Patents by Inventor Zheng Youxuan

Zheng Youxuan 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).

  • Method of doping organic semiconductors with quinone derivatives and 1, 3, 2 - dioxaborine derivatives
    Publication number: 20050139810
    Abstract: The invention relates to the use of an organic mesomeric compound as organic dopant for doping an organic semiconducting matrix material for varying the electrical properties thereof. In order to be able to handle organic semiconductors more easily in the production process and to be able to produce electronic components with doped organic semiconductors more reproducibly, a quinone or quinone derivative or a 1,3,2-dioxaborine or a 1,3,2-dioxaborine derivative may be used as a mesomeric compound, which under like evaporation conditions has a lower volatility than tetrafluorotetracyanoquinonedimethane (F4TCNQ).
    Type: Application
    Filed: January 31, 2005
    Publication date: June 30, 2005
    Inventors: Olaf Kuehl, Horst Hartmann, Olaf Zeika, Martin Pfeiffer, Zheng Youxuan
  • Method of doping organic semiconductors with quinonediimine derivatives
    Patent number: 6908783
    Abstract: The invention relates to the use of an organic mesomeric compound as organic dopant for doping an organic semiconducting matrix material for varying the electrical properties thereof. In order to be able to handle organic semiconductors more easily in the production process and to be able to produce electronic components with doped organic semiconductors more reproducibly, it is proposed that as mesomeric compound a quinone or quinone derivative or a 1,3,2-dioxaborine or a 1,3,2-dioxaborine derivative may be used, which under like evaporation conditions has a lower volatility than tetrafluorotetracyanoquinonedimethane (F4TCNQ).
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: June 21, 2005
    Assignee: NovaLED GmbH
    Inventors: Olaf Kuehl, Horst Hartmann, Olaf Zeika, Martin Pfeiffer, Zheng Youxuan
  • METHOD OF DOPING ORGANIC SEMICONDUCTORS WITH QUINONEDIIMINE DERIVATIVES
    Publication number: 20050121667
    Abstract: The invention relates to the use of an organic mesomeric compound as organic dopant for doping an organic semiconducting matrix material for varying the electrical properties thereof. In order to be able to handle organic semiconductors more easily in the production process and to be able to produce electronic components with doped organic semiconductors more reproducibly, a quinone or quinone derivative or a 1,3,2-dioxaborine or a 1,3,2-dioxaborine derivative may be used as a mesomeric compound, which under like evaporation conditions has a lower volatility than tetrafluorotetracyanoquinonedimethane (F4TCNQ).
    Type: Application
    Filed: March 3, 2004
    Publication date: June 9, 2005
    Inventors: Olaf Kuehl, Horst Hartmann, Olaf Zeika, Martin Pfeiffer, Zheng Youxuan