A force sensor is disclosed. The force sensor includes a force-sensitive structure that compensates for temperature and other environmental changes through the use of a strain-sensitive element and one or more reference elements. An array of such force-sensitive structures forms a force-sensing layer.

A force sensing device includes a sensor array, a first substrate, a second substrate and a plurality of electrodes. The first substrate has a sensor region and a side region. The second substrate has a sensor region and a side region. The sensor array is formed above the sensor region of the first substrate. The plurality of electrodes are formed on the sensor region and the side region of the first substrate and below the sensor region and the side region of the second substrate, and coupled to the sensor array. The side region of the first substrate, the side region of the second substrate and the plurality of electrodes on the side region are foldable to a back side of the sensor array.

Disclosed embodiments relate to a force detection system that detects force exerted on a flexible display based upon changes in resistance and/or capacitance. In one embodiment, a method includes measuring a baseline comprising a baseline resistance or a baseline capacitance or both of a force measurement layer disposed within or overlaid on the display panel. The method further includes detecting a change in the baseline resistance or the baseline capacitance or both and calculating a change location where the change in the baseline resistance or the baseline capacitance or both occurred. The method also includes calculating a magnitude of the change in the baseline resistance or the baseline capacitance or both.

The present disclosure provides a touch substrate, its manufacturing method and a display device. The touch substrate includes a base substrate provided with a plurality of via-holes, a first electrode arranged at a first surface of the base substrate and covering the plurality of via-holes, and a plurality of second electrodes arranged at a second surface of the base substrate opposite to the first surface and each located at a position corresponding to a touch region. An elastic conductor is arranged in each via-hole so as to electrically connect the first electrode to at least one of the second electrodes in the case that the base substrate is being pressed. Each second electrode corresponds to at least one elastic conductor. The first electrode is connected to a bias voltage input end, and the second electrodes are each connected to a respective detection signal output end via a respective detection line.

A touch display panel and a touch display device are provided. They include a first substrate; and a first metal layer formed on one side of the first substrate. The first metal layer includes a plurality of touch electrode lines and a plurality of pressure sensing elements. The pressure sensing elements include segments of pressure sensing lines. At each crossing region where a touch electrode line comes across a pressure sensing element, two adjacent segments of pressure sensing lines are connected through a bridge. A second metal layer is formed between the first substrate and the first metal layer. The second metal layer includes a plurality of data lines extending along a first direction. A third metal layer is formed between the second metal layer and the first substrate. The third metal layer includes a plurality of scan lines extending along a second direction which is orthogonal to the first direction.

An example input device for force and proximity sensing includes a plurality of touch electrodes including touch transmitter electrodes and touch receiver electrodes, and a force electrode layer including a plurality of force electrodes. The input device further includes a resilient material layer disposed between the plurality of touch electrodes and the force electrode layer. The input device further includes a processing system coupled to the plurality of touch electrodes and the plurality of force electrodes, the processing system configured to: drive the transmitter electrodes with touch transmitter signals and acquire a transcapacitive proximity measurement from the touch receiver electrodes; and drive the plurality of force electrodes with force transmitter signals and acquire a transcapacitive force measurement from either the touch transmitter electrodes or the touch receiver electrodes.

According to one embodiment, a pressure sensor includes a film portion, a sensor unit, and a structure body. The film portion has a front surface and is deformable. The sensor unit includes a plurality of sensing elements arranged along the front surface. One of the plurality of sensing elements includes a magnetic layer, a opposing magnetic layer, and a nonmagnetic intermediate layer. The structure body is arranged with the first sensor unit along the arrangement direction of the plurality of sensing elements. The structure body includes a structure body layer, a opposing structure body layer, and a intermediate structure body layer. The structure body layer has at least one of a floating potential with respect to the opposing structure body layer or same potential as a potential of the opposing structure body layer.

A touch screen comprising a piezoelectric induction layer and an electric power collecting unit, wherein: the piezoelectric induction layer is configured to induct an external force to generate electric signals, and transmit the electric signals to the electric power collecting unit; and the electric power collecting unit is configured to process the electric signals and store electric power under driving of the electric signals. Thereby the problem of insufficient electric power of electronic device usually happened in being used is solved. A display screen, a display device and a method for storing electric power by using the display screen are further provided.

Disclosed are a touch sensor and a method of fabricating the same. An insulator of the touch sensor contains a polymer and has an array of vertically aligned nanowires structure. Therefore, the touch sensor can be easily changed in thickness, which facilitates change in electrostatic capacity, thereby increasing sensitivity of the touch sensor. In addition, the present invention can simplify an existing complicated process of fabricating a touch sensor.

An apparatus for inputting information into a computer includes a 3d sensor that senses 3d information and produces a 3d output. The apparatus includes a 2d sensor that senses 2d information and produces a 2d output The apparatus includes a processing unit which receives the 2d and 3d output and produces a combined output that is a function of the 2d and 3d output. A method for inputting information into a computer. The method includes the steps of producing a 3d output with a 3d sensor that senses 3d information. There is the step of producing a 2d output with a 2d sensor that senses 2d information. There is the step of receiving the 2d and 3d output at a processing unit. There is the step of producing a combined output with the processing unit that is a function of the 2d and 3d output.