A touch sensor having a touch active region and a peripheral region surrounding at least a portion of the touch active region, the touch sensor comprising: first sensor electrodes extending in a first direction and arranged in a second direction intersecting the first direction; second sensor electrodes extending in the second direction and arranged in the first direction; an opening in the touch active region spaced from the first sensor electrodes and the second sensor electrodes; a third sensor electrode extending in the first direction and disposed adjacent a first portion of the opening; a fourth sensor electrode extending in the first direction and disposed adjacent a second portion of the opening, said fourth sensor electrode separated by said opening from said third sensor electrode first lines (RL1-1, RL1-2, RL1-3) respectively connected to first end portions of the first sensor electrodes, the first lines (RL1-1, RL1-2, RL1-3) disposed in a first peripheral area of the peripheral region adjacent to the first portion of the opening; second lines (RL2-1, RL2-2, RL2-3, RL2-4, RL2-5) respectively connected to portions of the second sensor electrodes, the second lines (RL2-1, RL2-2, RL2-3, RL2-4, RL2-5) disposed in a second peripheral area of the peripheral region adjacent to the second portion of the opening; a third line (RL3-1) connected to a portion of the third sensor electrode, the third line (RL3-1) disposed in the first peripheral area; a fourth line (RL4-1) connected to a portion of the fourth sensor electrode, the fourth line (RL4-1) disposed in the second peripheral area; and a first shielding electrode disposed in the second peripheral region, the first shielding electrode extending between the second lines (RL2-1, RL2-2, RL2-3, RL2-4, RL2-5) and the fourth line (RL4-1), wherein the first lines (RL1-1, RL1-2, RL1-3), the second lines (RL2-1, RL2-2, RL2-3, RL2-4, RL2-5), the third line (RL3-1) and the fourth line (RL4-1) comprise routing lines, each routing line being for use in applying a driving signal to a respective sensor electrode or for use in the detection of a change in capacitance generated in the respective sensor electrode, wherein second end portions of the first sensor electrodes are not connected to routing lines. first sensor electrodes extending in a first direction and arranged in a second direction intersecting the first direction; second sensor electrodes extending in the second direction and arranged in the first direction; an opening in the touch active region spaced from the first sensor electrodes and the second sensor electrodes; a third sensor electrode extending in the first direction and disposed adjacent a first portion of the opening; a fourth sensor electrode extending in the first direction and disposed adjacent a second portion of the opening, said fourth sensor electrode separated by said opening from said third sensor electrode first lines (RL1-1, RL1-2, RL1-3) respectively connected to first end portions of the first sensor electrodes, the first lines (RL1-1, RL1-2, RL1-3) disposed in a first peripheral area of the peripheral region adjacent to the first portion of the opening; second lines (RL2-1, RL2-2, RL2-3, RL2-4, RL2-5) respectively connected to portions of the second sensor electrodes, the second lines (RL2-1, RL2-2, RL2-3, RL2-4, RL2-5) disposed in a second peripheral area of the peripheral region adjacent to the second portion of the opening; a third line (RL3-1) connected to a portion of the third sensor electrode, the third line (RL3-1) disposed in the first peripheral area; a fourth line (RL4-1) connected to a portion of the fourth sensor electrode, the fourth line (RL4-1) disposed in the second peripheral area; and a first shielding electrode disposed in the second peripheral region, the first shielding electrode extending between the second lines (RL2-1, RL2-2, RL2-3, RL2-4, RL2-5) and the fourth line (RL4-1), wherein the first lines (RL1-1, RL1-2, RL1-3), the second lines (RL2-1, RL2-2, RL2-3, RL2-4, RL2-5), the third line (RL3-1) and the fourth line (RL4-1) comprise routing lines, each routing line being for use in applying a driving signal to a respective sensor electrode or for use in the detection of a change in capacitance generated in the respective sensor electrode, wherein second end portions of the first sensor electrodes are not connected to routing lines.