Patent ID: 9504153
Filing Date: 2016-11-22
CPC Classification: G02F,H01L,H05B,H05K

Claim Text:
1. A display device, comprising: a plurality of signal lines including a data line and a gate line arranged in a display area of a substrate; and a pad structure located at a non-active area and connected with the signal lines, wherein the pad structure further comprises: a plurality of metal layers including a first metal layer, a second metal layer and a third metal layer, wherein the first metal layer and the second metal layer are connected with each other through a first contact hole located in a first insulating layer between the first metal layer and the second metal layer, the second metal layer and the third metal layer are connected with each other through a second contact hole located in a second insulating layer between the second metal layer and the third metal layer, and the first contact hole and the second contact hole are not overlapped with each other.