Patents by Inventor Steffen Willmann

Steffen Willmann 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).

  • Publication number: 20240415007
    Abstract: The present invention relates to an organic electronic device comprising a substrate, an anode layer, a cathode layer, at least one first emission layer, and a hole injection layer, wherein the hole injection layer comprises a metal complex of formula (I) and a compound of formula (II), wherein the hole injection layer is arranged between the anode layer and the at least one first emission layer.
    Type: Application
    Filed: September 19, 2022
    Publication date: December 12, 2024
    Inventors: Vladimir Uvarov, Steffen Willmann, Ulrich Heggemann
  • Publication number: 20240397744
    Abstract: The present invention relates to an organic electronic device comprising a substrate, an anode layer, a cathode layer, at least one first emission layer, and a hole injection layer, wherein the hole injection layer comprises a metal complex, wherein the metal complex has the formula (I): Formula (I).
    Type: Application
    Filed: September 19, 2022
    Publication date: November 28, 2024
    Inventors: Vladimir Uvarov, Steffen Willmann, Ulrich Heggemann
  • Publication number: 20240397812
    Abstract: The present invention relates to organic electronic device comprising a substrate, an anode layer, a cathode layer, at least one first emission layer, and a hole injection layer, wherein the hole injection layer comprises a metal complex, wherein the metal complex comprises a metal ion M selected from Ce(IV), Hf(IV) or Zr(IV) as well as a metal complex.
    Type: Application
    Filed: September 19, 2022
    Publication date: November 28, 2024
    Inventors: Vladimir Uvarov, Steffen Willmann, Ulrich Heggemann, Piermaria Pinter
  • Publication number: 20240383935
    Abstract: The present invention relates to a metal complex, a semiconductor layer comprising the metal complex and an organic electronic device comprising at least one metal complex thereof.
    Type: Application
    Filed: September 19, 2022
    Publication date: November 21, 2024
    Inventors: Vladimir Uvarov, Steffen Willmann, Ulrich Heggemann
  • Publication number: 20240381760
    Abstract: The present invention relates to a compound represented by Formula (I) wherein M is Cu, Zn, Al, Hf; or Formula (V).
    Type: Application
    Filed: September 19, 2022
    Publication date: November 14, 2024
    Inventors: Vladimir Uvarov, Steffen Willmann, Ulrich Heggemann
  • Publication number: 20240292655
    Abstract: The present invention relates to active-matrix OLED display, comprising a plurality of OLED pixels, wherein each pixel itself comprises a stack of organic layers and each layer of the stack of organic layers can form a common semiconductor layer, wherein—at least a first OLED pixel and a second OLED pixel comprising—an anode layer, —a common cathode layer, —at least one emission layer, which is optional a common emission layer, at least a stack of organic layers, wherein the stack of organic layers is arranged between the anode layer and cathode layer.
    Type: Application
    Filed: June 15, 2022
    Publication date: August 29, 2024
    Inventors: Oliver Langguth, Thomas Rosenow, Steffen Runge, Vladimir Uvarov, Ulrich Heggemann, Steffen Willmann
  • Publication number: 20240292740
    Abstract: The present invention is directed to benzo diphenyl fluorene compound, represented by formula (I).
    Type: Application
    Filed: June 15, 2022
    Publication date: August 29, 2024
    Inventors: Vladimir Uvarov, Ulrich Heggemann, Steffen Willmann, Piermaria Pinter, Moo Jin Park
  • Publication number: 20240292735
    Abstract: The present invention relates to an organic electroluminescent device comprising a substrate, an anode layer and a cathode layer, at least one light emitting layer, and at least one semiconductor layer or more, wherein the at least one semiconductor layer comprises at least one metalorganic compound, comprising a metal M and at least one ligand L, wherein the ligand L is preferably 4-(2,4-dioxopentan-3-yl)-2,6-bis(trifluoromethyl)benzonitrile (I) and the metalorganic compound is preferably bis(trifluoromethyl) phenyl)-4-oxopent-2-en-2-yl)oxy)copper(II) (G1) or the corresponding aluminium(III) and iron(III) complexes. Technical data of organic electroluminescent devices comprising said metalorganic compounds is provided in table 3.
    Type: Application
    Filed: June 15, 2022
    Publication date: August 29, 2024
    Inventors: Vladimir Uvarov, Ulrich Heggemann, Steffen Willmann, Regina Luschtinetz
  • Publication number: 20240292727
    Abstract: The present invention relates to a method for preparation of a p-type semiconducting layer, a p-type semiconducting layer obtained by said method, an organic electronic device comprising the p-type semiconducting layer, a display device comprising the organic electronic device, a metal compound and a use of said metal compound for the p-type semiconducting layer.
    Type: Application
    Filed: June 15, 2022
    Publication date: August 29, 2024
    Inventors: Vladimir Uvarov, Ulrich Heggemann, Steffen Willmann
  • Publication number: 20240107793
    Abstract: The present invention relates to an active-matrix OLED display, comprising a plurality of OLED pixels, wherein each pixel itself comprises a stack of organic layers and each layer of the stack of organic layers can form a common semiconductor layer, wherein—at least a first OLED pixel and a second OLED pixel comprising—an anode layer, —a common cathode layer, —at least a stack of organic layers, comprising a plurality of semiconductor layers.
    Type: Application
    Filed: June 15, 2022
    Publication date: March 28, 2024
    Inventors: Oliver Langguth, Thomas Rosenow, Steffen Runge, Benjamin Schulze, Max Peter Nüllen, Jakob Jacek Wudarczyk, Vladimir Uvarov, Ulrich Heggemann, Steffen Willmann
  • Publication number: 20230247896
    Abstract: The present invention relates to compound represented by Formula (I) wherein M is a metal; L is a charge-neutral ligand, which coordinates to the metal M; n is an integer selected from 1 to 4, which corresponds to the oxidation number of M; m is an integer selected from 0 to 2; R1, R2 and R3 are substituents, wherein at least one R1, R2 and/or R3 is selected from a substituted C2 to C24 heteroaryl group, wherein at least one substituent is selected from halogen, F, Cl, CN, partially or fully fluorinated C1 to C6 alkyl, partially or fully fluorinated C1 to C6 alkoxy. The present invention also relates to a semiconductor material comprising at least one compound of formula (I), an semiconductor layer comprising at least one compound of formula (I) and an electronic device comprising at least one compound of formula (I). Exemplary compounds are e.g. metal complexes of 3-(2,3,5-trifluoro-6-(trifluoromethyl)pyridin-4-yl)pentane-2,4-dione, such as e.g.
    Type: Application
    Filed: July 26, 2021
    Publication date: August 3, 2023
    Inventors: Vladimir Uvarov, Max Peter Nüllen, Ulrich Heggemann, Markus Hummert, Steffen Willmann, Regina Luschtinetz
  • Publication number: 20230242562
    Abstract: The present invention relates to a compound of Formula (I) wherein M is a metal; L is a charge-neutral ligand, which coordinates to the metal M; n is an integer selected from 1 to 4, which corresponds to the oxidation number of M; m is an integer selected from 0 to 2; R1, R2 and R3 are substituents, wherein at least one R1, R2 and/or R3 is selected from a substituted C6 to C24 aryl group, wherein at least one substituent of the substituted C6 to C24 aryl group is selected from CN or partially or fully fluorinated C1 to C12 alkyl. The present invention also relates to a semiconductor material comprising at least one compound of formula (I), an semiconductor layer comprising at least one compound of formula (I) and an electronic device comprising at least one compound of formula (I). Exemplary compounds are e.g. metal complexes of 4-(2,4-dioxopent-3-yl)-2,3,5,6-tetrafluorobenzonitrile, such as e.g. Fe, Al and Cu complexes thereof.
    Type: Application
    Filed: July 26, 2021
    Publication date: August 3, 2023
    Inventors: Vladimir Uvarov, Max Peter Nüllen, Ulrich Heggemann, Markus Hummert, Steffen Willmann, Regina Luschtinetz
  • Publication number: 20230097962
    Abstract: The present invention relates to an organic electronic device comprising a semiconductor layer which comprises a compound of formula (1).
    Type: Application
    Filed: December 17, 2020
    Publication date: March 30, 2023
    Inventors: Vladimir Uvarov, Ulrich Heggemann, Steffen Willmann
  • Publication number: 20230056395
    Abstract: The present invention relates to an organic electronic device comprising a semiconductor layer which comprises a compound of formula (1).
    Type: Application
    Filed: December 17, 2020
    Publication date: February 23, 2023
    Inventors: Vladimir Uvarov, Markus Hummert, Ulrich Heggemann, Steffen Willmann
  • Publication number: 20230006155
    Abstract: The present invention relates to an organic electronic device comprising a semiconductor layer which comprises a compound of formula (1).
    Type: Application
    Filed: December 17, 2020
    Publication date: January 5, 2023
    Inventors: Vladimir Uvarov, Markus Hummert, Ulrich Heggemann, Steffen Willmann
  • Patent number: 11342504
    Abstract: The present invention relates to oxocarbon-, pseudooxocarbon- and radialene compounds as well as to their use as doping agent for doping an organic semiconductive matrix material, as blocker material, as charge injection layer, as electrode material as well as organic semiconductor, as well as electronic components and organic semiconductive materials using them.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: May 24, 2022
    Assignee: Novaled GmbH
    Inventors: Horst Hartmann, Olaf Zeika, Andrea Lux, Steffen Willmann
  • Publication number: 20220119500
    Abstract: Herein is reported a method for producing a bispecific antibody comprising a first antigen-binding site that specifically binds to a first antigen and a second antigen-binding site that specifically binds to a second antigen comprising the following steps a) cultivating a cell comprising a nucleic acid encoding the bispecific antibody, b) recovering the bispecific antibody from the cell or the cultivation medium, c) contacting the bispecific antibody with an affinity chromatography material, d) washing the affinity chromatography material with a low conductivity aqueous solution, wherein the low conductivity aqueous solution has a conductivity value of about 0.5 mS/cm or less, e) recovering the bispecific antibody from the affinity chromatography material, f) performing a further chromatography step and thereby producing the bispecific antibody.
    Type: Application
    Filed: June 1, 2021
    Publication date: April 21, 2022
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Roberto FALKENSTEIN, Eva ROSENBERG, Agathe BIALAS, Steffen WILLMANN
  • Patent number: 10886491
    Abstract: Process for preparing a metal containing layer, the process comprising (i) at least one step of co-vaporization, at a pressure which is lower than 10?2 Pa, of a) at least one first metal selected from Li, Na, K, Rb and Cs and b) at least one second metal selected Mg, Zn, Hg, Cd and Te from a metal alloy provided in a first vaporization source which is heated to a temperature between 100° C. and 600° C., and (ii) at least one subsequent step of deposition of the first metal on a surface having a temperature which is below the temperature of the first vaporization source, wherein in step (i), the alloy is provided at least partly in form of a homogeneous phase comprising the first metal and the second metal, electronic devices comprising such materials and process for preparing the same.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: January 5, 2021
    Assignee: Novaled GmbH
    Inventors: Tomas Kalisz, Francois Cardinali, Jerome Ganier, Uwe Gölfert, Vygintas Jankus, Carsten Rothe, Benjamin Schulze, Steffen Willmann
  • Patent number: 10811608
    Abstract: The present invention relates to a semiconducting material comprising (i) a substantially covalent matrix material consisting of at least one substantially covalent matrix compound, (ii) at least one first metal selected from the group consisting of Li, Na, K, Rb, and Cs, and (iii) at least one second metal selected from the group consisting of Zn, Hg, Cd and Te, electronic devices comprising such materials and processes for preparing the same.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: October 20, 2020
    Assignee: Novaled GmbH
    Inventors: Tomas Kalisz, Francois Cardinali, Jerome Ganier, Uwe Gölfert, Vygintas Jankus, Carsten Rothe, Benjamin Schulze, Steffen Willmann
  • Publication number: 20200152873
    Abstract: The present invention relates to oxocarbon-, pseudooxocarbon- and radialene compounds as well as to their use as doping agent for doping an organic semiconductive matrix material, as blocker material, as charge injection layer, as electrode material as well as organic semiconductor, as well as electronic components and organic semiconductive materials using them.
    Type: Application
    Filed: January 13, 2020
    Publication date: May 14, 2020
    Inventors: Horst Hartmann, Olaf Zeika, Andrea Lux, Steffen Willmann