TOUCH SENSOR AND DISPLAY DEVICE

A touch sensor (01) and a display device (03). The touch sensor (01) comprises a plurality of first touch electrodes (11), a plurality of second touch electrodes (12), and a first crack blocking ring (27; 29). The plurality of first touch electrodes (11) respectively extend in a first direction (D1), and at least one among the plurality of first touch electrodes (11) comprises a plurality of first touch sub-electrodes (111) that are arranged in parallel in the first direction (D1) and that are electrically connected to one another. The plurality of second touch electrodes (12) respectively extend in a second direction (D2) that intersects the first direction (D1), and at least one among the plurality of second touch electrodes (12) comprises a plurality of second touch sub-electrodes (121) that are arranged in parallel in the second direction (D2) and that are electrically connected to one another. The plurality of first touch electrodes (11) are arranged in parallel in the second direction (D2), and the plurality of second touch electrodes (12) are arranged in parallel in the first direction (D1). The touch sensor (01) is provided with an open area (421; 422), and a transition area (424; 425) and a touch function area (423) that are sequentially arranged outward from the center of the open area (421; 422), and the center (012; 013) of the open area (421; 422) does not coincide with the center (011) of the touch sensor (01). The touch function area (423) surrounds the transition area (424; 425). The plurality of first touch electrodes (11) and the plurality of second touch electrodes (12) are located in the touch function area (423). Overall, the plurality of first touch sub-electrodes (111) and the plurality of second touch sub-electrodes (121) at least partially surround the open area (421; 422). The first crack blocking ring (27; 29) is located in the transition area (424; 425) and at least partially surrounds the open area (421; 422).