Patent ID: 9299757
Filing Date: 2016-03-29
CPC Classification: H01L

Claim Text:
1. A display device, comprising: a substrate; a switching transistor and a driving transistor disposed on the substrate, each of the switching transistor and the driving transistor comprising an active layer, a first gate insulating layer, a gate electrode, a source electrode, and a drain electrode; a storage capacitor comprising a first storage electrode and a second storage electrode overlapping the first storage electrode, wherein: the driving transistor further comprises a second gate insulating layer disposed on the first gate insulating layer, the second gate insulating layer being interposed between the first storage electrode and the second storage electrode; the gate electrode of the switching transistor and the first storage electrode are disposed on the first gate insulating layer and are level with each other; the gate electrode of the driving transistor and the second storage electrode are disposed on the second gate insulating layer and are level with each other; and a top surface of the first storage electrode comprises hillocks.