A display apparatus including a liquid crystal display (LCD) panel, a light source unit including a plurality of point light sources to provide light to the LCD panel and divided into a plurality of light source areas, a plurality of light source driving parts to supply electric power to the plurality of light source areas, a brightness sensor to sense a brightness of the light source unit, and a light source controller to control the light source driving part based on the brightness sensed by the brightness sensor so that the light source unit provides light of uniform brightness.