Patent ID: 7486367

Claim:
A display panel comprising: a gate line including a first conductive film, a data line intersecting the gate line and including a second conductive film, a switching element connected to the gate line and the data line, a pixel electrode connected to the switching element and including a third conductive film, a signal line connected to the gate line or the data line and including a contact portion that contacts an output terminal of a driving circuit and includes a first portion made of the first conductive film and a second portion made of the second conductive film, an interlayer insulating layer formed between the first conductive film and the second conductive film and having at least a contact hole for connecting the first portion and the second portion, wherein the contact hole exposes the first portion, and the second portion lines the contact hole to contact the first portion, and a contact assistant made of the third conductive film and disposed on the contact hole.