HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME

1 . A compound represented by the following Chemical Formula 1:

in Chemical Formula 1,

Ar1 to Ar3 are the same as or different from each other, and are each independently a substituted or unsubstituted C 6 to C 60 aryl group; or a substituted or unsubstituted C 2 to C 60 heteroaryl group,

R1 and R2 are the same as or different from each other, and are each independently 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 2 to C 60 alkenyl group; a substituted or unsubstituted C 2 to C 60 alkynyl group; a substituted or unsubstituted C 1 to C 60 alkoxy group; a substituted or unsubstituted C 3 to C 60 cycloalkyl group; a substituted or unsubstituted C 2 to C 60 heterocycloalkyl 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 which is unsubstituted or substituted with a C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 60 aryl group, or a C 2 to C 60 heteroaryl group,

R, R′, and R″ are the same as or different from each other, and are 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, and

a and b are each independently an integer from 0 to 4.

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

in Chemical Formulae 1a to 1j,

the definitions of Ar4 to Ar33 are the same as those of Ar1 to Ar3 in Chemical Formula 1,

the definitions of R3 to R22 are the same as those of R1 and R2 in Chemical Formula 1, and

the definitions of c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, and v are the same as those of a and b in Chemical Formula 1.

3 . The hetero-cyclic compound of claim 1 , wherein R1 and R2 of Chemical Formula 1 are each independently hydrogen or deuterium.

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

5 . An organic light emitting device comprising:

a positive electrode;

a negative electrode; and

an organic material layer having one or more layers disposed between the positive electrode and the negative electrode,

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

6 . The organic light emitting device of claim 5 , wherein the organic material layer comprises at least one layer of a hole blocking layer, an electron injection layer, and an electron transporting layer, and at least one layer of the hole blocking layer, the electron injection layer, and the electron transporting layer comprises the hetero-cyclic compound.

7 . 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 hetero-cyclic compound.

8 . The organic light emitting device of claim 5 , wherein the organic material layer comprises one or more layers of a hole injection layer, a hole transporting layer, and a layer which injects and transports holes simultaneously, and one layer of the layers comprises the hetero-cyclic compound.

9 . The organic light emitting device of claim 5 , wherein the organic material layer comprising the hetero-cyclic compound additionally comprises a compound represented by the following Chemical Formula 2 or 3:

in Chemical Formula 2,

L1 and L2 are the same as or different from each other, and are each independently a direct bond or a substituted or unsubstituted C 6 to C 60 arylene group,

Ar33 is a substituted or unsubstituted C 2 to C 60 heteroaryl group comprising at least one N,

Ar34 is represented by the following Chemical Formula 4 or 5,

Y1 to Y4 are the same as or different from each other, and are each independently a substituted or unsubstituted C 6 to C 60 aromatic hydrocarbon ring; or a substituted or unsubstituted C 2 to C 60 aromatic hetero ring,

R23 to R29 are the same as or different from each other, and are each independently 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 2 to C 60 alkenyl group; a substituted or unsubstituted C 2 to C 60 alkynyl group; a substituted or unsubstituted C 1 to C 60 alkoxy group; a substituted or unsubstituted C 3 to C 60 cycloalkyl group; a substituted or unsubstituted C 2 to C 60 heterocycloalkyl 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 which is unsubstituted or substituted with a C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 60 aryl group, or a C 2 to C 60 heteroaryl group, or two or more adjacent groups are bonded to each other to form a substituted or unsubstituted aliphatic or aromatic hydrocarbon ring,

R, R′, and R″ are the same as or different from each other, and are 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, and

in Chemical Formula 3,

at least one of X1 to X3 is N, and the others are each independently N or CR48,

R30, R31, and R48 are the same as or different from each other, and are each independently 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 2 to C 60 alkenyl group; a substituted or unsubstituted C 2 to C 60 alkynyl group; a substituted or unsubstituted C 1 to C 60 alkoxy group; a substituted or unsubstituted C 3 to C 60 cycloalkyl group; a substituted or unsubstituted C 2 to C 60 heterocycloalkyl 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 which is unsubstituted or substituted with a C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 60 aryl group, or a C 2 to C 60 heteroaryl group, or two or more adjacent groups are bonded to each other to form a substituted or unsubstituted aliphatic or aromatic hydrocarbon ring,

R32 to R34 and R40 to R43 are the same as or different from each other, and are each independently 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 2 to C 60 alkenyl group; a substituted or unsubstituted C 2 to C 60 alkynyl group; a substituted or unsubstituted C 1 to C 60 alkoxy group; a substituted or unsubstituted C 3 to C 60 cycloalkyl group; a substituted or unsubstituted C 2 to C 60 heterocycloalkyl 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 which is unsubstituted or substituted with a C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 60 aryl group, or a C 2 to C 60 heteroaryl group,

R44 to R47 are the same as or different from each other, and are each independently 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 2 to C 60 alkenyl group; a substituted or unsubstituted C 2 to C 60 alkynyl group; a substituted or unsubstituted C 1 to C 60 alkoxy group; a substituted or unsubstituted C 3 to C 60 cycloalkyl group; a substituted or unsubstituted C 2 to C 60 heterocycloalkyl 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 which is unsubstituted or substituted with a C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 60 aryl group, or a C 2 to C 60 heteroaryl group, or two or more adjacent groups are bonded to each other to form a substituted or unsubstituted hydrocarbon ring or hetero ring,

at least one of R35 to R39 is —CN, and the others are each independently 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 2 to C 60 alkenyl group; a substituted or unsubstituted C 2 to C 60 alkynyl group; a substituted or unsubstituted C 1 to C 60 alkoxy group; a substituted or unsubstituted C 3 to C 60 cycloalkyl group; a substituted or unsubstituted C 2 to C 60 heterocycloalkyl 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 which is unsubstituted or substituted with a C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 60 aryl group, or a C 2 to C 60 heteroaryl group, or two or more adjacent groups are bonded 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 are 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.

10 . The organic light emitting device of claim 9 , wherein the compound represented by Chemical Formula 2 is represented by any one of the following compounds:

11 . The organic light emitting device of claim 9 , wherein the compound represented by Chemical Formula 3 is represented by any one of the following compounds:

12 . The organic light emitting device of claim 9 , wherein the organic light emitting device comprises as a host material for a light emitting layer: the hetero-cyclic compound; and the compound represented by Chemical Formula 2 or 3.

13 . The organic light emitting device of claim 9 , wherein the organic light emitting device comprises as a host material for a light emitting layer: the hetero-cyclic compound; and the compound represented by Chemical Formula 2 or 3 at a weight ratio of 1:10 to 10:1.