Display substrate and driving method thereof, and display device
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United States of America Patent
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Jan 30, 2018
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app pub date -
Oct 20, 2016
filing date -
Oct 30, 2015
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Abstract
A display substrate includes a base, a middle frame below the base and a pressure sensor for sensing a touch operation to generate a touch signal. The pressure sensor includes multiple sensing units, each having a first electrode on the base that deforms in response to the sensed touch pressure; a second electrode between the middle frame and the base that forms a capacitor with the first electrode, the capacitance of the capacitor changing with the deformation of the first electrode; and a sensing circuit electrically connected to the first electrode for transforming changes in the capacitance into electrical signals so as to generate the touch signal.
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