TFT-LCD array substrate, manufacturing method, detecting method and driving method

An array substrate, comprising:

• a first gate line and a second gate line parallel to each other;
• a data line, and
• a detecting line,
• wherein the first gate line and the second gate line intersect with the data line to define a pixel region, and a pixel electrode, a first thin film transistor and a second thin film transistor are provided in the pixel region;
• wherein the first thin film transistor is connected with the first gate line, the data line and the pixel electrode, and the data line is capable of being electrically connected with the pixel electrode under control of the first gate line;
• wherein the second thin film transistor is connected with the second gate line, the detecting line and the pixel electrode, and the pixel electrode is capable of being electrically connected with the detecting line under control of the second gate line;
• wherein the array substrate further comprises a passivation layer covering the first gate line, the second gate line, the first thin film transistor, the second thin film transistor and the data line;
• wherein the detecting line and the pixel electrode are provided on the passivation layer;
• wherein the first thin film transistor comprises a first gate electrode, a first source electrode and a first drain electrode, the second thin film transistor comprises a second gate electrode, a second source electrode and a second drain electrode, the first source electrode is connected with the data line, and the second source electrode is connected with the detecting line;
• and
• wherein the first gate electrode is directly connected with the first gate line, the second gate electrode is directly connected with the second gate line, the first drain electrode and the second drain electrode are directly connected with the same pixel electrode.