The present invention relates to a backlight module and a liquid crystal display device, and the backlight module comprises: a back plate disposed at the bottom of the backlight module; light emitting diode light sources disposed on the back plate; and a diffusion plate disposed on a light output surface of the backlight module. The isolation chamber comprises a first container surrounding and defining an isolation space for holding the substances and a second container surrounding the first container. The bottom label ply includes an outer removable border portion defined between interior and outer ply edges and removable from the top label ply in a removal direction. During a CPU readwrite sequence, data is readwritten fromto the memory through a virtual special function register. The electromechanical locks are installed on the bars or other mechanism that lock the doors of a cargo container, train car, van door, or the like.