Heterocyclic compound and organic light emitting device comprising the same
Provided is a heterocyclic compound of Chemical Formula 1: where X 1 is O or S; L 1 and L 2 are each independently a single bond, a substituted or unsubstituted phenylene, a substituted or unsubstituted naphthylene, or a substituted or unsubstituted biphenylenyl; Y 1 to Y 3 are each independently N or CR 3 , provided that at least one of Y 1 to Y 3 is N; and Ar 1a and Ar 1b are each independently a substituted or unsubstituted C 6-60 aryl or a substituted or unsubstituted C 1-60 heteroaryl containing 1 to 3 heteroatoms selected from the group consisting of N, O and S; and an organic light emitting device comprising the same, where the compound of Chemical Formula 1 can be used as a material of an organic material layer of an organic light emitting device and can exhibit improved efficiency, a low driving voltage and/or improved lifetime characteristics of the organic light emitting device.
1. A compound of Chemical Formula 1:
wherein:
X 1 is O or S;
L 1 is a single bond, a substituted or unsubstituted phenylene, a substituted or unsubstituted naphthylene, or a substituted or unsubstituted biphenylenyl;
L 2 is a substituted or unsubstituted phenylene, a substituted or unsubstituted naphthylene, or a substituted or unsubstituted biphenylenyl;
Y 1 to Y 3 are each independently N or CR 3 , provided that at least one of Y 1 to Y 3 is N;
Ar 1a and Ar 1b are each independently a substituted or unsubstituted C 6-60 aryl or a substituted or unsubstituted C 1-60 heteroaryl containing 1 to 3 heteroatoms selected from the group consisting of O and S;
R 1 and R 2 are each independently hydrogen, deuterium, cyano, or a substituted or unsubstituted C 1-10 alkyl;
each R 3 is independently hydrogen, deuterium, halogen, cyano, nitro, amino, a substituted or unsubstituted C 1-60 alkyl, a substituted or unsubstituted C 1-60 haloalkyl, a substituted or unsubstituted C 1-60 alkoxy, a substituted or unsubstituted C 1-60 haloalkoxy, a substituted or unsubstituted C 3-60 cycloalkyl, a substituted or unsubstituted C 2-60 alkenyl, a substituted or unsubstituted C 6-60 aryl, a substituted or unsubstituted C 6-60 aryloxy, or a substituted or unsubstituted C 1-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O and S;
n 1 and n 2 are each independently an integer of 0 to 3; and
Ar 2 is any one selected from the group consisting of:
at least one of Ar 1a and Ar 1b is any one selected from the group consisting of:
2. A compound of Chemical Formula 1:
wherein:
X 1 is O or S;
L 1 is a single bond or a substituted or unsubstituted phenylene;
L 2 is a single bond or substituted or unsubstituted phenylene;
Y 1 to Y 3 are each independently N or CR 3 , provided that at least one of Y 1 to Y 3 is N;
Ar 1a and Ar 1b are each independently any one selected from the group consisting of:
wherein Z 1 to Z 3 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, a substituted or unsubstituted C 1-20 alkyl, a substituted or unsubstituted C 1-20 haloalkyl, a substituted or unsubstituted C 6-20 aryl;
Ar 2 is:
Z 11 to Z 13 are each hydrogen;
c14 is an integer of 4,
c15 is an integer of 3,
each R 1 is independently hydrogen, deuterium, halogen, cyano, nitro, amino, a substituted or unsubstituted C 1-60 alkyl, a substituted or unsubstituted C 1-60 haloalkyl, a substituted or unsubstituted C 1-60 alkoxy, a substituted or unsubstituted C 1-60 haloalkoxy, a substituted or unsubstituted C 3-60 cycloalkyl, a substituted or unsubstituted C 2-60 alkenyl, a substituted or unsubstituted C 6-60 aryl, a substituted or unsubstituted C 6-60 aryloxy, or a substituted or unsubstituted C 1-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O and Si;
each R 2 independently is hydrogen, deuterium, cyano, or a substituted or unsubstituted C 1-10 alkyl;
each R 3 is independently hydrogen, deuterium, halogen, cyano, nitro, amino, a substituted or unsubstituted C 1-60 alkyl, a substituted or unsubstituted C 1-60 haloalkyl, a substituted or unsubstituted C 1-60 alkoxy, a substituted or unsubstituted C 1-60 haloalkoxy, a substituted or unsubstituted C 3-60 cycloalkyl, a substituted or unsubstituted C 2-60 alkenyl, a substituted or unsubstituted C 6-60 aryl; a substituted or unsubstituted C 6-60 aryloxy, or a substituted or unsubstituted C 1-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O and S; and
n 1 and n 2 are each independently an integer of 0 to 3.
3. A compound that is selected from the group consisting of:
4. A compound that is selected from the group consisting of: