Patent ID: 7629738
Filing Date: 2009-12-08
Classification: H01L

Abstract:
1. An organic electroluminescence display device, comprising: a thin film transistor formed on a substrate; an organic light emitting element coupled to one of a drain and source electrode of the thin film transistor, the organic light emitting element comprising a first electrode, an organic light emitting layer, and a second electrode; and at least one inorganic layer arranged on a top surface of the one of the drain or source electrode, the first electrode being arranged on the at least one inorganic layer, wherein the at least one inorganic layer has a thickness deviation of more than zero and about 200 Å or less, and has a via hole to expose a part of either the drain electrode or source electrode, wherein the first electrode of the organic light emitting element is coupled to the one of the drain electrode or source electrode through the via hole.