Condensed cyclic compound and organic light-emitting device including the same

An organic light-emitting device comprising:

• a first electrode;
• a second electrode;
• and
• an organic layer disposed between the first electrode and the second electrode,
• wherein the organic layer comprises an emission layer and at least one condensed cyclic compound represented by Formula 1,
• wherein the emission layer emits blue light:
• wherein, in Formulae 1, 2-1 to 2-4, 3-1, and 3-2,
• Ar1 is selected from groups represented by Formulae 2-1 to 2-4;
• Ar2 is selected from groups represented by Formulae 3-1 and 3-2;
• L1 is selected from a substituted or unsubstituted C6-C60 arylene group and a substituted or unsubstituted C1-C60 heteroarylene group;
• a1 is selected from 1, 2, and 3;
• X21 is selected from O, S, C(R22)(R23), Si(R22)(R23), Ge(R22)(R23), and P(═O)(R22);
• X31 is selected from O, S, N(R34), C(R34)(R35), Si(R34)(R35), and Ge(R34)(R35);
• A21, A31, and A33 are each independently selected from a C5-C20 carbocyclic group and a C4-C20 heterocyclic group;
• A32 is selected from a C5-C20 carbocyclic group;
• Y21 is selected from a substituted or unsubstituted C6-C60 aryl group and a substituted or unsubstituted C1-C60 heteroaryl group;
• R21 to R23 and R31 to R35 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C1-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C1-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C6-C60 aryloxy group, a substituted or unsubstituted C6-C60 arylthio group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group;
• b21 is selected from 1, 2, 3, 4, 5, 6, 7, and 8;
• b31 to b33 are each independently selected from 1, 2, 3, 4, 5, and 6;
• and
• * denotes a binding site to a neighboring atom,
• wherein the emission layer comprises the condensed cyclic compound, wherein the emission layer further comprises a host, and wherein the condensed cyclic compound is a dopant.