Backplane, the display device with the backlight module and a liquid crystal back sheet

The present invention provides a back plate, with the backlight module and a liquid crystal display device of the backing plate, the backing plate comprising: a base plate (2) and the connecting plate (2) a plurality of side plates (4), said base plate ( 2) comprises a base (22) and is connected to the base (22) mounting portion (24) on one side of both ends of the base portion (22) are provided with a stepped structure (222) to accommodate the arc guide plate is mounted on its inside, the mounting portion (24) of the outer surface is curved, for mounting a circuit board, an outer surface of the base portion (22) is provided with a first rib (226) and the second reinforcing rib perpendicular thereto connected (228). The present invention provides a backsheet, with the backlight module and a liquid crystal display device of the backing plate, the backing plate can be made simple in structure, easy to manufacture, simplifying the assembly process, reducing production costs.