Scanning backlight unit and liquid crystal display having the same

摘要

A scanning backlight unit, a liquid crystal display and television and a television are provided herein. The backlight unit including a light source unit (110,120) having plural groups of light sources (111a-n,121a-n) which emit light in a main incidence direction (X1,X2); a control unit which controls the plural groups of light sources (170); and a light guiding plate (130) having a bottom surface formed with a dispersion pattern dispersing the light received from the light source unit, wherein the dispersion pattern includes a plurality of grooves, with a groove of the plurality of grooves having a shape with a first size parallel to the main incidence direction and a second size perpendicular to the main incidence direction, and wherein the first size is larger than the second size, and wherein the light guide plate carries on top, lenticular lenses extending along the said main direction.