US 11,706,970 B2
Polymer, coating composition comprising same, and organic light emitting device using same
Min Suk Jung, Daejeon (KR); Esder Kang, Daejeon (KR); Beomgoo Kang, Daejeon (KR); Jaesoon Bae, Daejeon (KR); Jaechol Lee, Daejeon (KR); Jiyeon Shin, Daejeon (KR); Seog Jae Seo, Daejeon (KR); Hyungil Park, Daejeon (KR); Byeong Yun Lim, Daejeon (KR); and Dowon Lim, Daejeon (KR)
Assigned to LG Chem, Ltd.
Appl. No. 17/47,261
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Aug. 16, 2019, PCT No. PCT/KR2019/010424
§ 371(c)(1), (2) Date Oct. 13, 2020,
PCT Pub. No. WO2020/036459, PCT Pub. Date Feb. 20, 2020.
Claims priority of application No. 10-2018-0095968 (KR), filed on Aug. 17, 2018.
Prior Publication US 2021/0175427 A1, Jun. 10, 2021
Int. Cl. H01L 51/00 (2006.01); C07C 211/61 (2006.01); C07C 211/54 (2006.01); C09D 125/18 (2006.01); C08F 12/28 (2006.01); C08F 12/32 (2006.01); C07D 209/86 (2006.01); C07D 209/88 (2006.01); H10K 85/10 (2023.01); C07D 307/91 (2006.01); H10K 50/15 (2023.01); H10K 50/17 (2023.01); H10K 71/12 (2023.01)
CPC H10K 85/115 (2023.02) [C07C 211/54 (2013.01); C07C 211/61 (2013.01); C07D 209/86 (2013.01); C07D 209/88 (2013.01); C07D 307/91 (2013.01); C08F 12/28 (2013.01); C08F 12/32 (2013.01); C09D 125/18 (2013.01); C07C 2603/18 (2017.05); C07C 2603/97 (2017.05); H10K 50/15 (2023.02); H10K 50/17 (2023.02); H10K 71/12 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A polymer comprising a unit represented by the following Chemical Formula 1:

OG Complex Work Unit Chemistry
wherein, in Chemical Formula 1,
L1 is a direct bond; a substituted or unsubstituted phenylene group; a substituted or unsubstituted naphthylene group; a substituted or unsubstituted biphenylene group; a substituted or unsubstituted divalent fluorenyl group; or a substituted or unsubstituted divalent carbazolyl group;
l1 is an integer of 1 to 10;
Ar1 and Ar2 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group; or a substituted or unsubstituted heteroaryl group;
R1 to R8 are the same as or different from each other, and each independently hydrogen;
deuterium; a halogen group; a hydroxyl group; a cyano group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heteroaryl group;
r4, r6 and r8 are each independently an integer of 1 to 4;
r5 and r7 are each independently an integer of 1 to 3;
when r4 is 2 or greater, the two or more R4s are the same as or different from each other;
when r5 is 2 or greater, the two or more R5s are the same as or different from each other;
when r6 is 2 or greater, the two or more R6s are the same as or different from each other;
when r7 is 2 or greater, the two or more R7s are the same as or different from each other;
when r8 is 2 or greater, the two or more R8s are the same as or different from each other;
when l1 is 2 or greater, the two or more L1s are the same as or different from each other; and
n is, as a repetition number of the unit, an integer of 1 to 10,000.