Compound and organic light-emitting device comprising same

A compound of Chemical Formula 1:

• wherein, in Chemical Formula 1:
• one of A1 and A2 is substituent of the following Chemical Formula 2, and the other one is a cyano group;
• R3 is:
• a phenyl group substituted with one or more substituents selected from the group consisting of deuterium, a C1 to C10 alkyl group, a C6 to C20 aryl group and a C2 to C20 heteroaryl group, or substituted with a substituent in which two or more substituents selected from the group consisting of a C1 to C10 alkyl group, a C6 to C20 aryl group and a C2 to C20 heteroaryl group are linked to each other;
• or
• a C10 to C20 aryl group that is unsubstituted or substituted with one or more substituents selected from the group consisting of deuterium, a C1 to C10 alkyl group, a C6 to C20 aryl group and a C2 to C20 heteroaryl group, or unsubstituted or substituted with a substituent in which two or more substituents selected from the group consisting of a C1 to C10 alkyl group, a C6 to C20 aryl group and a C2 to C20 heteroaryl group are linked to each other;
• or
• a C2 to C20 heteroaryl group that is unsubstituted or substituted with one or more substituents selected from the group consisting of deuterium, a C1 to C10 alkyl group, a C6 to C20 aryl group and a C2 to C20 heteroaryl group, or unsubstituted or substituted with a substituent in which two or more substituents selected from the group consisting of a C1 to C10 alkyl group, a C6 to C20 aryl group and a C2 to C20 heteroaryl group are linked to each other;
• R4 to R7 are each independently hydrogen, deuterium, a halogen group, a substituted or unsubstituted silyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted alkylamine group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group;
• a is an integer of 0 to 4, and when a is 2 or greater, the R4s are the same as or different from each other;
• b is an integer of 0 to 2, and when b is 2, the R5s are the same as or different from each other;
• c is an integer of 0 to 4, and when c is 2 or greater, the R6s are the same as or different from each other;
• and
• d is an integer of 0 to 3, and when d is 2 or greater, the R7s are the same as or different from each other;
• wherein:
• R1 and R2 are each independently a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group;
• and
• (1) at least one of R1 and R2 is a substituted phenyl group, a substituted or unsubstituted C10 or higher aryl group, or a substituted or unsubstituted heteroaryl group;
• or
• (2) R7 is deuterium and dis 1 or greater.