US 2018/0026203 A1Published application

Compound, material for organic electroluminescent element, ink composition, organic electroluminescent element, and electronic device

AssigneeIdemitsu Kosan Co., Ltd.

InventorsKiyoshi IKEDA, Hironori KAWAKAMI

Life of this patent

Estimating the term…

Abstract

Organic EL devices with improved performance and electronic devices including the organic EL devices are provided, and compounds represented by formula (1), materials for organic electroluminescence devices, ink compositions which realize the organic EL devices are provided:

Claims23

Dependent claims

A compound represented by formula (1):
wherein:
two R1's are single bonds which are respectively bonded to two asterisks * of formula (b), or two R1's are bonded to each other to form a 5-membered ring, a 6-membered ring, or a fused ring, wherein two adjacent ring carbon atoms of the 5-membered ring, the 6-membered ring, or the fused ring are respectively bonded to two asterisks * of formula (b);
an unshared ring atom of the 5-membered ring is selected from a carbon atom, an oxygen atom, and a sulfur atom, wherein the carbon atom has two R's;
when the 6-membered ring is a non-aromatic ring, an unshared ring atom of the non-aromatic ring is selected from a carbon atom, an oxygen atom, and a sulfur atom, wherein the carbon atom has two R's;
when the 6-membered ring is an aromatic ring, an unshared ring atom of the aromatic ring is selected from a carbon atom and a nitrogen atom, and the carbon atom has one R;
when the fused ring comprises a non-aromatic ring, an unshared ring atom of the non-aromatic ring is selected from a carbon atom, an oxygen atom, and a sulfur atom, wherein the carbon atom has two R's;
when the fused ring comprises an aromatic ring, an unshared ring atom of the aromatic ring is selected from a carbon atom and a nitrogen atom, and the carbon atom has one R;
each of R's is independently a hydrogen atom, a substituent, or a single bond bonded to *1-L-Dn0, and neighboring or adjacent two R's may be bonded to each other to form a ring which may have one or more substituents R, provided that at least one of R's in formula (1) is a single bond bonded to *1-L-Dn0;
each of L's is independently a single bond or a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms, when L is a single bond n0 is 1, and when L is a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms n0 is an integer of 1 to 10;
D is a monovalent residue of a structure represented by formula (2) which comprises at least one carbazole structure:
wherein:
a dotted line means that two carbon atoms at both ends thereof are bonded to each other via a single bond or the two carbon atoms are not bonded;
each of L1 and L2 is independently a single bond or a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms;
each of Ar1 and Ar2 is independently a substituted or unsubstituted monovalent residue of an aromatic hydrocarbon ring having 6 to 60 ring carbon atoms;
each of n1 and n2 is independently an integer of 0 to 4;
formula (d) bonds to adjacent two ring carbon atoms of at least one ring selected from two benzene rings bonded to N* and the aromatic hydrocarbon rings represented by Ar1 and Ar2, provided that when formula (d) is bonded to the aromatic hydrocarbon ring represented by Ar1 or Ar2, each of Ar1 and Ar2 represents a monovalent residue of a structure formed by the aromatic hydrocarbon ring and formula (d) which are bonded to each other;
X is O, S, PR15, SiR16R17, CR18R19, or NR20, and when two or more formulae (d) are bonded, two or more X's may be the same or different;
each of R11 to R20 is independently a hydrogen atom or a substituent;
and
each of a1, a2, and a3 is independently an integer of 0 to 4.

18 more elements

Facts

Application: 15/550,678Filed 12 Feb 2016
Priority: JP 2015-02685413 Feb 2015
Published: 25 Jan 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification21 codes

C07D 403/14
Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group…
C07D 405/14
Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having…:…
C07D 491/048
With only one oxygen atom as ring hetero atom in the oxygen-containing ring: the oxygen-containing ring being five-membered
C09D 11/50
Inks: sympathetic, colour changing or similar inks

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Abstract

A compound represented by formula (1):
wherein:
two R1's are single bonds which are respectively bonded to two asterisks * of formula (b), or two R1's are bonded to each other to form a 5-membered ring, a 6-membered ring, or a fused ring, wherein two adjacent ring carbon atoms of the 5-membered ring, the 6-membered ring, or the fused ring are respectively bonded to two asterisks * of formula (b);
an unshared ring atom of the 5-membered ring is selected from a carbon atom, an oxygen atom, and a sulfur atom, wherein the carbon atom has two R's;
when the 6-membered ring is a non-aromatic ring, an unshared ring atom of the non-aromatic ring is selected from a carbon atom, an oxygen atom, and a sulfur atom, wherein the carbon atom has two R's;
when the 6-membered ring is an aromatic ring, an unshared ring atom of the aromatic ring is selected from a carbon atom and a nitrogen atom, and the carbon atom has one R;
when the fused ring comprises a non-aromatic ring, an unshared ring atom of the non-aromatic ring is selected from a carbon atom, an oxygen atom, and a sulfur atom, wherein the carbon atom has two R's;
when the fused ring comprises an aromatic ring, an unshared ring atom of the aromatic ring is selected from a carbon atom and a nitrogen atom, and the carbon atom has one R;
each of R's is independently a hydrogen atom, a substituent, or a single bond bonded to *1-L-Dn0, and neighboring or adjacent two R's may be bonded to each other to form a ring which may have one or more substituents R, provided that at least one of R's in formula (1) is a single bond bonded to *1-L-Dn0;
each of L's is independently a single bond or a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms, when L is a single bond n0 is 1, and when L is a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms n0 is an integer of 1 to 10;
D is a monovalent residue of a structure represented by formula (2) which comprises at least one carbazole structure:
wherein:
a dotted line means that two carbon atoms at both ends thereof are bonded to each other via a single bond or the two carbon atoms are not bonded;
each of L1 and L2 is independently a single bond or a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms;
each of Ar1 and Ar2 is independently a substituted or unsubstituted monovalent residue of an aromatic hydrocarbon ring having 6 to 60 ring carbon atoms;
each of n1 and n2 is independently an integer of 0 to 4;
formula (d) bonds to adjacent two ring carbon atoms of at least one ring selected from two benzene rings bonded to N* and the aromatic hydrocarbon rings represented by Ar1 and Ar2, provided that when formula (d) is bonded to the aromatic hydrocarbon ring represented by Ar1 or Ar2, each of Ar1 and Ar2 represents a monovalent residue of a structure formed by the aromatic hydrocarbon ring and formula (d) which are bonded to each other;
X is O, S, PR15, SiR16R17, CR18R19, or NR20, and when two or more formulae (d) are bonded, two or more X's may be the same or different;
each of R11 to R20 is independently a hydrogen atom or a substituent;
and
each of a1, a2, and a3 is independently an integer of 0 to 4.

18 more elements

Facts

Application

15/550,678Filed 12 Feb 2016

Priority

JP 2015-02685413 Feb 2015

Published

25 Jan 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification21 codes

C07D 403/14
Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group…
C07D 405/14
Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having…:…
C07D 491/048
With only one oxygen atom as ring hetero atom in the oxygen-containing ring: the oxygen-containing ring being five-membered
C09D 11/50
Inks: sympathetic, colour changing or similar inks