Patent ID: 9634071
Date: 2017-04-25
CPC Classifications: H01L

Claim:
1. An organic light emitting diode display comprising: a substrate; a gate line disposed on the substrate and extended in a first direction; a data line and a driving voltage line disposed on the substrate and extended in a second direction intersecting the first direction; a switching thin film transistor connected to the gate line and the data line, and including a first semiconductor; a driving thin film transistor connected to a drain electrode of the switching thin film transistor, and including a second semiconductor, and the first semiconductor and the second semiconductor respectively include a source region, a drain region and a channel region; an insulating layer disposed on the first semiconductor and second semiconductor, and contact holes defined in the insulating layer, the contact holes respectively exposing the source region and the drain region of the first semiconductor and the second semiconductor; and an organic light emitting diode connected to the driving thin film transistor, wherein at least one of the contact holes is inclined with respect to the first direction and the second direction.