Patents by Inventor Martin Stadtwald-Klenke

Martin Stadtwald-Klenke 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).

  • Illuminating device
    Publication number: 20100073958
    Abstract: An illuminating device for backlighting flat displays, in particular displays for mobile applications, is provided. The illuminating device includes a light source and a light guiding member into which light emitted from the light source is coupled in and is coupled out therefrom at an exit surface. The exit surface has a surface structure including diffractive surface elements for light propagation, wherein all surface elements have a surface structure with a constant amplitude.
    Type: Application
    Filed: November 19, 2009
    Publication date: March 25, 2010
    Inventor: Martin Stadtwald-Klenke
  • Illuminating device
    Patent number: 7682062
    Abstract: An illuminating device for backlighting flat displays, in particular displays for mobile applications, is provided. The illuminating device includes a light source and a light guiding member into which light emitted from the light source is coupled in and is coupled out therefrom at an exit surface. The exit surface has a surface structure including diffractive surface elements for light propagation, wherein all surface elements have a surface structure with a constant amplitude.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: March 23, 2010
    Assignee: Nanogate Advanced Materials GmbH
    Inventor: Martin Stadtwald-Klenke
  • Illuminating device
    Publication number: 20060050532
    Abstract: An illuminating device for backlighting flat displays, in particular displays for mobile applications, is provided. The illuminating device includes a light source and a light guiding member into which light emitted from the light source is coupled in and is coupled out therefrom at an exit surface. The exit surface has a surface structure including diffractive surface elements for light propagation, wherein all surface elements have a surface structure with a constant amplitude.
    Type: Application
    Filed: September 8, 2005
    Publication date: March 9, 2006
    Inventor: Martin Stadtwald-Klenke