Patent attributes
A touch sensor comprises a first electrode, a second electrode arranged spaced apart from the first electrode, and an insulator arranged between the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode is energized, and an energy difference exists between the first electrode and the second electrode. At least one of the first electrode and the second electrode is a stressed electrode. When the stressed electrode is not stressed, no electrical signal is generated, and when the stressed electrode is stressed, the stressed electrode deforms at a stressed point and changes the distance between the stressed point and the other electrode to generate a tunneling current, and the touch sensor generates the electrical signal according to whether the tunneling current is generated. Therefore, the invention solves a limitation of the conventional touch sensor in touching and provides good touching sensitivity.
