US 12,150,378 B2
Luminescence device and polycyclic compound for luminescence device
XiuLan Jin, Yokohama (JP)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Oct. 5, 2020, as Appl. No. 17/062,817.
Claims priority of application No. 10-2019-0123810 (KR), filed on Oct. 7, 2019; and application No. 10-2020-0126642 (KR), filed on Sep. 29, 2020.
Prior Publication US 2021/0104676 A1, Apr. 8, 2021
Int. Cl. H01L 51/00 (2006.01); C07D 491/048 (2006.01); C07D 495/04 (2006.01); H10K 85/60 (2023.01); H10K 50/15 (2023.01)
CPC H10K 85/636 (2023.02) [C07D 491/048 (2013.01); C07D 495/04 (2013.01); H10K 50/15 (2023.02); H10K 85/657 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A luminescence device, comprising:
a first electrode;
a second electrode disposed on the first electrode; and
at least one functional layer disposed between the first electrode and the second electrode,
wherein the at least one functional layer comprises a polycyclic compound represented by Formula 1:

OG Complex Work Unit Chemistry
wherein in Formula 1,
X is O, or S,
R1 and R2 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, a substituted or unsubstituted aryl group of 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group of 2 to 30 ring carbon atoms,
Ar1 and Ar2 are each independently represented by Formula 2:
*—(Ar11)p—Ar12  Formula 2
wherein in Formula 2,
Ar11 is a substituted or unsubstituted phenylene group, a substituted or unsubstituted divalent biphenyl group, a substituted or unsubstituted divalent terphenyl group, a substituted or unsubstituted phenanthrylene group, a substituted or unsubstituted fluorenylene group, a substituted or unsubstituted naphthylene group, a substituted or unsubstituted carbazolylene group, a substituted or unsubstituted dibenzofuranylene group, or a substituted or unsubstituted dibenzothiophenylene group,
Ar12 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted phenanthryl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group, and
p is 0 or 1,
provided that i) when n is 1 and *—(Ar11)pAr12 of Ar1 is an unsubstituted biphenylene group, then *—(Ar11)pAr12 of Ar2 is not an unsubstituted dibenzothiophenylene group, and ii) when n is 1 and *—(Ar11)pAr12 of Ar2 is an unsubstituted biphenylene group, then *—(Ar11)pAr12 of Ar1 is not an unsubstituted dibenzothiophenylene group,
wherein in Formula 1,
Ar3 is a substituted or unsubstituted aryl group of 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group of 2 to 30 ring carbon atoms,
L is a direct linkage, a substituted or unsubstituted arylene group of 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group of 2 to 30 ring carbon atoms,
l is an integer of 0 to 3,
m is an integer of 0 to 4, and
n is an integer of 0 to 3.