Color correction circuit and image display apparatus including the same

A color correction circuit that is incorporated in an image display apparatus, the image display apparatus making first through third color rays, which respectively correspond to first through third colors, emitted from a display device and mixed in response to first through third color signals corresponding to the first through the third colors, so as to produce a color image, the color correction circuit compensating for a variation in chromaticity coordinate of the first color ray emitted from the display device at least with a variation in tone of the first color signal,

• the color correction circuit comprising:
• an offset output module that stores a first offset, which is to be added to the second color signal, and a second offset, which is to be added to the third color signal, at each tone of the first color signal, and outputs the first offset and the second offset according to a tone value of the first color signal;
• a first adjunction module that adds the first offset output from the offset output module to the second color signal;
• and
• a second adjunction module that adds the second offset output from the offset output module to the third color signal,
• wherein the first offset and the second offset are set to specific values that cause a chromaticity coordinate of a resulting color ray, which is emitted from the display device and is obtained by mixing the first color ray with a second color ray component and a third color ray component corresponding to the first offset and the second offset, to approach to a preset chromaticity coordinate, regardless of the tone value of the first color signal.