Patents by Inventor Quinn Sanford

Quinn Sanford 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 suitable for display devices
    Patent number: 7905650
    Abstract: A backlight suitable for use in a display device includes an illumination device having at least one light source and a back reflector stack including a reflective layer and a transparent layer having substantially uniform refractive index and having a plurality of light-directing protrusions disposed in a matrix array. The transparent layer is disposed between the reflective layer and the illumination device with the plurality of light-directing protrusions facing away from the reflective layer. The plurality of light-directing protrusions are configured and disposed in a configuration that is not registered to any light source of the illumination device.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: March 15, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Jiaying Ma, Quinn Sanford, Ming Cheng
  • BACKLIGHT SUITABLE FOR DISPLAY DEVICES
    Publication number: 20110038140
    Abstract: A backlit display device is disclosed. The device includes a display panel and a back reflector stack that includes a plurality of diffusive areas that are disposed over a reflective layer to form a plurality of reflective areas interspersed with the diffusive areas. The device further includes an array of light sources that are disposed between the display panel and the back reflector stack. Projections of the light sources in the array of light sources onto the back reflector stack are aligned with the diffusive areas of the back reflector stack. Projections of openings between the light sources in the array of light sources are aligned with the reflective areas of the back reflector stack.
    Type: Application
    Filed: October 25, 2010
    Publication date: February 17, 2011
    Inventors: Jiaying Ma, Quinn Sanford, Ming Cheng
  • BACKLIGHT SUITABLE FOR DISPLAY DEVICES
    Publication number: 20080049419
    Abstract: A backlight suitable for use in a display device includes an illumination device having at least one light source and a back reflector stack including a reflective layer and a transparent layer having substantially uniform refractive index and having a plurality of light-directing protrusions disposed in a matrix array. The transparent layer is disposed between the reflective layer and the illumination device with the plurality of light-directing protrusions facing away from the reflective layer. The plurality of light-directing protrusions are configured and disposed in a configuration that is not registered to any light source of the illumination device.
    Type: Application
    Filed: August 25, 2006
    Publication date: February 28, 2008
    Inventors: Jiaying Ma, Quinn Sanford, Ming Cheng