| 主权项 |
1. An organic light-emitting device, comprising:
a first electrode; a second electrode; and an organic layer comprising an emission layer between the first electrode and the second electrode; wherein the organic layer comprises a first compound represented by Formula 1 and a second compound represented by one selected from Formulae 2-1 to 2-3: wherein, in Formulae 1, 2-1 to 2-3, and 8, X11 is selected from N(R113), C(R113)(R114), O, and S; X12 is selected from N(R115), C(R115)(R116), O, and S; X21 is selected from N(R201), C(R201)(R202), O, and S, X22 is selected from N(R203), C(R203)(R204), O, and S, and X23 is selected from N(R205), C(R205)(R206), O, and S, in Formula 2-1, i) when X21 is N(R201), X22 is selected from N(R203), O, and S; and ii) when X21 is C(R201)(R202), X22 is selected from C(R203)(R204), O, and S; in Formula 2-3, i) when X21 is N(R201) and X22 is N(R203), X23 is selected from N(R205), O, and S, ii) when X21 is C(R201)(R202) and X22 is C(R203)(R204), X23 is selected from C(R205)(R206), O, and S, iii) when X21 is O and X22 is O, X23 is selected from N(R205), O, and S, iv) when X21 is S and X22 is S, X23 is selected from N(R205), C(R205)(R206), and O, and v) when X21 is O and X22 is S, X23 is selected from N(R205) and C(R205)(R206), L21 to L23 and L81 are each independently selected from a substituted or unsubstituted C3-C10 cycloalkylene group, a substituted or unsubstituted C1-C10 heterocycloalkylene group, a substituted or unsubstituted C3-C10 cycloalkenylene group, a substituted or unsubstituted C1-C10 heterocycloalkenylene group, a substituted or unsubstituted C6-C60 arylene group, a substituted or unsubstituted C1-C60 heteroarylene group, a substituted or unsubstituted divalent non-aromatic condensed polycyclic group and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group; a21 to a23 and a81 are each independently selected from 0, 1, 2, 3, 4, and 5; R21 is selected from the group consisting of: a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C1-C60 heteroaryl group; and a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, and a C1-C60 heteroaryl group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a C1-C60 alkyl group, a C1-C60 alkoxy group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, and a C1-C60 heteroaryl group; R81 is selected from 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 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; R101 to R116 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a group represented by Formula 8, 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 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, provided that at least one selected from R101 to R116 is a group represented by Formula 8; R22 to R27 and R201 to R206 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 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, and a substituted or unsubstituted C1-C60 heteroaryl group; R201 and R202, R203 and R204, and/or R205 and R206 are optionally linked to each other to form a saturated or unsaturated ring; b22, b24, and b26 are each independently selected from 1, 2, and 3; and b23, b25, and b27 are each independently selected from 1, 2, 3, and 4. |
