Patents by Inventor David Jursberg

David Jursberg 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).

  • Phosphor materials and illumination devices made therefrom
    Patent number: 7279832
    Abstract: This invention provides a phosphor material capable of absorbing primary light and converting that light into white light having a high color rendering index and illumination devices made from the phosphor material. The white light may have a color rendering index of 100 and may be produced with an efficiency of at least 30 lm/w. In one embodiment, the illumination device includes a secondary light source made from a plurality of Group IV semiconductor nanoparticles.
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: October 9, 2007
    Assignee: Innovalight, Inc.
    Inventors: Paul Thurk, David Jursberg