| 主权项 |
1. An organic light-emitting device, comprising:
a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes at least one first material represented by Formula 1 and at least one second material represented by Formula 2: wherein in Formulae 1 and 2, L11, L21, and L22 are each independently selected from a substituted or unsubstituted C6-C60 arylene group and a substituted or unsubstituted C1-C60 heteroarylene group; L12 is selected from a substituted or unsubstituted phenylene group and a substituted or unsubstituted naphthylenyl group; a11 is 0 or 1; a12 is 1 or 2; a21 and a22 are each independently selected from 0, 1, and 2; R11 and R12 are each independently selected from a substituted or unsubstituted C6-C60 aryl 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; R21 and R22 are each independently selected from a substituted or unsubstituted pyridyl group, a substituted or unsubstituted quinolinyl group, and a substituted or unsubstituted isoquinolinyl group; b11, b12, b21, and b22 are each independently selected from 1, 2, and 3; R13, R14, R23, and R24 are each independently selected from a hydrogen, a 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 or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C6-C60 aryloxy group, a substituted or unsubstituted C1-C60 heteroaryl group a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed hetero-polycyclic group, and —Si(Q1)(Q2)(Q3); b13, b14, b23, and b24 are each independently selected from 1, 2, 3 and 4; at least one substituent of the substituted C6-C60 arylene group, the substituted C1-C60 heteroarylene group, the substituted phenylene group, the substituted naphthylenyl group, the substituted C6-C60 aryl group, the substituted C1-C60 heteroaryl group, the substituted monovalent non-aromatic condensed polycyclic group, the substituted monovalent non-aromatic condensed hetero-polycyclic group, the substituted pyridyl group, the substituted quinolinyl group, the substituted isoquinolinyl group, the substituted C1-C60 alkyl group, the substituted C1-C60 alkoxy group, the substituted C3-C10 cycloalkyl group, and the substituted C6-C60 aryloxy group is selected from: a 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 C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, and a C1-C60 alkoxy group; a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, and a C1-C60 alkoxy group, each substituted with at least one selected from a 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 or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a C3-C10 cycloalkyl group, a C2-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed hetero-polycyclic group, and —Si(Q11)(Q12)(Q13); a C3-C10 cycloalkyl group, a C2-C10heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group; a C3-C10 cycloalkyl group, a C2-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed hetero-polycyclic group, each substituted with at least one selected from a 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 or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C10 cycloalkyl group, a C2-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed hetero-polycyclic group, and —Si(Q21)(Q22)(Q23); and —Si(Q31)(Q32)(Q33), wherein Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 are each independently selected from a C1-C60 alkyl group, a C6-C60 aryl group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group. |
