Patents by Inventor Brad E. Koerner

Brad E. Koerner 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).

  • Patent number: 7543951
    Abstract: Disclosed herein are methods and apparatus for providing a luminous writing surface, whose color, color temperature, and/or brightness are controlled to achieve a desired contrast between the writing surface and markings removably made thereon. For example, LED-based light sources and/or LED-based controllable lighting units can be employed to back-light or edge-light a transparent or translucent material thereby providing the luminous writing surface.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: June 9, 2009
    Assignee: Philips Solid-State Lighting Solutions, Inc.
    Inventors: Brad E. Koerner, Kevin J. Dowling
  • Publication number: 20070258231
    Abstract: Disclosed herein are methods and apparatus for providing a luminous writing surface, whose color, color temperature, and/or brightness are controlled to achieve a desired contrast between the writing surface and markings removably made thereon. For example, LED-based light sources and/or LED-based controllable lighting units can be employed to back-light or edge-light a transparent or translucent material thereby providing the luminous writing surface.
    Type: Application
    Filed: April 30, 2007
    Publication date: November 8, 2007
    Applicant: Color Kinetics Incorporated
    Inventors: Brad E. Koerner, Kevin J. Dowling