TOUCH INPUT DEVICE
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United States of America Patent
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app pub date -
Mar 16, 2016
filing date -
Mar 24, 2014
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Abstract
A touch input device includes a touch sensor including a plurality of touch electrodes; a display panel; and a reference potential layer. The touch sensor is completely laminated with the display panel. When a touch pressure is applied, the touch sensor and the display panel are bent. The reference potential layer is disposed apart from the touch sensor. A touch position is detected based on a first capacitance which is detected from the touch electrode and is changed by an approach of an object to the touch sensor. A magnitude of the touch pressure is detected based on a second capacitance which is detected from the touch electrode and is changed according to a distance between the touch sensor and the reference potential layer.
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