Liquid crystal display wherein the data lines covered by each pixel electrode are supplied with data signals of opposite polarities

A liquid crystal display, comprising

• a first pixel electrode having a first primary sub-pixel electrode and a first secondary sub-pixel electrode which is separated from the first primary sub-pixel electrode;
• a second pixel electrode having a second primary sub-pixel electrode and a second secondary sub-pixel electrode which is separated from the second primary sub-pixel electrode;
• a third pixel electrode having a third primary sub-pixel electrode and a third secondary sub-pixel electrode which is separated from the third primary sub-pixel electrode;
• a first data line coupled to the first secondary sub-pixel electrode and covered by the first pixel electrode;
• a second data line coupled to the first primary sub-pixel electrode and covered by the second pixel electrode;
• a third data line coupled to the second primary sub-pixel electrode and covered by the second pixel electrode;
• a fourth data line coupled to the second secondary sub-pixel electrode and covered by the third pixel electrode;
• a fifth data line coupled to the third secondary sub-pixel electrode and covered by the third pixel electrode;
• a sixth data line coupled to the third primary sub-pixel electrode;
• a gate line coupled to the first pixel electrode, the second pixel electrode, and the third pixel electrode;
• a gate driver providing a scan signal to the gate line;
• a data driver coupled to the first data line, the second data line, the third data line the fourth data line, the fifth data line, and the sixth data line;
• and
• an insulation layer disposed between the second data line and the second pixel electrode and between the third data line and the second pixel electrode, wherein the insulation layer is formed by organic materials,
• wherein the first data line provides a first data signal to the first secondary sub-pixel electrode, the second data line provides a second data signal to the first primary sub-pixel electrode, and the first data signal and the second data signal have different polarities according to a reference level, and
• wherein the third data line provides a third data signal to the second primary sub-pixel electrode, the fourth data line provides a fourth data signal to the second secondary sub-pixel electrode, the third data signal and the fourth data signal have different polarities according to the reference level, and the third data signal and the second data signal have different polarities according to the reference level.

A driving method for a liquid crystal display, wherein the liquid crystal display comprises a first data line, a second data line, a third data line, a fourth data line, a gate line, a first pixel electrode, and a second pixel electrode, projections of the first and second data lines in a horizontal direction overlap projections of the first pixel electrode in the horizontal direction, a projection of the fourth data line in the horizontal direction overlaps projections of the second pixel electrode in the horizontal direction, the first pixel electrode has a first primary sub-pixel electrode and a first secondary sub-pixel electrode, the second pixel electrode has a second primary sub-pixel electrode and a second secondary sub-pixel electrode, and the second pixel electrode is adjacent to the first pixel electrode, comprising:

• providing a first data signal to the first data line;
• providing a second data signal to the second data line, wherein polarities of the first data signal and the second data line are different according to a reference level;
• and
• providing a third data signal to the third data line, wherein when a gray level displayed by the first pixel electrode is lower than a predetermined gray level, the difference between the third data signal and the reference level is not greater than the difference between the second data signal and the reference level.