Backlight unit comprising a bottom cover including an embossing portion that overlaps with a portion of an LED package and liquid crystal display using the same

摘要

A backlight unit comprises a light emitting diode (LED) package including one or more LED chips, a light source PCB mounting one side of a bottom of the LED package or both sides of the bottom of the LED package, a bottom cover supporting the light source PCB under the light source PCB, and having an embossing portion which protrudes toward the LED package with a size corresponding to the bottom of the LED package which is not mounted on the light source PCB, and a heat emission material filling between the bottom of the LED package and the embossing portion.