Patents by Inventor Bodo Wallikewitz

Bodo Wallikewitz 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).

  • Compound and an Organic Semiconducting Layer, an Organic Electronic Device and a Display or Lighting Device Comprising the Same
    Publication number: 20220002218
    Abstract: The present invention relates to a compound of Formula (I): an organic semiconducting layer comprising the same, an organic electronic device comprising the organic semiconducting layer and a display device or a lighting device comprising the organic electronic device.
    Type: Application
    Filed: February 5, 2020
    Publication date: January 6, 2022
    Inventors: Elena Galán García, Lidia Marin, Bodo Wallikewitz
  • Organic light-emitting diode comprising different matrix compounds in the first and second electron transport layer
    Patent number: 11081652
    Abstract: The present invention is directed to matrix compounds and an organic light-emitting diode (OLED) comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and the second electron transport layer is free of a dopant; wherein at least one matrix compound of the second electron transport layer having the chemical formula Ia, Ib and/or Ic: (Ia) (Ib) (Ic) wherein Ar=substituted or unsubstituted arylene with 6 to 20 ring-forming carbon atoms; or carbazolylene; ET=substituted or unsubstituted aryl group with 13 to 40 ring-forming carbon atoms; or a substitute
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: August 3, 2021
    Assignee: Novaled GmbH
    Inventors: Ulrich Denker, Mike Zöllner, Katja Gräf, Volodymyr Senkovskyy, Bodo Wallikewitz, Johannes Scholz, Julien Frey
  • Organic light-emitting diode comprising electron transport layers with different matrix compounds
    Patent number: 10910581
    Abstract: The present invention relates to an organic light-emitting diode comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein—the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, —the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and—the second electron transport layer is free of a dopant.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: February 2, 2021
    Assignee: Novaled GmbH
    Inventors: Bodo Wallikewitz, Carsten Rothe
  • Organic light-emitting diode including an electron transport layer stack comprising different lithium compounds and elemental metal
    Patent number: 10700300
    Abstract: The present invention relates to a an organic light-emitting diode (OLED, 100) comprising at least one emission layer (150), and an electron transport layer stack (160) of at least two electron transport layers, wherein a first electron transport layer (161, 162) and a second electron transport layer (162, 161) comprises at least one matrix compound and in addition, —the at least first electron transport layer comprises a lithium halide or a lithium organic complex; and the at least second electron transport layer comprises an elemental metal selected from the group of lithium, magnesium and/or ytterbium; or—the at least first electron transport layer comprises an elemental metal selected from the group of lithium, magnesium and/or ytterbium; and the at least second electron transport layer comprises a lithium halide or a lithium organic complex; wherein the electron transport layer or layers comprising a lithium halide or a lithium organic complex is free of an elemental metal, and the electron transport lay
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: June 30, 2020
    Assignee: NOVALED GMBH
    Inventors: Bodo Wallikewitz, Carsten Rothe
  • Organic light-emitting diode including an electronic transport layer comprising a three component blend of a matrix compound and two lithium compounds
    Patent number: 10522778
    Abstract: The present invention relates to an organic light-emitting diode (100) comprising an emission layer (150) and at least one electron transport layer (161), wherein the at least one electron transport layer (161) comprises at least one matrix compound and at least two lithium compounds.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: December 31, 2019
    Assignee: Novaled GmbH
    Inventors: Francisco Bloom, Thomas Rosenow, Tobias Canzler, Bodo Wallikewitz
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20190252622
    Abstract: An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer and an electron transport layer disposed between the emission layer and the second electrode, the electron transport layer comprises a first electron transport layer disposed between the emission layer and the second electrode and a second electron transport layer disposed between the first electron transport layer and the second electrode, the first electron transport layer comprises a first metal-free compound, the second electron transport layer comprises a second metal-free compound, the first metal-free compound and the second metal-free compound are different from each other, and the second metal-free compound is represented by Formula 2 as provided herein.
    Type: Application
    Filed: July 24, 2018
    Publication date: August 15, 2019
    Inventors: Jongsoo KIM, Bodo WALLIKEWITZ, Ulrich DENKER, Joonghyuk KIM, Namheon LEE, Sunghan KIM
  • Organic light-emitting diode (OLED) including an electron transport layer stack comprising different lithium compounds
    Patent number: 10205107
    Abstract: The present invention relates to a an organic light-emitting diode (OLED) (100) comprising an emission layer and an electron transport layer stack of at least two electron transport layers (160/161), wherein a first electron transport layer (161) and a second electron transport layer (162) comprises at least one matrix compound and in addition, —the first electron transport layer (161) comprises a first lithium halide or a first lithium organic complex; and —the second electron transport layer (162) comprises a second lithium halide or a second lithium organic complex, wherein the first lithium organic complex is not the same as the second lithium organic complex; and wherein the first lithium halide is not the same as the second lithium halide.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: February 12, 2019
    Assignee: Novaled GmbH
    Inventors: Bodo Wallikewitz, Carsten Rothe
  • Organic Light-Emitting Diode Comprising Electron Transport Layers with Different Matrix Compounds
    Publication number: 20180261784
    Abstract: The present invention relates to an organic light-emitting diode comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein—the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, —the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and—the second electron transport layer is free of a dopant.
    Type: Application
    Filed: December 15, 2015
    Publication date: September 13, 2018
    Inventors: Bodo Wallikewitz, Carsten Rothe
  • Organic Light-Emitting Diode Comprising Different Matrix Compounds in the First and Second Electron Transport Layer
    Publication number: 20180145263
    Abstract: The present invention is directed to matrix compounds and an organic light-emitting diode (OLED) comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and the second electron transport layer is free of a dopant; wherein at least one matrix compound of the second electron transport layer having the chemical formula Ia, Ib and/or Ic: (Ia) (Ib) (Ic) wherein Ar=substituted or unsubstituted arylene with 6 to 20 ring-forming carbon atoms; or carbazolylene; ET=substituted or unsubstituted aryl group with 13 to 40 ring-forming carbon atoms; or a substitute
    Type: Application
    Filed: May 11, 2016
    Publication date: May 24, 2018
    Inventors: Ulrich Denker, Mike Zöllner, Katja Gräf, Volodymyr Senkovskyy, Bodo Wallikewitz, Johannes Scholz, Julien Frey
  • Organic Light-Emitting Diode Including an Electronic Transport Layer Comprising a Three Component Blend of a Matrix Compound and Two Lithium Compounds
    Publication number: 20170301876
    Abstract: The present invention relates to an organic light-emitting diode (100) comprising an emission layer (150) and at least one electron transport layer (161), wherein the at least one electron transport layer (161) comprises at least one matrix compound and at least two lithium compounds.
    Type: Application
    Filed: September 30, 2015
    Publication date: October 19, 2017
    Inventors: Francisco Bloom, Thomas Rosenow, Tobias Canzler, Bodo Wallikewitz
  • Organic Light-Emitting Diode Including an Electron Transport Layer Stack Comprising Different Lithium Compounds and Elemental Metal
    Publication number: 20170279064
    Abstract: The present invention relates to a an organic light-emitting diode (OLED, 100) comprising at least one emission layer (150), and an electron transport layer stack (160) of at least two electron transport layers, wherein a first electron transport layer (161, 162) and a second electron transport layer (162, 161) comprises at least one matrix compound and in addition, —the at least first electron transport layer comprises a lithium halide or a lithium organic complex; and the at least second electron transport layer comprises an elemental metal selected from the group of lithium, magnesium and/or ytterbium; or —the at least first electron transport layer comprises an elemental metal selected from the group of lithium, magnesium and/or ytterbium; and the at least second electron transport layer comprises a lithium halide or a lithium organic complex; wherein the electron transport layer or layers comprising a lithium halide or a lithium organic complex is free of an elemental metal, and the electron transport la
    Type: Application
    Filed: September 17, 2015
    Publication date: September 28, 2017
    Inventors: Bodo WALLIKEWITZ, Carsten ROTHE
  • Organic semiconductors
    Patent number: 9755151
    Abstract: An optoelectronic device comprising a charge transfer layer including a first semiconductive polymer comprising one or more zwitterions.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: September 5, 2017
    Assignee: CAMBRIDGE ENTERPRISE LIMITED
    Inventors: Junfeng Fang, Feng Gao, Bodo Wallikewitz, Giuseppina Pace, Richard Henry Friend, Wilhelmus T. S. Huck
  • Organic Light-Emitting Diode (OLED) Including an Electron Transport Layer Stack Comprising Different Lithium Compounds
    Publication number: 20170170411
    Abstract: The present invention relates to a an organic light-emitting diode (OLED) (100) comprising an emission layer and an electron transport layer stack of at least two electron transport layers (160/161), wherein a first electron transport layer (161) and a second electron transport layer (162) comprises at least one matrix compound and in addition, —the first electron transport layer (161) comprises a first lithium halide or a first lithium organic complex; and—the second electron transport layer (162) comprises a second lithium halide or a second lithium organic complex, wherein the first lithium organic complex is not the same as the second lithium organic complex; and wherein the first lithium halide is not the same as the second lithium halide.
    Type: Application
    Filed: July 1, 2015
    Publication date: June 15, 2017
    Inventors: Bodo Wallikewitz, Carsten Rothe
  • Phosphorescent OLED and Hole Transporting Materials for Phosphorescent OLEDs
    Publication number: 20170047519
    Abstract: The present invention relates to phosphorescent organic light-emitting diodes (OLEDs) comprising a hole-transporting or a hole-transporting and an electron-blocking layer comprising N,N,N?,N?-tetraaryl-phenylene-3,5-diamine compounds bearing in position 1 of the phenylenediamine core a 9H-fluorenyl substituent. The inventive compounds are useful as hole-transporting and electron-blocking layer matrices in phosphorescent OLEDs.
    Type: Application
    Filed: April 17, 2015
    Publication date: February 16, 2017
    Inventors: Mike Koehller, Martin Koehler, Bodo Wallikewitz
  • ORGANIC SEMICONDUCTORS
    Publication number: 20130313544
    Abstract: An optoelectronic device comprising a charge transfer layer including a first semiconductive polymer comprising one or more zwitterions.
    Type: Application
    Filed: December 16, 2011
    Publication date: November 28, 2013
    Applicant: CAMBRIDGE ENTERPRISE LIMITED
    Inventors: Junfeng Fang, Feng Gao, Bodo Wallikewitz, Giuseppina Pace, Richard Henry Friend, Wilhelmus T.S. Huck