US 12,069,946 B2
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
Nobutaka Akashi, Yokohama (JP); and Hirokazu Kuwabara, Yokohama (JP)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Feb. 26, 2021, as Appl. No. 17/186,629.
Claims priority of application No. 10-2020-0064095 (KR), filed on May 28, 2020.
Prior Publication US 2021/0376249 A1, Dec. 2, 2021
Int. Cl. H10K 85/40 (2023.01); C07F 5/02 (2006.01); H10K 50/12 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/805 (2023.01); H10K 85/60 (2023.01)
CPC H10K 85/656 (2023.02) [C07F 5/027 (2013.01); H10K 50/12 (2023.02); H10K 85/40 (2023.02); H10K 85/636 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/805 (2023.02)] 20 Claims
 
1. An organic electroluminescence device, comprising:
a first electrode;
a hole transport region on the first electrode;
an emission layer on the hole transport region;
an electron transport region on the emission layer; and
a second electrode on the electron transport region,
wherein the first electrode and the second electrode each independently comprises at least one selected from Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/Al, Mo, Ti, In, Sn, Zn, compounds of two or more selected therefrom, mixtures thereof, and oxides thereof, and
the emission layer comprises a polycyclic compound represented by Formula 1:

OG Complex Work Unit Chemistry
and
wherein in Formula 1,
Y is O or S,
ring D to ring H are each independently a substituted or unsubstituted aryl ring of 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl ring of 2 to 30 carbon atoms for forming a ring, and/or ring E and ring F, ring F and ring H, ring G and ring E, ring G and Ar, and ring D and Ar are each independently combined with each other to form a ring, and
Ar is a substituted or unsubstituted aryl group of 6 to 30 carbon atoms for forming a ring or a substituted or unsubstituted heteroaryl group of 2 to 30 carbon atoms for forming a ring.
 
13. A polycyclic compound represented by Formula 1:

OG Complex Work Unit Chemistry
wherein in Formula 1,
Y is O or S,
ring D to ring H are each independently a substituted or unsubstituted aryl ring of 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl ring of 2 to 30 carbon atoms for forming a ring, and/or ring E and ring F, ring F and ring H, ring G and ring E, ring G and Ar, and ring D and Ar are each independently combined with each other to form a ring, and
Ar is a substituted or unsubstituted aryl group of 6 to 30 carbon atoms for forming a ring or a substituted or unsubstituted heteroaryl group of 2 to 30 carbon atoms for forming a ring.