Hetero-cyclic compound and organic light emitting device using the same

A hetero-cyclic compound represented by the following Chemical Formula 1:

• L1 is a direct bond;
• a substituted or unsubstituted arylene group having 6 to 60 carbon atoms;
• or a substituted or unsubstituted heteroarylene group having 2 to 60 carbon atoms,
• L2 is a direct bond;
• or a substituted or unsubstituted arylene group having 6 to 60 carbon atoms,
• R1 is a substituted or unsubstituted aryl group having 6 to 60 carbon atoms;
• a substituted or unsubstituted heteroaryl group having 2 to 60 carbon atoms;
• or a substituted or unsubstituted amine group,
• R2 is a substituted or unsubstituted aryl group having 6 to 60 carbon atoms;
• or a substituted or unsubstituted amine group,
• X1 to X3 are each independently hydrogen;
• deuterium;
• a halogen group;
• a substituted or unsubstituted alkyl group having 61 to 60 carbon atoms;
• a substituted or unsubstituted cycloalkyl group having 3 to 60 carbon atoms;
• a substituted or unsubstituted aryl group having 6 to 60 carbon atoms;
• or a substituted or unsubstituted hetero-cyclic group having 2 to 60 carbon atoms,
• m and n are each an integer of 1 to 4, and when m and n are 2 or greater, substituents in the parentheses are the same as or different from each other,
• l is 1 or 2, and when l is 2, substituents in the parentheses are the same as or different from each other, and
• m, n and l are m+n+l≤8.