Patents by Inventor Diarmuid F. O'Brien

Diarmuid F. O'Brien 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: 6097147
    Abstract: A light emitting device including a pixel having a substantially transparent anode; a hole transporting layer over the anode; an emission layer over the hole transporting layer; a blocking layer over the emission layer; an electron transporting layer over the blocking layer; and a cathode in electrical contact with the electron transporting layer.
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: August 1, 2000
    Assignee: The Trustees of Princeton University
    Inventors: Marc A Baldo, Diarmuid F. O'Brien, Stephen R. Forrest