Boron-containing compound and organic light-emitting element comprising same

A compound of Chemical Formula 1:

• wherein, in Chemical Formula 1:
• A1, A2, A3, B1 and B2 are the same as or different from each other, and are each independently a hydrocarbon ring;
• Ar1, Ar2, Ar4 and Ar5 are the same as or different from each other, and are each independently a substituted or unsubstituted aryl group;
• Ar3 and Ar6 are the same as or different from each other, and are each independently a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group;
• R1 and R3 are the same as or different from each other, and are each independently deuterium, a halogen group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aryloxy group, or a substituted or unsubstituted heterocyclic group;
• R2 and R5 are the same as or different from each other, and are each independently hydrogen, deuterium, a halogen group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aryloxy group, or a substituted or unsubstituted heterocyclic group;
• R4 is deuterium, a halogen group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aryloxy group, or a substituted or unsubstituted heterocyclic group;
• n1 to n3 and n5 are each an integer of 0 to 10, n4 is an integer of 1 to 10, and when any of n1 to n5 is 2 or greater, the two or more substituents in the parentheses are the same as or different from each other;
• n1+n3 is 1 or greater;
• and
• m1 and m2 are each 0 or 1, and m1+m2 is 1.