Display device and driving method of the same

A display device, comprising:

• a display panel having a plane area and at least one curved area disposed outside of the plane area;
• a timing controller which is applied with an image signal to generate image data;
• and
• a data driver which is applied with the image data to output a data voltage to a plurality of pixels disposed in the plane area and in the at least one curved area,
• wherein the timing controller includes:
• an image analyzer which analyzes a portion of the image signal corresponding to the at least one curved area,
• wherein the image analyzer calculates a predicted luminance of the at least one curved area based on the portion of the image signal corresponding to the at least one curved area, and determines whether to increase a luminance of the at least one curved area, based on the predicted luminance of the at least one curved area;
• and
• a luminance controller which controls the portion of the image signal corresponding to the at least one curved area to increase the luminance of the at least one curved area according to the determination of the image analyzer.