A display device includes a main body; a first rotatable shaft included in a first portion of the main body; a second rotatable shaft included in a second portion of the main body, the second portion being opposite to the first portion; a motor disposed inside the main body, and connected to at least one of the first rotatable shaft and the second rotatable shaft; a transparent wire including a first end connected to the first rotatable shaft and a second end connected to the second rotatable shaft; a plurality of light emitting diodes (LEDs) included inside the transparent wire in a longitudinal direction of the transparent wire; a driving circuit configured to drive the plurality of LEDs; and a processor configured to control the motor to rotate the transparent wire, and to provide an image frame to the driving circuit to display an image by rotation of the transparent wire.