member atoms,
wherein,
L2 and Ar1 join to form a ring.