Backlight unit and liquid crystal display device including the same

摘要

A light emitting diode assembly includes: a light emitting diode (LED) printed circuit board (PCB) having a base layer, an insulating layer on the base layer and a circuit pattern layer on the insulating layer, the LED PCB including a plurality of through holes spaced apart from each other; and a plurality of light emitting diodes (LEDs) inserted into the plurality of through holes, respectively, from a bottom surface of the LED PCB, each of the plurality of LEDs including a lead contacting the circuit pattern layer.

主权项

1. A light emitting diode (LED) assembly, comprising:
an LED printed circuit board (PCB) comprising from a top down a base layer, an insulating layer on only a lower surface of the base layer, a circuit pattern layer and a protecting layer, wherein the LED PCB includes along its longitude direction a plurality of through holes spaced from each other; a plurality of LEDs, inserted from a bottom of the LED PCB into the plurality of through holes, respectively, wherein the plurality of LEDs comprise leads on both sides of the plurality of LEDs, wherein the plurality of LEDs are electrically connected to the LED PCB through the leads, wherein the insulating layer contacts the base layer and the circuit pattern layer, and wherein the plurality of through holes have a same diameter respectively in the base layer, the insulating layer and the circuit pattern layer, and wherein a top surface of each of the plurality of LEDs is disposed lower than a top surface of the LED PCB.