Novel Compound and Organic Light Emitting Device Comprising the Same

A compound represented by the following Chemical Formula 1:

• wherein in Chemical Formula 1
• L is N;
• C(Z1);
• a substituted or unsubstituted trivalent C6-60 aromatic ring;
• or a substituted or unsubstituted trivalent C2-60 heteroaromatic ring containing at least one heteroatom selected from N, O or S,
• each L′ is independently a single bond;
• O;
• S;
• N(Z2);
• or a substituted or unsubstituted C6-60 arylene,
• n is 0, 1, or 2,
• wherein Z1 and Z2 are each independently hydrogen;
• deuterium;
• a substituted or unsubstituted C1-60 alkyl;
• a substituted or unsubstituted C6-60 aryl;
• or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from N, O or S,
• L1 to L3 are each independently a single bond;
• a substituted or unsubstituted C6-60 arylene;
• or a substituted or unsubstituted C2-60 heteroarylene containing at least one heteroatom selected from N, O or S,
• Ar1 to Ar3 are each independently a substituted or unsubstituted C6-60 aryl;
• or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from N, O or S,
• R1 to R3 are each independently deuterium;
• halogen;
• cyano;
• a substituted or unsubstituted C1-60 alkyl;
• a substituted or unsubstituted C6-60 aryl;
• or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from N, O or S,
• a and c are each independently an integer of 0 to 3, and
• b is an integer of 0 to 4.