A touch panel includes a cover panel, a touch sensor substrate in which a sensor electrode for detecting a position of a pointing object is disposed in a detection region, an adhesive agent being disposed between the cover panel and the touch sensor substrate, a first electrode being disposed in an outer region of a region corresponding to the detection region of a second surface of the cover panel, and a second electrode being disposed to overlap a part of the first electrode in plan view in an outer region of the detection region of a third surface of the touch sensor substrate.

A method includes displaying, by an electronic device, a graphical user interface (GUI) of a first application on a touchscreen of the electronic device, detecting, by the electronic device, a screenshot operation from a user, taking, by the electronic device, a screenshot of the GUI in response to the screenshot operation, displaying, on the touchscreen, a first preview image corresponding to an obtained first screenshot, detecting, by the electronic device, a first touch operation on the first preview image, updating the first preview image to a second preview image in response to the first touch operation, and displaying the second preview image on the touchscreen.

A display device that senses externally applied pressure and a change in the resonant frequency of a piezoelectric element. The display device includes a piezoelectric sensor layer including a piezoelectric sensor; and a display panel disposed on the piezoelectric sensor layer. The piezoelectric sensor includes: a piezoelectric element having a first electrode, a second electrode facing the first electrode, and a piezoelectric material disposed between the first electrode and the second electrode; an alternating current (AC) voltage generator connected to the first electrode and applies a voltage having a resonance frequency to the piezoelectric element. A sensing circuit connected to the second electrode is configured to measure a change in impedance of the piezoelectric element.

The invention relates to a system for recording a track comprising: a utensil comprising a tip and equipped with a magnetic object; a device for locating the magnetic object configured to determine an estimated reference position on a writing surface; and a matrix-array touch sensor configured to define a set of M pixels, among N pixels, at least partially encircling the estimated reference position, and to detect the contact of the tip on the writing surface on the basis of the electrical signals generated by said set of M pixels.

The disclosure discloses a driving method of a touch electronic device. The driving method includes the following steps. A panel including a first substrate, a second substrate, a first sensing electrode, and a second sensing electrode is provided. The first sensing electrode is disposed on the first substrate, and the second sensing electrode is disposed on the second substrate and is located between the second substrate and the first sensing electrode. A touch sensing mode is performed in a frame period, and execution of the touch sensing mode includes performing identical driving on the first sensing electrode and the second sensing electrode.

Embodiments described herein include an input device and associated processing system for sensing force applied by input objects. The input device comprises a display device comprising a plurality of layers formed as a display stack, the display stack including a top surface. The input device further comprises one or more strain gauges disposed within the display stack and configured to detect force applied to the top surface, and a processing system configured to perform display updating using the display device and to perform force sensing using the one or more strain gauges.

Embodiments of the present invention disclose a touchscreen device, and a method and an apparatus for performing an operation that relate to the field of information technologies, so as to reduce a limitation of identifiable operations provided to a user, and improve user experience. The method includes: detecting, by a touchscreen device, pressing force track information of a user on a touchscreen, where the pressing force track information is used to represent a change of a pressing force level in a process in which the user continuously presses the touchscreen; determining an operation corresponding to the pressing force track information, according to a current touch operation application scenario and correspondences between pressing force track information and operations; and performing the operation. The present invention is applicable to a touchscreen device that determines a corresponding operation according to pressing force track information of a user and performs the operation.

A device with touch sensing. The device includes a first sensor configured to detect a touch and to provide a first sensing signal, a second sensor configured to detect another touch and to provide a second sensing signal, a threshold generator configured to set a first threshold by a reflecting of an amount of change of the second sensing signal to an initial threshold, and a sensor circuit configured to generate a first differential signal based on the first sensing signal, and to determine a first touch based on a consideration of the first threshold with respect to a first signal generated based on the first differential signal and the first sensing signal.

Implementations include a display assembly for a switch assembly, comprising a display assembly touch overlay plate, wherein at least a portion of the display assembly touch overlay plate is comprised of a transparent or translucent material; a display, wherein the display is disposed underneath the display assembly touch overlay plate and wherein at least a portion of the display is visible through the portion of the display assembly touch overlay plate; a display assembly first housing and a display assembly second housing, wherein the display assembly touch overlay plate is in communication with the display assembly first housing, wherein a force applied to the display assembly touch overlay plate is at least partially transmitted from the display assembly touch overlay plate to the display assembly first housing to a switch assembly through a central portion of the display assembly first housing.

A display device includes: a frame that includes a plurality of protrusions; a display panel disposed on the frame that includes a planar portion and a curved portion; a pressure sensing unit disposed between the frame and the display panel that overlaps the curved portion and that includes a plurality of first electrodes and a plurality of second electrodes disposed in a different layer; and a pressure sensing drive unit connected to the plurality of first electrodes and the plurality of second electrodes. Any one of the plurality of second electrodes at least partially overlaps any one of the plurality of first electrodes. At least one of the plurality of protrusions overlaps a region where one of the plurality of first electrodes and one of the plurality of second electrodes overlap each other.