Patents Assigned to Merck Paten GmbH Patents & Scientific Information
  • PHENANTHRENE DERIVATIVE
    Publication number: 20090026919
    Abstract: The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as host materials in the emitting layer.
    Type: Application
    Filed: September 20, 2005
    Publication date: January 29, 2009
    Applicant: Merck Paten GmbH Patents & Scientific Information
    Inventors: Philipp Stossel, Arne Busing, Horst Vestweber, Holger Heil