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APPARATUS FOR COMPENSATING COLOR CHARACTERISTICS IN DISPLAY DEVICE AND COMPENSATING METHOD THEREOF

  • US 20140306979A1
  • Filed: 01/17/2014
  • Published: 10/16/2014
  • Est. Priority Date: 04/10/2013
  • Status: Active Grant
First Claim
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1. A display device, comprising:

  • a display unit including a plurality of pixels to display images according to compensated image data signals;

    a test data input section connected to a display unit to transmit a predetermined test image data signal to the pixels of the display unit to display a test image;

    a luminance measuring unit configured to receive luminance information from the display unit displaying the test image according to the test image data signal, and determine actual luminance ratios of a first color, a second color, and a third color from the received luminance information;

    a compensation ratio determiner configured to calculate a compensation ratio for compensating color errors of the first color, the second color, and the third color using the actual luminance ratios of the first color, the second color, and the third color; and

    a data compensator configured to generate the compensated image data signals by adjusting external input video signals according to the compensation ratio and to transmit the compensated image data signals to the display panel.

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