Image display device

  • US 8,823,633 B2
  • Filed: 04/04/2011
  • Issued: 09/02/2014
  • Est. Priority Date: 04/09/2010
  • Status: Active Grant
First Claim
Patent Images

1. An image display device including a display panel, and a backlight for illuminating said display panel with light, said image display device, comprising:

  • a plurality of edge-light-scheme backlight cells including both a plurality of light sources respectively arranged to emit light in a first direction, and a light-guiding plate for introducing light from a backlight control unit for respectively controlling intensity of said light from each of said backlight cells by controlling light intensity of each of the plurality of light sources;

    whereinthe plurality of backlight cells are arranged in a matrix-like manner,said backlight control unit controlling intensity of light from a backlight cell positioned at a screen'"'"'s peripheral portion in such a manner that said intensity of said light becomes lower than intensity of light from a backlight cell positioned at a screen'"'"'s central portion, andthe backlight control unit being configured to control light intensity of light at one of the backlight cells adjacently positioned on a first end portion of the light panel which is located upstream along the first direction to become higher than light intensity of another one of the backlight cells adjacent to a second portion opposed to the first end portion.

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