A touch-sensitive user input device comprising: a first electrode layer comprising a first plurality of electrodes; a second electrode layer comprising a second plurality of electrodes; an insulating layer disposed between the first electrode layer and the second electrode layer; and at least one piezoelectric transducer, wherein an electrode of the at least one piezoelectric transducer is coupled to the first plurality of electrodes of the first electrode layer.

A display panel, a display device, and a pressure sensing method are provided. The display panel includes a display region, a non-display region, a scanning driving circuit in the non-display region, a plurality of scanning lines extending in a first direction and being arranged in a second direction, and at least one pressure sensing unit. Each of the scanning lines is connected to one of output terminals of the scanning driving circuit and the first direction is perpendicular to the second direction. Each pressure sensing unit includes a first input terminal, a second input terminal, and a first output terminal. The first input terminal and the second input terminal are connected to different output terminals of the scanning driving circuit respectively, and the first output terminal is used for outputting a pressure sensing signal.

A touch sensor includes: a plurality of electrodes; and a plurality of sensing wires connected with the respective electrodes, and formed by extending in a first direction, wherein at least one of the electrodes includes a resistance element which has a shape that is at least partially bent in a unit electrode region and has a resistance value that is changed to correspond to a pressure of a touch. A touch location and pressure can be sensed with the same elements, so that the touch sensor may have increased function yet remain thin.

A display device according to an exemplary embodiment includes a display panel displaying an image, and a sensor unit positioned on the display panel and configured to sense a pressure caused by a gas as an input signal.

A software-defined sensing system capable of responding to CPU commands, including: at least one input operation sensing module; at least one driving unit for driving the at least one input operation sensing module via at least one first interface; at least one control unit for receiving at least one sensors-configuration command via at least one second interface to control the at least one driving unit; at least one central processing unit, having at least one first function library to provide at least one sensors-configuration setting function for determining the sensors-configuration command; and at least one application program having at least one sensors-configuration function call instruction for generating the sensors-configuration command to provide at least one input sensing function.

A display apparatus includes a first casing including a first screen including a first touch sensor to receive a finger input and a second casing including a second screen including a second touch sensor to receive a pen input. As the first casing and the second casing are overlapped with each other, the first screen and the second screen overlap with each other.

A multi-dimensional fabric user interface is described herein in which a accessing hidden menus to zoom using a dynamic grid. The system activates a hidden menu on a display screen, in response to receiving a pressure input user action on a user interface. The hidden menu including active regions and inactive regions. Next, the system also causes movement of a cursor over the hidden menu on the user interface, in response to receiving a motion input user action on the user interface. The system performs an operation associated with a utility, in response to receiving the pressure user action if the cursor on the hidden menu is over an active region. Then the system de-activates the hidden menu, in response to receiving the pressure user action.

A method may be executed by one or more active capacitive styluses and a sensor controller connected to sensor electrodes. The method includes: a discovery step, executed by the sensor controller, of repeatedly sending out a discovery packet for detecting any of the active capacitive styluses; a discovery response step, executed by a first active capacitive stylus among the one or more active capacitive styluses, by which the discovery packet is detected, of returning a response packet to the discovery packet; a configuration step, executed by the sensor controller, of transmitting a configuration packet including time slot designation information that designates a first time slot to the first active capacitive stylus; and a data transmission step, executed by the first active capacitive stylus, of transmitting operation state data indicative of an operation state of the first active capacitive stylus using the designated first time slot.

A display apparatus is provided. The display apparatus includes an array substrate, and includes control devices, light emitting diodes (LEDs) and an electrode pattern disposed on the array substrate. The LED includes first and second semiconductor layers, and includes a light emitting layer disposed between the first and second semiconductor layers. The electrode pattern includes first electrodes, second electrodes and touch driving signal lines. Each first electrode is electrically connected with the first semiconductor layer of at least one of the LEDs. Each second electrode is electrically connected with the second semiconductor layer of one of the LEDs and one of the control devices. The touch driving signal lines are respectively disposed between adjacent first electrodes. At least an edge of each first electrode is adjacent to a line section of the touch driving signal lines.

An apparatus for combined capacitance and pressure sensing is described. The apparatus includes a multiplexer (75) having a plurality of inputs (76) and an output (F), a touch panel (29), and a front end module (3). The touch panel includes a layer structure (5; FIG. 15) comprising one or more layers, each extending perpendicularly to a thickness direction, the one or more layers including a layer of piezoelectric material (10; FIG. 15), the layer structure having first (6) and second (7; FIG. 15) opposite faces, and the layer(s) arranged between the first and second faces such that the thickness direction of each layer is perpendicular to the first and second faces. The touch panel also includes a plurality of first electrodes (8) disposed on the first face, each first electrode connected to a respective input of the multiplexer. The touch panel also includes at least one second electrode (9) disposed on the second face. The front end module is configured to receive an input signal (11) from the multiplexer output. The front end module includes a first stage (12) configured to provide an amplified signal based on the input signal, and a second stage comprising first (13) and second (14) frequency-dependent filters configured to receive the amplified signal and to provide respective first (16) and second (17) filtered signals. The first filtered signal has a first frequency bandwidth, and the second filtered signal has a second frequency bandwidth which has a relatively higher start-frequency than the first frequency bandwidth.