Organic light-emitting device and electronic apparatus including the same

An organic light-emitting device comprising:

• a first electrode;
• a second electrode facing the first electrode;
• and
• an emission layer between the first electrode and the second electrode;
• wherein the emission layer comprises a first compound, a second compound, and a third compound,
• the first compound, the second compound, and the third compound are different from one another,
• the first compound is represented by Formula 1,
• the second compound is represented by Formula 2, and
• the third compound comprises a group represented by Formula 3:
• wherein, in Formulae 1 to 3,
• M is a transition metal, provided that M is not iridium (Ir),
• X1 to X4 are each independently N or C,
• T11 to T14 are each independently a chemical bond, O, S, B(R′), N(R′), P(R′), C(R′)(R″), Si(R′)(R″), Ge(R′)(R″), C(═O), B(R′)(R″), N(R′)(R″), or P(R′)(R″), wherein, when T11 is the chemical bond, X1 and M are directly bound, when T12 is the chemical bond, X2 and M are directly bound, when T13 is the chemical bond, X3 and M are directly bound, and when T14 is the chemical bond, X4 and M are directly bound,
• two bonds selected from a bond between X1 or T11 and M, a bond between X2 or T12 and M, a bond between X3 or T13 and M, and a bond between X4 or T14 and M are each a coordinate bond, and the others thereof are each a covalent bond,
• T1 is selected from a single bond, a double bond, *—N(R5)—*′, *—B(R5)—*′, *—P(R5)—*′, *—C(R5a)(R5b)—*′, *—Si(R5a)(R5b)—*′, *—Ge(R5a)(R5b)—*′, *—S—*′, *—Se—*′, *—O—*′, *—C(═O)—*′, *—S(═O)—*′, *—S(═O)2—*′, *—C(R5)═*′, *═C(R5)—*′, *—C(R5a)═C(R5b)—*′, *—C(═S)—*′, and *—C≡C*′,
• T2 is selected from a single bond, a double bond, *—N(R6)—*′, *—B(R6)—*′, *—P(R6)—*′, *—C(R6a)(R6b)—*′, *—Si(R6a)(R6b)—*′, *—Ge(R6a)(R6b)—*′, *—S—*′, *—Se—*′, *—O—*′, *—C(═O)—*′, *—S(═O)—*′, *—S(═O)2—*′, *—C(R6)═*′, *═C(R6)—*′, *—C(R6a)═C(R6b)—*′, *—C(═S)—*′, and *—C≡C—*′,
• T3 is selected from a single bond, a double bond, *—N(R7)—*′, *—B(R7)—*′, *—P(R7)—*′, *—C(R7a)(R7b)—*′, *—Si(R7a)(R7b)—*′, *—Ge(R7a)(R7b)—*′, *—S—*′, *—Se—*′, *—O—*′, *—C(═O)—*′, *—S(═O)—*′, *—S(═O)2—*′, *—C(R7)═*′, *═C(R7)—*′, *—C(R7a)═C(R7b)—*′, *—C(═S)—*′, and *—C≡C—*′,
• ring CY1 to ring CY4, ring CY51 to ring CY53, and ring CY71 and ring CY72 are each independently selected from a C5-C30 carbocyclic group and a C1-C30 heterocyclic group,
• L51 to L53 are each independently selected from a substituted or unsubstituted C5-C30 carbocyclic group and a substituted or unsubstituted C1-C30 heterocyclic group,
• a bond between L51 and ring CY51, a bond between L52 and ring CY52, a bond between L53 and ring CY53, a bond between two or more L51(s), a bond between two or more L52(s), a bond between two or more L53(s), a bond between L51 and carbon between X54 and X55 in Formula 2, a bond between L52 and carbon between X54 and X56 in Formula 2, and a bond between L53 and carbon between X55 and X56 in Formula 2 are each a carbon-carbon single bond,
• b51 to b53 are each independently an integer of 0 to 5, wherein, when b51 is 0, *-(L51)b51-*′ is a single bond, when b52 is 0, *-(L52)b52-*′ is a single bond, and when b53 is 0, *-(L53)b53-*′ is a single bond,
• X54 is N or C(R54), X55 is N or C(R55), X56 is N or C(R56), and at least one selected from X54 to X56 is N,
• X81 is a single bond, O, S, N(R81), B(R81), C(R81a)(R81b), or Si(R81a)(R81b),
• R1 to R7, R5a, R5b, R6a, R6b, R7a, R7b, R′, R″, R51 to R56, R71, R72, R81, R81a, and R81b are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazine group, a hydrazone 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 C7-C60 alkyl 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 C2-C60 alkyl heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —C(Q1)(Q2)(Q3), —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —C(═O)(Q1), —S(═O)2(Q1), —P(═O)(Q1)(Q2), and a bidentate organic ligand,
• a1 to a4, a51 to a53, a71 and a72 are each independently an integer of 0 to 20,
• i) two groups selected from R1(s) in the number of a1, ii) two groups selected from R2(s) in the number of a2, iii) two groups selected from R3(s) in the number of a3, iv) two groups selected from R4(s) in the number of a4, v) R5a and R5b, vi) R6a and R6b, vii) R7a and R7b, and viii) two groups selected from R1 to R7, R5a, R5b, R6a, R6b, R7a, R7b, R′, and R″ are optionally linked via a single bond, a double bond, or a first linking group to form a C5-C30 carbocyclic group that is unsubstituted or substituted with at least one R10a or a C1-C30 heterocyclic group that is unsubstituted or substituted with at least one R10a,
• R10a is the same as defined in connection with R1,
• * and *′ each indicate a binding site to a neighboring atom,
• at least one substituent of the substituted C5-C30 carbocyclic group, the substituted C1-C30 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 C7-C60 alkyl aryl group, the substituted C6-C60 aryloxy group, the substituted C6-C60 arylthio group, the substituted C1-C60 heteroaryl group, the substituted C2-C60 alkyl 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 amidino group, a hydrazine group, a hydrazone 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 amidino group, a hydrazine group, a hydrazone 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 C7-C60 alkyl aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a C2-C60 alkyl heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —O(Q11), —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 C7-C60 alkyl aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a C2-C60 alkyl heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic 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 C7-C60 alkyl aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a Cr C60 alkyl heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazine group, a hydrazone 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 C7-C60 alkyl aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a C2-C60 alkyl heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —O(Q21), —S(Q21), —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —P(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21), and —P(═O)(Q21)(Q22);
• and
• —O(Q31), —S(Q31), —Si(Q31)(Q32)(Q33), —N(Q31)(Q32), —B(Q31)(Q32), —P(Q31)(Q32), —C(═O)(Q31), —S(═O)2(Q31) and —P(═O)(Q31)(Q32), and
• 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 amidino group, a hydrazine group, a hydrazone 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 C1-C60 alkyl group substituted with at least one selected from deuterium, —F, a cyano group, a C1-C60 alkyl group, a phenyl group, and a biphenyl group, and a C6-C60 aryl group substituted with at least one selected from deuterium, —F, a cyano group, a C1-C10 alkyl group, a phenyl group, and a biphenyl group.