A display device includes a display panel, a micro lens array, a driving system, a controller, and a signal processor. The controller is configured to set at least one preset path within one frame. The driving system is configured to drive, according to the preset path, the display panel and/or the micro lens array to move along respective preset path(s), and to control the display panel and/or the micro lens array that move along the preset path to stop moving at the stopping positions. The signal processor is configured to, in response to stopping of the display panel and/or the micro lens array at the corresponding stopping positions, provide display sub-images to the display panel according to the at least one preset path and one frame of display image.