Patent ID: 9385143
Filing Date: 2016-07-05
CPC Classification: G02F,H01L

Claim Text:
1. A TFT array substrate, in which TFT elements and pixel electrodes being correspondingly connected with the TFT elements are arrayed in matrix on an insulating substrate, the TFT array substrate comprising: gate bus lines on the insulating substrate, the gate bus lines being correspondingly connected with the TFT elements and being formed from a first conductive material; and source bus lines on the insulating substrate, the source bus lines being correspondingly connected with the TFT elements and being formed from a second conductive material, the pixel electrodes being made from a third conductive material, the insulating substrate having a display area in which the pixel electrodes are arrayed in matrix, and a periphery area around the display area, the periphery area being provided with driver circuits for driving the TFT elements corresponding thereto, the periphery area being provided with (i) first branch wirings of a plurality of branch wirings being correspondingly connected with the driver circuits, and (ii) a main wiring being connected with the first branch wirings, the first branch wirings being formed from one of the first conductive material and the second conductive material, the main wiring being formed from the other one of the first conductive material and the second conductive material, the periphery area being provided with connection parts, at which the main wiring is connected with the respective first branch wirings, at each of the connection parts, a connection conductor electrically connecting the main wiring with corresponding one of the first branch wirings, the connection conductor being formed from the third conductive material, the connection parts each having a branch-wiring via hole in an insulating film on the corresponding one of the first branch wirings, the branch-wiring via hole allowing the corresponding one of the first branch wirings to be electrically connected with the connection conductor, at least one of the connection parts being such that at least part of the branch-wiring via hole overlaps with the main wiring in a plane view, and each of the first branch wirings is electrically connected with a branch wiring extension part extended on and along the main wiring.