US 12,378,469 B2
Light emitting diode and condensed polycyclic compound for the same
Chanseok Oh, Seoul (KR); Taeil Kim, Hwaseong-si (KR); Sun Young Pak, Suwon-si (KR); Junha Park, Gwacheon-si (KR); Jang Yeol Baek, Yongin-si (KR); Kyoung Sunwoo, Hwaseong-si (KR); Mun-Ki Sim, Seoul (KR); and Minjung Jung, Hongcheon-gun (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Dec. 13, 2021, as Appl. No. 17/549,384.
Claims priority of application No. 10-2021-0033817 (KR), filed on Mar. 16, 2021.
Prior Publication US 2022/0310922 A1, Sep. 29, 2022
Int. Cl. H01L 51/00 (2006.01); C07F 5/02 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 50/155 (2023.01)
CPC H10K 85/322 (2023.02) [C07F 5/027 (2013.01); C09K 11/06 (2013.01); C09K 2211/1018 (2013.01); H10K 50/155 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A light emitting diode comprising:
a first electrode;
a second electrode on the first electrode; and
at least one functional layer between the first electrode and the second electrode, the at least one functional layer comprising a condensed polycyclic compound represented by Formula 1,
wherein the first electrode and the second electrode each independently comprise at least one selected from Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF, Mo, Ti, W, In, Sn, and Zn, compounds selected thereof, and mixtures thereof:

OG Complex Work Unit Chemistry
wherein in Formula 1,
X1, X2, X3, and X4 are each independently NRX, O, S, or Se,
Rx, and R1 to R8 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 50 ring-forming carbon atoms, and/or bonded to an adjacent group to form a ring,
a is an integer of 0 to 4,
b is an integer of 0 to 3,
c is an integer of 0 to 2,
d is an integer of 0 to 4,
e is an integer of 0 to 2,
f is an integer of 0 to 4,
g is an integer of 0 to 3, and
h is an integer of 0 to 4.