Heterocyclic compound and organic light-emitting device comprising same

1. A heterocyclic compound represented by any one of the following Chemical Formulae 6 to 9:

in Chemical Formulae 6 to 9,

R 1 , R 2 , and R 11 to R 18 are the same as or different from each other, and each independently selected from the group consisting of hydrogen; deuterium; halogen; a cyano group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted alkynyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted heterocycloalkyl group; a substituted or unsubstituted aryl group; a substituted or unsubstituted heteroaryl group; a substituted or unsubstituted phosphine oxide group; and a substituted or unsubstituted amine group;

R 21 to R 28 are the same as or different from each other, and each independently selected from the group consisting of hydrogen; a substituted or unsubstituted C6 to C40 aryl group; a substituted or unsubstituted C2 to C40 heteroaryl group; and a diarylamine group, or two or more groups adjacent to each other bond to each other to form a substituted or unsubstituted C6 to C40 aromatic hydrocarbon ring or a substituted or unsubstituted C2 to C40 aromatic heteroring,

in chemical formula 8, wherein when R 22 and R 23 ; or R 26 and R 27 ; bond to each other to form a ring, a ring is indene ring unsubstituted or substituted with a methyl group; a benzofuran ring; a benzothiophene ring; or an indole ring unsubstituted or substituted with a phenyl group,

Z 1 and Z 2 are the same as or different from each other, and each independently a direct bond; O; or S; one of Z 1 and Z 2 is a direct bond,

Y is O; S; or CRR′;

L is a direct bond; a substituted or unsubstituted arylene group; or a substituted or unsubstituted heteroarylene group;

m is an integer of 0 to 5;

R a to R c , R, and R′ are the same as or different from each other, and each independently selected from the group consisting of hydrogen; deuterium; halogen; a cyano group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted alkynyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted heterocycloalkyl group; a substituted or unsubstituted aryl group; a substituted or unsubstituted heteroaryl group; a substituted or unsubstituted phosphine oxide group; and a substituted or unsubstituted amine group, or two or more groups adjacent to each other bond to each other to form a substituted or unsubstituted aliphatic or aromatic hydrocarbon ring or a substituted or unsubstituted aliphatic or aromatic heteroring, n and q are each an integer of 0 to 4, and when n is 2 or greater, R a s are the same as or different from each other, and when q is 2 or greater, R c s are the same as or different from each other, p is an integer of 0 to 2, and when p is an integer of 2, R b s are the same as or different from each other; and

n+p+q≤9,

wherein in chemical formulae 6 and 7, at least one of R 21 to R 28 is a substituted or unsubstituted C2 to C40 heteroaryl group; or a diarylamine group, or two or more groups adjacent to each other bond to each other to form a substituted or unsubstituted C6 to C40 aromatic hydrocarbon ring or a substituted or unsubstituted C2 to C40 aromatic heteroring.

2. The heterocyclic compound of claim 1 , wherein

is represented by the following Chemical Formula 10:

in Chemical Formula 10,

is a site linked to L of Chemical Formulae 6 to 9;

R 21 to R 24 and R 31 are the same as or different from each other, and each independently selected from the group consisting of hydrogen; a substituted or unsubstituted C6 to C40 aryl group; a substituted or unsubstituted C2 to C40 heteroaryl group; and a diarylamine group, or two or more groups adjacent to each other bond to each other to form a substituted or unsubstituted C6 to C40 aromatic hydrocarbon ring or a substituted or unsubstituted C2 to C40 aromatic heteroring,

Y1 is O, S, CR 41 R 42 ; or NR 43 ;

R 32 and R 41 to R 43 are the same as or different from each other, and each independently selected from the group consisting of hydrogen; deuterium; halogen; a cyano group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted alkynyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted heterocycloalkyl group; a substituted or unsubstituted aryl group; a substituted or unsubstituted heteroaryl group; a substituted or unsubstituted phosphine oxide group; and a substituted or unsubstituted amine group, or two or more groups adjacent to each other bond to each other to form a substituted or unsubstituted aliphatic or aromatic hydrocarbon ring or heteroring, f is an integer of 0 to 4, and when f is 2 or greater, R 32 s are the same as or different from each other, g is an integer of 0 to 2, and when g is 2 or greater, R 31 s are the same as or different from each other.

3. The heterocyclic compound of claim 1 , wherein R a to R c are hydrogen.

4. The heterocyclic compound of claim 1 , wherein any one of the following Chemical Formulae 6 to 9 is represented by any one of the following compounds:

5. An organic light emitting device comprising:

a first electrode;

a second electrode provided opposite to the first electrode; and

one or more organic material layers provided between the first electrode and the second electrode,

wherein one or more layers of the organic material layers comprise the heterocyclic compound of claim 1 .

6. The organic light emitting device of claim 5 , wherein the organic material layer comprises a light emitting layer, and the light emitting layer comprises the heterocyclic compound.

7. The organic light emitting device of claim 5 , wherein the organic material layer comprises a light emitting layer, the light emitting layer comprises a host material, and the host material comprises the heterocyclic compound.

8. The organic light emitting device of claim 5 , wherein the organic material layer comprises an electron injection layer or an electron transfer layer, and the electron transfer layer or the electron injection layer comprises the heterocyclic compound.

9. The organic light emitting device of claim 5 , wherein the organic material layer comprises an electron blocking layer or a hole blocking layer, and the electron blocking layer or the hole blocking layer comprises the heterocyclic compound.

10. The organic light emitting device of claim 5 , further comprising one, two or more layers selected from the group consisting of a light emitting layer, a hole injection layer, a hole transfer layer, an electron injection layer, an electron transfer layer, an electron blocking layer and a hole blocking layer.