Patents by Inventor Brent W. Hoffman

Brent W. Hoffman 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).

  • Appearance improvement for zone backlit LCD displays
    Patent number: 8354992
    Abstract: A liquid crystal display device includes a display panel having an active image display region, a non-image display region surrounding the active image display region, and a border area disposed between the active image display region and the non-image display region, and a backlight device adjacent to the display panel and having a plurality of light producing elements corresponding to the active image display region, wherein the border area is disposed between the active image display region and the non-image display region to diffuse light produced by the light producing elements transmitted through the display panel within the border area.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: January 15, 2013
    Assignee: TTE Indianapolis
    Inventors: Mark F. Rumreich, Brent W. Hoffman
  • Appearance improvement for zone backlit LCD displays
    Publication number: 20090015539
    Abstract: A liquid crystal display device includes a display panel having an active image display region, a non-image display region surrounding the active image display region, and a border area disposed between the active image display region and the non-image display region, and a backlight device adjacent to the display panel and having a plurality of light producing elements corresponding to the active image display region, wherein the border area is disposed between the active image display region and the non-image display region to diffuse light produced by the light producing elements transmitted through the display panel within the border area.
    Type: Application
    Filed: July 13, 2007
    Publication date: January 15, 2009
    Inventors: Mark F. Rumreich, Brent W. Hoffman
  • User selectable run-time for display device and method of reducing power consumption for display device
    Publication number: 20090015580
    Abstract: A portable display device includes at least one power input port, a battery power supply, an image display region powered by one of the at least one power input port and the battery power supply, a control system for determining receipt of external power by the at least one power input port and for determining current capacity of the battery power supply, and a selection system for selecting a run-time period for displaying images within the image display region, wherein the control system provides a first control signal to the selection system for the selection system to provide a user with a maximum available run-time period based upon the determined receipt of the external power and the determined current capacity of the battery power supply.
    Type: Application
    Filed: July 13, 2007
    Publication date: January 15, 2009
    Inventors: Brent W. Hoffman, Mark F. Rumreich