Patent ID: 7528919
Filing Date: 2009-05-05
Classification: G02F

Abstract:
1. An array substrate for an IPS-LCD device, comprising: a substrate; a gate line on the substrate; a data line perpendicular to the gate line; a thin film transistor at a crossing portion between the gate and data lines; a common line parallel to the gate line, the common line including first and second auxiliary common lines perpendicular to the common line; a plurality of common electrodes extending perpendicular to the first and second auxiliary common lines; a plurality of pixel electrodes arranged alternately with the plurality of common electrodes; an auxiliary common electrode perpendicularly contacting each of the common electrodes; and an auxiliary pixel electrode perpendicularly contacting each of the pixel electrodes, wherein the auxiliary pixel electrode is spaced apart from the auxiliary common electrodes, wherein the plurality of common electrodes have portions that do not continue entirely across a pixel region, wherein the portions of the plurality of common electrodes that do not continue entirely across the pixel region and the auxiliary pixel electrode form a first virtual line parallel to the data line, wherein each of the plurality of common electrodes is divided into first and second common sub-electrodes by the first virtual line, wherein the plurality of pixel electrodes have portions that do not continue entirely across the pixel region, and wherein the portions of the plurality of pixel electrodes that do not continue entirely across the pixel region and the auxiliary common electrode form a second virtual line parallel to the data line.