EP2906567A1 - Composés complexés azabicycliques aromatiques comportant les éléments cu, ag, au, zn, al conçus pour être utilisés dans des dispositifs électroluminescents - Google Patents

Composés complexés azabicycliques aromatiques comportant les éléments cu, ag, au, zn, al conçus pour être utilisés dans des dispositifs électroluminescents

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Publication number
EP2906567A1
EP2906567A1 EP13762410.2A EP13762410A EP2906567A1 EP 2906567 A1 EP2906567 A1 EP 2906567A1 EP 13762410 A EP13762410 A EP 13762410A EP 2906567 A1 EP2906567 A1 EP 2906567A1
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EP
European Patent Office
Prior art keywords
formula
group
atoms
radicals
substituted
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.)
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Application number
EP13762410.2A
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German (de)
English (en)
Inventor
Lars Wesemann
Matthias Kleih
Hermann August MAYER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
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Merck Patent GmbH
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Publication date
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of EP2906567A1 publication Critical patent/EP2906567A1/fr
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Definitions

  • the present invention relates to metal complexes which are suitable for use as emitters in organic electroluminescent devices, and to organic electroluminescent devices which contain these metal complexes.
  • Preferred substructures of the formulas (2) are therefore the substructures of the following formulas (3) to (6),
  • radicals R on each occurrence are identically or differently selected from the group consisting of H, D, F, N (R 1 ) 2 , a straight-chain alkyl group having 1 to 6 C atoms or a branched or cyclic alkyl group having 3 to 10 C atoms, wherein one or more H atoms may be replaced by D or F, or an aromatic or heteroaromatic ring system having 5 to 24 aromatic ring atoms, each of which may be substituted by one or more radicals R 1 ; two adjacent radicals R may also together form a mono- or polycyclic, aliphatic or aromatic ring system.
  • Preferred structures with multidentate ligands are the metal complexes of the following formulas (62) to (67),
  • Suitable zinc reactants are, for example, dimethylzinc, various zinc amides, zinc phosphides, zinc alkoxides, etc.
  • Suitable aluminum starting materials are, for example, trimethylaluminum, triethylaluminum, various combinations thereof
  • formulations of the compounds according to the invention are required. These formulations may be, for example, solutions, dispersions or emulsions. It may be preferable to use mixtures of two or more solvents for this purpose.
  • the luminescence spectrum of the solid has an emission maximum at 514 nm and the spectrum in polystyrene matrix has an emission maximum at 518 nm. Production of the OLEDs
  • the following examples introduce the results of different OLEDs.
  • Glass plates with structured ITO indium tin oxide form the substrates onto which the OLEDs are applied.
  • the OLEDs have in principle the following layer structure: substrate / hole transport layer 1 (HTL1) consisting of HTM doped with 3% NDP-9 (commercially available from Novaled), 20 nm / hole transport layer 2 (HTL2) / electron blocking layer (EBL) / Emission layer (EML) / optional hole blocking layer (HBL) / electron transport layer (ETL) / optional electron injection layer (EIL) and finally a cathode.
  • the cathode is formed by a 100 nm thick aluminum layer.

Abstract

La présente invention concerne des complexes métalliques ainsi que des dispositifs électroniques, en particulier des dispositifs électroluminescents organiques contenant ces complexes métalliques, tels que des OLED. Cette invention se rapporte à des composés de formule (1) : M(L)n(L')m, lesdits composés de formule générale (1) comportant une structure partielle M(L)n de formule (2) et L désignant un ligand monoanionique. Les variables sont définies de la manière suivante : M désigne Cu, Ag, Au, Ru, Zn, AI, Ga ou In; A représente un groupe de coordination qui peut être coordonné à M et qui peut être substitué par un ou plusieurs substituants R; les autres variables sont telles que définies dans les revendications.
EP13762410.2A 2012-10-13 2013-09-13 Composés complexés azabicycliques aromatiques comportant les éléments cu, ag, au, zn, al conçus pour être utilisés dans des dispositifs électroluminescents Withdrawn EP2906567A1 (fr)

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DE102012020167.2A DE102012020167A1 (de) 2012-10-13 2012-10-13 Metallkomplexe
PCT/EP2013/002749 WO2014067598A1 (fr) 2012-10-13 2013-09-13 Composés complexés azabicycliques aromatiques comportant les éléments cu, ag, au, zn, al conçus pour être utilisés dans des dispositifs électroluminescents

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JP (1) JP2016501830A (fr)
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CN (1) CN104736544A (fr)
DE (1) DE102012020167A1 (fr)
WO (1) WO2014067598A1 (fr)

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US20150280147A1 (en) 2015-10-01
CN104736544A (zh) 2015-06-24
JP2016501830A (ja) 2016-01-21
WO2014067598A8 (fr) 2015-05-14
DE102012020167A1 (de) 2014-04-17
KR20150067367A (ko) 2015-06-17
WO2014067598A1 (fr) 2014-05-08

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