Merck Patent Gmbh

Cynora Gmbh

Uwe Monkowius

Hartmut Yersin

Rafal Czerwieniec

Tobias Fischer

Thomas Hofbeck

Tobias Grab

Thomas Baumann

Philipp Stoessel

Dominik Joosten

Esther Breuning

Jiangbo Yu

Dominik Pentlehner

Walter Finkenzeller

Antonio Laguna

Olga Crespo

Maria Conception Gimeno

Tobias Fisher

Maria Concepcion Gimeno

The present invention relates to the use of double-complex salts in electronic devices, in particular in organic electroluminescent devices, and oligomers formed from charged metal complexes.

Organic electroluminescent device

The invention relates to dimeric copper(I) complexes according to formula A, in particular as emitters in optoelectronic devices such as organic light emitting diodes (OLEDs) and other devices wherein:

Singlet harvesting with dual-core copper (I) complexes for optoelectronic devices

The invention relates to an optoelectronic component having a copper(I) complex of the formula: wherein X is independently selected from Cl, Br and I; N*&#x2229;E or E&#x2229;N* is a bidentate ligand connected to a first Cu atom via an N atom and connected to a second Cu atom via an E group, or a monodentate ligand connected to a Cu atom via an E group, wherein E is RAs or RP, wherein R is selected from alkyl, aryl, alkoxy, and phenoxy; N* is a part of an aromatic group comprising an imine functional group, wherein the aromatic group is selected from pyridyl, pyrimidyl, pyridazinyl, triazinyl, oxazolyl, thiazolyl, imidazolyl, and fused N-heteroaromatics, and wherein the imine functional group comprises the N atom double bonded to a carbon atom of the aromatic group; and &#x2229; is a carbon atom, which is likewise part of the aromatic group, connected to the N atom of said aromatic group and also connected to the E group via the As or P atom of the E group.

Copper complexes for optoelectronic applications

The invention relates to the use of a multinuclear metal or transition metal complex in an organic electronic device, said complex having a small &#x394;E spacing, particularly between 50 cmand 2000 cm, between the lowest triplet state and the singlet state that is higher and is achieved by thermal backfilling from the triplet. The invention further relates to the use of the strong absorptions of such multinuclear metal complexes, particularly in OSCs.

Complexes for use in optoelectronic components

The present invention relates to light-emitting devices and in particular organic light-emitting devices (OLEDs). In particular, the invention relates to the use of luminescent isonitrile/metal complexes as oligomer emitters in devices of this type.

Oligomers of isonitrile-metal complexes as triplet emitters for OLED applications

The invention relates to gold(I) complexes having a planar-trigonal coordination geometry and multivalent ligands for use in an optoelectronic device, in particular in organic light-emitting diodes (OLEDs) and in light-emitting electrochemical cells (LEECs).

Use of gold complexes in optoelectronic devices

The invention relates to neutral mononuclear copper (I) complexes for emitting light and with a structure according to formula (A) in which: M represents: Cu(I); L&#x2229;L represents: a single, negatively charged, bidentate ligand; N&#x2229;N represents: a diimine ligand (substituted with R and FG), in particular a substituted 2,2'-bipyridine derivative (bpy) or a substituted 1,10-phenanthroline derivative (phen); R represents: at least one sterically demanding substituent for preventing the planarization of the complex in the excited state; FG=functional group, and represents: at least one second substituent for increasing solubility in organic solvents. The substituent can also be used for electron transport or alternatively for hole transport, said functional group being bound to the diimine ligands either directly or by means of suitable bridges; and the copper (I) complex: having a &#x394;E(S&#x2212;T) value of less than 2500 cmbetween the lowest excited singlet state (S) and the triplet state (T) which lies below; having an emission lifespan of at most 20 &#x3bc;s; having an emission quantum yield of greater than 40%, and a solubility of at least 1 g/L in organic solvents, in particular polar organic hydrocarbons such as acetone, methyl ethyl ketone, benzene, toluene, chlorobenzene, dichlorobenzene, dichloromethane, chloroform, dichloroethane, tetrachloroethylene, alcohols, acetonitrile or water.

Copper (I) complexes for optoelectronic devices

The invention relates to copper(I) complexes of the formula A wherein X=Cl, Br or I (independently of one another); N*&#x2229;E=a bidentate ligand, wherein E=a phosphinyl group including a phosphorus atom or an arsenyl group including an arsenic atom, wherein the phosphinyl group or the arsenyl group is combined with R in the form of RE (where R=alkyl, aryl, alkoxy, or phenoxy; N*=imine function which is part of an aromatic group selected from pyridyl, pyrimidyl, pyridazinyl, triazinyl, oxazolyl, thiazolyl and imidazolyl, the aromatic group optionally having at least one substituent to increase the solubility of the copper(I) complex in an organic solvent; and &#x2229;=at least one carbon atom which is likewise part of the aromatic group. The carbon atom is located directly adjacent both to the imine nitrogen atom, coordinating to Cu in the case of a bridging ligand and to the phosphorus or arsenic atom. The invention also relates to the use of the copper(I) complexes in optoelectronic assemblies, especially in Organic Light Emitting Diodes (OLEDs).

The invention relates to mononuclear, neutral copper (1) complexes having a bidentate ligand that binds via nitrogen, and two phosphane or arsane ligands, to the use thereof for producing electronic components, and to electronic devices comprising said complexes.

Materials for organic electroluminescence devices

The present invention relates to light-emitting devices and novel emitter materials as well as emitter systems and, in particular, organic light-emitting devices (OLEDs). In particular, the invention relates to the use of luminescent complexes as emitters in such devices.

Biphenyl-metal complexes&#x2014;monomeric and oligomeric triplet emitters for OLED applications

The present invention relates to light-emitting devices and in particular organic light-emitting devices (OLEDs). In particular, the invention relates to emitter materials in which charged metal complexes are bonded to a polymer by electrostatic interactions.

Polymeric anions/cations

The present invention pertains to the double complex salts in optoelectronic components, like organic diodes, organic transistors or organic lasers, in particular an organic solar cell (OSC, OPP) and in particular from oligomers built from charged metal complexes.

Double complex salts as absorbers in OSC/OPV devices

The present invention relates to auxiliary ligands for luminescent metal complexes, particularly emitter complexes having such auxiliary ligands, and particularly light-emitting devices, and particularly organic light-emitting devices (OLED) having metal complexes, which have the auxiliary ligands according to the invention.

Luminescent metal complexes for organic electronic devices

The present invention relates to organic electroluminescence devices containing metal complexes having the formula (1) and metal complexes for use in organic electroluminescence devices.

Organic electroluminescence device

The invention relates to the use of compositions as emitters or absorbers in an electronic component, wherein the compositions have a first neutral transition metal complex and a second neutral transition metal complex. According to the invention, the first transition metal complex and the second transition metal complex together form a column structure. The invention further relates to a method for the production of electronic components having such compositions.

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Linz, Austria

Uwe Monkowius