US 11,912,916 B2
Organic electroluminescent compound and organic electroluminescent device comprising the same
Hyun Kim, Gyeonggi-do (KR); Ji-Song Jun, Gyeonggi-do (KR); Jeong-Hwan Jeon, Gyeonggi-do (KR); Yeon-Gun Lee, Gyeonggi-do (KR); Seon-Jin Hwang, Gyeonggi-do (KR); and Young-Jun Cho, Gyeonggi-do (KR)
Assigned to Rohm and Haas Electronic Materials Korea Ltd., (KR)
Appl. No. 17/251,737
Filed by ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD., Chungcheongnam-do (KR)
PCT Filed Jul. 1, 2019, PCT No. PCT/KR2019/007960
§ 371(c)(1), (2) Date Dec. 11, 2020,
PCT Pub. No. WO2020/009392, PCT Pub. Date Jan. 9, 2020.
Claims priority of application No. 10-2018-0076640 (KR), filed on Jul. 2, 2018.
Prior Publication US 2021/0363419 A1, Nov. 25, 2021
Int. Cl. H10K 85/30 (2023.01); C09K 11/06 (2006.01); H10K 50/00 (2023.01)
CPC C09K 11/06 (2013.01) [H10K 85/342 (2023.02); C09K 2211/185 (2013.01); H10K 50/00 (2023.02)] 9 Claims
OG exemplary drawing
 
1. An organic electroluminescent compound represented by the following formula 1:

OG Complex Work Unit Chemistry
wherein
ring A represents a N-containing (3- to 10-membered)heteroaryl;
B1 and B2, each independently, represent CR2 or N, where each of B1 and each of B2 may be the same or different;
X represents O or S;
L represents any one selected from the following formulas 2-1 and 2-2;

OG Complex Work Unit Chemistry
R1 to R8, each independently, represent hydrogen, deuterium, a substituted or unsubstituted (C1-C30)alkyl, a substituted or unsubstituted (C1-C30)alkoxy, a substituted or unsubstituted (C2-C30)alkenyl, a substituted or unsubstituted (C2-C30)alkynyl, a substituted or unsubstituted (C6-C30)aryl(C1-C30)alkyl, a substituted or unsubstituted (C6-C30)aryl, a substituted or unsubstituted (3- to 30-membered)heteroaryl, a substituted or unsubstituted (C3-C30)cycloalkyl, a substituted or unsubstituted tri(C1-C30)alkylsilyl, a substituted or unsubstituted di(C1-C30)alkyl(C6-C30)arylsilyl, a substituted or unsubstituted (C1-C30)alkyldi(C6-C30)arylsilyl, a substituted or unsubstituted tri(C6-C30)arylsilyl, a substituted or unsubstituted mono- or di-(C1-C30)alkylamino, a substituted or unsubstituted mono- or di-(C6-C30)arylamino, or a substituted or unsubstituted (C1-C30)alkyl(C6-C30)arylamino;
n represents an integer of 1 to 3;
a represents an integer of 1 to 6; b represents an integer of 1 or 2; and c and d, each independently, represent an integer of 1 to 4; where if a to d, each independently, are an integer of 2 or more, each of R1, each of R3, each of R4, and each of R5 may be the same or different.