Touch sensor and display device having the same
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United States of America Patent
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Nov 3, 2020
Grant Date -
Jan 18, 2018
app pub date -
Jul 6, 2017
filing date -
Jul 14, 2016
priority date (Note) -
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Abstract
A touch sensor may include a base substrate, a sensing unit including a first electrode and a second electrode provided on a same layer of the base substrate and not overlapping with each other, wherein a capacitance of the sensing unit is changed by a user's touch, and a cushion layer disposed on at least one surface of the sensing unit and configured to have a permittivity change in response to a pressure of the user's touch, wherein the cushion layer may include an insulator and conductive particles and the insulator may include an elastic material elastically deformed by the pressure of the user's touch.
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