Patent ID: 7817119

Claim:
A display device having a display area composed of matrix-arrayed pixels, the display area comprising: partition walls which separate the pixels; a pixel circuit which is disposed in association with each of the pixels; and a display element which is driven and controlled by the pixel circuit; the display element comprising: a first electrode which is disposed in an independent insular shape in association with each of the pixels; an optical active layer which is disposed on the first electrode; and a second electrode which is disposed to cover the optical active layer of each of the pixels; and the second electrode comprising: a plurality of opening parts from which parts of the partition walls are exposed, the opening parts being arranged at regular intervals over the entire display area, wherein the second electrode includes a power supply line which is disposed on the partition wall and to which a potential for the second electrode is applied, and an electrode part which is connected to the power supply line and is disposed at least on the optical active layer.