Heterocyclic compound and organic light emitting device comprising the same

A heterocyclic compound represented by the following Chemical Formula 1:

• wherein,
• R1 to R12 are the same as or different from each other, and are each independently selected from the group consisting of hydrogen;
• deuterium;
• halogen;
• a cyano group;
• a substituted or unsubstituted C1 to C60 alkyl group;
• a substituted or unsubstituted C2 to C60 alkenyl group;
• a substituted or unsubstituted C2 to C60 alkynyl group;
• a substituted or unsubstituted C1 to C60 alkoxy group;
• a substituted or unsubstituted C3 to C60 cycloalkyl group;
• a substituted or unsubstituted C2 to C60 heterocycloalkyl group;
• a substituted or unsubstituted C6 to C60 aryl group;
• a substituted or unsubstituted C2 to C60 heteroaryl group;
• —P(═O)A101A102;
• —SiA101A102A103;
• and a group represented by Chemical Formula 2 below, or two or more groups adjacent to each other bond to each other to form a substituted or unsubstituted C6 to C60 aromatic hydrocarbon ring or a substituted or unsubstituted C2 to C60 heterocycle, and wherein A101, A102, and A103 are the same as or different from each other and are each independently a substituted or unsubstituted C1 to C60 alkyl group;
• a substituted or unsubstituted C6 to C60 aryl group;
• or a substituted or unsubstituted C2 to C60 heteroaryl group,
• wherein,
• L1, L2, and L3 are the same as or different from each other, and each independently a single bond;
• a substituted or unsubstituted C6 to C60 arylene group;
• or a substituted or unsubstituted C2 to C60 heteroarylene group,
• Ar1 and Ar2 are the same as or different from each other, and are each independently a substituted or unsubstituted C6 to C60 aryl group;
• or a substituted or unsubstituted C2 to C60 heteroaryl group, and
• p, q, and r are the same as or different from each other, and are each independently integers of 0 to 3.