Patents by Inventor Bjoern Pampuch

Bjoern Pampuch 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).

  • Patent number: 8435647
    Abstract: The present invention is directed to the field of organic light emitting diode (OLED) electroluminescent devices comprising a novel hole-conducting material having a Spirobixanthen-unit.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: May 7, 2013
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Bjoern Pampuch, Herbert F. Boerner, Josef Salbeck
  • Publication number: 20110227054
    Abstract: The present invention is directed to the field of organic light emitting diode (OLED) electroluminescent devices comprising a novel hole-conducting material having a Spirobixanthen-unit.
    Type: Application
    Filed: November 18, 2009
    Publication date: September 22, 2011
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Bjoern Pampuch, Herbert F. Boerner, Josef Salbeck