A display device for preventing a defective operation and dark spots resulting from fine bubbles is disclosed. The display device includes a flexible substrate, a thin film transistor disposed on the flexible substrate, a first electrode connected to the thin film transistor, a bank layer including a pixel definition portion exposing the first electrode and a groove portion spaced apart from the pixel definition portion, an organic layer disposed on the first electrode and the bank layer, and a second electrode disposed on the organic layer.