Embodiments of the present invention relate to a display board including a plurality of display devices or tiles that include a casing and a plurality of light manipulating elements disposed within and along a side of the casing, such that the one or more light manipulating elements are adapted to form at least one pixel. The display device or tile further includes at least one or more rods coupled to the plurality of one or more light manipulating elements, and a liquid disposed within the casing, wherein the liquid is adapted to flow within the casing for imparting motion onto the one or more rods for changing the pigment of the at least one pixel.