US 12,069,941 B2
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
Mi Eun Jun, Hwaseong-si (KR); Hyein Jeong, Suwon-si (KR); Soon-Ki Kwon, Jinju-si (KR); Yun-Hi Kim, Jinju-si (KR); and Youheon Kim, Changwon-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR); and Industry-Academic Cooperation Foundation Gyeongsang National University, Jinju-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR); and INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY, Jinju-si (KR)
Filed on May 5, 2021, as Appl. No. 17/308,280.
Claims priority of application No. 10-2020-0093323 (KR), filed on Jul. 27, 2020.
Prior Publication US 2022/0029113 A1, Jan. 27, 2022
Int. Cl. C07F 7/08 (2006.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01)
CPC H10K 85/40 (2023.02) [H10K 85/631 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02)] 16 Claims
OG exemplary drawing
 
1. An organic electroluminescence device comprising:
a first electrode;
an organic layer on the first electrode; and
a second electrode on the organic layer,
wherein the organic layer comprises a polycyclic compound represented by Formula 1 below:

OG Complex Work Unit Chemistry
wherein, in Formula 1,
R1 to R4 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted thio group, a substituted or unsubstituted oxy group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms,
a to d are each independently an integer of 0 to 4,
X1 and X2 are both 2,4,6-triphenyl-1,3,5-triazine or pyridine group, or
X1 and X2 are each independently represented by Formula 2 or Formula 3:

OG Complex Work Unit Chemistry
wherein, in Formula 2,
Ar1 and Ar2 are each independently a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms, or are bonded to each other to form a ring,

OG Complex Work Unit Chemistry
wherein, in Formula 3,
R5 to R7 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted thio group, a substituted or unsubstituted oxy group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkenyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkynyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms, or are bonded to each other to form a ring,
e and f are each independently an integer of 0 to 5, and
g is an integer of 0 to 4.