Backlight unit, liquid crystal display device including the same, and localized dimming method thereof액정표시장치의 백라이트 유닛, 이를 포함하는 액정표시장치 및 이에 채용되는 로컬 디밍 방법
A backlight unit of a liquid crystal display device supplies light to one or more corresponding pixels of a liquid crystal display panel. The backlight unit includes a plurality of blocks formed into a matrix shape. Each block includes a light emitting diode module. The blocks in a row of the matrix are driven by a same row driving signal and the blocks in a column of the matrix are driven by a same column driving signal, to adjust luminance of the light supplied to the corresponding pixels.