US Patent 7544395 Patterning method of liquid crystal display device

A patterning method of a liquid crystal display (LCD) device is disclosed, to prevent a pattern material from having a swelling portion when using a printing method, thereby obtaining preciseness in patterning, the patterning method including a first step for coating a pattern material containing charged particles on a printing roll having a blanket adhered thereto; a second step for rolling the printing roll on a printing plate having a plurality of projections for printing some pattern material on the projections of the printing plate and form a predetermined pattern on the blanket of the printing roll with the pattern material remaining on the blanket; and a third step for rolling the printing roll on a substrate to re-print the predetermined pattern of pattern material on the substrate, wherein the first step includes applying a voltage of the opposite polarity to the pattern material to the printing roll.