Patents Assigned to DPR-Ecublens
  • Double-sided electroluminescent device
    Patent number: 6208074
    Abstract: An electroluminescent device including a layer of electroluminescent organic semiconductor material between a first transparent electrode of an n-type semiconductor material selected from nitrides and inorganic oxides, and a second electrode.
    Type: Grant
    Filed: October 6, 1998
    Date of Patent: March 27, 2001
    Assignee: DPR-Ecublens
    Inventors: Marc Ilegems, Michel Schär, Libero Zuppiroli