Compound and organic light-emitting diode comprising same

A compound represented by the following Chemical Formula 1:

• wherein in Chemical Formula 1,
• R1 to R4 are hydrogen;
• deuterium;
• or bonded to adjacent group among R1 to R4 to form an aryl group having 6 to 60 carbon atoms,
• R5 to R10 are each independently hydrogen or deuterium,
• L is a direct bond;
• a substituted or unsubstituted arylene group;
• or a substituted or unsubstituted heterocyclic group, and
• Ar is represented by the following Chemical Formula 2,
• in Chemical Formula 2,
• two of Y1 to Y4 are N, and the remaining two are C which is a bonding site to L and CR,
• X is O or S,
• R and R11 are each independently hydrogen;
• deuterium;
• a halogen group;
• a nitrile group;
• a nitro group;
• a hydroxyl group;
• an aryloxy group;
• an alkylthioxy group;
• an arylthioxy group;
• an alkylsulfoxy group;
• an arylsulfoxy group;
• a silyl group;
• a boron group;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted cycloalkyl group;
• a substituted or unsubstituted alkenyl group;
• a substituted or unsubstituted aryl group;
• a substituted or unsubstituted aralkyl group;
• a substituted or unsubstituted alkylamine group;
• a substituted or unsubstituted aralkylamine group;
• a substituted or unsubstituted heteroarylamine group;
• a substituted or unsubstituted arylamine group;
• a substituted or unsubstituted arylheteroarylamine group;
• a substituted or unsubstituted arylphosphine group;
• or a substituted or unsubstituted heterocyclic group,
• a is an integer of 1 to 4, and
• when a is 2 or greater, two or more R11s are the same as or different from each other.