Backplane and backlight module and liquid crystal display device using same

A backlight module, comprising:

• a backplane, a light guide plate arranged in the backplane, and a backlight source arranged in the backplane, the backplane comprising a bottom plate and a plurality of side plates connected to the bottom plate, the bottom plate comprising a base section and a mounting section connected to a lateral edge of the base section, the base section having two ends that are each provided with a stepwise structure to allow for mounting a curved light guide plate to an inner side thereof, the mounting section having an outside surface that is curved for mounting a circuit board.

A liquid crystal display device, comprising:

• a backlight module, a mold frame mounted on the backlight module, a liquid crystal display panel arranged on the mold frame, a front bezel arranged on the liquid crystal display panel, and a circuit board mounted on the backlight module and electrically connected to the liquid crystal display panel, the backlight module comprising a backplane, a light guide plate arranged in the backplane, and a backlight source arranged in the backplane, the backplane comprising a bottom plate and a plurality of side plates connected to the bottom plate, the bottom plate comprising a base section and a mounting section connected to a lateral edge of the base section, the base section having two ends that are each provided with a stepwise structure to allow for mounting a curved light guide plate to an inner side thereof, the mounting section having an outside surface that is curved for mounting a circuit board.