The data driver circuit for display device comprising an expansion hold circuit, that expands and holds a plurality of serially inputted digital image signals in parallel a first current driver circuit that is connected to the expansion hold circuit and comprises a plurality of current drivers for generating gradation currents corresponding with the digital image signals; a first switching circuit constituted by a plurality of switch groups connected to respective outputs of the plurality of current drivers; and a switching control circuit that switches at least the plurality of current drivers by controlling the first switching circuit and controls at least one of an order of expansion in the expansion hold circuit of the digital image signals, the direction thereof or number of rotations.