Patents Assigned to Talig Corporation
  • Patent number: 4832458
    Abstract: A display comprising optical means for presenting an absence of light over a controlled viewing angle and means for selectively scattering or transmitting light in response to a prescribed input to effect a display of information within said viewing angle.
    Type: Grant
    Filed: October 5, 1987
    Date of Patent: May 23, 1989
    Assignee: Talig Corporation
    Inventors: James L. Fergason, Robert Parker
  • Patent number: 4824208
    Abstract: A display comprising optical means for presenting an absence of light over a controlled viewing angle and means for selectively scattering or transmitting light in response to a prescribed input to effect a display of information within said viewing angle.
    Type: Grant
    Filed: October 5, 1987
    Date of Patent: April 25, 1989
    Assignee: Talig Corporation
    Inventors: James L. Fergason, Robert Parker
  • Patent number: 4726662
    Abstract: A display comprising means for selectively scattering or transmitting light in response to a prescribed input and a prismatic lens means located on a non-viewing side of said scattering or transmitting means for focusing light onto a light absorbing surface to enhance the contrast of the display. Alternatively, a prismatic reflector means may be utilized to direct light toward a light absorbing surface.
    Type: Grant
    Filed: September 24, 1985
    Date of Patent: February 23, 1988
    Assignee: Talig Corporation
    Inventor: Douglas A. Cromack