Organic compound and organic light-emitting device

An organic compound represented by formula [1] or [2]:

• where in formula [1] or [2],
• X1 to X18 and X21 to X38 are each independently selected from a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted heteroaryloxy group, a silyl group, and a cyano group,
• wherein at least one of X1 to X8 and at least one of X21 to X28 are substituted or unsubstituted amino groups, groups bonded to nitrogen atoms of the substituted or unsubstituted amino groups are optionally taken together to form a ring structure, the groups bonded to the nitrogen atoms of the substituted or unsubstituted amino groups are each optionally taken together with any of adjacent X1 to X8 or any of adjacent X21 to X28 to form a ring, and the groups bonded to the nitrogen atoms of the substituted or unsubstituted amino groups are each optionally taken together with any of adjacent X1 to X8 or any of adjacent X21 to X28 with oxygen or sulfur provided therebetween to form a ring;
• and
• each Y is oxygen, sulfur, selenium, tellurium, or a CR1CR2 group and are optionally the same or different,
• wherein R1 and R2 are each independently selected from a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted heteroaryloxy group, a silyl group, and a cyano group.