BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME

摘要

The present invention relates to a backlight unit and a liquid crystal display device comprising the same. The backlight unit comprises: a light guide plate for guiding light; and a lamp assembly which includes a substrate extended in one direction and a plurality of LED packages arranged on the substrate along a longitudinal direction of the substrate, and is placed to face one side of the light guide plate to emit light toward the one side of the light guide plate. Each of the LED packages includes a first LED chip of a first color, a second LED chip of a second color different from the first color, and a phosphor of a third color different from the first and second colors, and comprises a sealing portion covering the first LED chip and the second LED chip. The first LED chip and the second LED chip are arranged in a longitudinal direction of the substrate and arranged to be opposite each other in a width direction of the substrate.