Organic Compound, And Organic Light Emitting Diode And Organic Light Emitting Device Including The Same

An organic compound represented by Formula 1:

• wherein a1 is an integer of 0 to 5, a2 is an integer of 0 to 3,
• wherein each R1 is independently selected from the group consisting of a substituted or unsubstituted C1 to C10 alkyl group,
• wherein each R2 is independently selected from the group consisting of a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C60 aryl group and a substituted or unsubstituted C3 to C60 heteroaryl group,
• wherein when a1 is 2 or more, 2 or more R1 groups are the same or different,
• wherein when a2 is 2 or more, 2 or more R2 groups are the same or different,
• wherein each L1, L2 and L3 is independently selected from the group consisting of a single bond, a substituted or unsubstituted C6 to C60 arylene group and a substituted or unsubstituted C3 to C60 heteroarylene group,
• wherein Ar1 is selected from Formula 1a-1 to Formula 1a-5:
• wherein in Formula 1a-1, b1 is an integer of 0 to 5,
• wherein in Formula 1a-2, b2 is an integer of 0 to 7,
• wherein in each of Formulas 1a-3 to 1a-5, each b3 is independently an integer of 0 to 4,
• wherein when each b1, b2, and b3 is 2 or more, 2 or more R3 groups are the same or different,
• wherein in Formula 1a-4, V1 is selected from O, S, and C(R3)2,
• wherein in Formula 1a-5, V2 is selected from O and S,
• wherein in each of Formulas 1a-1 to 1a-5, each R3 is independently selected from the group consisting of deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C60 aryl group and a substituted or unsubstituted C3 to C60 heteroaryl group,
• wherein Ar2 is selected from Formula 1b-1 and Formula 1b-2,
• wherein in each of Formulas 1b-1 and 1b-2, b4 is an integer of 0 to 4,
• wherein each R4 is independently selected from the group consisting of deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C60 aryl group and a substituted or unsubstituted C3 to C60 heteroaryl group,
• wherein when b4 is 2 or more, 2 or more R4 groups are the same or different, and
• wherein in Formula 1b-2, R5 is selected from the group consisting of hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group and a substituted or unsubstituted C6 to C60 aryl group.