US 12,173,114 B2
Copolymer, electroluminescence device material including copolymer, and electroluminescence device
Norihito Ishii, Yokohama (JP); Takahiro Fujiyama, Yokohama (JP); Masashi Tsuji, Hwaseong-si (KR); Naotoshi Suganuma, Yokohama (JP); Yusaku Konishi, Yokohama (JP); Dae Young Chung, Suwon-si (KR); Eun Joo Jang, Suwon-si (KR); Ha Il Kwon, Suwon-si (KR); Hyo Sook Jang, Suwon-si (KR); Soonmin Cha, Suwon-si (KR); Tae Ho Kim, Seongnam-si (KR); and Fumiaki Kato, Yokohama (JP)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Dec. 22, 2021, as Appl. No. 17/559,388.
Claims priority of application No. 2020-212454 (JP), filed on Dec. 22, 2020.
Prior Publication US 2022/0195110 A1, Jun. 23, 2022
Int. Cl. C08G 61/12 (2006.01); H10K 85/10 (2023.01)
CPC C08G 61/124 (2013.01) [H10K 85/146 (2023.02); H10K 85/151 (2023.02); C08G 2261/12 (2013.01); C08G 2261/312 (2013.01); C08G 2261/3241 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A copolymer, comprising a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof:

OG Complex Work Unit Chemistry
wherein, in Chemical Formula 1 and Chemical Formula 2,
R1 is a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted monovalent aromatic hydrocarbon group having 6 to 30 carbon atoms, a substituted or unsubstituted monovalent aromatic heterocyclic group having 5 to 30 ring-member atoms, or —Y—N(Ar2)(Ar3), wherein Y is a substituted or unsubstituted divalent aromatic hydrocarbon group having 6 to 30 carbon atoms, Ar2 and Ar3 are each independently a substituted or unsubstituted monovalent aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted monovalent aromatic heterocyclic group having 5 to 30 ring-member atoms,
R2 and R3 are each independently a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted monovalent aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted monovalent aromatic heterocyclic group having 5 to 30 ring-member atoms, wherein each R2 is the same or different, and each R3 is the same or different,
optionally wherein two R2(s) are combined with each other to provide a ring, optionally wherein two R3(s) are combined with each other to provide a ring, and optionally wherein one or more R2(s) is combined with one or more R3(s) to provide a ring,
X1 and X2 are each independently a carbon atom (C) or a silicon atom (Si), and
Ar1 is a substituted or unsubstituted divalent aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted divalent aromatic heterocyclic group having 5 to 30 ring-member atoms.