A display device includes a display panel, a control circuit, and a data driving circuit. The display panel displays an image based on data voltages, and includes a display area divided into a plurality of blocks. The control circuit receives input image data, determines a boot-up area among the blocks when the input image data is a moving image, and generates output image data by increasing low-grayscale values lower than a threshold grayscale among input grayscale values of the input image data in the boot-up area. The data driving circuit generates the data voltages based on the output image data.