Data compensator to mitigate luminance distortion of display device

A display device, comprising:

• a display panel including a plurality of pixels;
• a data compensator to generate compensated R, G, and B data based on R, G, and B data of a first pixel among the pixels;
• a timing controller to generate a data driver control signal and a scan driver control signal based on the compensated R, G, and B data;
• a data driver to generate a plurality of data signals based on the data driver control signal, the data driver to provide the data signals to the pixels through a plurality of data signal lines;
• and
• a scan driver to generate a plurality of scan signals based on the scan driver control signal, the scan driver to provide the scan signals to the pixels through a plurality of scan signal lines, wherein the data compensator includes:
• a reference voltage drop generator to generate R, G, and B reference voltage drops corresponding to R, G, and B data of the first pixel;
• a voltage drop measurer to calculate pixel voltage drops of the pixels based on R, G, and B data of the pixels, which are sequentially input as R, G, and B data of the first pixel, the pixel voltage drops corresponding to voltage drops along wires that carry the R, G, and B data to the pixels including the first pixel, the voltage drop measurer to output a first pixel voltage drop of the first pixel;
• a compensation data generator to generate R, G, and B compensation data to compensate a distortion of the first pixel based on the first pixel voltage drop and the R, G, and B reference voltage drops, at least two of the R, G, and B compensation data being different based on differences in the first pixel voltage drop and the R, G, and B reference voltage drops, the distortion generated by the first pixel voltage drop;
• and
• an output block to generate the compensated R, G, and B data by adding the R, G, and B data of the first pixel and the R, G, and B compensation data, respectively.

A non-transitory computer-readable medium for storing code for controlling operation of a display device, the display device including a processor to execute the code, the code comprising:

• first code to be executed by the processor to generate R, G, and B reference voltage drops corresponding to R, G, and B data of a first pixel among a plurality of pixels;
• second code to be executed by the processor to calculate pixel voltage drops of the pixels based on R, G and B data of the pixels, which are sequentially input as the R, G and B data of the first pixel, the pixel voltage drops corresponding to voltage drops along wires that carry the R, G, and B data to the pixels including the first pixel, and to output a first pixel voltage drop of the first pixel;
• third code to be executed by the processor to generate R, G, and B compensation data to compensate a luminance distortion of the first pixel and a color coordinate distortion of the first pixel based on a difference between the first pixel voltage drop and the R, G, and B reference voltage drops, at least two of the R, G, and B compensation data being different based on differences in the first pixel voltage drop and the R, G, and B reference voltage drops, the luminance distortion and the color coordinate distortion corresponding to the first pixel voltage drop;
• and
• fourth code to be executed by the processor to generate compensated R, G, and B data by adding the R, G, and B data of the first pixel and the R, G, and B compensation data, respectively.