a rubbing means to rub the alignment layer while the rubbing means is rotated along one direction to contact a surface of the alignment layer formed on a substrate, wherein the rubbing means includes a cylindrical rubbing roller provided with a plurality of holes, a rubbing cloth adhered to an outer circumference of the rubbing roller, a rotary shaft connected with the rubbing roller to rotate the rubbing roller, and a rotary motor, wherein the rubbing roller includes an inner cylinder of carbon fiber reinforcing plastic and an outer cylinder of plated stainless steel; and

a liquid jet to jet liquid onto the rubbing roller when the alignment layer is rubbed by the rubbing means, wherein the liquid jetted from the liquid jet was supplied to the alignment layer through the holes of the rubbing roller.