Compound and organic light emitting device comprising same

A compound of the following Formula 1:

• wherein, in Formula 1,
• R1 to R4 are each independently hydrogen;
• or deuterium,
• R5 and R6 are each independently a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted heterocyclic group,
• a is an integer from 0 to 6,
• b and d are each independently an integer from 0 to 4,
• c is an integer from 0 to 2,
• substituents in the parentheses are the same as or different from each other provided that a to d are each independently an integer of 2 or higher, and
• two or more adjacent R2's, R3's, and R4's are optionally bonded to each other respectively to form a ring, provided that b to d are each independently 2 or higher.