BACKLIGHT UNIT CAPABLE OF MINIMIZING DAMAGE OF QUANTUM DOTS AND A LIQUID CRYSTAL DISPLAY DEVICE WITH THE SAME

摘要

PURPOSE: A backlight unit and a liquid crystal display device with the same are provided to change the structure of a light incident portion of a light guide plate and insert QD(Quantum Dot)s into the light guide plate, thereby integrating the QDs with the light guide plate.;CONSTITUTION: A light guide plate(150) includes four side portions with a light incident portion(150a) and one light emitting surface. A reflecting plate(180) reflects light emitted to a lower portion of the light guide plate. A light converting element(220) provides white light to the light incident portion of the light guide plate. A light conversion element separation preventing unit(200) prevents the light converting element from being exposed to the outside.;COPYRIGHT KIPO 2012