Patents by Inventor David Zenan Ll

David Zenan Ll 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).

  • Organic Electroluminescent Materials and Devices
    Publication number: 20150236276
    Abstract: The present invention relates to metal complexes having novel ligands. The compounds are useful in organic light emitting devices (OLEDs), particularly as emitting dopants. The incorporation of these novel ligands provides red phosphorescent materials with good external quantum efficiency, good color, and long lifetime.
    Type: Application
    Filed: February 14, 2014
    Publication date: August 20, 2015
    Inventors: Pierre-Luc T. BOUDREAULT, Alexey Borisovich Dyatkin, Chuanjun Xia, Scott Joseph, David Zenan Ll, Hitoshi Yamamoto, Michael S. Weaver