DISPLAY DEVICE THAT DISPLAYS A THREE-DIMENSIONAL (3D) IMAGE AND A TWO-DIMENSIONAL (2D) IMAGE

A display device includes: a display panel displaying a three-dimensional (3D) image in a first mode and displaying a two-dimensional (2D) image in a second mode; a switchable lens layer disposed on the display panel and including a resin; a resin supply part connected to the switchable lens layer and supplying the resin to the switchable lens layer; and a magnetic field generator applying a magnetic field to the resin supply part when in the second mode, wherein the resin moves from the resin supply part to the switchable lens layer when in the first mode and is stored in the resin supply part when in the second mode.