A display device is provided. The display device includes: a backlight; and a display panel configured to create an image by selectively blocking light emitted from the backlight, the backlight including a light regulator configured to regulate emission of incident light; a light guide plate arranged behind the light regulator; and a plurality of adhesives arranged to bond the light regulator and the light guide plate, respective cross-section areas of the plurality of adhesives increasing as distance from a light source increases.