Compound and organic light-emitting device comprising same

A compound of Chemical Formula 1:

• wherein, in Chemical Formula 1;
• n is 0 or 1;
• when n is 0, at least one of R1 to R10 is a group of the following Chemical Formula A;
• when n is 1, at least one of R1 to R12 is a group of the following Chemical Formula A;
• and
• the rest of the groups among R1 to R12 other than the group of the following Chemical Formula A are the same as or different from each other, and each independently is hydrogen, deuterium, a halogen group, a cyano group, a nitro group, a hydroxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthioxy group, a substituted or unsubstituted arylthioxy group, a substituted or unsubstituted alkylsulfoxy group a substituted or unsubstituted arylsulfoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, or adjacent groups bond to each other to form a substituted or unsubstituted ring;
• in Chemical Formula A,
• L1 is a direct bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group;
• l1 is an integer of 1 to 5;
• m is an integer of 1 to 3;
• when l1 is 2 or greater, the two or more Lis are the same as or different from each other;
• means a site directly bonding to at least one of R1 to R10 or at least one of R1 to R12 of Chemical Formula 1;
• when n is 1 and R1 and R2 are the rest of the groups other than the group of Chemical Formula A, at least one of R1 and R2 is deuterium, a halogen group, a cyano group, a nitro group, a hydroxyl group, a substituted or unsubstituted alkyl group a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group a substituted or unsubstituted aryloxy group a substituted or unsubstituted alkylthioxy group, a substituted or unsubstituted arylthioxy group, a substituted or unsubstituted alkylsulfoxy group, a substituted or unsubstituted arylsulfoxy group a substituted or unsubstituted alkenyl group a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, or adjacent groups bond to each other to form a substituted or unsubstituted;
• and
• when n is 0, R1 or R2 is the group of Chemical Formula A, l1 is 1, m is 1 and L1 is a phenylene group, R1 or R2 is a group of the following Chemical Formula A-1 or A-2;
• wherein in Chemical Formulae A-1 and A-2;
• means a site directly bonding to R1 or R2 of Chemical Formula 1.