Patent ID: 8836625

Claim:
A display device, comprising: a liquid crystal display unit; and a controller that includes a plurality of gray compensation look-up tables (LUTs) respectively corresponding to a plurality of temperature intervals, wherein the controller comprises: a memory storing the gray compensation LUTs; an extraction unit extracting compensation data from the gray compensation LUTs; a subtraction unit generating difference data; a multiplier unit multiplying the difference data by a compensation proportion parameter to generate a temperature compensation value; and a summation unit generating compensated gray data, wherein when a peripheral temperature of the display device is included in at least one of the temperature intervals, the extraction unit extracts first compensation data from the gray compensation LUT corresponding to the temperature interval that includes the peripheral temperature, and outputs the first compensation data to the liquid crystal display unit as compensated gray data, wherein when the peripheral temperature of the display device is not included in any of the temperature intervals, the extraction unit extracts a second compensation data from the gray compensation LUT corresponding to one of the temperature intervals having a temperature approximating the peripheral temperature, the subtraction unit generates the difference data relating to a difference between current gray data and the second compensation data, the multiplier unit multiplies the difference data by the compensation proportion parameter to generate the temperature compensation value, and the summation unit sums the temperature compensation value and the current gray data to generate the compensated gray data, wherein if Gn represents the current gray data and if Gc represents the second compensation data, the difference data generated from the subtraction unit is Gn−Gc.