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US 10,593,888 B2Granted
Polycyclic compound and organic light-emitting device including the same
AssigneesSamsung Display Co., Ltd., Seoul National University R&Db Foundation
InventorsSehun Kim, Sooyoung Park, Chihyun Ryoo, Illhun Cho, Junghoon Yang, Seyoung Jung, Hyein Jeong
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Abstract
A polycyclic compound and an organic light-emitting device including the same are provided. The polycyclic compound is represented by Formula 1:
Claims19
A polycyclic compound represented by Formula 1,
- wherein a difference between a singlet energy level and a triplet energy level of the polycyclic compound is 0.3 eV or less:
- wherein, in Formulae 1 to 4,
- X1 is O or S,
- Y11, Y21, and Y22 are each independently selected from a single bond, C(R31)(R32), Si(R31)(R32), O, S, and N(R31), and wherein Y21 and Y22 are not a single bond at the same time,
- A11, A12, A21, and A22 are each independently a C3-C60 carbocyclic group or a C1-C60 heterocyclic group,
- L1, L11, and L21 are each independently a substituted or unsubstituted C3-C60 carbocyclic group or a substituted or unsubstituted C1-C60 heterocyclic group,
- a1, a11, and a21 are each independently an integer selected from 0 to 3, wherein, when a1 is two or more, two or more L1(s) are identical to or different from each other, when a11 is two or more, two or more L11(s) are identical to or different from each other, and when a21 is two or more, two or more L21(s) are identical to or different from each other,
- Ar1 is selected from —F, —Cl, —Br, —I, a cyano group, 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 C6-C60 aryl group, —N(Q101)(Q102), and —S(Q101),
- R1 to R12, R21, R22, R31, and R32 are each independently selected from a group represented by one of Formulae 2 to 4, hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, 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 divalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group, —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —S(═O)2(Q1), and —P(═O)(Q1)(Q2),
- provided that each of R11 to R12, R21, R22, R31, and R32 is not a group represented by one of Formulae 2 to 4,
- at least one of R1 to R5 is a group represented by Formula 2 or Formula 3,
- at least one of R6 to R10 is a group represented by Formula 4,
- b11, b12, b21, and b22 are each independently an integer selected from 1 to 15, wherein, when b11 is two or more, two or more R11(s) are identical to or different from each other, when b12 is two or more, two or more R12(s) are identical to or different from each other, when b21 is two or more, two or more R21(s) are identical to or different from each other, and when b22 is two or more, two or more R22(s) are identical to or different from each other,
- at least one substituent of the substituted C3-C60 carbocyclic group, the substituted C1-C60 heterocyclic group, the substituted C1-C60 alkyl group, the substituted C2-C60 alkenyl group, the substituted C2-C60 alkynyl group, the substituted C1-C60 alkoxy group, the substituted C3-C10 cycloalkyl group, the substituted C1-C10 heterocycloalkyl group, the substituted C3-C10 cycloalkenyl group, the substituted C1-C10 heterocycloalkenyl group, the substituted C6-C60 aryl group, the substituted C6-C60 aryloxy group, the substituted C6-C60 arylthio group, the substituted C1-C60 heteroaryl group, the substituted monovalent non-aromatic condensed polycyclic group, and the substituted monovalent non-aromatic condensed heteropolycyclic group is selected from:
- deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazino group, a hydrazono group, 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 deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazino group, a hydrazono group, 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 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 heteropolycyclic group, —Si(Q11)(Q12)(Q13), —N(Q11)(Q12), —B(Q11)(Q12), —C(═O)(Q11), —S(═O)2(Q11), and —P(═O)(Q11)(Q12);
- 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 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 heteropolycyclic group, a biphenyl group, and a terphenyl group;
- 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 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 heteropolycyclic group, a biphenyl group, and a terphenyl group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazino group, a hydrazono group, 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 C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-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 heteropolycyclic group, a biphenyl group, a terphenyl group, —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21), and —P(═O)(Q21)(Q22);
- and
- —Si(Q31)(Q32)(Q33), —N(Q31)(Q32), —B(Q31)(Q32), —C(═O)(Q31), —S(═O)2(Q31), and —P(═O)(Q31)(Q32),
- Q101, Q102, Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 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 hydrazino group, a hydrazono group, 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 C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a biphenyl group, and a terphenyl group, and
- * indicates a binding site to a neighboring atom.
19 more elements
An organic light-emitting device comprising:
- an anode;
- a cathode facing the anode;
- and
- an organic layer between the anode and the cathode, the organic layer comprising an emission layer and at least one of the polycyclic compound represented by Formula 1:
- wherein the organic layer further comprises a hole transport region between the anode and the emission layer and an electron transport region between the emission layer and the cathode,
- the hole transport region comprises a hole injection layer, a hole transport layer, an emission auxiliary layer, an electron blocking layer, or any combination thereof, and
- the electron transport region comprises a hole blocking layer, an electron transport layer, an electron injection layer, or any combination thereof, and
- wherein the hole transport region comprises a p-dopant, of which a lower unoccupied molecular orbital (LUMO) energy level is −3.5 eV or less:
- wherein, in Formulae 1 to 4,
- X1 is O or S,
- Y11, Y21, and Y22 are each independently selected from a single bond, C(R31)(R32), Si(R31)(R32), O, S, and N(R31), and wherein Y21 and Y22 are not a single bond at the same time,
- A11, A12, A21, and A22 are each independently a C3-C60 carbocyclic group or a C1-C60 heterocyclic group,
- L1, L11, and L21, are each independently a substituted or unsubstituted C3-C60 carbocyclic group or substituted or unsubstituted C1-C60 hetrocyclic group,
- a1, a11, and a21 are each independently an integer selected from 0 to 3, wherein, when a1 is two or more, two or more L1(s) are identical to or different from each other, when a11 is two or more, two or more L11(s) are identical to or different from each other, and when a21 is two or more, two or more L21(s) are identical to or different from each other,
- Ar1 is selected from —F, —Cl, —Br, —I, a cyano group, 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 C6-C60 aryl group, —N(Q101)(Q102), and —S(Q101),
- R1 to R12, R21, R22, R31, and R32, are each independently selected from group represented by one of Formulae 2 to 4, hydrogen, deuterium —F, —C, —Br, —I, a hydroxyl group, a cyan group a nitro group, an amidino group, a hydrazino group, a hydrazono group, 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 C1-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 divalent non-aromatic condensed polycylic group, and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group, —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —S(═O)2(Q1) and —P(═O)(Q1)(Q2),
- provided that each of R11 to R12, R21, R22, R31, and R32 is not a group represented by one of Formula 2 to 4,
- at least one of R1 to R5 is a group represented by Formula 2 or Formula 3,
- at least one of to R6 to R10 is a group represented by Formula 4,
- b11, b12, b21, and b22 are each independently an integer selected from 1 to 15, wherein, when b11 is two or more, two or more R11(s) are identical to or different from each other, when b12 is two or more, two or more R12(s) are identical to or different from each other, when b21 is two or more, two or more R21(s) are identical to or different from each other, and when b22 is two or more, two or more R22(s) are identical to or different from each other,
- at least one substituent of the substituted C3-C60 carbocylic group, the substituted C1-C60 heterocyclic group, the substituted C1-C60 alkyl group, the substituted C2-C60 alkenyl group, the substituted C2-C60 alkynyl group, the substituted C1-C60 alkoxy group, the substituted C3-C10 cycloalkyl group, the substituted C1-C10 heterocycloalkyl group the substituted C3-C10 cycloalkenyl group, the substituted C1-C10 heterocycloalkenyl group, the substituted C1-C10 group, the substituted C6-C60 aryloxy group, the substituted C6-C60 arylthio group the substituted C1-C60 heteroaryl group, the substituted monovalent non-aromatic condensed polycyclic group, and the substituted monovalent non-aromatic condensed heteropolycyclic group is selected from:
- deuterium, —F, —Cl, —Br, —I, a hydroxyl group cyano group, a nitro group, an amino group, an amidino group, a hydrazino group, a hydrazono group, 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 deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazino group, a hydrazono group, a C3-C10 cycloakyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, C1-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 heteropolycyclic group, —Si(Q11)(Q12)(Q13), —N(Q11)(Q12), —B(Q11)(Q12), —C(═O)(Q11), —S(═O)2(Q11), and —P(═O)(Q11)(Q12);
- 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 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 heteropolycyclic group, a biphenyl group, and a terphenyl group;
- a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C1-C10 cycloalkenyl group, a C1-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 heteropolycyclic group, a biphenyl group, and a terphenyl group;
- each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazino group, a hydrazono group, 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 C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-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 heteropolycyclic group, a biphenyl group, a terphenyl group, —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21), and —P(═O)(Q21)(Q22);
- and
- —Si(Q31)(Q32)(Q33), —N(Q31)(Q32), —B(Q31)(Q32), —C(═O)(Q31), —S(═O)2(Q31), and —P(═O)(Q31)(Q32),
- Q101, Q102, Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 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 hydrazino group, a hydrazono group, 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 C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a biphenyl group, and a terphenyl group, and
- * indicates a binding site to a neighboring atom.
27 more elements
Dependencies are inferred from the claim text.