Production process of a display device, and a display device

A production process of a display device having an insulating substrate on which a plurality of dots are arranged in a matrix, the production process comprising the step of:

• forming a linear protrusion on the insulating substrate by performing divisional exposure on a plurality of divided regions on the insulating substrate;
• wherein
• a boundary between adjacent ones of the plurality of divided regions includes, in a vicinity of the linear protrusion in one of the divided regions, at least one bent portion that extends into at least a portion of another one of the plurality of divided regions.

A display device having an insulating substrate on which a plurality of dots are arranged in a matrix, the display device comprising:

• a linear protrusion formed on the insulating substrate and formed from a plurality of divisionally exposed divided regions on the insulating substrate;
• wherein
• a boundary between adjacent ones of the plurality of divided regions includes, in the vicinity of the linear protrusion in one of the divided regions, at least one bending portion that extends into at least a portion of another one of the plurality of divided regions.