The present invention relates to an aqueous dispersion of a water-insoluble coloring material having superior shelf life stability which is suitable to an ink for ink-jetting, an ink composition superior in shelf life stability and discharge property, a method for inkjet recording using said ink composition, and recorded article obtained thereby. Each second contact is electrically connected to a second pin extending out of the base. When a voltage is applied to electrodes contacting an electroactive polymer, the polymer deflects. An outermost surface of the electrode group includes an exposed portion of either of the positive and negative electrode current collectors.