A display device includes a display panel including a plurality of scan lines, a plurality of data lines, and a plurality of pixels; a scan driver including first through (N)th stages configured to provide a scan signal to the pixels via the scan lines, where N is an integer greater than 1; a data driver configured to provide a data signal to the pixels via the data lines; and a controller configured to select a normal driving mode or a power saving mode as a panel driving mode for driving the display panel, and to control the scan driver and the data driver based on the panel driving mode, wherein the first through (N)th stages progressively output the scan signal in the normal driving mode, and at least two of the first through (N)th stages simultaneously output the scan signal in the power saving mode.