Patents by Inventor Leonard Eymann

Leonard Eymann 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).

  • Cerium (IV) complexes and their use in organic electronics
    Patent number: 12590107
    Abstract: The present invention relates to an electronic component comprising a cerium IV complex, a doped semi-conductor matrix material comprising the cerium IV complex and at least one electron donor, the use of the cerium IV complex, especially as an organic semi-conductor, as a dopant in organic semiconductor matrix materials and as a charge injector in a charge injection layer, and new cerium IV complexes.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: March 31, 2026
    Assignee: Credoxys GmbH
    Inventors: Sascha Dorok, Marcus Papmeyer, Leonard Eymann
  • NEW CERIUM (IV) COMPLEXES AND THEIR USE IN ORGANIC ELECTRONICS
    Publication number: 20240247004
    Abstract: The present invention relates to new cerium (IV) complexes. Further, the present invention relates to electronically doped semiconductor materials and an electronic component comprising cerium (IV) complexes. A further object of the invention is the use of the cerium (IV) complexes as electron acceptors, especially as p-dopants and electron transport materials in organic electronic components.
    Type: Application
    Filed: March 8, 2022
    Publication date: July 25, 2024
    Inventors: Sascha Dorok, Marcus Papmeyer, Leonard Eymann
  • CERIUM-ETHYLENEDIAMINE KETONE-TYPE AND CERIUM-SALEN-TYPE COMPLEXES AND USE THEREOF IN ORGANIC ELECTRONICS
    Publication number: 20230422602
    Abstract: The present invention relates to an electronically doped semiconductor material and to an electronic component comprising cerium-ethylenediamine ketone-type and cerium-salen-type complexes. The invention also relates to the use of the cerium-ethylenediamine ketone-type and cerium-salen-type complexes as electron acceptors, especially as p-dopants and electron transport materials in organic-electronic components. The invention further relates to novel cerium-ethylenediamine ketone-type and cerium-salen-type complexes.
    Type: Application
    Filed: November 11, 2021
    Publication date: December 28, 2023
    Inventors: Sascha Dorok, Marcus Papmeyer, Leonard Eymann, Julia Stolz
  • CERIUM (IV) COMPLEXES AND THEIR USE IN ORGANIC ELECTRONICS
    Publication number: 20230092935
    Abstract: The present invention relates to an electronic component comprising a cerium IV complex, a doped semi-conductor matrix material comprising the cerium IV complex and at least one electron donor, the use of the cerium IV complex, especially as an organic semi-conductor, as a dopant in organic semiconductor matrix materials and as a charge injector in a charge injection layer, and new cerium IV complexes.
    Type: Application
    Filed: September 7, 2020
    Publication date: March 23, 2023
    Inventors: Sascha Dorok, Marcus Papmeyer, Leonard Eymann