Compound and organic light emitting device comprising the same

A compound represented by the following Chemical Formula 1:

• in the Chemical Formula 1,
• R is Si(R1)(R2)(R3),
• R1 to R3 are each independently, hydrogen;
• deuterium;
• substituted or unsubstituted C1-60 alkyl;
• or substituted or unsubstituted C6-60 aryl;
• (tri(C1-60 alkyl)silyl)-(C1-10 alkylene)-;
• or (tri(C6-60 aryl)silyl)-(C1-10 alkylene)-, or R1 and R2 are linked to form a ring, provided that all of R1 to R3 are not substituted or unsubstituted C1-60 alkyl,
• L1 is a single bond;
• phenylene;
• or naphthalenediyl,
• m and n are each independently, an integer of 0 to 3,
• R4 and R5 are each independently, hydrogen;
• deuterium;
• halogen;
• cyano;
• substituted or unsubstituted C1-60 alkyl;
• substituted or unsubstituted C1-60 alkoxy;
• substituted or unsubstituted C1-60 thioalkyl;
• substituted or unsubstituted C3-60 cycloalkyl;
• substituted or unsubstituted C6-60 aryl;
• or substituted or unsubstituted C5-60 heteroaryl comprising one or more heteroatoms selected from the group consisting of N, O and S,
• Ar3 is deuterium;
• C1-10 alkyl;
• substituted or unsubstituted C6-60 aryl;
• or substituted or unsubstituted C5-60 heteroaryl comprising one or more heteroatoms selected from the group consisting of N, O and S,
• Ar1 and Ar2 are each independently, hydrogen;
• deuterium;
• substituted or unsubstituted C1-60 alkyl;
• substituted or unsubstituted C3-60 cycloalkyl;
• substituted or unsubstituted C6-60 aryl;
• or substituted or unsubstituted C5-60 heteroaryl comprising one or more heteroatoms selected from the group consisting of N, O and S, or linked with each other to form C3-60 cycloalkyl or a substituent represented by the following Chemical Formula 2,
• p and q are each independently, an integer of 0 to 4,
• R6 and R7 are each independently, hydrogen;
• deuterium;
• halogen;
• cyano;
• substituted or unsubstituted C1-60 alkyl;
• substituted or unsubstituted C1-60 alkoxy;
• substituted or unsubstituted C1-60 thioalkyl;
• substituted or unsubstituted C3-60 cycloalkyl;
• substituted or unsubstituted C6-60 aryl;
• or substituted or unsubstituted C5-60 heteroaryl comprising one or more heteroatoms selected from the group consisting of N, O and S.