Patents by Inventor Ernest M. Thurber

Ernest M. Thurber 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).

  • Polyimide angularity enhancement layer
    Patent number: 6074709
    Abstract: An angularity enhancement layer in a liquid crystal display, which display comprises a liquid crystal cell, wherein the angularity enhancement layer includes a negative birefringent polyimide layer comprising a plurality of structural units having pendant fluorene groups, said angularity enhancement layer being disposed on at least one surface of said liquid crystal cell. A liquid crystal display can comprise an angularity enhancement construction of the invention which comprises a polyimide layer.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: June 13, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Stephen A. Ezzell, Hassan Sahouani, Ernest M. Thurber