Organometallic compound and organic light-emitting device including the same

Patent metadata

Field	Value
Publication number	US-12004416-B2
Application number	US-202117195743-A
Country	US
Kind code	B2
Filing date	Mar 9, 2021
Priority date	Aug 31, 2020
Publication date	Jun 4, 2024
Grant date	Jun 4, 2024

Abstract

Provided are an organometallic compound represented by Formula 1 and an organic light-emitting device including the same:M1(Ln1)n1(Ln2)3-n1   Formula 1wherein, in Formula 1, Ln2 is a ligand represented by Formula 1A, and other substituents are the same as described in the detailed description of the present specification:

First claim

What is claimed is:

1. An organometallic compound represented by Formula 1:
M 1 (Ln 1 ) n1 (Ln 2 ) 3-n1   Formula 1

wherein, in Formulae 1 and 1A,
M 1 is a first-row transition metal of the Periodic Table of Elements, a second-row transition metal of the Periodic Table of Elements, or a third-row transition metal of the Periodic Table of Elements,
Ln 1 is a bidentate ligand,
n1 is 0, 1, or 2,
Ln 2 is a ligand represented by Formula 1A,
A 1 to A 4 are each independently a C 5 -C 30 carbocyclic group or a C 1 -C 30 heterocyclic group,
Y 1 is C or N, and Y 2 is C or N,
L 1 and L 2 are each independently a single bond, *—N(R 1 )—*′, *—O—*′, *—S—*′, *—C(R 1 )(R 2 )—*′, *—Si(R 1 )(R 2 )—*′, *—Se—*′, *—B(R 1 )—*′, *—P(R 1 )—*′, *—Ge(R 1 )(R 2 )—*′, *—C(═O)—*′, *—S(═O)—*′, *—S(═O) 2 —*′, *—C(R 1 )═C(R 2 )—*′, *—C(═S)—*′, or *—C≡C—*′,
k1 and k2 are each independently 0, 1, or 2, wherein at least one of k1 and k2 is not 0,
R 1 , R 2 , R 10 , R 20 , R 30 , and R 40 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, —SF 5 , 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 C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 1 )(Q 2 )(Q 3 ), —Ge(Q 1 )(Q 2 )(Q 3 ), or —B(Q 1 )(Q 2 ),
two or more neighboring groups of R 1 , R 2 , R 10 , R 20 , R 30 , and R 40 are optionally linked together to form a substituted or unsubstituted C 5 -C 30 carbocyclic group or a substituted or unsubstituted C 1 -C 30 heterocyclic group,
b10, b20, b30, and b40 are each independently an integer from 1 to 10,
* and *′ each indicate a binding site to a neighboring atom,
at least one substituent of the substituted C 1 -C 60 alkyl group, the substituted C 2 -C 60 alkenyl group, the substituted C 2 -C 60 alkynyl group, the substituted C 1 -C 60 alkoxy group, the substituted C 3 -C 10 cycloalkyl group, the substituted C 1 -C 10 heterocycloalkyl group, the substituted C 3 -C 10 cycloalkenyl group, the substituted C 1 -C 10 heterocycloalkenyl group, the substituted C 6 -C 60 aryl group, the substituted C 6 -C 60 aryloxy group, the substituted C 6 -C 60 arylthio group, the substituted C 1 -C 60 heteroaryl group, the substituted monovalent non-aromatic condensed polycyclic group, the substituted monovalent non-aromatic condensed heteropolycyclic group, the substituted C 5 -C 30 carbocyclic group, and the substituted C 1 -C 30 heterocyclic group is:
deuterium, —F, —Cl, —Br, —I, —CD 3 , —CD 2 H, —CDH 2 , —CF 3 , —CF 2 H, —CFH 2 , 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 C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, or a C 1 -C 60 alkoxy group;
a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, or a C 1 -C 60 alkoxy group, each substituted with at least one deuterium, —F, —Cl, —Br, —I, —CD 3 , —CD 2 H, —CDH 2 , —CF 3 , —CF 2 H, —CFH 2 , 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 C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 11 )(Q 12 )(Q 13 ), —Ge(Q 11 )(Q 12 )(Q 13 ), —N(Q 14 )(Q 15 ), —B(Q 11 )(Q 12 ), or any combination thereof;
a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, or a monovalent non-aromatic condensed heteropolycyclic group;
a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, or a monovalent non-aromatic condensed heteropolycyclic group, each substituted with at least one deuterium, —F, —Cl, —Br, —I, —CD 3 , —CD 2 H, —CDH 2 , —CF 3 , —CF 2 H, —CFH 2 , 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 C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 21 )(Q 22 )(Q 23 ), —Ge(Q 21 )(Q 22 )(Q 23 ), —N(Q 24 )(Q 25 ), —B(Q 21 )(Q 22 ), or any combination thereof; or
—Si(Q 31 )(Q 32 )(Q 33 ), —Ge(Q 31 )(Q 32 )(Q 33 ), —N(Q 34 )(Q 35 ), or —B(Q 31 )(Q 32 ), and
Q 1 to Q 3 , Q 11 to Q 15 , Q 21 to Q 25 , and Q 31 to Q 35 are each independently 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 or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condens

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kwon Ohyun
• Rai Virendra Kumar
• Park Bumwoo
• Kim Sangdong
• Kim Hyungjun
• Sim Myungsun
• Choi Byoungki

Classifications

• H10K85/342 Primary

  comprising iridium · CPC title

• C07F15/0033 Primary

  Iridium compounds · CPC title

• C09K11/06

  containing organic luminescent materials · CPC title

• C09K2211/1029

  containing one nitrogen atom as the heteroatom · CPC title

• C09K2211/1033

  with oxygen · CPC title