Patents by Inventor Dennis Bellville

Dennis Bellville 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).

  • Color filter array for liquid crystal display device
    Patent number: 4877697
    Abstract: A liquid crystal display having display filter elements in registration with display electrodes. The filters are produced using color proofing films which are imaged to produce a regular pattern of dots. Filter elements are illuminated by electrodes selection to produce changeable images.
    Type: Grant
    Filed: May 26, 1988
    Date of Patent: October 31, 1989
    Assignees: Hoechst Aktiengesellschaft, Hiechst Celanese Corporation
    Inventors: Hansjoerg W. Vollmann, George S. K. Wong, Dennis Bellville