Patents by Inventor Marieta Levichkova

Marieta Levichkova 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).

  • Optoelectronic component
    Patent number: 10950811
    Abstract: An optoelectronic component includes a photoactive layer which is arranged between an electrode and a counter electrode. In addition to a donor-acceptor system, the photoactive layer includes a third material which influences the crystallization of the donor-acceptor system. The third material selected from a group consisting of crown ethers, triphenyls, sorbitols, quinacridones and bis(4-(tert-butyl)benzoato-O) hydroxyaluminium. Crown ethers are especially preferred.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: March 16, 2021
    Assignee: Heliatek GmbH
    Inventors: Karsten Walzer, Martin Pfeiffer, Andre Weiss, Christian Uhrich, Marieta Levichkova, Gunter Mattersteig
  • POLYPHENOLS AND POLYAMINO DERIVATIVES IN ORGANIC OPTOELECTRONIC COMPONENTS
    Publication number: 20200381627
    Abstract: The invention describes the use of polyphenols and polyamino derivatives adjacent to absorber layers on the basis of small molecules in organic optoelectronic components.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 3, 2020
    Inventors: Gunter Mattersteig, Marieta Levichkova, Karsten Walzer, Martin Pfeiffer-Jacob, Daniel D'souza, Olga Gerdes, Dirk Hildebrandt, Antoine Mirloup, Andre Weiss