# US 10,246,441 B2 · Aromatic amine derivative, and organic electroluminescent element

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- Number: US 10,246,441 B2
- Document ID: US10246441B2
- Status: Granted
- Kind: B2
- Application number: 13/435,965
- Filed: 2012-03-30
- Published: 2012-11-22
- Granted: 2019-04-02
- Earliest claimed: 2009-10-02
- Assignees: Idemitsu Kosan Co., Ltd.
- Applicants: Tomoki Kato
- Inventors: Tomoki Kato
- Web page: https://patentgrep.com/patent/US10246441B2

## CPC

- C07D 405/14: containing three or more hetero rings
- C07D 209/86: with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
- C09B 57/00: Other synthetic dyes of known constitution
- C09B 57/008: {Triarylamine dyes containing no other chromophores}
- C09K 11/06: containing organic luminescent materials
- H05B 33/14: characterised by the chemical or physical composition or the arrangement of the electroluminescent material {, or by the simultaneous addition of the electroluminescent material in or onto the light source}
- H10K 50/15: Hole transporting layers
- H10K 85/631: {Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine}
- C09K 2211/1007: Non-condensed systems
- C09K 2211/1011: Condensed systems
- C09K 2211/1014: bridged by heteroatoms, e.g. N, P, Si or B
- C09K 2211/1029: containing one nitrogen atom as the heteroatom
- C09K 2211/1044: containing two nitrogen atoms as heteroatoms
- C09K 2211/1088: containing oxygen as the only heteroatom
- H10K 85/6572: {comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole}
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- C09B: ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES {, e.g. PIGMENTS}; MORDANTS; LAKES (fermentation or enzyme using processes to synthesise a desired chemical compound C12P)
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

An aromatic amine derivative including a substituent A and a substituent B each represented by the formula (1) or (2) and having an arylene group bound to a carbazole structure, in which the substituent A and the substituent B include groups different from each other in the position at which the arylene group is bonded to the carbazole structure, and the substituent A and the substituent B are bonded to the same nitrogen atom or different nitrogen atoms in the molecule; an organic electroluminescent device including an organic thin-film layer formed of one or more layers including at least a light emitting layer, the organic thin-film layer being interposed between a cathode and a anode, in which at least one layer of the organic thin-film layer contains the aromatic amine derivative, and the molecules are rarely crystallized.

## Claims

### Claim 1

An organic electroluminescence device, comprising:
a cathode:
an anode; and
an organic thin-film layer interposed between the cathode and the anode, wherein the organic thin-film layer comprises a light emitting layer and at least one selected from the group consisting of a hole transporting layer and a hole injecting layer, and
wherein at least one selected from the group consisting of the hole transporting layer and the hole injecting layer comprises an aromatic amine derivative represented by formula (9):
wherein:
at least one of Ar3 to Ar5 represents the substituent A and at least one of Ar3 to Ar5 represents the substituent B;
a group out of Ar3 to Ar5 except the substituent A and the substituent B represents a substituted or unsubstituted aryl group having 6 to 25 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 25 ring carbon atoms, wherein an optional substituent of the aryl group and the heteroaryl group is a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, a trialkylsilyl group having linear or branched alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having a linear or branched alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms, a halogen atom, or a cyano group:
the substituent A is represented by formula (1);
the substituent B is represented by formula (2);
wherein:
L1 and L2 each represent a substituted or unsubstituted arylene group having 6 to 25 ring carbon atoms, and a substituent which L1 and L2 may have is a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, a trialkylsilyl group having linear or branched alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having a linear or branched alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms, a halogen atom, or a cyano group;
Ar1 represents a substituted or unsubstituted aryl group having 6 to 25 ring carbon atoms, and a substituent which Ar1 may have is selected from the group consisting of a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, a trialkylsilyl group having linear or branched alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having a linear or branched alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms, a halogen atom, and a cyano group;
a represents an integer of 0 to 3, and b, c, and d each independently represent an integer of 0 to 4; and
R1 to R4 each independently represent a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, a trialkylsilyl group having linear or branched alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having a linear or branched alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms, a halogen atom, or a cyano group, and a plurality of R1's to R4's adjacent to each other may be bonded to each other to form a saturated or unsaturated, divalent group that forms a ring.

### Claim 2 (depends on 1)

The organic electroluminescence device according to claim 1, wherein the substituent A has formula (3) or formula (4):
wherein:
L3 is defined the same as L1 and L2;
Ar2 is defined the same as Ar1;
R5 and R6 are defined the same as R1 to R4;
e represents an integer of 0 to 3; and
f represents an integer of 0 to 4.

### Claim 3 (depends on 2)

The organic electroluminescence device according to claim 2, wherein the substituent A has formula (3).

### Claim 4 (depends on 1)

The organic electroluminescence device according to claim 1, wherein L1 and L2 are each independently represented by formula (5):
wherein:
R7 represents a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, a trialkylsilyl group having linear or branched alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having a linear or branched alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms, a halogen atom, or a cyano group, and a plurality of R7's adjacent to each other may be bonded to each other to form a ring;
n and s each independently represent an integer of 0 to 4; and
when n represents 2 to 4, R7's on different benzene rings may be identical to or different from each other, and respective R7's present on benzene rings adjacent to each other may be bonded to each other to form a ring.

### Claim 5 (depends on 1)

The organic electroluminescence device according to claim 1, wherein L1 and L2 are each independently represented by any one of formulae (6) to (8):
wherein:
R8 to R12 each independently represent a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, a trialkylsilyl group having linear or branched alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having a linear or branched alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms, a halogen atom, or a cyano group, and a plurality of R8's to R12's adjacent to each other may be bonded to each other to form a saturated or unsaturated ring;
R13 and R14 each independently represent a linear or branched alkyl group formed of a hydrocarbon having 1 to 15 carbon atoms, or a cycloalkyl group having 3 to 15 ring carbon atoms; and
g, h, and i each independently represent an integer of 0 to 4, and j and k each independently represent an integer of 0 to 3.

### Claim 6 (depends on 1)

The organic electroluminescence device according to claim 1, wherein, in formula (9):
Ar3 represents the substituent A;
Ar4 represents the substituent B; and
Ar5 represents a substituent C represented by formula (1) or formula (2).

### Claim 7 (depends on 6)

The organic electroluminescence device according to claim 6, wherein in the formula (9), the substituent A, the substituent B, and the substituent C are different from one another in the position at which the L1 in the formula (1) or the L2 in the formula (2) is bonded to the carbazole structure.

### Claim 8 (depends on 1)

The organic electroluminescence device according to claim 1, wherein, in formula (9):
Ar3 represents the substituent A;
Ar4 represents the substituent B; and
Ar5 represents a substituent C represented by formula (14):
wherein:
R15 and R16 each represent a halogen atom, a linear or branched alkyl group having 1 to 15 carbon atoms, or an aryl group having 6 to 25 ring carbon atoms, wherein R15 and R16 may be bonded to each other to form a ring; and
n′ represents an integer of 0 to 3, t represents an integer of 0 to 4, and u represents an integer of 0 to 5.

### Claim 9 (depends on 1)

The organic electroluminescence device according to claim 1, wherein in formula (9):
Ar3 represents the substituent A;
Ar4 represents the substituent B; and
Ar5 represents a substituent C represented by formula (15):
wherein:
X represents an oxygen atom or a sulfur atom;
R17, R18, and R19 each independently represent a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms, a trialkylsilyl group having alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having an alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, a halogen atom, or a cyano group, and a plurality of R18's or R19's adjacent to each other, or R18 and R19 may be bonded to each other to m a ring;
m represents 0; and
q represents an integer of 0 to 3, and r and p each independently represent an integer of 0 to 4.

### Claim 10 (depends on 9)

The organic electroluminescence device according to claim 9, wherein the substituent C is represented by formula (16):
wherein X, R17 to R19, m, p, q, and r are the same as those of the formula (15).

### Claim 11 (depends on 1)

The organic electroluminescence device according to claim 1, wherein the light emitting layer comprises a styrylamine compound and/or an arylamine compound.

### Claim 12 (depends on 1)

The organic electroluminescence device according to claim 1, further comprising an electron transporting layer comprising a nitrogen-containing heterocyclic derivative represented by any one of the formulae (21) to (23):
wherein, in the formulae (21) to (23):
Z1, Z2, and Z3 each independently represent a nitrogen atom or a carbon atom;
R12, R21 and R22 each independently represent a substituted or unsubstituted aryl group having 6 to 50 carbon atoms, a substituted or unsubstituted heteroaryl group having 3 to 50 carbon atoms, an alkyl group having 1 to 20 carbon atoms, an alkyl group having 1 to 20 carbon atoms and substituted with a halogen atom, or an alkoxy group having 1 to 20 carbon atoms;
v represents an integer of 0 to 5, and when v represents an integer of 2 or more, a plurality of R21's may be identical to or different from each other, and a plurality of R21's adjacent to each other may be bonded to each other to form a substituted or unsubstituted aromatic hydrocarbon ring;
Ar21 represents a substituted or unsubstituted aryl group having 6 to 50 carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 50 carbon atoms;
Ar22 represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkyl group having 1 to 20 carbon atoms and substituted with a halogen atom, an alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 50 carbon atoms,
provided that one of Ar21 and Ar22 represents a substituted or unsubstituted fused ring group having 10 to 50 carbon atoms, or a substituted or unsubstituted heterofused ring group having 9 to 50 ring atoms;
Ar23 represents a substituted or unsubstituted arylene group having 6 to 50 carbon atoms, or a substituted or unsubstituted heteroarylene group having 3 to 50 carbon atoms; and
L21, L22, and L23 each independently represent a single bond, a substituted or unsubstituted arylene group having 6 to 50 carbon atoms, a substituted or unsubstituted heterofused ring group having 9 to 50 ring atoms, or a substituted or unsubstituted fluorenylene group.

### Claim 13 (depends on 1)

The organic electroluminescence device according to claim 1, further comprising a layer containing an acceptor material that is joined to the hole transporting layer and/or the hole injecting layer.

### Claim 14 (depends on 13)

The organic electroluminescence device according to claim 13, wherein the acceptor material has formula (A):
wherein, in the formula (A):
R111 to R116 each independently represent a cyano group, —CONH2, a carboxyl group, or —COOR117 where R117 represents an alkyl group having 1 to 20 carbon atoms, or
R111 and R112, R113 and R114, or R115 and R116 are bonded to each other to represent a group represented by —CO—O—CO—.

### Claim 15 (depends on 1)

The organic electroluminescence device according to claim 1, wherein, in formula (2), c and d are both 0.

### Claim 16 (depends on 12)

The organic electroluminescence device according to claim 12, wherein R12 is a phenyl group.

### Claim 17 (depends on 2)

The organic electroluminescence device according to claim 2, wherein L3 is represented by formula (5)
wherein:
R7 represents a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, a trialkylsilyl group having linear or branched alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having a linear or branched alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms, a halogen atom, or a cyano group, and a plurality of R7's adjacent to each other may be bonded to each other to form a ring;
n and s each independently represent an integer of 0 to 4;
when n represents 2 to 4, R7's on different benzene rings may be identical to or different from each other, and respective R7's present on benzene rings adjacent to each other may be bonded to each other to form a ring.

### Claim 18 (depends on 2)

The organic electroluminescence device according to claim 2, wherein L3 is represented by any one of formulae (6) to (8):
wherein:
R8 to R12 each independently represent a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, a trialkylsilyl group having linear or branched alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having a linear or branched alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms, a halogen atom, or a cyano group, and a plurality of R8's to R12's adjacent to each other may be bonded to each other to form a saturated or unsaturated ring;
R13 and R14 each independently represent a linear or branched alkyl group formed of a hydrocarbon having 1 to 15 carbon atoms, or a cycloalkyl group having 3 to 15 ring carbon atoms; and
g, h, and i each independently represent an integer of 0 to 4, and j and k each independently represent an integer of 0 to 3.

### Claim 19 (depends on 1)

The organic electroluminescence device according to claim 1, wherein the substituted or unsubstituted aryl group of Ar1, the aryl group having 6 to 25 ring carbon atoms as the substituent of Ar1, the aryl group having 6 to 25 ring carbon atoms as R1 to R4, and the aryl group having 6 to 25 ring carbon atoms as the substituent of L1 and L2 are not a fluorenyl group or a 9,9-dimethylfluorenyl group, and
wherein the substituted or unsubstituted arylene group having 6 to 25 ring carbon atoms of L1 and the substituted or unsubstituted arylene group haying 6 to 25 ring carbon atoms of L2 are not a fluorenylene group or a 9,9-dimethylfluorenylene group.

### Claim 20 (depends on 2)

The organic electroluminescence device according to claim 2, wherein the substituted or unsubstituted aryl group of Ar2, the aryl group having 6 to 25 ring carbon atoms as the substituent of Ar2, the aryl group having 6 to 25 ring carbon atoms as R5 to R6, and the aryl group having 6 to 25 ring carbon atoms as the substituent of L3 are not a fluorenyl group or a 9,9-dimethyffluorenyl group, and
wherein the substituted or unsubstituted arylene group having 6 to 25 ring carbon atoms of L3 is not a fluorenylene group or a 9,9-dimethylfluorenylene group.

### Claim 21 (depends on 19)

The organic electroluminescence device according to claim 19,
wherein a group out of Ar3 to Ar5 except the substituent A and the substituent B is a substituted or unsubstituted aryl group having 6 to 25 ring carbon atoms excluding a fluorenyl group and a 9,9-dimethyffluorenyl group, or a substituted or unsubstituted heteroaryl group having 5 to 25 ring carbon atoms selected from the group consisting of pyrrolyl group, a pyrazinyl group, a pyridinyl group, an indolyl group, an isoindolyl group, a furyl group, a benzofuranyl group, an isobenzofuranyl group, a quinolyl group, an isoquinolyl group, a quinoxalinyl group, a carbazolyl group, a phenanthridinyl group, an acridinyl group, a phenadinyl group, a phenothiadinyl group, a phenoxazinyl group, an oxazolyl group, an oxadiazolyl group, a furazanyl group, a thienyl group, a 2-methylpyrrol-1-yl group, a 2-methylpyrrol-3-yl group, a 2-methylpyrrol-4-yl group, a 2-methylpyrrol-5-yl group, a 3-methylpyrrol-1-yl group, a 3-methylpyrrol-2-yl group, a 3-methylpyrrol-4-yl group, a 3-methylpyrrol-5-yl group, a 2-t-butylpyrrol-4-yl group, a 3-(2-phenylpropyl)pyrrol-1-yl group, a 2-methyl-1-indolyl group, a 4-methyl-1-indolyl group, a 2-methyl-3-indolyl group, a 4-methyl-3-indolyl group, a 2-t-butyl-1-indolyl group, a 4-t-butyl-1-indolyl group, a 2-t-butyl-3-indolyl group, a 4-t-butyl-3-indolyl group, a thiophenyl group, a 1-phenylthiophenyl group, a 1,4-diphenylthiophenyl group, a benzothiophenyl group, a 1-phenylbenzothiophenyl group, a 1-phenyldibenzothiophenyl group, a dibenzofuranyl group, a 1-phenyldibenzofuranyl group, and a benzothiazolyl group;
a substituent which Ar3 to Ar5 may have is selected from the group consisting of a linear or branched alkyl group having 1 to 15 carbon atoms, a cycloalkyl group having 3 to 15 ring carbon atoms, a trialkylsilyl group having linear or branched alkyl groups each having 1 to 15 carbon atoms, a triarylsilyl group having aryl groups each having 6 to 25 ring carbon atoms, an alkylarylsilyl group having a linear or branched alkyl group having 1 to 15 carbon atoms and an aryl group having 6 to 25 ring carbon atoms, an aryl group having 6 to 25 ring carbon atoms excluding a fluorenyl group and a 9,9-dimethylfluorenyl group, a halogen atom, and a cyano group.

### Claim 22 (depends on 1)

The organic electroluminescence device according to claim 1, wherein, in formula (9):
Ar3 represents the substituent A;
Ar4 represents the substituent B; and
Ar5 represents a substituent C represented by formula (14):
wherein:
R15 and R16 each represent a halogen atom, a linear or branched alkyl group having 1 to 15 carbon atoms, or an aryl group having 6 to 25 ring carbon atoms excluding a fluorenylene group and a 9,9-dimethylfluorenyl group, wherein R15 and R16 may be bonded to each other to form a ring; and
n′ represents an integer of 0 to 3, t represents an integer of 0 to 4, and u represents an integer of 0 to 5.

### Claim 23 (depends on 1)

The organic electroluminescence device according to claim 1, wherein:
the substituent A is represented by formula (3) or (4):
wherein:
R5 and R6 each independently represent a linear or branched alkyl group having 1 to 6 carbon atoms;
e represents an integer of 0 to 3;
f represents an integer of 0 to 4;
Ar2 represents a substituted or unsubstituted phenyl group, wherein an optional substituent of the phenyl group is a linear or branched alkyl group having 1 to 6 carbon atoms; and
L3 is represented by any one of formulae (6) to (8):
wherein:
R8 to R12 each independently represent a linear or branched alkyl group having 1 to 6 carbon atoms;
R13 and R14 each independently represent a linear or branched alkyl group formed of a hydrocarbon having 1 to 6 carbon atoms, and
g, h, and i each independently represent an integer of 0 to 4, and j and k each independently represent an integer of 0 to 3;
the substituent B is represented by formula (2):
wherein:
R3 and R4 each independently represent a linear or branched alkyl group having 1 to 6 carbon atoms;
c and d each independently represent an integer of 0 to 4;
L2 is represented by any one of formulae (6) to (8):
wherein R8 to R12, R13, R14, g, h, i, j, and k are as defined above; and
the group out of Ar3 to Ar5 except the substituent A and the substituent B represents a substituted or unsubstituted aryl group having 6 to 14 ring carbon atoms, wherein an optional substituent of the aryl group is a linear or branched alkyl group having 1 to 6 carbon atoms, or a group represented by formula (15):
wherein:
X represents an oxygen atom or a sulfur atom;
R17, R18, and R19 each independently represent a linear or branched alkyl group having 1 to 15 carbon atoms;
m represents 0; and
q represents an integer of 0 to 3, and r and p each independently represent an integer of 0 to 4.

### Claim 24 (depends on 23)

The organic electroluminescence device according to claim 23, wherein the group out of Ar3 to Ar5 except the substituent A and the substituent B represents a substituted or unsubstituted aryl group having 6 to 14 ring carbon atoms, wherein an optional substituent of the aryl group is a linear or branched alkyl group having 1 to 6 carbon atoms.

### Claim 25 (depends on 1)

The organic electroluminescence device according to claim 1, wherein:
the substituent A is represented by formula (3):
wherein:
R5 and R6 each independently represent a methyl group, an ethyl group, a propyl group or an isopropyl group;
e represents an integer of 0 to 3;
f represents an integer of 0 to 4;
Ar2 represents a substituted or unsubstituted phenyl group; and
L3 is represented by any one of formulae (6) or (7):
wherein:
R8 to R10 each independently represent a methyl group, an ethyl group, a propyl group or an isopropyl group; and
g, h, and i each independently represent an integer of 0 to 4;
the substituent B is represented by formula (2):
wherein:
R3 and R4 each independently represent a methyl group, an ethyl group, a propyl group or an isopropyl group;
c and d each independently represent an integer of 0 to 4;
L2 is represented by formula (6) or (7):
wherein R8 to R10, g, h, and i are as defined above; and
the group out of Ar3 to Ar5 except the substituent A and the substituent B represents a group represented by formula (14):
wherein:
R15 and R16 each independently represent a methyl group, an ethyl group, a propyl group or an isopropyl group; and
n′ represents an integer of 0 to 2, t represents an integer of 0 to 4, and u represents an integer of 0 to 5.

### Claim 26 (depends on 1)

The organic electroluminescence device according to claim 1, wherein:
Ar3 is the substituent A represented by formula (3):
wherein:
e is 0;
f is 0;
Ar2 represents an unsubstituted phenyl group; and
L3 is represented by formula (6) or (7):
wherein g, h, and i each represent 0;
Ar4 is the substituent B represented by formula (2):
wherein:
c and d each represent 0;
L2 is represented by formula (6) or (7):
wherein g, h, and i each represent 0; and
the group out of Ar3 to Ar5 except the substituent A and the substituent B represents a group represented by formula (14):
wherein n′ represents an integer of 0 to 2, t represents 0, and u represents 0.

### Claim 27 (depends on 26)

The organic electroluminescence device according to claim 26, wherein L2 and L3 are each independently represented by formula (6).