Patents by Inventor Randall Wentross

Randall Wentross 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).

  • Oxygen-doped thiogallate phosphor
    Patent number: 5656888
    Abstract: A novel thin-film electroluminescent (TFEL) structure for emitting light in response to the application of an electric field is disclosed. The TFEL structure includes first and second electrode layers sandwiching a TFEL stack, the stack including first and second insulator layers and a phosphor layer that includes an alkaline earth thiogallate doped with oxygen.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: August 12, 1997
    Inventors: Sey-Shing Sun, Eric R. Dickey, Richard T. Tuenge, Randall Wentross