Cell cutting device for display devices

A cell cutting device, which cuts a mother substrate for display devices that includes a plurality of cells in cell units, the cell cutting device comprising:

• a fixing unit configured to move in a state where the mother substrate for display devices is fixed on the fixing unit;
• a cutter configured to perform a cutting process on the mother substrate for display devices, the cutter facing a surface of the mother substrate during the cutting process;
• a cutter driving unit driving the cutter in a state where the cutter is fixed thereon;
• and
• a buffer member arranged on another surface of the mother substrate, which other surface being opposite the surface facing the cutter, to correspond to the cutter.