Heterocyclic compound and organic light emitting device comprising the same

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

wherein, in Chemical Formula 1,

X is each independently N or CH,

L 1 is a single bond; or a substituted or unsubstituted C 6-60 arylene,

Ar 1 and Ar 2 are each independently a substituted or unsubstituted C 6-60 aryl; or a substituted or unsubstituted C 2-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O, S and Si,

each R is identical to each other and is represented by -L 2 -Ar 3 , and R is not an unsubstituted phenyl,

L 2 is a single bond; a substituted or unsubstituted C 6-60 arylene; or a substituted or unsubstituted C 2-60 heteroarylene containing at least one heteroatom selected from the group consisting of N, O, S and Si, and

Ar 3 is a substituted or unsubstituted C 6-60 aryl; or a substituted or unsubstituted C 2-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O, S and Si.

2. The compound of claim 1 , wherein all of X are N.

3. The compound of claim 1 , wherein L 1 is a single bond; or phenylene.

4. The compound of claim 1 , wherein Ar 1 and Ar 2 are each independently phenyl, or biphenylyl.

5. The compound of claim 1 , wherein L 2 is a single bond; or phenylene.

6. The compound of claim 1 , wherein Ar 3 is a C 6-60 aryl unsubstituted or substituted with one or more deuterium, or one or more cyano; or a C 2-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O, S and Si, which is substituted with one or more deuterium, or one or more cyano.

7. The compound of claim 1 , wherein Ar 3 is any one selected from the group consisting of:

wherein,

n1 is an integer of 0 to 4,

n2 is an integer of 0 to 5, and

n3 is an integer of 0 to 9.

8. The compound of claim 1 , wherein Ar 3 is phenyl substituted with cyano, biphenylyl unsubstituted Or substituted with one to five deuterium, naphthyl, phenanthrenyl unsubstituted or substituted with one to five deuterium, dimethylfluorenyl substituted with one to five deuterium, benzofuranyl substituted with one to five deuterium, benzothiophenyl, carbazolyl, pyridinephenyl, 9,9-dimethyl-xanthenyl, or 9,9-dimethyl-thioxanthenyl.

9. The compound of claim 1 , wherein the compound represented by the Chemical Formula 1 is selected from the group consisting of the following compounds:

10. An organic light emitting device comprising a first electrode; a second electrode provided to face the first electrode; and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more of the organic material layers comprises a compound according to claim 1 .