Novel compound and organic light emitting device comprising the same

A compound by of the following Chemical Formula 1:

• wherein, in the Chemical Formula 1,
• Y1 is O or S,
• any one of Q1 to Q3 is the following Chemical Formula 2, and the rest are CH,
• any one of Q4 to Q6 is the following Chemical Formula 3, and the rest are CH,
• Q6 is CH provided that Q1 is the following Chemical Formula 2, and Q5 is CH provided that Q2 is the following Chemical Formula 2,
• wherein, in the Chemical Formula 2,
• L1 is a single bond;
• a substituted or unsubstituted C6-60 arylene;
• or a substituted or unsubstituted C5-60 heteroarylene containing at least one heteroatom selected from the group consisting of N, O and S, L1 is a single bond provided that Q3 is Chemical Formula 2,
• X1 to X3 are each independently N or CH, provided that at least one of them is N,
• Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl;
• or a substituted or unsubstituted C5-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O and S,
• wherein, in the Chemical Formula 3
• Y2 is O or S,
• L2 is a single bond;
• a substituted or unsubstituted C6-60 arylene;
• or a substituted or unsubstituted C5-60 heteroarylene containing at least one heteroatom selected from the group consisting of N, O and S,
• Z1 to Z4 are each independently N or CH, provided that at least two of them are N, and
• Ar3 is hydrogen;
• a substituted or unsubstituted C1-60 alkyl;
• or a substituted or unsubstituted C6-60 aryl.