Patents by Inventor Greg Ward

Greg Ward 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 dynamic range display devices
    Publication number: 20050185272
    Abstract: A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.
    Type: Application
    Filed: April 22, 2005
    Publication date: August 25, 2005
    Inventors: Lorne Whitehead, Greg Ward, Wolfgang Stuerzlinger, Helge Seetzen
  • High dynamic range display devices
    Publication number: 20050162737
    Abstract: A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. The screen is illuminated with light from a light source comprising an array of controllable light-emitters. The controllable-emitters and elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.
    Type: Application
    Filed: March 13, 2003
    Publication date: July 28, 2005
    Inventors: Lorne Whitehead, Helge Seetzen, Don Graham, Greg Ward, Wolfgang Stuerzlinger
  • High dynamic range display devices
    Patent number: 6891672
    Abstract: A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: May 10, 2005
    Assignee: The University of British Columbia
    Inventors: Lorne Whitehead, Greg Ward, Wolfgang Stuerzlinger, Helge Seetzen
  • High dynamic range display devices
    Publication number: 20040095558
    Abstract: A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.
    Type: Application
    Filed: August 27, 2003
    Publication date: May 20, 2004
    Inventors: Lorne Whitehead, Greg Ward, Wolfgang Stuerzlinger, Helge Seetzen