Patent ID: 7445356

Claim:
A backlight device, comprising: a reflection plate having a reflective surface and a heat dissipating surface at an opposite side of the reflection plate to the reflective surface; a light source module disposed adjacent to the reflective surface of the reflection plate, the light source module comprising at least a cold cathode fluorescent lamp, and the cold cathode fluorescent lamp comprising at least two parallel linear portions and at least one intermediate portion interconnected to the at least two linear portions; and a cooling module attached to the heat dissipating surface of the reflection plate, the light source and the cooling module located at opposite sides of the reflection plate, wherein the cooling module comprises a plurality of heat pipes, a heat sink and a cooling fan, each of the heat pipes having an evaporating section connected with the reflection plate, and a condensing section connected with the heat sink, and the cooling fan is attached to the heat sink.