Backlight unit and liquid crystal display employing the same

摘要

A backlight unit and an LCD employing the backlight unit are provided. The backlight unit includes: a plurality of division areas; a light source which is able to be lighted and is disposed on one sidewall surface of a barrier rib defining the plurality of division areas; and a heat radiation device disposed on an opposite wall surface of the barrier rib to the one sidewall surface, wherein each of the plurality of division areas is constructed to bi-divide light reflection and heat radiation.