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DISPLAY DEVICE WITH A BACKLIGHT

  • US 20090160756A1
  • Filed: 04/23/2007
  • Published: 06/25/2009
  • Est. Priority Date: 05/09/2006
  • Status: Abandoned Application
First Claim
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1. A display device comprisingan image display unit (2) configured to display an image,a backlight (6) comprising at least one group (4) of light emitting sources arranged on a substrate (3), said at least one group (4) comprising at least a red (R), a green (G), a blue (B) and a white (W) light emitting source, anda backlight control unit (7) configured to:

  • identify red, green and blue specific drive levels (Rspec, Gspec, Bspec) for the red, green and blue light sources in said at least one group (4) of light emitting sources,set a white drive level (Wdrive) for said at least one white light source in said at least one group (4) in dependence of the red, green and blue specific drive levels, andgenerating red, green and blue actual drive levels (R, G, B) from the red, green and blue specific drive levels (Rspec, Gspec, Bspec) and the white drive level.

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