A display device including: a display unit having a plurality of pixels; a plurality of touch electrodes disposed on the display unit; a touch line connected to a first end of each of the plurality of touch electrodes; a common voltage line spaced apart from the plurality of touch electrodes; and a plurality of switching elements connected between the common voltage line and a second end of each of the plurality of touch electrodes.

A sensor is provided and includes a first control line; a first signal line; a first auxiliary line; a first detection electrode; a first detection switch connected to the first detection electrode, the first control line and the first signal line; and a first shielding electrode connected to the first auxiliary line, wherein the first shielding electrode is located to overlap the first signal line via an insulating film.

One or more examples of the present disclosure relate generally to systems and methods for canceling mutual capacitive effects in a capacitance measurement. Some examples relate to providing a driven shield during capacitance measurement. Some examples relate to providing such a driven shield using rail-to-rail voltage.

A display controller includes a touch sensing controller configured to drive sensing electrodes with a touch sensing waveform that includes multiple modulations. The touch sensing controller is further configured to halt driving the plurality of sensing electrodes when a number of the modulations satisfies a selected sub-burst size. The touch sensing waveform is synchronized to an instance of a horizontal sync signal.

A touchscreen display includes one or more display drivers coupled to an active matrix display and one or more touch controllers coupled to one or more touch sensor conductors. The one or more display drivers are coupled to the active matrix display via active matrix conductive components. When enabled, the one or more display drivers is configured to transmit a first signal to the active matrix display in accordance with display operation. A touch sensor conductor includes one or more segments of the active matrix conductive components. When enabled, a touch controller of the one or more touch controllers is configured to transmit a second signal via the touch sensor conductor in accordance with touchscreen operation that is performed concurrently with the display operation.

The present disclosure provides a flexible circuit board, a driving structure and a display device. The flexible circuit board includes: a base plate, including a bonding region and a first routing region between the bonding region and the first edge, touch lines and shielding lines on the base plate and insulated and spaced from each other, and the touch lines includes a first routing portion in the first routing region; wherein the flexible circuit board further includes: a first shielding layer electrically connected to the shielding lines and insulated and spaced from the touch lines, wherein the first shielding layer is in the first routing region and on a side of the first routing portion distal to the base plate, and an orthographic projection of the first shielding layer on the base plate covers an orthographic projection of the first routing portion on the base plate.

A touch screen display includes a plurality of sets of electrodes facilitating touch sense functionality based on electrode signals having a drive signal component and a receive signal component. Each set of electrodes includes a corresponding proper subset of non-neighboring ones of a plurality of row electrodes and a corresponding proper subset of non-neighboring ones of a plurality of column electrodes. The row electrodes and the column electrodes form a plurality of cross points. The touch screen display further includes a plurality of sets of drive-sense circuits, where each set of drive-sense circuits is operable to generate a proper subset of a plurality of sensed signals indicating variations in capacitance associated with a proper subset of the plurality of cross points formed by a corresponding set of electrodes. The touch screen display further includes a processing module operable to process the plurality of sensed signals identify a user interaction.

According to various embodiments, an electronic device may comprise: one or more first electrodes; one or more second electrodes arranged in at least a different direction from the one or more first electrodes; one or more third electrodes arranged between the one or more second electrodes, respectively, in the same direction as the second electrodes when viewed from above; and a control circuit, wherein the control circuit is configured to detect touch information related to an external object, at least on the basis of a change in a capacitance value between at least a part of the one or more first electrodes and at least a part of the one or more second electrodes, and detect hovering information related to the external object, at least on the basis of a capacitance value related to at least a part of the one or more third electrodes. Various other embodiments are possible.

A method of foreign matter rejection for multi-touch capacitive touch screens includes performing touch detection in both self-capacitance mode and mutual capacitance mode. By combining information from both modes, a distinction is identified between wanted touches, such as by a finger or stylus, and unwanted touches such as by foreign matter.

A system and method for multi-touch integrity sensing for a multi-touch capacitive touch screen is disclosed. The system and method determines a distinction between wanted touches, such as via a finger or stylus, and unwanted touches such as via foreign matter, errors, and the like.