Array substrate, display panel, method for determining touch center coordinates and display device

A method for determining touch center coordinates, applicable to a display panel comprising an array substrate,

• wherein the array substrate comprises:
• a plurality of touch electrodes arranged in an array, wherein the plurality of touch electrodes comprise a plurality of touch electrode columns arranged in a first direction and a plurality of touch electrode rows arranged in a second direction;
• a plurality of touch leads, wherein each of the plurality of touch leads is electrically connected to one of the plurality of touch electrodes;
• and
• a plurality of repair leads, wherein an insulation overlapped region is provided between each of two of the plurality of touch leads corresponding to two adjacent ones of the plurality of touch electrodes arranged in the first direction or the second direction
• and at least one of the plurality of repair leads,
• wherein when a fault occurs in a touch lead corresponding to any one of two adjacent touch electrodes in the display panel, each of two touch leads corresponding to the two adjacent touch electrodes is electrically connected to a corresponding repair lead, with the two adjacent touch electrodes being defined as a repair touch electrode, and wherein the method comprises:
• acquiring a capacitance of the repair touch electrode;
• determining that the capacitance of the repair touch electrode is within a preset range of touch capacitances;
• defining, as changing touch electrodes, touch electrodes which are closer to the repair touch electrode in the first direction and the second direction and of which capacitances take changes, and acquiring a capacitance of each of the changing touch electrodes;
• and
• calculating, based on the capacitance of the repair touch electrode and the capacitance of the changing touch electrode, touch coordinates in the first direction and touch coordinates in the second direction, to determine the touch center coordinates.