Heterocyclic compound and organic light emitting element using same

1. A hetero-cyclic compound represented by the following Chemical Formula 1:

wherein, in Chemical Formula 1,

L1 is a substituted or unsubstituted C 6 to C 60 arylene group; or a substituted or unsubstituted C 2 to C 60 heteroarylene group;

Z1 is selected from the group consisting of hydrogen; deuterium; a halogen group; —CN; a substituted or unsubstituted C 1 to C 60 alkyl group; a substituted or unsubstituted C 6 to C 60 aryl group; a substituted or unsubstituted C 2 to C 60 heteroaryl group; —SiRR′R″; —P(═O)RR′; and an amine group unsubstituted or substituted with a C 1 to C 20 alkyl group, a C 6 to C 60 aryl group or a C 2 to C 60 heteroaryl group;

m is an integer of 1 to 4;

n is an integer of 1 to 4;

R5 is R8 are hydrogen; or deuterium,

R1 to R4 are the same as or different from each other, and each independently selected from the group consisting of hydrogen; and deuterium; or two or more groups adjacent to each other bond to each other to form a substituted or unsubstituted aliphatic or aromatic hydrocarbon ring; and

R, R′ and R″ are the same as or different from each other, and each independently hydrogen; deuterium; —CN; a substituted or unsubstituted C 1 to C 60 alkyl group; a substituted or unsubstituted C 3 to C 60 cycloalkyl group; a substituted or unsubstituted C 6 to C 60 aryl group; or a substituted or unsubstituted C 2 to C 60 heteroaryl group.

2. The hetero-cyclic compound of claim 1 , wherein Chemical Formula 1 is represented by any one of the following Chemical Formulae 2 to 7:

wherein, in Chemical Formulae 2 to 7,

R9 is represented by -(L2)p-(Z2)q;

L2 has the same definition as L1 of Chemical Formula 1 and Z2 has the same definition as Z1 of Chemical Formula 1;

p is an integer of 0 to 3;

q is an integer of 1 to 4; and

R1 to R8 have the same definitions as in Chemical Formula 1.

3. The hetero-cyclic compound of claim 1 , wherein Z1 is selected from the group consisting of hydrogen; deuterium; a substituted or unsubstituted C 6 to C 60 aryl group; a substituted or unsubstituted C 2 to C 60 heteroaryl group; and —P(═O)RR′, and R, R′ and R″ are the same as or different from each other and each independently hydrogen; deuterium; —CN; a substituted or unsubstituted C 1 to C 60 alkyl group; a substituted or unsubstituted C 3 to C 60 cycloalkyl group; a substituted or unsubstituted C 6 to C 60 aryl group; or a substituted or unsubstituted C 2 to C 60 heteroaryl group.

4. The hetero-cyclic compound of claim 1 , wherein R1 and R2 bond to each other to form an aromatic hydrocarbon ring, or R3 and R4 bond to each other to form an aromatic hydrocarbon ring, and, among R1 to R4, groups that do not form the aromatic hydrocarbon ring are hydrogen or deuterium, and R5 to R8 are each independently hydrogen or deuterium.

5. The hetero-cyclic compound of claim 1 , wherein Chemical Formula 1 is represented by any one of the following compounds:

6. An organic light emitting device comprising:

an anode;

a cathode; and

one or more organic material layers provided between the anode and the cathode,

wherein one or more layers of the organic material layers comprise the hetero-cyclic compound of claim 1 .

7. The organic light emitting device of claim 6 , wherein the organic material layer comprises at least one of a hole blocking layer, an electron injection layer and an electron transfer layer, and at least one of the hole blocking layer, the electron injection layer and the electron transfer layer comprises the hetero-cyclic compound.

8. The organic light emitting device of claim 6 , wherein the organic material layer comprises a light emitting layer, and the light emitting layer comprises the hetero-cyclic compound.

9. The organic light emitting device of claim 6 , wherein the organic material layer comprises one or more of a hole injection layer, a hole transfer layer, and a layer carrying out hole injection and hole transfer at the same time, and one of the above-mentioned layers comprises the hetero-cyclic compound.

10. The organic light emitting device of claim 6 , wherein the organic material layer comprises a charge generation layer, and the charge generation layer comprises the hetero-cyclic compound.

11. The organic light emitting device of claim 6 , comprising:

an anode;

a first stack provided on the anode and comprising a first light emitting layer;

a charge generation layer provided on the first stack;

a second stack provided on the charge generation layer and comprising a second light emitting layer; and

a cathode provided on the second stack.