1. A display comprising: a display electrode having the shape of a symbol to be displayed; a layer of display material positioned in spaced aligned relationship to the display electrode; a background electrode positioned in interposing aligned relationship between the display electrode and a first side of the display material layer, the background electrode having an aperture therein which has the shape of the symbol to be displayed, the size of the aperture being the same or less than the display electrode; a counterelectrode positioned in alignment with the aforementioned components and facing a second side of the display material layer; and electrical means respectively connected to the electrodes and the counterelectrode for selectively enabling normal and reversed printed images of the symbol in the display material layer.