Patent ID: 6947104

Claim:
A backlight unit, comprising: a plurality of lamp tubes arranged in parallel within a housing; wherein each of the lamp tubes has one low-voltage end connected to a first plastic capping piece and one high-voltage end connected to a second plastic capping piece; wherein a first connector is installed at a rear side of the first plastic capping piece and has a terminal therein to electrically connect to the low-voltage end of the lamp tube; wherein the first connector is electrically connected to a second connector through a first wiring line, and the second connector is electrically connected to the high-voltage end of the lamp tube through a second wiring line; a plurality of reflection plates disposed underneath each of the plurality of lamp tubes and each of the reflection plates being integrated with corresponding lamp tubes to constitute an independent lamp module cartridge, which is removable from one side of the housing; and a diffusing plate disposed over the plurality of lamp tubes and fixed on the housing, the diffusing plate being used to scatter the light generated by the plurality of lamp tubes.