Display device

A display device, comprising:

• a display element provided in a display area for displaying an image;
• an inorganic insulating layer provided across the display area and a surrounding area located outside the display area;
• a partition provided on the inorganic insulating layer, having conductivity, and surrounding the display element in the display area;
• and
• a power supply line covered with the inorganic insulating layer, wherein
• the power supply line is electrically connected to the partition via a contact hole penetrating the inorganic insulating layer in the surrounding area,
• the partition is formed in a grating shape having a plurality of first extending portions and a plurality of second extending portions in the surrounding area,
• the plurality of first extending portions each extend in a first direction and are arranged at a first pitch in a second direction intersecting the first direction,
• the plurality of second extending portions each extend in the second direction and are arranged at a second pitch in the first direction, and
• the contact hole is located at an intersection of one of the plurality of first extending portions and one of the plurality of second extending portions.

A display device, comprising:

• a display element provided in a display area for displaying an image;
• an inorganic insulating layer provided across the display area and a surrounding area located outside the display area;
• a partition provided on the inorganic insulating layer, having conductivity, and surrounding the display element in the display area;
• and
• a power supply line covered with the inorganic insulating layer, wherein
• the power supply line is electrically connected to the partition via a contact hole penetrating the inorganic insulating layer in the surrounding area,
• the partition is formed in a grating shape having a plurality of apertures in the surrounding area,
• the plurality of apertures have a first aperture, a second aperture, and a third aperture arranged at a regular pitch in a direction,
• the contact hole is located between the second aperture and the third aperture, and
• a width between the first aperture and the second aperture is equivalent to a width between the second aperture and the third aperture in the partition.