Patent ID: 8692455

Claim:
A display device having (a) a plurality of driving elements and (b) wiring parts electrically connected to said driving elements, the display device comprising: a plurality of first electrodes respectively corresponding to each driving element on said driving elements and said wiring parts; a plurality of light-emitting parts on said first electrodes; a common second electrode, comprising a material that transmits light from said light-emitting part, said common second electrode on said light-emitting parts; auxiliary wiring parts formed at the same depth level of the first electrodes and in a region between the first electrodes, the auxiliary wiring parts having a lower resistance than said second electrode; and contact parts in a laminate structure including a plurality of conductive layers, the contact parts electrically connect said second electrode and said auxiliary wirings, wherein, at least the lowermost conductive layer of said conductive layers of said contact parts being in direct contact with said second electrode, and the uppermost conductive layer of said conductive layers of said contact parts is in contact with said auxiliary wiring part.