Patent ID: 7786519

Claim:
An organic light emitting device comprising: a first electrode and a wire comprising a contact part formed on a substrate; an insulating layer formed on the first electrode and a portion of the wire, the insulating layer comprising an opening which exposes a portion of the first electrode and a contact hole which exposes an entire upper surface and a portion of a side surface of the contact part so that no portion of the insulating layer is in contact with the entire upper surface and said portion of the side surface of the contact part; an emission layer comprising an organic material formed in the opening; and a second electrode formed on the emission layer and the entire upper surface of the contact part and said portion of the side surface of the contact part through the contact hole, wherein the content hole comprises: a first portion which is in contact with said portion of the side surface of the contact part, and a second portion which is in contact with the second electrode, wherein a width of the second portion is greater than a width of the first portion.