| 摘要 |
An organic electroluminescent display device includes at least one switching transistor and driving transistor formed on an array substrate, wherein the array substrate includes a gate pad and a date pad formed thereon; a contact electrode, a gate pad top electrode of the gate pad and a data pad top electrode of the data pad formed on a passivation layer, a contact electrode, a top gate pad electrode and a top data pad electrode electrically connected to the exposed portion of a drain electrode of the driving transistor, a gate pad bottom electrode and a data pad bottom electrode respectively; a light-emitting cell including a cathode electrode, an anode electrode and an organic layer interposed therebetween formed on the planarization layer; wherein the cathode electrode is electrically connected to the contact electrode via one of the contact hole; wherein the contact electrode has acid-resistance with respect to an etchant used in patterning the cathode electrode. |
