Compound and organic light-emitting device comprising same

A compound represented by the following Chemical Formula 1:

• wherein in Chemical Formula 1,
• A1 is a substituted or unsubstituted monocyclic or polycyclic heteroring having a 5-membered ring including O or S, and
• R1 to R7, R′, and R″ are the same as or different from each other, and each independently hydrogen;
• deuterium;
• a halogen group;
• a cyano group;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted haloalkyl group;
• a substituted or unsubstituted cycloalkyl group;
• a substituted or unsubstituted alkoxy group;
• a substituted or unsubstituted haloalkoxy group;
• a substituted or unsubstituted alkylthioxy group;
• a substituted or unsubstituted aryloxy group;
• a substituted or unsubstituted arylthioxy group;
• a substituted or unsubstituted alkenyl group;
• a substituted or unsubstituted boron group;
• a substituted or unsubstituted amine group;
• a substituted or unsubstituted arylalkyl group;
• a substituted or unsubstituted silyl group;
• a substituted or unsubstituted hydrocarbon ring group;
• or a substituted or unsubstituted heterocyclic group, or adjacent groups among R1 to R7, R′, and R″ bond to each other to form a substituted or unsubstituted ring.