Patent ID: 7946722

Claim:
A direct backlight module comprising: a first frame; at least two light sources; and a back board fixed to the first frame; wherein the back board comprises at least two relative back slices connected to each other, the at least two back slices capable of being slipped out from the back board, each of the at least two back slices comprising a back piece, at least a first fasten organ, and at least a second fasten organ, the at least first fasten organ and the at least second fasten organ being disposed on opposite ends of the back piece separately, the at least two adjacent back slices connecting with each other by the at least first fasten organ and the at least second fasten organ, the at least first fasten organ being a slide, the at least second fasten organ having a U-shaped chute, an outline of the slide corresponding to an inline of the U-shaped chute, the first frame comprising two opposite disposed first side arms and two opposite disposed second side arms, each of the two opposite disposed first side arms comprising a channel inside, a cross-section of one first side arm's channel is L-shaped and corresponds to receive the slide, the other first side arm's channel including a passageway and a U-shaped channel, and wherein a cross-section of the passageway is a beeline, the cross-section of the U-shaped channel is substantially U-shaped, and an end of the U-shaped channel links to the cross-section of an inside surface of the first side arm therein via the beeline.