Flexible touch substrate and touch device that have reduced parasitic capacitance between different signal lines

A flexible touch substrate, comprising a plurality of sides, wherein each of at least one of the plurality of sides has notches at both ends, each of the notches has two edges whose extension directions cross each other, and the two edges of each of the notches have a same length,

• wherein edges of two notches at both ends of a same one of the plurality of sides have a same length,
• wherein the flexible touch substrate further comprises:
• a flexible substrate;
• and
• a plurality of first electrodes and a plurality of second electrodes on the flexible substrate,
• wherein:
• the plurality of first electrodes extend in a first direction, the plurality of second electrodes extend in a second direction perpendicular to the first direction, the plurality of first electrodes are insulated from the plurality of second electrodes, and the first direction is perpendicular to the side whose both ends have the two notches, respectively;
• in the second direction, a distance between an outer side of the outermost first electrode relative to each side of the flexible substrate and the side of the flexible substrate is smaller than a length of each of the edges of the notch at an end of the side of the flexible substrate;
• and
• in the first direction, a distance between an outer side of the outermost second electrode relative to each side of the flexible substrate and the side of the flexible substrate is smaller than a length of each of the edges of the notch at an end of the side of the flexible substrate,
• wherein the flexible touch substrate further comprises a plurality of signal lines on the flexible substrate, wherein the plurality of signal lines comprise a plurality of first signal lines and a plurality of second signal lines, each of the plurality of first electrode is connected to one of the plurality of first signal lines, each of the plurality of second electrodes is connected to one of the plurality of second signal lines, and the plurality of first signal lines an insulated from the plurality of second signal lines, and
• wherein a portion of the plurality of second signal lines are located between the first electrode at least partially overlapping at least one of the notches in the first direction and the first signal line corresponding to the first electrode, the first electrode at least partially overlapping at least one of the notches in the first direction and the corresponding first signal line are connected to each other through a first bridge connector, and the first bridge connector is insulated from the second signal line crossing the first bridge connector.