Patent ID: 9551910
Date: 2017-01-24
CPC Classifications: G02F

Claim:
1. An active matrix substrate for use as a substrate of a display panel, comprising: a base member; a plurality of data wiring lines and a plurality of scan wiring lines on the base member, which are arranged in a matrix pattern; a plurality of picture elements on the base member, each picture element including a picture element electrode connected to a switching element; an auxiliary capacitor electrode formed from a transparent electrically conductive film; and an auxiliary capacitor wiring line comprising an aluminum alloy, wherein said auxiliary capacitor electrode and said auxiliary capacitor wiring line are electrically connected to each other via a metal material film comprising nitride interposed between said auxiliary capacitor electrode and said auxiliary capacitor wiring line, and wherein an auxiliary capacitance generates between said auxiliary capacitor electrode and the picture element electrode of said picture element.