Display device and manufacturing method therefor

A display device comprising:

• a display area and a non-display area surrounding the display area;
• a first bending line defined on the display area, wherein the first bending line includes a portion extending in a first direction;
• a first area located at one side around the first bending line;
• a second area located at an opposite side around the first bending line, wherein the second area is bent in one direction relative to the first area and from the first bending line;
• a first alignment mark disposed in the first area and having a first alignment mark area;
• and
• a second alignment mark disposed in the second area and facing toward the first alignment mark while the first bending line is disposed between the first and second alignment marks,
• wherein the second alignment mark has a second alignment mark area different from the first alignment mark area,
• wherein the display area includes:
• a first display area disposed in the first area around the first bending line;
• and
• a second display area disposed in the second area around the first bending line,
• wherein the first alignment mark is disposed in the first display area, and the second alignment mark is disposed in the second display area.