Display device and method of driving the same

A display device comprising:

• a display panel including a plurality of pixels;
• a scaling ratio calculator configured to calculate a scaling ratio of the display panel;
• a luminance corrector configured to generate a scaled first image data by calculating a first image data and the scaling ratio;
• an age data generator configured to generate an age data based on the scaled first image data;
• a memory configured to store the age data and the scaled first image data of a previous frame;
• a compensator configured to output a second image data based on the scaled first image data and the age data;
• a gate driver configured to provide a scan signal to the display panel through a plurality of gate lines;
• a data driver configured to provide a data signal corresponding to the second image data to the display panel through a plurality of data lines;
• and
• a timing controller configured to control driving of the gate driver and the data driver,
• wherein the age data generator generates an age data accumulated up to the previous frame by calculating a deterioration data of one frame to which a frequency weight is applied to a grayscale data of one frame based on the scaled first image data, and a previously accumulated age data.

A method of driving a display device, the method comprising steps:

• determining a frequency after data of a previous frame is stored;
• calculating a frequency weight based on the determined frequency;
• receiving a first image data;
• generating a scaled first image data by reflecting a scaling ratio on the first image data;
• generating a frame deterioration data based on the scaled first image data;
• and
• storing an age data by accumulating the deterioration data, and distinguishing and storing the scaled first image data of the previous frame.