Patent ID: 8449165
Filing Date: 2013-05-28
Classification: G02B,G02F

Abstract:
1. A backlight module having housing provided with groove structure, comprising: a housing, having a groove formed on a housing bottom thereof; a circuit layer, being disposed in the groove through a first thermally conductive insulating layer; a plurality of LED chips, being disposed in the housing and welded on the circuit layer; a thermal conductive layer, being attached to the surface of the circuit layer through a second thermally conductive insulating layer and having a bottom portion provided with a plurality of first holes, wherein the LED chips respectively pass through the first holes when the thermal conductive layer is attached to the surface of the circuit layer; a reflector, being opposite to the LED chips and disposed in the housing, wherein the reflector has a reflector bottom portion provided with a plurality of second holes, and the light emitted by the light-emitting surface of the LED chips may pass though the second holes for outputting; and a light guide plate, being disposed in the reflector for receiving the light emitted by the LED chips.