Patents by Inventor John Penczek

John Penczek 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 electronic device display defect detection
    Patent number: 7474115
    Abstract: Defects are detected in organic electronic device displays such as organic light emitting diode (OLED) displays. An infrared camera may be used to screen displays for defects and to identify the locations of the defects. Relative hot or cold areas in a display correspond to defects and can be detected using the infrared camera.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: January 6, 2009
    Assignee: Dupont Displays, Inc.
    Inventors: Johann Thomas Trujillo, Ian D. Parker, Andrew Wesley Johnson, Lingling Wu, Dmitry Kolosov, John Penczek