Display device and manufacturing method of display device

The present invention relates to a manufacturing method for a display device and a display device. Display device according to the present invention includes an insulating substrate; It is formed on the insulating substrate, a first electrode; The first extending from the second section and the second section having a protrusion extends, and the first width in the first portion, the first portion facing the first electrode and having a first width and a second, different width third a thin film transistor including a second electrode having a portion; A pixel electrode connected to the second electrode; Partition wall which surrounds the pixel electrode; And the organic layer is formed on the pixel electrode; It characterized in that it comprises a common electrode formed on the partition wall and the organic layer. As a result, the display device is easy to repair the defective pixel is provided by.