A direct-type back light module, a diffuser plate and a method fabricating the same are provided. The perimeter wall has an upper edge defining an opening extending into an interior space of the container. A secondary passageway defined in the body is adapted to be connected to the second fluid line. The magnetic domains and domain walls are movable across the first and second ferromagnetic material layers upon application of a driving current. Interactions may incorporate demand response signals sent to the resources at their respective facilities.