US 11,917,899 B2
Arylamine-fluorene alternating copolymer, electroluminescence device material, and electroluminescence device using the polymer
Masashi Tsuji, Hwaseong-si (KR); Takahiro Fujiyama, Yokohama (JP); Yusaku Konishi, Yokohama (JP); Dae Young Chung, Suwon-si (KR); Fumiaki Kato, Yokohama (JP); Jaejun Chang, Gwacheon-si (KR); Keigo Furuta, Yokohama (JP); Takao Motoyama, Hwaseong-si (KR); Eun Joo Jang, Suwon-si (KR); Hyo Sook Jang, Suwon-si (KR); Tae Ho Kim, Seongnam-si (KR); Tomoyuki Kikuchi, Hwaseong-si (KR); and Yuho Won, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Mar. 5, 2021, as Appl. No. 17/193,078.
Claims priority of application No. 2020-038096 (JP), filed on Mar. 5, 2020; and application No. 10-2021-0026330 (KR), filed on Feb. 26, 2021.
Prior Publication US 2021/0288258 A1, Sep. 16, 2021
Int. Cl. H10K 85/10 (2023.01); C09K 11/06 (2006.01); C08G 61/12 (2006.01); H10K 50/15 (2023.01); H10K 50/17 (2023.01)
CPC H10K 85/115 (2023.02) [C08G 61/12 (2013.01); C09K 11/06 (2013.01); H10K 85/151 (2023.02); C08G 2261/124 (2013.01); C08G 2261/147 (2013.01); C08G 2261/148 (2013.01); C08G 2261/1412 (2013.01); C08G 2261/18 (2013.01); C08G 2261/228 (2013.01); C08G 2261/312 (2013.01); C08G 2261/3142 (2013.01); C08G 2261/3162 (2013.01); C08G 2261/95 (2013.01); C09K 2211/1416 (2013.01); C09K 2211/1425 (2013.01); C09K 2211/1433 (2013.01); H10K 50/15 (2023.02); H10K 50/17 (2023.02)] 9 Claims
OG exemplary drawing
 
1. An arylamine-fluorene alternating copolymer comprising a structural unit (A) represented by Chemical Formula (1):

OG Complex Work Unit Chemistry
wherein, in Chemical Formula (1), each occurrence of R1 to R4 independently represents a hydrogen atom or a hydrocarbon group having 1 to 16 carbon atoms,
L1 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 25 carbon atoms or a substituted or unsubstituted divalent aromatic heterocyclic group,
x is 0, 1, or 2 and when x is 2, each occurrence of L1 may be the same or different, respectively,
L2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 25 carbon atoms or a substituted or unsubstituted divalent aromatic heterocyclic group, wherein L2 may form a ring with Ar1,
Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 25 carbon atoms, or a substituted or unsubstituted divalent aromatic heterocyclic group, and forms a ring with L2, and
Ar2 represents an aromatic hydrocarbon group or an aromatic heterocyclic group having 6 to 25 carbon atoms wherein the aromatic hydrocarbon group or the aromatic heterocyclic group is substituted with a linear hydrocarbon group having 1 to 12 carbon atoms or a branched hydrocarbon group having 1 to 12 carbon atoms.