US Patent 10230074 Organic light emitting diode display device and manufacturing method thereof

An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor.