Patent ID: 7622316

Claim:
A manufacturing method for a substrate assembly of an active matrix organic electro luminescent display (ELD) device, comprising: forming first and second semiconductor layers on a substrate with polycrystalline silicon; forming a gate insulating layer on the first and second semiconductor layers; forming first and second gate electrodes on the gate insulating layer; forming first source and drain regions and second source and drain regions by inputting ions into the first and second semiconductor layer using the first and second gate electrodes as a mask; forming a first inter layer on the first and second gate electrodes; forming an anode electrode on the first inter layer; forming a capacitor electrode on the first inter layer; forming a first passivation layer on the anode electrode and the capacitor electrode, the first passivation layer having a plurality of contact holes; forming a power line on the first passivation layer; forming first source and drain electrodes on the first passivation layer, the first source electrode being connected to the first source region and the first drain electrode being connected to the first drain region; forming second source and drain electrodes on the first passivation layer, the second source electrode being connected to the second source region, the power line and the capacitor electrode, and the second drain electrode being connected to the second drain region and the anode electrode; and forming a second passivation layer on the first source and drain electrodes and the second source and drain electrodes, the second passivation layer having a bank that exposes the anode electrode.