Basf Se Corporation

Udc Ireland Limited

Basf Aktiengesellschaft

Klaus Kahle

Christian Lennartz

Oliver Molt

Christian Schildknecht

Evelyn Fuchs

Jens Rudolph

Nicolle Langer

Gerhard Wagenblast

Simon Nord

Martina Egen

Soichi Watanabe

Wolfgang Kowalsky

Hans-Hermann Johannes

Hans-Werner Schmidt

Thomas Gessner

Mukundan Thelakkat

Christian Neuber

Peter Murer

Jan Birnstock

Markus Baete

Markus Bold

Christian Eickhoff

Thomas Geßner

Thomas Strassner

Falk May

Nicolle Moonen

The present invention relates to the use of transition metal-carbene complexes in organic light-emitting diodes (OLEDs), to a light-emitting layer, to a blocking layer for electrons or excitons, or to a blocking layer for holes, each comprising these transition metal-carbene complexes, to OLEDs comprising these transition metal-carbene complexes, to devices which comprise an inventive OLED, and to transition metal-carbene complexes.

Use of transition metal carbene complexes in organic light-emitting diodes (OLEDs)

The present invention relates to heteroleptic carbene complexes comprising at least two different carbene ligands, to a process for preparing the heteroleptic carbene complexes, to the use of the heteroleptic carbene complexes in organic light-emitting diodes, to organic light-emitting diodes comprising at least one inventive heteroleptic carbene complex, to a light-emitting layer comprising at least one inventive heteroleptic carbene complex, to organic light-emitting diodes comprising at least one inventive light-emitting layer, and to devices which comprise at least one inventive organic light-emitting diode.

Heteroleptic transition metal-carbene complexes and their use in organic light-emitting diodes

Metal carbene complexes comprising at least one imidazo-quinoxaline ligand, organic electronic devices, especially OLEDs (Organic Light-Emitting Diodes) which comprise such complexes, a light-emitting layer comprising at least one inventive metal carbene complex, an apparatus selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, the use of such a metal carbene complex for electrophotographic photoreceptors, photoelectric converters, organic solar cells (organic photovoltaics), switching elements, organic light emitting field effect transistors (OLEFETs), image sensors, dye lasers and electroluminescent devices and a process for preparing such metal carbene complexes.

Electroluminescent imidazo-quinoxaline carbene metal complexes

Heteroleptic transition metal-carbene complexes and their use in organic light-emitting diodes (OLEDS)

The present invention relates to the use of transition metal-carbene complexes, in which the carbene ligand(s) is bonded to the transition metal exclusively via carbene carbon atoms, in organic light-emitting diodes, to organic light-emitting diodes comprising at least one aforementioned transition metal-carbene complex, to a light-emitting layer comprising at least one aforementioned transition metal-carbene complex, to organic light-emitting diodes comprising at least one inventive light-emitting layer, and to devices which comprise at least one inventive organic light-emitting diode.

Use of transition metal-carbene complexes which do not comprise any cyclometallation via non-carbenes in OLEDs

Process for preparing cyclometallated transition metal-carbene complexes comprising at least one carbene ligand, which comprises reacting a ligand precursor with a base, an auxiliary reagent and a metal complex comprising at least one metal M(route A) or reacting the ligand precursor with a basic auxiliary reagent and a metal complex comprising at least one metal M(route B). The present invention further relates to the use of an auxiliary reagent selected from among salts comprising at least one metal selected from the group consisting of Ag, Hg, Sb, Mg, B and Al together with a base in a process for preparing cyclometallated metal complexes.

Process for preparing transition metal-carbene complexes

Bridged cyclometalated carbene complexes, a process for preparing the bridged cyclometalated carbene complexes, the use of the bridged cyclometalated carbene complexes in organic light-emitting diodes, organic light-emitting diodes comprising at least one inventive bridged cyclometalated carbene complex, a light-emitting layer comprising at least one inventive bridged cyclometalated carbene complex, organic light-emitting diodes comprising at least one inventive light-emitting layer and devices which comprise at least one inventive organic light-emitting diode.

Metal complexes comprising bridged carbene ligands and use thereof in OLEDs

The present invention relates to an organic light-emitting diode comprising an anode and a cathode Ka and a light-emitting layer E and if appropriate at least one further layer, where the light-emitting layer E and/or the at least one further layer comprises at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides, to a light-emitting layer comprising at least one of the aforementioned compounds, to the use of the aforementioned compounds as matrix material, hole/exciton blocker material, electron/exciton blocker material, hole injection material, electron injection material, hole conductor material and/or electron conductor material, and to a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination units comprising at least one inventive organic light-emitting diode.

Organic light-emitting diodes comprising at least one disilyl compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzopholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides

The present invention relates to heteroleptic carbene complexes comprising both carbene ligands and heterocyclic noncarbene ligands, to a process for preparing the heteroleptic carbene complexes, to the use of the heteroleptic carbene complexes in organic light-emitting diodes, to organic light-emitting diodes comprising at least one inventive heteroleptic carbene complex, to a light-emitting layer comprising at least one inventive heteroleptic carbene complex, to organic light-emitting diodes comprising at least one inventive light-emitting layer, and to devices which comprise at least one inventive organic light-emitting diode.

Transition metal complexes comprising one noncarbene ligand and one or two carbene ligands and their use in OLEDs

The present invention relates to the use of (hetero)aryl-substituted acridine derivatives as matrix materials in a light-emitting layer of organic light-emitting diodes (OLEDs) and/or in a blocking layer for electrons in organic light-emitting diodes. The present invention further relates to a light-emitting layer which comprises at least one emitter material and at least one matrix material, wherein the matrix material used is at least one (hetero)aryl-substituted acridine derivative, and to an organic light-emitting diode which comprises at least one inventive light-emitting layer, to an organic light-emitting diode which comprises at least one acridine derivative of the formula (I) in a blocking layer for electrons, and to a device selected from stationary and mobile visual display units and illumination units which comprise at least one inventive organic light-emitting diode.

Use of acridine derivatives as matrix materials and/or electron blockers in OLEDs

The present invention relates to an organic light-emitting diode comprising an anode An and a cathode Ka and a light-emitting layer E which is arranged between the anode An and the cathode Ka and comprises at least one carbene complex and if appropriate at least one further layer, where the light-emitting layer E and/or the at least one further layer comprises at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides, to a light-emitting layer comprising at least one of the aforementioned compounds and at least one carbene complex, to the use of the aforementioned compounds as matrix material, hole/exciton blocker material, electron/exciton blocker material, hole injection material, electron injection material, hole conductor material and/or electron conductor material, and to a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination units comprising at least one inventive organic light-emitting diode; to selected disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides, and to processes for their preparation.

Organic light-emitting diodes comprising carbene-transition metal complex emitter, and at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene s-oxides and disilyldibe

Transition metal complexes with bridged carbene ligands and use thereof in OLEDs

The present invention relates to an organic light-emitting diode which has a light-emitting layer C which comprises at least one hole-conducting material CA and at least one phosphorescence emitter CB, to mixtures comprising at least one carbene complex in combination with at least one hole-conducting material or in combination with at least one phosphorescence emitter, and to the use of mixtures comprising at least one hole-conducting material and at least one phosphorescence emitter as a light-emitting layer in OLEDs for prolonging the lifetime of the light-emitting layer. The inventive organic light-emitting diode may have, in at least one of the layers of the organic light emitting diode, preferably in the hole-blocking layer and/or the electron-blocking layer and/or the light-emitting layer C, in addition to the hole-conducting material CA and the emitter CB, at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides.

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Ludwigshafen, Germany

Klaus Kahle