A mobile terminal and method for sending andor receiving contents, are provided. The conductive layer includes a plurality of conductive films, each of which includes a plurality of nanounits. In the providing a mixture containing iron, exhaust gas exhausted from the fluidized bed is branched to dry at least one of the iron ores and the additives. The controller outputs a signal to the data line driver to supply an electric potential, applied to the common electrode, to all the data lines for the predetermined time.