Flexible display device and manufacturing method thereof

A flexible display device comprising:

• a mother substrate having a cut line which divides the mother substrate into a plurality of TFT substrates;
• a barrier film disposed on the mother substrate;
• a gate line disposed on the barrier film;
• a data line defining a pixel by crossing the gate line;
• a TFT connected to the gate line and the data line;
• a gate pad electrode connected to the gate line and formed on a gate pad region;
• a data pad electrode connected to the data line and disposed on a data pad region;
• a pixel electrode connected to the TFT;
• a gate insulation film disposed under the data line and the data pad electrode;
• a protection film disposed on the pixel electrode;
• a gate contact electrode disposed in the gate pad region and connected to the gate pad electrode with the protection film interposed between the gate contact electrode and the gate pad electrode;
• and
• a data contact electrode disposed in the data pad region and connected to the data pad electrode with the protection film interposed between the data contact electrode and the data pad electrode,
• wherein the gate insulation film, the gate pad electrode, the data pad electrode, the protection film, the gate pad electrode, and the data pad electrode are not on the mother substrate in the area in the vicinity of the cut line.

A method of manufacturing a flexible display device, the method comprising the steps of:

• providing a mother substrate having a cut line along which the mother substrate is cut into a plurality of TFT substrates;
• forming a barrier film on the mother substrate and removing the barrier film from an area in the vicinity of the cut line;
• forming a gate line, a gate electrode, and a gate pad electrode on the barrier film and removing the gate pad electrode from the area in the vicinity of the cut line;
• forming a gate insulation film on the mother substrate including the gate line, the gate electrode, and the gate pad electrode and removing the gate pad electrode from the area in the vicinity of the cut line;
• forming a data line, source and drain electrodes, and a data pad electrode on the gate insulation film and removing the data pad electrode from the area in the vicinity of the cut line;
• forming a protection film having at least one contact hole on the mother substrate including the data line, the source and drain electrodes, and the data pad electrode and removing the protection film from the area in the vicinity of the cut line;
• and
• forming a pixel electrode, a gate contact electrode, and a data contact electrode on the protection film and removing the gate contact electrode and the data contact electrode from the area in the vicinity of the cut line.

A method of manufacturing a flexible display device, the method comprising the steps of:

• providing a mother substrate having a cut line along which the mother substrate is cut into a plurality of TFT substrates;
• forming a barrier film on the mother substrate;
• forming a gate line, a gate electrode, and a gate pad electrode on the barrier film and removing the gate pad electrode from the area in the vicinity of the cut line;
• forming a gate insulation film on the mother substrate including the gate line, the gate electrode, and the gate pad electrode and removing the gate pad electrode from the area in the vicinity of the cut line;
• forming a data line, source and drain electrodes, and a data pad electrode on the gate insulation film and removing the data pad electrode from the area in the vicinity of the cut line;
• forming a protection film having at least one contact hole on the mother substrate including the data line, the source and drain electrodes, and the data pad electrode and removing the protection film from the area in the vicinity of the cut line;
• and
• forming a pixel electrode, a gate contact electrode, and a data contact electrode on the protection film and removing the gate contact electrode and the data contact electrode from the area in the vicinity of the cut line.