Method and apparatus for displaying image using advanced white balance calibration

An image display apparatus using advanced white balance calibration, the apparatus comprising:

• at least one memory configured to store commands;
• and
• at least one processor,
• wherein the at least one processor is configured to:
• receive target color coordinates and target luminance;
• receive actual color coordinates and actual luminance measured from an LCD module;
• perform tristimulus conversion using one or more of the target color coordinates, the target luminance, the actual color coordinates, and the actual luminance;
• output R/G/B gain values using a white balance algorithm;
• calculate an estimated luminance value of the LCD module when the outputted R/G/B gain values are applied to the LCD module;
• compare the estimated luminance value with the target luminance value to estimate a BLU LED current required to output the target luminance value;
• predict an amount of color coordinate variation caused by the estimated BLU LED current fluctuation;
• compensate for the target color coordinates using the predicted color coordinate variation;
• and
• calculate final R/G/B gain values and applying the final R/G/B gain values to the LCD module.