Basf Aktiengesellschaft

Basf Se Corporation

Udc Ireland Limited

Other

Koninklijke Philips Corporation N.V.

Osram Opto Semiconductors Gmbh

Flint Group Germany Gmbh

Oledworks Gmbh

Osram Oled Gmbh

Sipix Imaging, Inc.

Osram Opto Semiconductor Gmbh

Basf Aktiengsellschaft

Baf Aktiengesellschaft

Idemitsu Kosan Company, Limited

Philips Intellectual Property & Standards Gmbh

Gerhard Wagenblast

Christian Lennartz

Soichi Watanabe

Nicolle Langer

Christian Schildknecht

Korinna Dormann

Oliver Molt

Evelyn Fuchs

Stefan Metz

Heinz Wolleb

Peter Murer

Ute Heinemeyer

Thomas Schaefer

Flavio Luiz Benedito

Teresa Marina Figueira Duarte

Karl-Heinz Etzbach

Sorin Ivanovici

Martin Koenemann

Jens Rudolph

Helmut Reichelt

Annemarie Wolleb

Kristina Bardon

Bernhard Albert

Volker Bach

Robert Send

Karl Siemensmeyer

Herbert Friedrich Boerner

Thomas Gessner

Klaus Kahle

Volker Van Elsbergen

Glauco Battagliarin

Peter Neumann

Guenter Schmid

Volker Schliephake

Harald Keller

Karin H Beck

Gerardus De Keyzer

Christos Vamvakaris

Heinz Friedrich Sutoris

J&uuml;rgen Schr&ouml;der

Thomas Jaworek

Gunther Lamm

Guenter Hansen

Erwin Hahn

Sylke Haremza

Karsten Heuser

Thomas Schäfer

Ralf D Krause

Christian Eickhoff

Arvid Hunze

Axel Paul

Wolfgang Hoelderich

Reiner Kober

Junji Kido

Hubert Trauth

Ernst Schefczik

Rainer Seele

Peter Erk

Norbert Schneider

Frank Meyer

Junichi Tanabe

Thorsten Habeck

Jürgen Detering

Reinhold Krallmann

Helmut Degen

Clemens Grund

Wolfgang Schrott

Harald Kuppelmaier

Hannah Stephanie Mangold

Robert Parker

Volkmar Vill

Karl-Otto Westphalen

Bruno Wuerzer

Ulrich Mueller

Uwe Kardorff

Norbert Meyer

Christoph Kuenast

Joachim Leyendecker

Hans Theobald

Günter Schmid

Ruediger Sens

Peter Hofmeister

Hisatoshi Kura

Werner Bertleff

Ying-Syi Li

Juergen Schroeder

Guenther Seybold

Stefan Karbach

Helmut Barzynski

Bernd Hisgen

Thomas Heidenfelder

Arno Boehm

Klaus D Schomann

Natalia Chebotareva

Harald Fuchs

Elisabeth Kappes

Hansulrich Reisacher

Simon Nord

Christian Ott

Jianqiang Qu

The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.

Heteroleptic carbene complexes and the use thereof in organic electronics

The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a triplet emitter X having a difference of the singlet energy (E(X)) and the triplet energy (E(X)) of less than or equal to 0.4 eV [Δ(E(X)) −(E(X))≤0.4 eV], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the triplet emitter X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the triplet emitter X(E(X)) is greater than the singlet energy of the fluorescent emitter Y(E(Y)) [(E(X))>E(Y)]. By doping, for example, an emitting layer containing a luminescent organometallic complex having a small S-Tsplitting, with a fluorescent emitter the emission decay time can significantly be shortened without sacrificing external quantum efficiency (EQE) because of very efficient energy transfer.

Highly efficient OLED devices with very short decay times

The present invention relates to metal-carbene complexes comprising a central atom selected from iridium and platinum, and diazabenzimidazolocarbene ligands, to organic light diodes which comprise such complexes, to light-emitting layers comprising at least one such metal-carbene complex, to a device selected from the group comprising illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED and to the use of such a metal-carbene complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge or exciton blocker.

Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof in OLEDS

The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a triplet emitter X having a difference of the singlet energy (E(X)) and the triplet energy (E(X)) of less than or equal to 0.4 eV [&#x394;(E(X))&#x2212;(E(X))&#x2264;0.4 eV], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the triplet emitter X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the triplet emitter X (E(X)) is greater than the singlet energy of the fluorescent emitter Y (E(Y)) [(E(X))&#x3e;E(Y)]. By doping, for example, an emitting layer containing a luminescent organometallic complex having a small S-Tsplitting, with a fluorescent emitter the emission decay time can significantly be shortened without sacrificing external quantum efficiency (EQE) because of very efficient energy transfer.

A compound of the general formula a process for the production of the compound and its use in electronic devices, especially electroluminescent devices. Improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices are provided when the compound of formula I is used as host material for phosphorescent emitters in electroluminescent devices.

Benzimidazo[1,2-a]benzimidazole derivatives for electronic applications

An organic electronic device, preferably an organic light-emitting diode (OLED), comprising at least one metal-carbene complex comprising one, two or three specific bidentate diazabenzimidazole carbene ligands; a light-emitting layer comprising said metal-carbene complex as emitter material, preferably in combination with at least one host material; the use of said metal-carbene complex in an OLED; an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, units in items of clothing, units in handbags, units in accessories, units in furniture and units in wallpaper comprising said organic electronic device, preferably said OLED, or said light-emitting layer; the metal-carbene complex comprising one, two or three specific bidentate diazabenzimidazole carbene ligands mentioned above and a process for the preparation of said metal-carbene complex.

Monosubstituted diazabenzimidazole carbene metal complexes for use in organic light emitting diodes

The present invention relates to compounds of formula a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phasphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.

4H-imidazo[1,2-a]imidazoles for electronic applications

The present invention relates to a perylene bisimide compound of formula (I) or a mixture thereof. The present invention also relates to the use of the compound in color converters, to the color converters and their use, and to lighting devices containing at least one LED and at least one of the color converters. The present invention also relates to a printing ink formulation for security printing containing at least one of the phenoxy-substituted perylene bisimide compounds.

2-phenylphenoxy-substituted perylene bisimide compounds and their use

Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof in OLEDs

The present invention relates to 1,6,7,12-tetra-(2-isopropylphenoxy)-substituted perylene tetracarboxylic acid diimides of the formula (I) wherein Rand Rindependently of each other are selected from hydrogen, C-C-alkyl, C-C-haloalkyl, C-C-cycloalkyl, C-C-aryl and C-C-aryl-C-C-alkylene, where the rings of cydoalkyi, aryl, and aryl-alkylene in the three last-mentioned radicals are unsubstituted or substituted as defined in the claims and in the description. Moreover, the present invention relates to the use of said perylene compounds, in particular to the use of said perylene compound(s) in color converters, for data transmission and in security inks for security printing. The present invention also relates to the use of said color converters, to their use in lighting devices, to lighting devices comprising at least one LED and at least said color converter and to a device producing electric power upon illumination comprising a photovoltaic cell and said color converter. 

1,6,7,12-tetra-(2-isopropylphenoxy)-substituted perylene tetracarboxylic acid diimides as color converters

The present invention relates to a cyanoaryl substituted compound of formula (I), (I) wherein m is 0-4; R, R, Rand Rare selected from hydrogen, chlorine, bromine and C-C-aryl, which carries one to three cyano; each Rindependently from each other is selected from bromine, chlorine, cyano, &#x2014;NRaRb, C-C-alkyl, C-C-haloalkyl, C1-C24-alkoxy, C-C-haloalkoxy, C-C-cycloalkyl, heterocycloalkyl, heteroaryl, C-C-aryl, C-C-aryloxy, C-C-aryl-C-C-alkylene, etc., with the proviso that at least one of the radicals R, R, R, Rand Ris C-C-aryl, which carries one to three cyano; X is O, S, SO or SO; A is a diradical of the formulae (A.1), (A.2), (A.3), or (A.4) wherein *, R, (R)n, (R)o and (R)p are as defined in the claims and in the description. The invention also relates to the use of said compound(s) in color converters, to said color converters and their use, to lighting devices, to a backlight unit for liquid crystal displays; a liquid crystal display device and a self-emissive display device comprising at least one compound (I). 

Cyanoaryl substituted benz(othi)oxanthene compounds

The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a luminescent organometallic complex X having a difference of the singlet energy (E(X)) and the triplet energy (E(X)) of of &#x2264;0.3 eV [&#x394;(E(X))&#x2212;(E(X))&#x2264;0.3], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the organometallic complex X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the luminescent organometallic complex X (E(X)) is greater than the singlet energy of the fluorescent emitter Y (E(Y)) [(E(X))&#x3e;E(Y)]. By doping, for example, an emitting layer containing a luminescent organometallic complex having a small S-Tsplitting, with a fluorescent emitter the emission decay time can significantly be shortened without sacrificing external quantum efficiency (EQE) because of very efficient energy transfer.

Organic electronics applications, especially an organic light-emitting diode (OLED), an organic solar cell (organic photovoltaics) or a switching element such as an organic transistor, for example an organic FET (Field Effect Transistor) and an organic TFT (Thin Film Transistor), comprising at least one substituted phenoxasiline derivative, a organic semiconductor layer, a host material, electron/hole/exciton blocking material or electron/hole injection material comprising at least one substituted phenoxasiline derivative, the use of a substituted phenoxasiline derivative in organic electronics applications, an organic light-emitting diode, wherein at least one substituted phenoxasiline derivative is present in the electron/hole/exciton blocking layer, the electron/hole injection layer and/or the light-emitting layer, a light-emitting layer, an electron/hole/exciton blocking layer and an electron/hole injection layer comprising at least one substituted phenoxasiline derivative and a device selected from the group consisting of stationary visual display units, mobile visual display units; illumination units; keyboards; garments; furniture and wallpaper comprising at least one organic light-emitting diode, at least one light-emitting layer, at least one electron/hole/exciton blocking layer and/or at least one electron/hole injection layer according to the present invention.

Phenoxasiline based compounds for electronic application

Growing community of inventors

Wachenheim, Germany

Gerhard Wagenblast