DISPLAY DEVICE AND MOBILE ELECTRONIC DEVICE INCLUDING THE SAME

原文（中文）

A display device and a mobile electronic device are provided. The display device includes a display panel, which includes a display element layer including a light emitting element, an encapsulation layer on the display element layer, and an optical layer on the encapsulation layer, the optical layer including a plurality of lenses, and a pancake lens unit on the display panel, the pancake lens unit including at least one first pancake lens element including a plastic material and at least one second pancake lens element including a glass material.