A heterocyclic compound represented by the following Chemical Formula 1 or 2: Wherein W 1 to W 4, X 1 to X 4, Y 1 to Y 4, and Z 1 to Z 4 are the same as or different from each other, and each independently CR or N, but W 1 and W 3 are N, W 2 and W 4 are N, X 1 and X 3 are N, X 2 and X 4 are N, Y 1 and Y 3 are N, Y 2 and Y 4 are N, Z 1 and Z 3 are N, or Z 2 and Z 4 are N, and R is hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; a hydroxy group; a carbonyl group; an ester group; an imide group; an amide group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylthioxy group; a substituted or unsubstituted arylthioxy group; a substituted or unsubstituted alkylsulfoxy group; a substituted or unsubstituted arylsulfoxy group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted silyl group; a substituted or unsubstituted boron group; a substituted or unsubstituted alkylamine group; a substituted or unsubstituted aralkylamine group; a substituted or unsubstituted arylamine group; a substituted or unsubstituted heteroarylamine group; a substituted or unsubstituted arylphosphine group; a substituted or unsubstituted phosphine oxide group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms, or the adjacent groups are bonded to each other to form a monocyclic or polycyclic aliphatic or aromatic hydrocarbon cycle; or a monocyclic or polycyclic aliphatic or aromatic heterocycle. Wherein W 1 to W 4, X 1 to X 4, Y 1 to Y 4, and Z 1 to Z 4 are the same as or different from each other, and each independently CR or N, but W 1 and W 3 are N, W 2 and W 4 are N, X 1 and X 3 are N, X 2 and X 4 are N, Y 1 and Y 3 are N, Y 2 and Y 4 are N, Z 1 and Z 3 are N, or Z 2 and Z 4 are N, and R is hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; a hydroxy group; a carbonyl group; an ester group; an imide group; an amide group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylthioxy group; a substituted or unsubstituted arylthioxy group; a substituted or unsubstituted alkylsulfoxy group; a substituted or unsubstituted arylsulfoxy group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted silyl group; a substituted or unsubstituted boron group; a substituted or unsubstituted alkylamine group; a substituted or unsubstituted aralkylamine group; a substituted or unsubstituted arylamine group; a substituted or unsubstituted heteroarylamine group; a substituted or unsubstituted arylphosphine group; a substituted or unsubstituted phosphine oxide group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms, or the adjacent groups are bonded to each other to form a monocyclic or polycyclic aliphatic or aromatic hydrocarbon cycle; or a monocyclic or polycyclic aliphatic or aromatic heterocycle.