Display and electronic unit

A display, comprising:

• a substrate including a base substance and a first layer stacked in this order, the substrate having a display region, a sealing region and a step section,
• wherein the sealing region surrounds the display region, and wherein the step section surrounds the sealing region from outside;
• a display layer in the display region;
• and
• a sealing section on the substrate in the sealing region,
• wherein the step section includes a protruded wall that protrudes from a surface, of the substrate, on which the display layer is present, and
• wherein the protruded wall and the first layer is made of a same material.