Patents by Inventor Kelly R. Ingham

Kelly R. Ingham 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).

  • Backlight system
    Patent number: 9823404
    Abstract: An optical system includes a light source emitting light, a collimating structure to substantially collimate the light, and a converter unit to receive the substantially collimated light having an area illuminating a first aspect ratio and outputting light having an area illuminating a second aspect ratio, the second aspect ratio greater than the first aspect ratio by at least a factor of four, and a backlight light guide to receive the light from the converter unit.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: November 21, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Andrew J. Ouderkirk, Kelly R Ingham
  • BACKLIGHT SYSTEM
    Publication number: 20140347882
    Abstract: An optical system comprises a light source emitting light, a collimating structure to substantially collimate the light, a converter unit to receive the substantially collimated light having an area illuminating a first aspect ratio and outputting light having an area illuminating a second aspect ratio, the second aspect ratio greater than the first aspect ratio by at least a factor of four, and a backlight light guide to receive the light from the converter unit.
    Type: Application
    Filed: January 24, 2013
    Publication date: November 27, 2014
    Inventors: Andrew J. Ouderkirk, Kelly R. Ingham