BACK-LIGHT UNIT

摘要

PURPOSE: A backlight unit is provided to fill a resin in a hot spot eliminating groove wherein the resin has beads, thereby drastically reducing a hot spot phenomenon. CONSTITUTION: A plurality of LED(Light Emitting Diode)s are mounted on a printed circuit board(110). A receiving groove is formed on a light guide plate(130). The receiving groove receives the LEDs. The receiving grooves is formed on one side of the light guide plate. A hot spot eliminating groove(150) is formed on the other side facing the one side.