Patents by Inventor Gene R. Carlson

Gene R. Carlson 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).

  • High durability circular polarizer for use with emissive displays
    Patent number: 6549335
    Abstract: A high durability circular polarizer includes an unprotected K-type polarizer, such as a KE polarizer sheet, and a quarter-wavelength retarder. An optical system using the circular polarizer further includes an emissive display module such as an organic light emitting diode or a plasma display device.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: April 15, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Giorgio Trapani, Richard Pawlak, Gene R. Carlson, James N. Gordon