Organic compound and organic light emitting device including the same

An organic light emitting device, comprising:

• a substrate;
• and
• an organic light emitting diode positioned on the substrate and including a first electrode;
• a second electrode facing the first electrode;
• and a first emitting part between the first and second electrodes, the first emitting part including a first green emitting material layer,
• wherein the first green emitting material layer includes a first compound that is an organic compound represented by Formula 1:
• wherein L1 is a substituted or unsubstituted C5 to C30 heteroarylene group, and L2 is selected from the group consisting of a single bond, and a substituted or unsubstituted C6 to C30 arylene group,
• wherein one of X1 and X2 is a nitrogen atom, and the other one of X1 and X2 is O or S,
• wherein each of Ar1, Ar2, and Ar3 is independently selected from the group consisting of hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C30 cycloalkyl group, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C6 to C30 aryloxy group, a substituted or unsubstituted C1 to C10 alkylthioxy group, a substituted or unsubstituted C6 to C30 arylthioxy group, a substituted or unsubstituted C1 to C10 alkylsulfoxy group, a substituted or unsubstituted C6 to C30 arylsulfoxy group, a substituted or unsubstituted C6 to C30 aryl group, and a substituted or unsubstituted C3 to C30 heteroaryl group,
• wherein each of Ar4 and Ar5 is independently selected from the group consisting of a substituted or unsubstituted C6 to C30 aryl group, and a substituted or unsubstituted C3 to C30 heteroaryl group, and
• wherein, a1 is an integer of 0 to 95, each of a2, a3, a4, and a5 is independently an integer of 0 to 30, and at least one of a1 to a5 is a positive integer.