Patents by Inventor Bernd P. Keller

Bernd P. Keller 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).

  • Single Crystal Phosphor Light Conversion Structures for Light Emitting Devices
    Publication number: 20080283864
    Abstract: Solid state light emitting devices include a solid state light emitting die and a light conversion structure. The light conversion structure may include a single crystal phosphor and may be on a light emitting surface of the solid state light emitting die. The light conversion structure may be attached to the light emitting surface of the solid state light emitting die via an adhesive layer. The light conversion structure may also be directly on a light emitting surface of the solid state light emitting die. Related methods are also disclosed.
    Type: Application
    Filed: May 16, 2007
    Publication date: November 20, 2008
    Inventors: Ronan P. LeToquin, Nicholas W. Medendorp, JR., Bernd P. Keller, Arpan Chakraborty
  • LED chip
    Patent number: D582866
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: December 16, 2008
    Assignee: Cree, Inc.
    Inventors: John Edmond, James Ibbetson, Michael John Bergmann, Amber Christine Salter, David Todd Emerson, Ashay Chitnis, Bernd P. Keller, Kevin Haberern
  • LED chip
    Patent number: D583338
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: December 23, 2008
    Assignee: Cree, Inc.
    Inventors: John Edmond, James Ibbetson, Michael John Bergmann, Amber Christine Salter, David Todd Emerson, Ashay Chitnis, Bernd P. Keller, Kevin Haberern