A display device is provided. The display device comprises a display panel including a plurality of display units, and a microlens array including a plurality of microlens elements disposed on top of a light emitting surface of the display panel. The plurality of microlens elements are one-to-one corresponding to the plurality of display units. In at least one direction of the display unit arrangement, a distance between a center of a microlens element and a center of the corresponding display unit gradually increases from a center of the display panel to an edge of the display panel. N number of adjacent display units together display an image and form a display unit group, wherein N is a positive integer larger than 1. Each display unit group displays a same image.