Display device

A display device comprising:

• a substrate including a display area, in which a plurality of pixels are disposed, and a non-display area defined around the display area;
• a driver disposed in the non-display area on the substrate;
• a plurality of first crack detection lines disposed in the non-display area on the substrate, wherein at least a part of each of the first crack detection lines adjacent to an end of the driver extends in parallel with an edge of the substrate in a plan view;
• a second crack detection line disposed in the non-display area on the substrate and positioned between the first crack detection lines and the driver, wherein the second crack detection line is electrically connected to the first crack detection lines;
• and
• a common voltage line disposed in the non-display area on the substrate, wherein the common voltages line provides a common voltage to the pixels, and a concave portion overlapping at least a part of the second crack detection line in the plan view is defined at an edge portion of the common voltage line facing the first crack detection lines.