Display device and method of manufacturing the display device

An electronic device comprising:

• a substrate;
• an emission layer disposed on the substrate, the emission layer comprising a plurality of emission areas and a pixel defining layer disposed between the plurality of emission areas, the pixel defining layer comprising a light blocking material;
• an encapsulation layer disposed on the emission layer, the encapsulation layer comprising a first inorganic encapsulation film, an organic encapsulation film on the first inorganic encapsulation film, and a second inorganic encapsulation film on the organic encapsulation film;
• a dam surrounding the organic encapsulation film, comprising an organic material, and a plurality of sub-dams;
• and
• a bank surrounding at least a portion of the dam, the bank comprising a first bank layer, a second bank layer on the first bank layer, a third bank layer on the second bank layer, and a fourth bank layer on the third bank layer, wherein the third bank layer includes the light blocking material.