Organic Compound, and Organic Light Emitting Device Including the Same

An organic compound represented by Formula 1:

• wherein each of a1 and a2 is independently an integer of 0 to 4, and each of a3 and a4 is independently 0 or 1,
• each of X1 and X2 is independently O or S,
• each of Ar1 and Ar2 is independently selected from the group consisting of a substituted or unsubstituted C6 to C60 aryl group and a substituted or unsubstituted C3 to C60 heteroaryl group containing one of N, O and S,
• each R1 and R2 is independently selected from the group consisting of a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted aryl group and a substituted or unsubstituted C3 to C60 heteroaryl group containing one of N, O and S, and
• each of L1 and L2 is independently selected from the group consisting of a substituted or unsubstituted C6 to C60 arylene group and a substituted or unsubstituted C3 to C60 heteroarylene group containing one of N, O and S.