Merck Patent Gmbh

Cynora Gmbh

Sichuan Knowledge Express Institute for Innovative Technologies Co., Ltd

Novaled Ag

Hartmut Yersin

Uwe Monkowius

Rafal Czerwieniec

Tobias Fischer

Thomas Hofbeck

Tobias Grab

Thomas Baumann

Hermann August Mayer

Lars Wesemann

Larisa Mataranga-Popa

Philipp Stoessel

Dominik Joosten

Esther Breuning

Jiangbo Yu

Dominik Pentlehner

Horst Hartmann

Oliver Reiser

Sophie Wernitz

Markus Leitl

Hartmut Schubert

Andreas Rausch

Walter Finkenzeller

Fritz-Robert Kuechle

Antonio Laguna

Alexander Hupfer

Olga Crespo

Maria Conception Gimeno

Tobias Fisher

Qun-li Luo

Stefan Eibauer

Maria Concepcion Gimeno

The invention relates to novel pure organic emitter molecules and optoelectronic devices containing these organic emitter molecules. According to the invention, in the optoelectronic device, after the excitation of an organic molecule, relaxation and intersystem crossing processes also result from the almost isoenergetic charge transfer triplet state (CT) for the direct rapid occupation and emission of the charge transfer singlet state (CT), so that aCT&#x2192;Sfluorescence occurs without a thermal activation.

Direct singlet capture organic molecules with short emission decay time and application thereof in optoelectronic devices

The invention relates to purely organic emitter molecules of a new type according to formula I and to the use thereof in optoelectronic devices, in particular in organic light-emitting diodes (OLEDs), comprising donor D: an aromatic or heteraromatic chemical group on which the HOMO is located and which optionally has at least one substitution; acceptor A: an aromatic or heteromatic chemical group on which the LUMO is located and which optionally has at least one substitution; bridge B1, bridge B2: organic groups that link the donor D and the acceptor A in a non-conjugated manner; wherein in particular the energy difference &#x394;E(S&#x2212;T) between the lowest excited singlet (S1) state of the organic emitter molecule and the triplet (T1) state of the organic emitter molecule lying thereunder is less than 2000 cm.

Organic molecules having two non-conjugated bridges between a donor and an acceptor for effective thermally activated delayed fluorescence for use in optoelectronic devices

The invention relates to a composition having an organic emitter molecule, which has a &#x394;E(S&#x2212;T) value between the lowest excited singlet state (S) and the triplet state thereunder of less than 3000 cmand an atom or molecule for reducing the intersystem crossing time constant of the organic molecule.

Organic molecules for OLEDs and other optoelectronic devices

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 describes electronic devices comprising a metal complex compound having at least one anionic ligand containing two P donors, having the formula (I), in which R1 to R4 are, independently of one another, an atom or radical from the group comprising hydrogen, a halogen, R, RO&#x2014;, RS&#x2014;, RCO&#x2014;, RCOO&#x2014;, RNH&#x2014;, R2N&#x2014;, RCONR&#x2014; and &#x2014;Si(R)X(OR)3-X, where R=a C1-C40-hydrocarbon and X=1, 2 or 3, and E is a bridge atom from the group with carbon or boron, where an atom or radical from the group with hydrogen, halogen, &#x2014;CN, R, RO&#x2014;, RS&#x2014;, RCO&#x2014;, RCOO&#x2014;, RNH&#x2014;, R2N&#x2014;, RCONR&#x2014; and &#x2014;Si(R)X(OR)3-X, where R=the C1-C40-hydrocarbon and X=1, 2 or 3, is optionally bonded to the carbon, and two radicals from the group with halogen, R, RO&#x2014;, RS&#x2014;, RCO&#x2014;, RCOO&#x2014;, RNH&#x2014;, R2N&#x2014;, RCONR&#x2014; and &#x2014;Si(R)X(OR)3-X, where R=the C1-C40-hydrocarbon and X=1, 2 or 3, are optionally bonded to the boron. The invention furthermore describes a process for the production of an electronic device of this type and processes for the generation of light or blue emission using a metal complex compound of this type.

Complex compounds having anionic ligands containing two P donors and the use thereof in the opto-electronic field

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 describes electronic devices comprising a metal complex compound having at least one ligand containing an N donor and a P donor having the formula (I), in which the carbons C1 and C2 are part of an aromatic or non-aromatic ring system F1, P and N are phosphorus and nitrogen, where the nitrogen is in sp2-hybridized form, the radicals R3 and R4 are, independently of one another, hydrogen or an alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl, alkylcycloalkyl, heteroalkyl, heterocycloalkyl, heteroalkylcycloalkyl, aryl, heteroaryl, aralkyl or heteroaralkyl radical having up to 40 C atoms, and R1 and R2 are, independently of one another, an atom or radical from the group comprising hydrogen, halogen, R, RO&#x2014;, RS&#x2014;, RCO&#x2014;, RCOO&#x2014;, RNH&#x2014;, R2N&#x2014;, RCONR&#x2014; and &#x2014;Si(R)X(OR)3-X, where R=an alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl, alkylcycloalkyl, heteroalkyl, heterocycloalkyl, heteroalkylcycloalkyl, aryl, heteroaryl, aralkyl or heteroaralkyl radical having up to 40 C atoms and X=1, 2 or 3. The invention furthermore describes a process for the production of an electronic device of this type and processes for the generation of light or blue emission using a metal complex compound of this type.

Complex compounds having a ligand containing an N donor and a P donor and the use thereof in the opto-electronic field

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.

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Sinzing, Germany

Hartmut Yersin