US 12,426,499 B2
Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
Hirokazu Kuwabara, Yokohama (JP); and Ryuhei Furue, Yokohama (JP)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Nov. 23, 2020, as Appl. No. 17/102,168.
Claims priority of application No. 10-2020-0039162 (KR), filed on Mar. 31, 2020.
Prior Publication US 2021/0320257 A1, Oct. 14, 2021
Int. Cl. H10K 85/60 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/81 (2023.01); H10K 50/82 (2023.01); H10K 85/20 (2023.01); H10K 101/20 (2023.01)
CPC H10K 85/636 (2023.02) [H10K 85/211 (2023.02); H10K 85/622 (2023.02); H10K 85/631 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 85/658 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/81 (2023.02); H10K 50/82 (2023.02); H10K 2101/20 (2023.02)] 18 Claims
OG exemplary drawing
 
1. An organic electroluminescence device comprising:
a first electrode;
a second electrode facing the first electrode; and
a plurality of organic layers between the first electrode and the second electrode,
wherein the first electrode and the second electrode each independently comprise any one selected from Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/Al, Mo, Ti, In, Zn, Sn, and Yb, a compound of two or more thereof, a mixture of two or more thereof, or at least one oxide thereof, and
at least one organic layer among the plurality of organic layers comprises a fused polycyclic compound represented by any one selected from among Formula 3-1 to Formula 3-5:

OG Complex Work Unit Chemistry
wherein, in Formula 3-1 to Formula 3-5,
A1 to A8 are each independently a hydrogen atom, a deuterium atom, a halogen atom, 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, and/or are bonded to an adjacent group to form a ring; and
B1 and B2, B3 and B4, and B5 and B6 are each fused to a substituent represented by Formula 2:
Formula 2

OG Complex Work Unit Chemistry
wherein, in Formula 2,
custom character is a position of fusion to one of the two or more pairs selected from among B1 and B2, B3 and B4, and B5 and B6;
X1 and X2 are each independently NAr1, O, or S;
Ar1 is 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, and/or is bonded to an adjacent group to form a ring;
Ra and Rb are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amino 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, or are bonded to an adjacent group to form a ring;
n1 is an integer of 0 to 4; and
n2 is an integer of 0 to 3.