Patents by Inventor David Hartter

David Hartter 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).

  • Light-diffusing films, backlight display devices comprising the light-diffusing films, and methods of making the same
    Publication number: 20060263545
    Abstract: A light-diffusing film comprises about 90 wt. % to about 99.999 wt. % polycarbonate, wherein the polycarbonate comprises a yellowness index of about 0.8 to about 1.5 as measured in accordance with ASTM E313-73 (D1925); about 0.001 wt. % to about 3 wt. % light-diffusing particles; wherein weight percents are based on a total weight of the light-diffusing film; and wherein the light-diffusing film comprises a light transmission of about 45% to about 65% as measured in accordance with ASTM D1003-00, and a hiding power of 0 to about 0.5.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventors: Christopher Coenjarts, Jianbo Di, John Graf, Emine Gurel, David Hartter, Grant Hay, Todd Loehr, Philip Peters, Joseph Riello, Shixiong Zhu