In part, the disclosure relates to a method of reducing the interaction of mobile phones and capacitive touchscreens with electrically charged aerosols. The method may include reducing electrostatic field from a mobile device using one or more conductive meshes sized to shield a region of a mobile device, wherein the region of the mobile device is an electric field source. Additionally, the method may also include processing signals used to charge the mobile device using one or more of a linear regulator and a signal conditioner to reduce harmonic content of the signals such that the voltage level of signals used to charge the mobile device is less than about 100 V/m RMS, or even more preferably to less than about 20 V/m RMS.

A fingerprint sensing device that includes an analog-front-end (AFE) circuit, an analog-to-digital converter (ADC) and a correction circuit is introduced. The AFE circuit generates an image signal, and the ADC converts the image signal to an output digital code. The correction circuit receives a plurality of first output digital codes that are generated by performing a plurality of first fingerprint sensing operations in a plurality of first exposure time periods. The correction circuit is further configured to calculate a second exposure time period for a second fingerprint sensing operation according to the first output digital codes and the first exposure time periods, wherein the fingerprint sensing device performs the second fingerprint operation in the second exposure time period to generate a second output digital code.

The application relates to a capacitance sensing circuit, which samples and holds a reference signal to generate an input reference signal, hereby, an input signal is generated to a sensing circuit. Thereby, the sensing circuit generates an output signal according to the input signal and a sensing signal, for the capacitance sensing.

An electronic device including a display layer, a sensor layer that senses a first input by proximity sensing and a second input by a touch, wherein the sensor layer is disposed on the display layer and includes a plurality of first electrodes extending in a first direction and a plurality of second electrodes extending in a second direction intersecting the first direction, and a control unit that controls the sensor layer. When the first input is sensed, the control unit obtains a measurement signal from one of the plurality of first electrodes, obtains a noise signal from another of the plurality of first electrodes, and determines whether the first input is sensed, based on the measurement signal and the noise signal.

A display device includes a display module, a flexible circuit film, a sensor controller, and a cover layer. The display module includes a display panel and an input sensor including a sensing electrode. The flexible circuit film includes a first conductive pattern, a second conductive pattern receiving a reference voltage, and a signal line electrically connected to the sensing electrode. The sensor controller is electrically connected to the signal line and the second conductive pattern and is disposed on the flexible circuit film. The cover layer is disposed on the flexible circuit film and includes a first conductive layer electrically connected to the first conductive pattern and overlapping the signal line, a second conductive layer disposed on the first conductive layer, electrically connected to the second conductive pattern, and overlapping the signal line, and a first insulating layer disposed between the first conductive layer and the second conductive layer.

A display device includes light emitting elements in an active area and each light emitting element includes an anode, a light emitting layer, and a cathode; signal lines in a non-active area outside the active area; an encapsulation unit on the light emitting elements and the signal lines; touch electrodes on the encapsulation unit in the active area; first lines on the encapsulation unit in the non-active area and electrically connected to the touch electrodes; a second line outside the first lines; first auxiliary lines under the first lines and respectively electrically connected to a part of the first lines through first electrodes; and a second auxiliary line under the second line and electrically connected to the second line through a second electrode. The cathode is on an entire surface of the active area and extends to a shielding area of the non-active area.

A touch sensing display device and a driving method thereof for improving touch noise characteristics during moving image driving are discussed. The touch sensing display device can include a display panel including touch electrodes and subpixels defined by data lines and gate lines, and a timing controller configured to output an average data value and a touch synchronization signal in which display driving periods and touch driving periods are alternately time-divided, a touch controller configured to output a charge remover capacitance compensation value, a charge remover voltage compensation value, and a gain compensation value according to the average data value. Further, the touch sensing display device can include a power controller configured to output a charge remover voltage according to the charge remover voltage compensation value, and a touch driving circuit configured to sense a touch signal from each touch electrode and output a touch sensing value.

An electronic device includes: a display layer to display an image; a sensor layer on the display layer; and a sensor driver electrically connected with the sensor layer, and to be selectively driven in a first mode for detecting a passive input, or a second mode for detecting an active input. In the second mode, the sensor driver is to: receive a plurality of sensing signals from the sensor layer; divide the plurality of sensing signals into a valid signal and a noise signal; calculate intermediate coordinates based on the valid signal; and correct the intermediate coordinates based on the noise signal to calculate input coordinates.

A method of processing a number of force values is described. Each force value corresponds to a sensor location. The sensor locations are spaced apart along a direction. The method includes receiving the force values (S11). The method also includes determining whether the force values include one or more candidate peaks (S12). Each candidate peak corresponds to a local maximum of the force values. The method also includes, in response to at least one candidate peak exceeds a minimum force threshold (S13), interpolating the force values and estimating a number of peak coordinates and corresponding peak force values based on the interpolated force values and the candidate peaks (S14) which exceed the minimum force threshold.

A semiconductor device comprises driver circuitry, an analog-digital (AD) converter, and processing circuitry. The driver circuitry is configured to supply a drive signal to a sensor array in a sensing frame comprising 2N bursts, N being an integer of two or more. The mixer circuitry is configured to modulate a plurality of carrier waves with a plurality of sensing signals corresponding to capacitances of a plurality of sensing electrodes of the sensor array, respectively, to output a plurality of mixer outputs. A number of the plurality of sensing electrodes is 2N−1 or 2N. The AD converter is configured to perform AD conversion on a sum signal of the plurality of mixer outputs. The processing circuitry is configured to detect an object based on the output of the AD converter.