WO2014015935A2 - Verbindungen und organische elektronische vorrichtungen - Google Patents

Verbindungen und organische elektronische vorrichtungen Download PDF

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Publication number
WO2014015935A2
WO2014015935A2 PCT/EP2013/001889 EP2013001889W WO2014015935A2 WO 2014015935 A2 WO2014015935 A2 WO 2014015935A2 EP 2013001889 W EP2013001889 W EP 2013001889W WO 2014015935 A2 WO2014015935 A2 WO 2014015935A2
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WO
WIPO (PCT)
Prior art keywords
group
aromatic
substituted
atoms
radicals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2013/001889
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German (de)
English (en)
French (fr)
Other versions
WO2014015935A3 (de
Inventor
Teresa Mujica-Fernaud
Elvira Montenegro
Amir Hossain Parham
Arne Buesing
Frank Voges
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Merck Patent GmbH
Original Assignee
Merck Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to KR1020207025671A priority Critical patent/KR102268222B1/ko
Priority to EP18183320.3A priority patent/EP3424907B1/de
Priority to KR1020247026943A priority patent/KR20240130142A/ko
Priority to KR1020157035553A priority patent/KR101703016B1/ko
Priority to CN201380039289.1A priority patent/CN104603111A/zh
Priority to KR1020217043044A priority patent/KR102696532B1/ko
Priority to KR1020157004044A priority patent/KR102155492B1/ko
Priority to KR1020217018641A priority patent/KR20210076207A/ko
Priority to JP2015523434A priority patent/JP6219388B2/ja
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Priority to EP13734657.3A priority patent/EP2875004B1/de
Priority to US14/416,729 priority patent/US9882142B2/en
Publication of WO2014015935A2 publication Critical patent/WO2014015935A2/de
Publication of WO2014015935A3 publication Critical patent/WO2014015935A3/de
Anticipated expiration legal-status Critical
Priority to US15/833,506 priority patent/US10944058B2/en
Priority to US17/155,565 priority patent/US11641775B2/en
Priority to US18/111,660 priority patent/US11997922B2/en
Ceased legal-status Critical Current

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Definitions

  • the present invention relates to new organic compounds, the use of compound in an electronic device, and an electronic device containing at least one of the compounds fertilize. Furthermore, the present invention relates to a process for the preparation of the compounds and compositions and formulations containing at least one of the compounds.
  • the development of functional compounds for use in electronic devices is currently the subject of intense research.
  • the aim in particular is the development of compounds with which improved properties of the electroluminescent devices can be achieved in one or more relevant points, such as, for example, power efficiency, service life or color coordinates of the emitted light.
  • electronic device includes, among others, organic integrated circuits (OICs), organic field effect transistors (OFETs), organic thin film transistors (OTFTs), organic light emitting transistors
  • OICs organic integrated circuits
  • OFETs organic field effect transistors
  • OFTs organic thin film transistors
  • OLEDs organic light emitting transistors
  • OLETs organic solar cells
  • OSCs organic optical detectors
  • OFQDs organic field quench devices
  • OLEDs organic light-emitting electrochemical cells
  • O-lasers organic laser diodes
  • OEDs organic electroluminescent devices
  • OLEDs organic light-emitting diode
  • the general structure as well as the functional principle of OLEDs is well known to the person skilled in the art and inter alia in
  • Devices have a high thermal stability and a high glass transition temperature and can sublime undecomposed.
  • Layer thickness of the hole transport layer In practice, a higher layer thickness of the hole transport layer would often be desirable, but this often results in a higher operating voltage and inferior performance data. In this context, there is a need for new hole transport materials that have a high charge carrier mobility, so that thicker hole transport layers can be realized with only a slight increase in the operating voltage.
  • WO 2010/110553 discloses substituted fluorene with amino groups in position 2, 3 or 4, wherein the amine groups contain carbazole groups.
  • JP 05303221 discloses fluorenes which may be substituted in position 2 or 4 with an amine group.
  • the compounds with the amine group in position 4 of the fluorene contain phenyl radicals.
  • the object of the present invention is thus to provide electroluminescent devices and compounds which are suitable for use in electroluminescent devices, such as, for example, in fluorescent or phosphorescent OLEDs and which in particular can be used as hole transport materials and / or as hole injection materials in a hole transport or Excitement blocking layer or can be used as a matrix material in eienr emitting layer.
  • the invention thus provides a compound of the general formula (1)
  • R 4 may be substituted, or an aralkyl group having 5 to 60 aromatic ring atoms, each of which may be substituted by one or more radicals R 4 , wherein the two radicals R 1 may be linked together and form a ring, so that a spiro compound arises in position 9 of the fluorine, with spirobifluorenes excluded;
  • Heteroaryloxy devis having 5 to 30 aromatic ring atoms, which may be substituted by one or more radicals R 5 ; is selected from the group consisting of H, D, F, an aliphatic hydrocarbon radical having 1 to 20 carbon atoms or an aromatic or heteroaromatic ring system having 5 to 30 carbon atoms, in which one or more H atoms replaced by D or F. where two or more adjacent substituents R 5 together are a mono- or polycyclic,
  • B ' is a single bond, an aryl group having 6 to 30 ring atoms or a mono- or bicyclic heteroaryl group having 5 to 30 ring atoms, each of which may be substituted by one or more R 4 , preferably a single bond or a phenylene, biphenylene, Terphenylene, naphthylene, pyridinylene, pyrimidinylene,
  • the counting method at the Fluoren is defined as follows.
  • An aryl group in the sense of this invention contains 6 to 60 aromatic ring atoms;
  • a heteroaryl group contains 5 to 60 aromatic ring atoms, at least one of which represents a heteroatom.
  • the heteroatoms are preferably selected from N, O and S. This is the basic definition. In the description of the present invention, other preferences are given, for example with respect to the number of aromatic ring atoms or
  • an aryl group or heteroaryl group is either a simple aromatic cycle, ie benzene, or a simple heteroaromatic cycle, for example pyridine, pyrimidine or thiophene, or a fused (fused) aromatic or heteroaromatic polycycle, for example naphthalene, phenanthrene, quinoline or
  • a condensed (fused) aromatic or heteroaromatic polycycle is within the meaning of the present invention
  • An aryl or heteroaryl group which may be substituted in each case by the abovementioned radicals and which may be linked via any position on the aromatic or heteroaromatic compounds is understood in particular to mean groups which are derived from benzene, naphthalene, anthracene, phenanthrene, pyrene, Dihydropyrenes, chrysene, perylene, fluoranthene, benzanthracene, benzphenanthrene, tetracene, pentacene, benzpyrene, furan, benzofuran, isobenzofuran, dibenzofuran, thiophene, Benzothiophene, isobenzothiophene, dibenzothiophene, pyrrole, indole,
  • the invention will be understood to mean an aryl group as defined above which is attached via an oxygen atom.
  • An analogous definition applies to heteroaryloxy groups.
  • An aromatic ring system in the sense of this invention contains 6 to 60 carbon atoms in the ring system.
  • a heteroaromatic ring system in the context of this invention contains 5 to 60 aromatic ring atoms, at least one of which represents a heteroatom.
  • the heteroatoms are preferably selected from N, O and / or S.
  • An aromatic or heteroaromatic ring system in the sense of this invention is to be understood as meaning a system which does not necessarily contain only aryl or heteroaryl groups but in which also several aryl or heteroaryl groups a non-aromatic moiety (preferably less than 10% of the atoms other than H), such as e.g. B.
  • an sp 3 - hybridized C, Si, N or O atom, an sp 2 -hybridized C or N atom or a sp-hybridized carbon atom may be connected.
  • systems such as 9,9'-spirobifluorene, 9,9'-diarylfluorene, triarylamine, diaryl ethers, stilbene, etc. are to be understood as aromatic ring systems in the context of this invention, and also systems in which two or more aryl groups, for example by a linear or cyclic alkyl, alkenyl or alkynyl group or by a silyl group.
  • systems in which two or more aryl or heteroaryl groups are linked together via single bonds are understood as aromatic or heteroaromatic ring systems in the context of this invention, such as systems such as biphenyl, terphenyl or diphenyltriazine.
  • An aromatic or heteroaromatic ring system having 5-60 aromatic ring atoms, which may be substituted in each case by radicals as defined above and which may be linked via any position on the aromatic or heteroaromatic compounds, is understood in particular to mean groups derived from benzene, naphthalene .
  • alkoxy or thioalkyl group having 1 to 40 carbon atoms methoxy, trifluoromethoxy, ethoxy, n-propoxy, i-propoxy, n-butoxy, i-butoxy, s-butoxy, t-butoxy, n-pentoxy are preferred , s-pentoxy, 2-methylbutoxy, n-hexoxy, cyclohexyloxy, n-heptoxy, cycloheptyloxy, n-octyloxy, cyclooctyloxy, 2-ethylhexyloxy, pentafluoroethoxy, 2,2,2-trifluoroethoxy, methylthio, ethylthio, n -propylthio, i -Propylthio, n-butylthio, i-butylthio, s-butylthio, t-butylthio, n-p
  • B 'in the compound of formula (1) is a
  • B 'in the compound of formula (1) is an o-phenylene, m-phenylene or p-phenylene group, a 1, 4-naphthylene, 2,4-naphthylene, 1, 5 Naphthylene or 2,5-naphthylene group, a 3,7-dibenzofuranylene group or a 3,7-dibenzothiophenylene group, and it is most preferred that B 'is an o-phenylene, m-phenylene or p-phenylene group, and most preferably when B 'is a p-phenylene group, the groups having one or more radicals R 4 may be the same or different at each occurrence, it being preferred if the groups are unsubstituted.
  • a compound of the general formula (1) or (2) characterized in that R is the same or different, preferably equal, a straight-chain alkyl or alkoxy group having 1 to 20 carbon atoms or a branched or cyclic alkyl at each occurrence - or ⁇ alkoxy group having 3 to 20 carbon atoms, wherein the above
  • Groups each having one or more radicals R 4 may be substituted or an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms, each of which may be substituted by one or more radicals R 4 , or an aryloxy having 5 to 60 ⁇ aromatic ring atoms, the with one or more radicals R 4
  • spiro compound in position 90 of Fluorens arises, with spirobifluorenes excluded.
  • a compound of the general formula (1) or (2) is characterized in that R 1 is identical or different, preferably equal, a straight-chain alkyl group with 1 to 205 C atoms or a branched or cyclic alkyl group with each occurrence 3 to 20 C Atoms, wherein the abovementioned groups may each be substituted by one or more radicals R 4 or an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms, which may each be substituted by one or more radicals R 4 , where the two radicals R may be linked together and form a ring to form a spiro compound in position 9 of the fluorene, excluding spirobifluorenes.
  • R 1 on each occurrence equals a straight-chain alkyl group having 1 to 20 C atoms or a branched or cyclic alkyl group having 3 to 20 C atoms.
  • Is atoms, where the abovementioned groups can each be substituted by one or more radicals R 4 , with particular preference being given to R 1 being a methyl, ethyl, n-i-propyl or n- / i- / t Is butyl group.
  • a compound of the general formula (1) or (2) is furthermore very particularly preferably characterized in that R 1 is an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms, in each case by one or more radicals R 4 may be substituted, wherein the ring system is particularly preferably selected from the group consisting of a phenyl, biphenyl, terphenyl or pyridyl group.
  • R 2 is the same or different, preferably the same, selected from H, D, F, Cl, Br, I, N (R 5 ) 2, a straight-chain alkyl, alkoxyl group having 1 to 20 C atoms or a branched or cyclic alkyl, alkoxy group having 3 to 20 C atoms or an alkenyl or alkynyl group having 2 to 20 C atoms, wherein the above each group may be substituted by one or more radicals R 4 and wherein one or more H atoms in the abovementioned groups may be replaced by D, F, Cl, Br, I, CN or NO 2, or an aromatic or heteroaromatic ring system with 6 to 30 aromatic ring atoms, each of which may be substituted by one or more radicals R 4 , or an aryloxy group having 5 to 60 aromatic ring atoms, which may be substituted by one or more radicals R 4 , or an aralky
  • R 2 is the same or different, preferably the same, selected from H, D, F, Cl, Br, I, N R 5 ) 2 , a straight-chain alkyl group having 1 to 20 C atoms or a branched or cyclic alkyl group having 3 to 20 C atoms, where the abovementioned groups may each be substituted by one or more radicals R 4 and wherein one or more H atoms in the abovementioned groups can be replaced by D, F, Cl, Br, I, CN or NO 2 , or an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms, each substituted by one or more radicals R 4 can be.
  • the present invention relates to a compound of the general formula (1) which is characterized in that R 2 is H.
  • the present invention relates to a compound of the general formula (1) which is characterized in that R 2 is a straight-chain alkyl group having 1 to 20 C atoms or a branched or cyclic alkyl group having 3 to 20 C atoms. Atoms is.
  • the present invention relates to a compound of the general formula which is characterized in that R 2 represents an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms.
  • a compound of general formula (1) or (2) characterized in that R 3 is the same or different at each occurrence selected from H, D, F, Cl, Br, I, N (R 5 ) 2 , a straight-chain Alkyl or alkoxy group having 1 to 20 carbon atoms or a branched or cyclic alkyl or alkoxy group having 3 to 20 carbon atoms, where the abovementioned groups may each be substituted by one or more radicals R 4 and wherein one or more H Atoms in the abovementioned groups can be replaced by D, F, Cl, Br, I, CN or N0 2 , or an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms, each being substituted by one or more radicals R 4 may, or an aryloxy group having 5 to 60 aromatic ring atoms, which may be substituted by one or more radicals R 4 , or an aralkyl group having 5 to 60 aromatic ring atoms, each of which may be substituted
  • the present invention relates to a compound of general formula (3)
  • the present invention relates to a compound of the general formula (4)
  • the group Ar 1 or the group Ar 2 does not have oxygen bridging, for example
  • the present invention relates to a compound of the general formula (5)
  • the present invention relates to a compound of the general formula (6)
  • present invention relates to a compound of general formula (7)
  • the present invention relates to a compound of general formula (8)
  • the present invention relates to a compound of the general formula (9)
  • the present invention relates to a compound of general formula (10)
  • the present invention relates to a compound of general formula (11)
  • present invention relates to a compound of general formula (12)
  • the present invention relates to a compound of general formula (13)
  • the present invention relates to a compound of general formula (14)
  • Occurs preferably selected from a phenyl-pyridyl, phenyl-naphthyl, biphenyl, terphenyl or Quarterphenyl distr, which may be substituted with one or more radicals R 6 , which may be identical or different from each other, wherein two of the aromatic or heteroaromatic rings in Ar 1 may be bridged by a bivalent group -O-, -S- or -Si (R 6 ) 2 - or two of the aromatic or heteroaromatic rings in Ar 2 may be bridged by a bivalent group -O-, -S- or - Si (R 6 ) 2- may be bridged with unbridged rings being preferred, and wherein an aromatic or heteroaromatic ring of Ar 1 having an aromatic or heteroaromatic ring of Ar 2 is represented by a bivalent group -O-, -S-, -Si (R 6 ) 2 -, -NR 6 - or -C (R 6 ) 2 -
  • Ar 1 and Ar 2 are selected from the following groups of formulas (37) to (116) which may be substituted with one or more R 6 radicals.
  • the present invention relates to a compound of general formula (6), wherein for the symbols used,
  • R 4 is H, a straight-chain alkyl group having 1 to 20 C atoms or a branched or cyclic alkyl group having 3 to 20 C atoms, where the groups may be substituted by one or more R 4 , an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms which may be substituted by one or more radicals R 4 ;
  • H, D, F, Cl, Br, I a straight-chain alkyl or alkoxy group having 1 to 20 carbon atoms or a branched or cyclic alkyl or alkoxy group having 3 to 20 carbon atoms, wherein the above-mentioned groups each may be substituted with one or more radicals R 4 and wherein one or more H atoms in the abovementioned groups may be replaced by D, F, Cl, Br, I, CN or NO 2 , or an aromatic or heteroaromatic
  • Ring system having 6 to 30 aromatic ring atoms, each of which may be substituted by one or more radicals R 4 , or an aryloxy group having 5 to 60 aromatic ring atoms, which may be substituted by one or more radicals R 4 , or an aralkyl group with 5 to 60 aromatic ring atoms, each of which may be substituted by one or more radicals R 4 , where two or more radicals R 3 may be linked together and form a ring;
  • a phenyl-pyridyl, phenyl-naphthyl, biphenyl, terphenyl or quadriphenyl group which may be substituted with one or more R 6 radicals which may be the same or different from each other, wherein two of the aromatic or heteroaromatic rings in Ar 1 may be bridged by a divalent group -O-, -S- or -Si (R 6 ) 2- or two of the aromatic or heteroaromatic rings in Ar 2 may be bridged by a divalent group -O-, -S- or -Si (R 6 ) 2- may be bridged, wherein unbridged rings are preferred, and wherein an aromatic or heteroaromatic ring of Ar 1 with an aromatic or heteroaromatic ring of Ar 2 by a bivalent group -O-, - S-, -Si (R 6 ) 2 -, -NR 6 - or -C (R 6 ) 2 -
  • the present invention relates to a compound of general formula (6), wherein for the symbols used,
  • each occurrence is the same or different, preferably the same, a straight-chain alkyl group having 1 to 20 carbon atoms, said group may be substituted by one or more R 4 or an aromatic or heteroaromatic
  • Ring system having 6 to 30 aromatic ring atoms, each of which may be substituted by one or more radicals R 4 , wherein the two radicals R 1 may be linked together and form a ring, so that a spiro compound is formed in position 9 of the fluorene, wherein spirobifluorenes excluded are;
  • R 4 is H, a straight-chain alkyl group having 1 to 20 C atoms or a branched or cyclic alkyl group having 3 to 20 C atoms, where the groups are replaced by one or more radicals R 4
  • an aromatic or heteroaromatic Ring system having 6 to 30 aromatic ring atoms, which may be substituted by one or more radicals R 4 ;
  • terphenyl or quadriphenyl group which may be substituted with one or more R 6 radicals which may be the same or different from each other, the rings in Ar 1 and Ar 2 being unbridged, more preferably Ar 1 and Ar 2 being a biphenyl group, which may be substituted with one or more R 6 radicals which may be the same or different from each other.
  • the present invention relates to a compound of general formula (6), wherein for the symbols used R i
  • R 4 is the same on each occurrence and is a straight-chain alkyl group having 1 to 5 carbon atoms, preferably a methyl group or ethyl group, said group may be substituted with one or more R 4 or a phenyl, biphenyl, pyridyl group, each may be substituted by one or more radicals R 4 , wherein the two alkyl groups of R 1 may be linked together and form a ring, so that a spiro compound is formed in position 9 of the fluorene, wherein
  • R 4 is H, a straight-chain alkyl group having 1 to 20 C atoms or a branched or cyclic alkyl group having 3 to 20 C atoms, where the groups may be substituted by one or more R 4 , an aromatic or heteroaromatic ring system with 6 to 30 aromatic ring atoms, which may be substituted by one or more radicals R 4 ;
  • R 3 is H or an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms, each of which may be substituted by one or more R 4 radicals, where R 3 is H
  • terphenyl or quadriphenyl group which may be substituted with one or more R 6 radicals which may be the same or different from each other, the rings in Ar 1 and Ar 2 being unbridged, more preferably Ar 1 and Ar 2 being a biphenyl group, which may be substituted with one or more R 6 radicals which may be the same or different from each other.
  • the present invention relates to a compound of general formula (8), wherein for the symbols used R 1
  • R 4 is H, a straight-chain alkyl group having 1 to 20 C atoms or a branched or cyclic alkyl group having 3 to 20 C atoms, where the groups may be substituted by one or more R 4 , an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms which may be substituted by one or more radicals R 4 ;
  • H, D, F, Cl, Br, I a straight-chain alkyl or alkoxy group having 1 to 20 carbon atoms or a branched or cyclic alkyl or alkoxy group having 3 to 20 carbon atoms, wherein the above-mentioned groups each may be substituted by one or more radicals R 4 and wherein one or more H atoms in the abovementioned groups may be replaced by D, F, Cl, Br, I, CN or NO 2, or an aromatic or heteroaromatic
  • Ring system having 6 to 30 aromatic ring atoms, each of which may be substituted by one or more radicals R 4 , or an aryloxy group having 5 to 60 aromatic ring atoms, which may be substituted by one or more radicals R 4 , or an aralkyl group with 5 to 60 aromatic ring atoms, each of which may be substituted by one or more radicals R 4 , where two or more radicals R 3 may be linked together and form a ring;
  • a phenyl-pyridyl, phenyl-naphthyl, biphenyl, terphenyl or quadriphenyl group which may be substituted with one or more R 6 radicals which may be the same or different from each other, wherein two of the aromatic or heteroaromatic rings in Ar 1 may be bridged by a divalent group -O-, -S- or -Si (R 6 ) 2- or two of the aromatic or heteroaromatic rings in Ar 2 may be bridged by a divalent group -O-, -S- or -Si (R 6 ) 2- may be bridged, wherein unbridged rings are preferred, and wherein an aromatic or heteroaromatic ring of Ar 1 with an aromatic or heteroaromatic ring of Ar 2 by a bivalent group -O-, - S-, -Si (R 6 ) 2 - > -NR 6 - or -C (R 6 ) 2 -
  • the present invention relates, in a very preferred embodiment, to a compound of general formula (8), wherein for the symbols used, R i
  • each occurrence is the same or different, preferably the same, a straight-chain alkyl group having 1 to 20 carbon atoms, said group may be substituted by one or more R 4 or an aromatic or heteroaromatic
  • Ring system having 6 to 30 aromatic ring atoms, each of which may be substituted by one or more radicals R 4 , wherein the two radicals R 1 may be linked together and form a ring, so that a spiro compound is formed in position 9 of the fluorene, wherein spirobifluorenes excluded are;
  • R 4 is H, a straight-chain alkyl group having 1 to 20 C atoms or a branched or cyclic alkyl group having 3 to 20 C atoms, where the groups are replaced by one or more radicals R 4
  • an aromatic or heteroaromatic Ring system having 6 to 30 aromatic ring atoms, which may be substituted by one or more radicals R 4 ;
  • terphenyl or quadriphenyl group which may be substituted with one or more R 6 radicals which may be the same or different from each other, the rings in Ar 1 and Ar 2 being unbridged, more preferably Ar 1 and Ar 2 being a biphenyl group, which may be substituted with one or more R 6 radicals which may be the same or different from each other.
  • the present invention relates to a compound of general formula (8), wherein for the symbols used,
  • R 4 is the same on each occurrence and is a straight-chain alkyl group having 1 to 5 carbon atoms, preferably a methyl group or ethyl group, said group may be substituted with one or more R 4 or a phenyl, biphenyl, pyridyl group, each may be substituted by one or more radicals R 4 , wherein the two alkyl groups of R 1 may be linked together and form a ring, so that a spiro compound is formed in position 9 of the fluorene, wherein
  • R 4 is H, a straight-chain alkyl group having 1 to 20 C atoms or a branched or cyclic alkyl group having 3 to 20 C atoms, where the groups may be substituted by one or more R 4 , an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms which may be substituted by one or more radicals R 4 ;
  • R 3 is H or an aromatic or heteroaromatic ring system having 6 to 30 aromatic ring atoms, each of which may be substituted by one or more R 4 radicals, where R 3 is H
  • terphenyl or quadriphenyl group which may be substituted with one or more R 6 radicals which may be the same or different from each other, the rings in Ar 1 and Ar 2 being unbridged, more preferably Ar 1 and Ar 2 being a biphenyl group, which may be substituted with one or more R 6 radicals which may be the same or different from each other.
  • the present invention relates to compounds of the general formula (1) characterized in that they are monoamine compounds.
  • the synthesis of the compounds of the invention can be prepared by methods known to those skilled in the art.
  • the preparation can be carried out, for example, by means of halogenation, Buchwald coupling and Suzuki coupling.
  • the following reaction scheme shows a preferred synthetic route for the preparation of the compounds of the formula (1) according to the invention.
  • For the synthesis of the compounds according to the invention is reacted to the fluorene compound A in a Buchwald coupling with an amine B of the formula Ar ⁇ NH-Ar 2
  • X a i, X b i, X c i are equal to -B'-Y, wherein Y is a leaving group, for example halogen.
  • the synthetic route comprises two coupling reactions: first, the fluorene compound A is reacted in a first Buchwald coupling with an amine B of the formula Ar 1 -NH 2 . Finally, a second Buchwald coupling takes place with a compound D, for example with a bromoaryl compound.
  • Y is again a leaving group, for example halogen,
  • the hydroxy group is converted into a leaving group Y or -B'-Y, for example into a triflate (TfO) or a halide (preferably Br or Cl), and according to a method familiar to the person skilled in the art (CC coupling such as Zusuki-, Negishi). , Yamamoto, Grignard Cross, Silence, Stern coupling, etc .; CN coupling such as Buchwald coupling) further converted to the compounds of the invention, with a Buchwald coupling or a Suzuki coupling are preferred.
  • X a ⁇ of course, only Y is the leaving group.
  • fluorenes can be prepared which have the amine in the preferred position 4.
  • fluorene according to the invention can be prepared which have the amine in position 1 of the fluorene.
  • Preferred coupling reactions for the preparation of the compound of general formula (1) are Buchwald couplings.
  • Preferred compounds according to the invention are listed by way of example in the table below.
  • Suitable reactive leaving groups are, for example, bromine, iodine, chlorine, boronic acids, boronic esters, amines, alkenyl or alkynyl groups with terminal CC double bond or CC triple bond, oxiranes, oxetanes, groups which have a cycloaddition, for example a 1, 3-dipolar cycloaddition , such as dienes or azides, carboxylic acid derivatives, alcohols and silanes.
  • the invention therefore furthermore relates to oligomers, polymers or dendrimers containing one or more compounds of the formula (1), where the bond (s) to the polymer, oligomer or dendrimer can be located at any positions possible in formula (1).
  • the compound is part of a side chain of the oligomer or polymer or
  • Invention is understood to mean a compound which is composed of at least three monomer units.
  • a polymer in the context of the invention is understood as meaning a compound which is composed of at least ten monomer units.
  • the polymers, oligomers or dendrimers according to the invention may be conjugated, partially conjugated or non-conjugated.
  • the oligomers or polymers of the invention may be linear, branched or dendritic.
  • the units of formula (1) may be directly linked or may be linked together via a divalent group, for example via a substituted or unsubstituted alkylene group, via a heteroatom or via a divalent aromatic or heteroaromatic group.
  • three or more units according to formula (1) may be linked via a trivalent or higher valent group, for example via a trivalent or higher valent aromatic or heteroaromatic group, to a branched or dendritic oligomer or polymer.
  • a trivalent or higher valent group for example via a trivalent or higher valent aromatic or heteroaromatic group
  • repeat units according to formula (1) in oligomers, dendrimers and polymers the same preferences apply as above for
  • the monomers according to the invention are homopolymerized or copolymerized with further monomers.
  • Suitable and preferred comonomers are selected from fluorenes (eg according to EP 842208 or WO 2000/22026), spirobifluorenes (eg according to EP 707020, EP 894107 or WO 2006/061181), paraphenylenes (eg. WO 1992/18552), carbazoles (for example according to WO 2004/070772 or WO 2004/113468), thiophenes (for example according to US Pat
  • Oligomers and dendrimers usually contain other units, such as emitting (fluorescent or phosphorescent) units, such as.
  • emitting (fluorescent or phosphorescent) units such as.
  • Vinyltriarylamines for example according to WO 2007/068325
  • phosphorescent metal complexes for example according to WO 2006/003000
  • charge transport units especially those based on triarylamines.
  • the polymers, oligomers and dendrimers according to the invention have advantageous properties, in particular high lifetimes, high
  • the polymers and oligomers according to the invention are generally prepared by polymerization of one or more types of monomer, of which at least one monomer in the polymer leads to repeat units of the formula (1).
  • Suitable polymerization reactions are known in the art and described in the literature.
  • Particularly suitable and preferred polymerization reactions which lead to C-C or C-N linkages are the following:
  • the present invention thus also provides a process for the preparation of the polymers, oligomers and dendrimers according to the invention, which is prepared by polymerization according to SUZUKI, polymerization according to YAMAMOTO, polymerization according to SILENCE or polymerization according to HARTWIG-BUCHWALD.
  • the dendrimers according to the invention can be prepared according to methods known to the person skilled in the art or in analogy thereto. Suitable methods are described in the literature, such as. In Frechet, Jean M.J .; Hawker, Craig J., "Hyperbranched polyphenylenes and hyperbranched polyesters: new soluble, three-dimensional, reactive polymers", Reactive & Functional Polymers (1995), 26 (1-3), 127-36;
  • Dendrimers can be used as compositions with other organically functional materials used in electronic devices.
  • a variety of possible organically functional materials from the prior art are known to the person skilled in the art.
  • the present invention therefore also relates to a composition comprising one or more compounds of the formula (1) according to the invention or at least one inventive polymer, oligomer or dendrimer and at least one further organically functional material selected from the group consisting of fluorescent emitters, phosphorescent emitters, host materials, matrix materials, electron transport materials, electron injection materials,
  • Hole conductor materials hole injection materials, electron blocking materials and hole blocking materials.
  • formulations of the compounds according to the invention are required. These formulations may be, for example, solutions, dispersions or mini-emulsions. It may be preferable to use mixtures of two or more solvents for this purpose. Suitable and preferred solvents are, for example, toluene, anisole, o-, m- or p-xylene, methylbenzoate, dimethylanisole, mesitylene, tetralin, veratrol, THF, methyl THF, THP, chlorobenzene, dioxane or mixtures of these solvents.
  • the invention therefore further provides a formulation, in particular a solution, dispersion or miniemulsion comprising at least one compound of the formula (1) or at least one polymer, oligomer or dendrimer comprising at least one unit of the formula (1) and at least one solvent, preferably one organic solvent.
  • a formulation in particular a solution, dispersion or miniemulsion comprising at least one compound of the formula (1) or at least one polymer, oligomer or dendrimer comprising at least one unit of the formula (1) and at least one solvent, preferably one organic solvent.
  • the compounds according to the invention are suitable for use in electronic devices, in particular in organic electroluminescent devices (for example OLEDs or OLECs). Depending on the substitution, the compounds are used in different functions and layers.
  • organic electroluminescent devices for example OLEDs or OLECs.
  • Another object of the present invention is therefore the
  • OICs organic integrated circuits
  • OFETs organic field effect transistors
  • OTFTs organic thin film transistors
  • OLETs organic light emitting transistors
  • organic solar cells organic solar cells (OSCs), organic optical detectors, organic photoreceptors, organic field quench devices
  • OFQDs organic light-emitting electrochemical cells
  • O-lasers organic laser diodes
  • OLEDs and OLECs organic electroluminescent devices
  • the subject matter of the invention is electronic devices containing at least one compound according to formula (1).
  • the electronic devices are preferably selected from the above-mentioned devices.
  • Particular preference is given to organic electroluminescent devices (OLEDs) containing the anode, cathode and at least one emitting layer, characterized in that at least one organic layer, which may be an emitting layer, a hole transport layer or another layer, comprises at least one compound according to formula (1) contains.
  • OLEDs organic electroluminescent devices
  • the organic electroluminescent device may contain further layers. These are, for example, selected from in each case one or more hole injection layers, hole transport layers, hole blocking layers, electron transport layers, electron injection layers, electron blocking layers, exciton blocking layers, intermediate layers
  • the organic electroluminescent device according to the invention may contain a plurality of emitting layers.
  • these emission layers particularly preferably have a total of a plurality of emission maxima between 380 nm and 750 nm, so that overall white emission results, ie. H.
  • various emitting compounds are used which can fluoresce or phosphoresce and which emit blue or yellow or orange or red light. Particularly preferred
  • Three-layer systems ie systems with three emitting layers, the three layers showing blue, green and orange or red emission (for the basic structure, see, for example, WO 2005/011013).
  • the compounds of the invention can be used in such devices in a
  • Hole transport layer an emitting layer and / or be present in another layer. It should be noted that, for the production of white light, instead of a plurality of color-emitting emitter compounds, a single-use emitter compound emitting in a wide wavelength range may also be suitable.
  • the compound of the formula (1) is used in an electroluminescent device containing one or more phosphorescent dopants.
  • the compound can be used in different layers, preferably in a hole transport layer, a hole injection layer or in an emitting layer.
  • the compound according to formula (1) can also be used according to the invention in an electronic device containing one or more fluorescent dopants.
  • phosphorescent dopants are typically
  • Particularly suitable phosphorescent dopants are compounds which, given suitable excitation, emit light, preferably in the visible range, and also contain at least one atom of atomic number greater than 20, preferably greater than 38 and less than 84, particularly preferably greater than 56 and less than 80.
  • Preferred phosphorescence emitters used are compounds containing copper, molybdenum, tungsten, rhenium, ruthenium, osmium, rhodium, iridium, palladium, platinum, silver, gold or europium, in particular compounds containing iridium, platinum or copper.
  • luminescent iridium, platinum or copper complexes are regarded as phosphorescent compounds.
  • Examples of the emitters described above can be found in the applications WO 00/70655, WO 01/41512, WO 02/02714, WO 02/15645, EP 1191613, EP 1191612, EP 1191614, WO 2005/033244, WO 2005/019373 and US 2005 / 0258742 are taken.
  • all phosphorescent complexes which are used according to the prior art for phosphorescent OLEDs and as are known to the person skilled in the art of organic electroluminescent devices are suitable.
  • the skilled person may also use other phosphorescent complexes in combination with the compounds of the formula (1) in organic electroluminescent devices without inventive step.
  • Suitable phosphorescent emitter compounds can be further found in the following table.
  • the compounds according to the general formula (1) are used as hole transport material.
  • the compounds are then preferably used in a hole transport layer and / or in a hole injection layer.
  • Lochinjetechnischs slaughter in the context of this invention is a layer that is directly adjacent to the anode.
  • Invention is a layer that lies between the hole injection layer and the emission layer.
  • the hole transport layer can directly to the
  • Adjacent emission layer When the compounds according to formula (1) as Hole transport material or may be used as hole injection material, it may be preferred if they are doped with electron acceptor compounds (p-doping), for example with F4-TCNQ, F 6 -TNAP or with compounds, as described in EP 1476881 or EP 1596445 , In a further preferred embodiment of the invention, a compound according to formula (I) as hole transport material in
  • the Hexaazatriphenylenderivat is used in a separate layer.
  • the compounds of the general formula (1) are used as a hole transport material in a hole transport layer, the compound may be used as a pure material, i. in a proportion of 100%, be used in the hole transport layer, or it may be used in combination with one or more other compounds in the hole transport layer.
  • the compounds of general formula (1) are used as emitting materials.
  • the compounds are preferably used in an emission layer.
  • the emission layer furthermore contains at least one host material.
  • the compounds of the general formula (1) are used as matrix material in combination with one or more dopants, preferably phosphorescent dopants.
  • a dopant is understood to mean the component whose proportion in the mixture is the smaller.
  • a matrix material in a system containing a matrix material and a dopant is understood to mean the component whose proportion in the mixture is the larger.
  • the proportion of the matrix material in the emitting layer is in this case between 50.0 and 99.9% by volume, preferably between 80.0 and 99.5% by volume and particularly preferred for fluorescent emitting layers between 92.0 and 99.5% by volume and for phosphorescent emitting layers between 85.0 and 97.0 vol.%.
  • the proportion of the dopant is between 0.1 and 50.0% by volume, preferably between 0.5 and 20.0% by volume and particularly preferred for fluorescent emitting layers between 0.5 and 8.0% by volume and for phosphorescent emitting layers between 3.0 and
  • An emitting layer of an organic electroluminescent device may also contain systems comprising a plurality of matrix materials (mixed-matrix systems) and / or multiple dopants.
  • the dopants are generally those materials whose proportion in the system is smaller and the matrix materials are those materials whose proportion in the system is larger. In individual cases, however, the proportion of a single matrix material in the system may be smaller than the proportion of a single dopant.
  • the compounds according to the general formula (1) are used as a component of mixed-matrix systems.
  • the mixed-matrix systems preferably comprise two or three different matrix materials, more preferably two different matrix materials.
  • one of the two materials preferably represents a material with hole-transporting properties and the other material a material with electron-transporting properties.
  • the desired electron-transporting and hole-transporting properties of the mixed-matrix components can also be mainly or completely combined in a single mixed-matrix component be, with the other and the other mixed-matrix components fulfill other functions.
  • the two different matrix materials can be in one
  • the mixed-matrix systems may comprise one or more dopants, preferably one or more phosphorescent dopants.
  • mixed-matrix systems are preferably used in phosphorescent organic electroluminescent devices.
  • Particularly suitable matrix materials which can be used in combination with the compounds according to the invention as matrix components of a mixed-matrix system are selected from the below-mentioned preferred matrix materials for phosphorescent dopants or the preferred matrix materials for fluorescent dopants, depending on the type of dopant in the mixed Matrix system is used.
  • Preferred phosphorescent dopants for use in mixed-matrix systems are the phosphorescent dopants listed in the table above.
  • Preferred fluorescent dopants are selected from the class of arylamines.
  • An arylamine or an aromatic amine in the context of this invention is understood as meaning a compound which contains three substituted or unsubstituted aromatic or heteroaromatic ring systems bonded directly to the nitrogen. At least one of these aromatic or heteroaromatic ring systems is preferably a fused ring system, more preferably at least 14 aromatic ring atoms.
  • Preferred examples of these are aromatic anthracene amines, aromatic anthracenediamines, aromatic pyrenamines, aromatic pyrenediamines, aromatic chrysenamines or aromatic
  • Anthracenamin becomes a Compound in which a diarylamino group is bonded directly to an anthracene group, preferably in the 9-position.
  • An aromatic anthracenediamine is understood to mean a compound in which two diarylamino groups are bonded directly to an anthracene group, preferably in the 9,10-position.
  • Aromatic pyrenamines, pyrenediamines, chrysenamines and chrysenediamines are defined analogously thereto, the diarylamino groups on the pyrene preferably being bonded in the 1-position or in the 1, 6-position.
  • matrix materials preferably for fluorescent dopants, in addition to the compounds according to the invention, materials of different substance classes are suitable.
  • Preferred matrix materials are selected from the classes of the oligoarylenes (for example 2,2 ', 7,7'-tetraphenylspirobifluorene according to EP 676461 or dinaphthylanthracene), in particular the oligoarylenes containing condensed aromatic groups, of the oligoarylenevinylenes (for example DPVBi or spiro-DPVBi according to EP 676461), the poly-podal metal complexes (eg according to WO 2004/081017), the hole-conducting compounds (eg according to WO 2004/058911), the electron-conducting compounds, in particular ketones, phosphine oxides, Sulfoxides, etc.
  • the oligoarylenes for example 2,2 ', 7,7'-tetraphenylspirobifluorene according to EP 676461
  • the atrop isomers eg according to WO 2006/048268
  • the boronic acid derivatives eg according to WO 2006/117052
  • the benzanthracenes eg according to
  • Particularly preferred matrix materials are selected from the classes of the oligoarylenes containing naphthalene, anthracene, benzanthracene and / or pyrene or atropisomers of these compounds, the oligoarylenevinylenes, the ketones, the phosphine oxides and the sulfoxides.
  • Very particularly preferred matrix materials are selected from the classes of oligoarylenes containing anthracene, benzanthracene, benzphenanthrene and / or pyrene or atropisomers of these compounds.
  • an oligoarylene is to be understood as meaning a compound in which at least three aryl or arylene groups are bonded to one another.
  • Preferred matrix materials for phosphorescent dopants are, in addition to the compounds according to the invention, aromatic amines, in particular triarylamines, eg. B. according to US 2005/0069729, carbazole derivatives (eg CBP, ⁇ , ⁇ -biscarbazolylbiphenyl) or compounds according to WO 2005/039246, US 2005/0069729, JP 2004/288381, EP 1205527 or WO 2008/086851, bridged carbazole derivatives, eg. B. according to
  • WO 2011/088877 and WO 2011/128017 indenocarbazole derivatives, e.g. B. according to WO 2010/136109 and WO 2011/000455, Azacarbazolderivate, z. B. according to EP 1617710, EP 1617711, EP 1731584, JP 2005/347160, Indolocarbazolderivate, z. B. according to WO 2007/063754 or
  • WO 2010/006680 phosphine oxides, sulfoxides and sulfones, z. B. according to WO 2005/003253, oligophenylenes, bipolar matrix materials, eg. B. according to WO 2007/137725, silanes, z. B. according to WO 2005/111172, azaborole or boronic esters, z. B. according to WO 2006/117052, triazine derivatives, z. B. according to WO 2010/015306, WO 2007/063754 or WO 2008/056746,
  • Zinc complexes e.g. B. according to EP 652273 or WO 2009/062578,
  • Aluminum complexes e.g. B. BAIq, diazasilol and tetraazasilol derivatives, z. B. according to WO 2010/054729, diazaphosphole derivatives, z. B. according to
  • WO 2010/054730 and aluminum complexes, for. B. BAIQ.
  • Suitable charge transport materials as used in the hole injection or hole transport layer or in the electron transport layer of the
  • the cathode of the organic electroluminescent device are low workfunction metals, metal alloys or multilayer structures of various metals, such as alkaline earth metals, alkali metals, main group metals or lanthanides (eg Ca, ⁇ a, Mg, Al, In, Mg, Yb, Sm, Etc.). Furthermore, alloys of an alkali or alkaline earth metal and silver, for example a
  • Alloy of magnesium and silver In multilayer structures, it is also possible, in addition to the metals mentioned, to use further metals which have a relatively high work function, such as, for example, B. Ag or AI, which then usually combinations of metals, such as Ca / Ag, Mg / Ag or Ba / Ag can be used. It may also be preferred to introduce between a metallic cathode and the organic semiconductor a thin intermediate layer of a material with a high dielectric constant. Suitable examples of these are alkali metal or alkaline earth metal fluorides, but also the corresponding oxides or carbonates (eg LiF, Li 2 O, BaF 2 , MgO, NaF, CsF, Cs 2 C0 3 , etc.).
  • lithium quinolinate LiQ
  • LiQ lithium quinolinate
  • Layer thickness of this layer is preferably between 0.5 and 5 nm.
  • the anode high workfunction materials are preferred.
  • the anode has a work function greater than 4.5 eV. Vacuum up.
  • metals with a high redox potential such as Ag, Pt or Au, are suitable for this purpose.
  • electrodes z. B. AI / Ni / NiO, AI / PtO x
  • metal / metal oxide may be preferred, metal / metal oxide.
  • at least one of the electrodes must be transparent or
  • anode materials are conductive mixed metal oxides. Particularly preferred are indium tin oxide (ITO) or indium zinc oxide (IZO). Preference is furthermore given to conductive, doped organic materials, in particular conductive doped polymers.
  • the device is structured accordingly (depending on the application), contacted and finally sealed, since the life of the devices according to the invention is shortened in the presence of water and / or air.
  • the organic electroluminescent device according to the invention is characterized in that one or more layers are coated with a sublimation method.
  • the materials are vacuum deposited in vacuum sublimation at an initial pressure less than 10 "5 mbar, preferably less than 10 " 6 mbar. However, it is also possible that the initial pressure is even lower, for example, less than 10 "7 mbar.
  • an organic electroluminescent device characterized in that one or more layers are coated with the OVPD (Organic Vapor Phase Deposition) method or with the aid of a carrier gas sublimation. The materials are applied at a pressure between 10 "applied 5 mbar and 1 bar.
  • OVPD Organic Vapor Phase Deposition
  • OVJP organic vapor jet printing
  • an organic electroluminescent device characterized in that one or more layers of solution, such. B. by spin coating, or with any printing process, such.
  • any printing process such.
  • screen printing flexographic printing, Nozzle Printing or offset printing, but particularly preferably LITI (Light Induced Thermal Imaging, thermal transfer printing) or ink-jet printing (ink jet printing) are produced.
  • LITI Light Induced Thermal Imaging, thermal transfer printing
  • ink-jet printing ink jet printing
  • one or more layers of solution and one or more layers are applied by a sublimation method.
  • the electronic devices containing one or more compounds according to the general formula (1) in displays as light sources in lighting applications and as
  • Light sources in medical and / or cosmetic applications e.g., light therapy
  • Electrodes comprising the compounds of the general formula (1) can be used in a very versatile manner.
  • electroluminescent devices containing one or more compounds of the general formula (1) can be used in displays for televisions, mobile telephones, computers and cameras.
  • electroluminescent devices for. B. in OLEDs or OLECs, containing at least one of the compound according to the general formula (1) in medicine or cosmetics for phototherapy.
  • diseases psoriasis, atopic dermatitis, inflammation, acne, skin cancer, etc.
  • the compound according to the general formula (1) in medicine or cosmetics for phototherapy.
  • the light-emitting devices may be used to keep beverages, foods, or foods fresh, or to sterilize devices (eg, medical devices).
  • the compounds of the invention are very suitable for use in a hole transport layer or a hole injection layer in electronic devices, such as in organic electroluminescent devices, in particular due to their high hole mobility.
  • the compounds of the invention have a relatively low sublimation temperature, a high temperature stability and a high oxidation stability and a high glass transition temperature, which is advantageous both for processability, for example from solution or from the gas phase, as well as for the connection in electronic devices.
  • the materials HIL1, HIL2 (EP 0676461), H1 (WO 2008/145239), H2 (WO 2010/136109), ETM1 (WO 2005/053055), SEB1 (WO 2008/006449), LiQ, Irpy and NPB are those skilled in the art well known in the art.
  • the compounds HTMV1 to HTMV6 are comparative compounds which can be prepared analogously to the process described in Example 1.
  • the compounds (1-1), (1-4), (1-7) (5-1), (4-1), (1-12), (1-13), (1-14), ( 1-15), (6-3), (6-2), (6-1), (6-4), (6-5), (8-1), (7-2), (7- 1), (9-2), (2-7), (2-8) and (1-17) are according to the invention.
  • the concentrated solution is carefully mixed with 310 ml of acetic acid and then 70 ml of fuming HCl are added.
  • the batch is heated to 75 ° C and held at this temperature for 4 h.
  • a white solid precipitates.
  • the mixture is then cooled to room temperature, the precipitated solid is filtered off with suction and washed with methanol.
  • Residue is dried in vacuo at 40 ° C. After filtration of the crude product over silica gel with (heptane: ethyl acetate, 1: 1), 26 g (75% of theory) are obtained.
  • Residue recrystallized from heptane / toluene The purity is 99.9%.
  • the yield is 15 g (65% of theory).
  • reaction mixture is then diluted with heptane, concentrated by rotary evaporation and water, the organic phase washed three times with water, dried over Na 2 S0 4 and concentrated by rotary evaporation.
  • ethyl acetate, 1: 1) After filtration of the crude product over silica gel with heptane: ethyl acetate, 1: 1), 26.7 g (91% of theory) are obtained.
  • inventive OLEDs and OLEDs according to the prior art is carried out according to a general method according to WO 04/058911, based on the conditions described here
  • the OLEDs have the following layer structure: Substrate / Optional Hole Injection Layer (HIL1) / Hole Transport Layer (HTL) / Hole Injection Layer (HIL2) / Electron Blocker Layer (EBL) / Emission Layer (EML) / Electron Transport Layer (ETL) / Optional Electron Injection Layer (EIL) and finally a Cathode.
  • HIL1 Hole Transport Layer
  • HIL2 Hole Injection Layer
  • EBL Electron Blocker Layer
  • EML Emission Layer
  • ETL Electron Transport Layer
  • EIL Electron Transport Layer
  • EIL Optional Electron Injection Layer
  • Tables 1 and 3 can be seen. The materials needed to make the OLEDs are disclosed above.
  • the emission layer always consists of at least one matrix material (host material, host material) and an emitting dopant (dopant, emitter), which is admixed to the matrix material or the matrix materials by co-evaporation in a specific volume fraction.
  • An indication such as H1: SEB1 (95%: 5%) here means that the material H1 is present in a proportion by volume of 95% and SEB1 in a proportion of 5% in the layer.
  • the electron transport layer can also consist of a mixture of two materials.
  • the OLEDs are characterized by default.
  • the electroluminescence spectra are determined at a luminance of 1000 cd / m 2 and from this the CIE 1931 x and y color coordinates are calculated.
  • the term EQE @ 1000 cd / m 2 designates the external quantum efficiency at an operating luminance of
  • LD80 @ 6000 cd / m 2 is the lifetime until the OLED at a brightness of 6000 cd / m 2 to 80% of the initial intensity, ie
  • compounds according to the invention are suitable as HIL, HTL or EBL in OLEDs. They are suitable as a single layer, but also as a mixed component as HIL, HTL, EBL or within the EML.
  • inventive compound (1-1) (E1, E7) significantly better
  • compounds according to the invention are suitable as HIL, HTL or EBL in OLEDs. They are suitable as a single layer, but also as a mixed component as HIL, HTL, EBL or within the EML.
  • NPB reference components (V1) all samples with the compounds according to the invention show both higher efficiencies and significantly improved lifetimes in singlet blue and triplet green.
  • HIL1 HIL2 HIL1 HTMV1 H1 (95%): SEB1 (5%): ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 HTMV2 H1 (95%): SEB1 (5%): ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 HTMV3 H1 (95%): SEB1 (5%): ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 HTMV4 H1 (95%): SEB1 (5%): ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 HTMV5 H1 (95%): SEB1 (5%): ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 HTMV6 H1 (95%): SEB1 (5%): ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 H1 (95%): SEB1 (5%) ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 H1 (95%): SEB1 (5%) ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 (6-3) H1 (95%): SEB1 (5%) ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 (6-1) H1 (95%): SEB1 (5%) ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 (6-5) H1 (95%): SEB1 (5%) ETM1 (50%): LiQ (50%)
  • HIL1 HIL2 HIL1 8-1) H1 (95%): SEB1 (5%) ETM1 (50%): LiQ (50%)
  • HIL2 HIL1 NPB H2 88%): lrpy (12%)
  • ETM1 50%): LiQ (50%)
  • HIL2 HIL1 HTMV1 H2 (88%): lrpy (12%)
  • ETM1 (50%): LiQ (50%)
  • HIL2 HIL1 HTMV2 H2 (88%): lrpy (12%): ETM1 (50%): LiQ (50%)
  • HIL2 HIL1 HTMV3 ⁇ 2 (88%): ⁇ (12%)
  • ETM1 (50%): LiQ (50%)
  • HIL2 HIL1 HTMV5 H2 (88%): lrpy (12%)
  • ETM1 (50%): LiQ (50%)
  • HIL2 HIL1 HTMV6 H2 (88%): lrpy (12%)
  • ETM1 (50%): LiQ (50%)
  • HIL2 HIL1 (5-1) H2 (88%): lrpy (12%) ETM1 (50%): LiQ (50%)
  • HIL2 HIL1 ETM1 (50%): LiQ (50%)
  • HIL2 HIL1 (6-1) H2 (88%) ⁇ rpy (12%) ETM1 (50%): LiQ (50%)
  • HIL2 HIL1 (2-10) H2 (88%) ⁇ rpy (12%) ETM1 (50%): LiQ (50%)

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JP2015523434A JP6219388B2 (ja) 2012-07-23 2013-06-27 フルオレンおよびそれらを含む有機電子素子
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EP13734657.3A EP2875004B1 (de) 2012-07-23 2013-06-27 Fluorene und elektronische vorrichtungen, die sie enthalten
CN201380039289.1A CN104603111A (zh) 2012-07-23 2013-06-27 芴和含有所述芴的电子器件
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US20230217811A1 (en) 2023-07-06
TW201425275A (zh) 2014-07-01
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JP2024063010A (ja) 2024-05-10
TWI677486B (zh) 2019-11-21
KR20150036654A (ko) 2015-04-07
JP6995790B2 (ja) 2022-02-04
US20210151682A1 (en) 2021-05-20
US20150179940A1 (en) 2015-06-25
JP2020125295A (ja) 2020-08-20
JP2018008939A (ja) 2018-01-18
EP3424907A2 (de) 2019-01-09
EP2875004B1 (de) 2018-07-18
JP2019112407A (ja) 2019-07-11
WO2014015935A3 (de) 2014-03-20
JP6219388B2 (ja) 2017-10-25
CN108863814A (zh) 2018-11-23
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