Patent ID: 7551256
Filing Date: 2009-06-23
Classification: G02F

Abstract:
1. An in-plane switching mode liquid crystal display device comprising: a first and second substrates; a gate bus line defining a pixel region and a gate electrodes connected to the gate bus line on said first substrate; a gate insulator on an entire surface of the first substrate including the gate bus line and the gate electrode; a semiconductor layer on said gate insulator over the gate electrode; a channel layer on said semiconductor layer; source and drain electrodes of a thin film transistor on said channel layer, a data bus line defining the pixel region with the gate bus line on the gate insulator, and a data electrode on the gate insulator in the pixel region, the source electrode being connected to the data bus line and the drain electrode being connected to the data electrode; a passivation layer on the first substrate including the source and drain electrodes, the data bus line and the data electrode; and a transparent common electrode on said passivation layer in the pixel region, wherein said data and transparent common electrodes apply plane electric fields; a gate pad on the first substrate, the gate pad having a portion exposed by an opened portion in the passivation layer and the gate insulator on said first substrate; a first transparent conductive material covering the exposed portion of the gate pad through the opened portion of said passivation layer and the gate insulator, said first transparent conductive material being formed with said transparent common electrode at the same time; a data pad on the gate insulator, the data pad having a portion exposed by an opened portion in the passivation layer on said substrate; and a second transparent conductive material covering the exposed portion of the data pad through the opened portion of said passivation layer, said second transparent conductive material being formed with said transparent common electrode at the same time.