Patent ID: 11950492
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H | IPC H

Claim 0:
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 comprise at least one selected from the group consisting of Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/Al, Mo, Ti, In, Sn, Zn, a compound of two or more thereof, a mixture of two or more thereof, and oxides thereof,
wherein the emission layer comprises a polycyclic compound represented by Formula 1, or compound 21, 22, or 24,, in Formula 1 above,
R1 and R2 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a boron group, a substituted or unsubstituted amino group, a cyano group, a carbonyl group, a nitro group, a siloxy group, a silyl group, a phosphoryl group, a thiophosphoryl group, a substituted or unsubstituted thiol group, a sulfinyl group, a sulfonyl group, a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 30 ring-forming carbon atoms, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 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 adjacent groups to form a ring,
L is a direct bond, a substituted or unsubstituted arylene group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroarylene group having 2 to 30 ring-forming carbon atoms,
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,
m and n are each independently an integer of 0 to 4, and
X is represented by any one among Formulae 2-1, 2-3 to 2-10, and 2-2-3 below:, in Formulae 2-1, 2-3 to 2-10, and 2-2-3 above,
a to c are each independently an integer of 1 to 4,
W1 to W5 are each independently N or CR5, and at least one selected from the group consisting of W1 to W5 is N,
Ar3 to Ar9 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 adjacent groups to form a ring,
R3 is a hydrogen atom, a deuterium atom, a halogen atom, a boron group, a substituted or unsubstituted amino group, a cyano group, a carbonyl group, a nitro group, an oxy group, a siloxy group, a silyl group, a phosphine oxide group, a phosphine sulfide group, a sulfinyl group, a sulfonyl group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkenyl group having 2 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 adjacent groups to form a ring, and
R5 is a hydrogen atom, a deuterium atom, a halogen atom, a boron group, a substituted or unsubstituted amino group, a cyano group, a carbonyl group, a nitro group, an oxy group, a siloxy group, a silyl group, a phosphine oxide group, a phosphine sulfide group, a sulfinyl group, a sulfonyl group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkenyl group having 2 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,
wherein when X includes pyridine or is represented by Formula 2-1 or 2-3, L is a substituted arylene group having 6 to 30 ring-forming carbon atoms, wherein the substituted arylene group is substituted with at least one boron group, or a substituted heteroarylene group having 2 to 30 ring-forming carbon atoms, wherein the substituted heteroarylene group is substituted with at least one boron group, or at least one selected from R1, R2, or R5 is a boron group, and
wherein when X is represented by Formula 2-9, 2-10, or 2-2-3 above, the polycyclic compound includes the azaborine group of Formula 1 as the only azaborine group,,