<p>PURPOSE: A display device is provided to prevent light from being leaked through a side of a light guide plate. CONSTITUTION: Light emitting diodes(300) are arranged on a side of a light guide plate. A light route changing unit(210) changes a route of light emitted from the light emitting diodes. A first area and a second area are defined. The first area corresponds to a light emitting surface of the light guide plate. The second part is adjacent to the first area. The light route changing unit is arranged on the second area.</p>
