Patents by Inventor Klaus Kahle

Klaus Kahle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11980086
    Abstract: 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.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: May 7, 2024
    Assignee: UDC IRELAND LIMITED
    Inventors: Martina Egen, Klaus Kahle, Markus Bold, Thomas Gessner, Christian Lennartz, Simon Nord, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete, Christian Neuber, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Publication number: 20240074302
    Abstract: 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.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 29, 2024
    Inventors: Martina Egen, Klaus Kahle, Markus Bold, Thomas Gessner, Christian Lennartz, Simon Nord, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete, Christian Neuber, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Patent number: 11692131
    Abstract: 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.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: July 4, 2023
    Assignee: UDC IRELAND LIMITED
    Inventors: Evelyn Fuchs, Martina Egen, Klaus Kahle, Christian Lennartz, Oliver Molt, Simon Nord, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Publication number: 20210387156
    Abstract: The present invention relates to processes for producing microparticles having, in their interior, at least one cavity which is connected via pores to the surface of the microparticles and which have been laden with at least one organic active of low molecular weight. The invention especially relates to a process for loading microparticles with at least one organic active of low molecular weight, wherein the active has been embedded in a matrix and/or the pores of the microparticles have been closed by means of a substance applied to the surface of the microparticles. The invention additionally relates to a process for sealing microparticles laden with at least one organic active of low molecular weight. The invention also relates to compositions of microparticles laden with at least one active of low molecular weight and to the use thereof.
    Type: Application
    Filed: October 29, 2019
    Publication date: December 16, 2021
    Inventors: Bernd Dieter OSCHMANN, Kerstin MUELHEIMS, Wolfgang KRAUSE, Patrick LEIBACH, Roland Hinrich STAFF, Dieter FLICK, Lukas MAYR, Stephanie RENZ, Felicitas GUTH, Klaus KAHLE, Stephan HUEFFER, Tobias Maximilian MERKEL, Axel BINDER, Karl KOLTER, Yean Yik GEOERG, Regina VOGELSANG, Antoine Maxime Charles Jos BEZIAU
  • Patent number: 10784448
    Abstract: 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.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: September 22, 2020
    Assignee: UDC IRELAND LIMITED
    Inventors: Peter Murer, Thomas Geßner, Christian Eickhoff, Jan Birnstock, Falk May, Klaus Kahle
  • Publication number: 20200136064
    Abstract: 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.
    Type: Application
    Filed: December 30, 2019
    Publication date: April 30, 2020
    Inventors: Martina Egen, Klaus Kahle, Markus Bold, Thomas Gessner, Christian Lennartz, Simon Nord, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete, Christian Neuber, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Patent number: 10522768
    Abstract: 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.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: December 31, 2019
    Assignee: UDC Ireland Limited
    Inventors: Martina Egen, Klaus Kahle, Markus Bold, Thomas Gessner, Christian Lennartz, Simon Nord, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete, Christian Neuber, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Publication number: 20190322929
    Abstract: 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.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Inventors: Evelyn Fuchs, Martina Egen, Klaus Kahle, Christian Lennartz, Oliver Molt, Simon Nord, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Patent number: 10385263
    Abstract: 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.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: August 20, 2019
    Assignee: UDC IRELAND LIMITED
    Inventors: Evelyn Fuchs, Martina Egen, Klaus Kahle, Christian Lennartz, Oliver Molt, Simon Nord, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Publication number: 20170237020
    Abstract: 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.
    Type: Application
    Filed: August 7, 2015
    Publication date: August 17, 2017
    Inventors: Peter Murer, Thomas Geßner, Christian Eickhoff, Jan Birnstock, Falk May, Klaus Kahle
  • Patent number: 8940904
    Abstract: 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.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: January 27, 2015
    Assignee: BASF SE
    Inventors: Evelyn Fuchs, Oliver Molt, Christian Lennartz, Jens Rudolph, Klaus Kahle, Christian Schildknecht, Thomas Strassner, Nicolle Langer
  • Publication number: 20150018544
    Abstract: 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 M1 (route A) or reacting the ligand precursor with a basic auxiliary reagent and a metal complex comprising at least one metal M1 (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.
    Type: Application
    Filed: September 9, 2014
    Publication date: January 15, 2015
    Applicant: BASF SE
    Inventors: Oliver MOLT, Evelyn FUCHS, Martina EGEN, Klaus KAHLE, Christian LENNARTZ
  • Patent number: 8877937
    Abstract: 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 M1 (route A) or reacting the ligand precursor with a basic auxiliary reagent and a metal complex comprising at least one metal M1 (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.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: November 4, 2014
    Assignee: BASF SE
    Inventors: Oliver Molt, Evelyn Fuchs, Martina Egen, Klaus Kahle, Christian Lennartz
  • Publication number: 20140309428
    Abstract: 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.
    Type: Application
    Filed: June 25, 2014
    Publication date: October 16, 2014
    Applicant: BASF SE
    Inventors: Martina EGEN, Klaus Kahle, Markus Bold, Thomas Gessner, Christian Lennartz, Simon Nord, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete, Christian Neuber, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Patent number: 8728632
    Abstract: 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.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: May 20, 2014
    Assignee: BASF SE
    Inventors: Oliver Molt, Christian Lennartz, Evelyn Fuchs, Klaus Kahle, Nicolle Langer, Christian Schildknecht, Jens Rudolph, Gerhard Wagenblast, Soichi Watanabe
  • Patent number: 8697255
    Abstract: 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.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: April 15, 2014
    Assignee: BASF SE
    Inventors: Nicolle Langer, Klaus Kahle, Christian Lennartz, Oliver Molt, Evelyn Fuchs, Jens Rudolph, Christian Schildknecht, Soichi Watanabe, Gerhard Wagenblast
  • Patent number: 8410280
    Abstract: 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 M1 (route A) or reacting the ligand precursor with a basic auxiliary reagent and a metal complex comprising at least one metal M1 (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.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: April 2, 2013
    Assignee: Basf SE
    Inventors: Oliver Molt, Evelyn Fuchs, Martina Egen, Klaus Kahle, Christian Lennartz
  • Patent number: 8383828
    Abstract: 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.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: February 26, 2013
    Assignee: BASF Aktiengesellschaft
    Inventors: Oliver Molt, Evelyn Fuchs, Christian Lennartz, Klaus Kahle, Nicolle Moonen, Christian Schildknecht, Jens Rudolph
  • Patent number: 8384068
    Abstract: 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.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: February 26, 2013
    Assignee: BASF SE
    Inventors: Klaus Kahle, Oliver Molt, Nicolle Langer, Christian Lennartz, Christian Schildknecht, Simon Nord, Evelyn Fuchs, Jens Rudolph
  • Patent number: 8373159
    Abstract: 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 visu
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: February 12, 2013
    Assignee: BASF SE
    Inventors: Nicolle Langer, Klaus Kahle, Christian Lennartz, Oliver Molt, Evelyn Fuchs, Jens Rudolph, Christian Schildknecht, Soichi Watanabe, Gerhard Wagenblast