×

LOCAL DIMMING DRIVING METHOD AND DEVICE OF LIQUID CRYSTAL DISPLAY DEVICE

  • US 20110141154A1
  • Filed: 08/10/2010
  • Published: 06/16/2011
  • Est. Priority Date: 12/11/2009
  • Status: Active Grant
First Claim
Patent Images

1. A local dimming driving method of a liquid crystal display device, the local dimming driving method comprising:

  • analyzing input image data in units of blocks and determining a local dimming value per block;

    performing spatial filtering with respect to the local dimming value per block;

    repeating spatial filtering by a predetermined repeat count; and

    controlling luminance of a backlight unit on a block-by-block basis using the local dimming value per block controlled by spatial filtering.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×