Display device including two inorganic layers and an outer barrier arranged on a substrate

A display device comprising:

• a substrate;
• an organic light emitting diode unit in an emission space, the organic light emitting diode unit comprising:
• an insulating layer on the substrate;
• a first electrode on the insulating layer;
• a pixel defining layer on the insulating layer and directly contacting the first electrode;
• an organic emission layer;
• and
• a second electrode;
• a first barrier in a dead space;
• and
• a thin film encapsulation layer on the organic light emitting diode unit,
• wherein the thin film encapsulation layer comprises a first inorganic layer disposed on the organic light emitting diode unit, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the organic layer,
• the organic layer is in an area defined by the first barrier,
• the second inorganic layer overlaps with the first barrier,
• the first inorganic layer and the second inorganic layer extend to and overlap with an edge of the substrate, and
• the first inorganic layer and the second inorganic layer contact with each other between the first barrier and the edge of the substrate.