A display substrate for liquid crystal panel comprising: a display area corresponding to a plurality of pixels; a peripheral area surrounding the display area; a plurality of gate lines extending in a row direction; a plurality of data lines extending in a column direction, each crossing the gate lines; a plurality of thin film transistors, each for driving a corresponding one of the pixels and each electrically coupled to a corresponding gate line and data line; each pixel comprising a pixel electrode electrically coupled to a corresponding thin film transistor and a common electrode overlapping the pixel electrode; and characterized in that the common electrode has a repeating unit including four pixels (PX1, PX2, PX3, PX4) forming a 2x2 matrix and corresponding to two rows and two columns, wherein the common electrode continuously overlaps a first pixel and a second pixel nearest to the first pixel in the row direction with a first data line in-between and a third pixel adjacent to the first pixel in a column direction with a first gate line in-between and a fourth pixel nearest to the third pixel in the row direction with the first data line in-between, the common electrode comprising a continuous first opening (OP1, OP2) crossing over the first and second pixels substantially in the row direction, and a continuous second opening (OP3, OP4) crossing over the third and fourth pixels substantival in the row direction, wherein a first extending portion of the first opening in the first pixel extends in a different direction than another first extending portion of the first opening in the second pixel and a first extending portion of the second opening in the third pixel extends in a different direction than another first extending portion of the second opening in the fourth pixel such that an extending direction of the first and second openings is alternately changed on each of the pixels in the row direction, wherein the first and second openings each includes a protrusion portion overlapping the first data line and extending in the column direction. a display area corresponding to a plurality of pixels; a peripheral area surrounding the display area; a plurality of gate lines extending in a row direction; a plurality of data lines extending in a column direction, each crossing the gate lines; a plurality of thin film transistors, each for driving a corresponding one of the pixels and each electrically coupled to a corresponding gate line and data line; each pixel comprising a pixel electrode electrically coupled to a corresponding thin film transistor and a common electrode overlapping the pixel electrode; and characterized in that the common electrode has a repeating unit including four pixels (PX1, PX2, PX3, PX4) forming a 2x2 matrix and corresponding to two rows and two columns, wherein the common electrode continuously overlaps a first pixel and a second pixel nearest to the first pixel in the row direction with a first data line in-between and a third pixel adjacent to the first pixel in a column direction with a first gate line in-between and a fourth pixel nearest to the third pixel in the row direction with the first data line in-between, the common electrode comprising a continuous first opening (OP1, OP2) crossing over the first and second pixels substantially in the row direction, and a continuous second opening (OP3, OP4) crossing over the third and fourth pixels substantival in the row direction, wherein a first extending portion of the first opening in the first pixel extends in a different direction than another first extending portion of the first opening in the second pixel and a first extending portion of the second opening in the third pixel extends in a different direction than another first extending portion of the second opening in the fourth pixel such that an extending direction of the first and second openings is alternately changed on each of the pixels in the row direction, wherein the first and second openings each includes a protrusion portion overlapping the first data line and extending in the column direction.