Abstract: A data driver includes a first latch that provides a first color grayscale in a first voltage range; a first level shifter that converts the first color grayscale in the first voltage range into a first color grayscale in a second voltage range greater than the first voltage range; a first decoder that generates a first gate control signal in the second voltage range based on the first color grayscale in the second voltage range; and a first digital-to-analog converter that provides a first gamma voltage of the first color grayscale based on the first gate control signal in the second voltage range.

Abstract: A touch sensing system including a touch sensing apparatus and a stylus is provided. The touch sensing apparatus includes a driver circuit and a touch sensing panel. The driver circuit drives the touch sensor panel to output an uplink signal. The stylus outputs a downlink signal to the touch sensor panel according to the uplink signal. The driver circuit adjusts a frequency of the uplink signal according to an operation mode of the touch sensing apparatus.

Abstract: Disclosed is a display device including a first data line, a second data line, a (1-1)th pixel circuit connected to the first data line, a (2-1)th pixel circuit connected to the second data line, a (1-1)th light-emitting element connected to the (1-1)th pixel circuit, having a first state in a first mode, and having a second state in a second mode, a (1-2)th light-emitting element connected to the (2-1)th pixel circuit, and having the first state in the first mode and in the second mode, and a first bridge line crossing the first data line, and connecting the (2-1)th pixel circuit and the (1-2)th light-emitting element.

Abstract: A split keyboard stack structure of an information handling system comprises a keyboard sensing hardware structure including capacitive sensor pads in a capacitive pads layer formed under a sealed input surface of the keyboard sensing hardware structure to detect capacitive changes from user interaction with a removable tactile input layer, and a host microprocessor to execute machine readable code instructions to receive an initial detected change in capacitance associated with the user input in one of a plurality of usage input modes at the capacitive sensor pads, and a host microprocessor to execute machine readable code instructions to orchestrate emission of light, via light emitting diodes situated under the removable tactile input layer to indicate status or guide user inputs as interactive illumination for various user inputs and operation of various usage modes for the keyboard sensing hardware structure.

Abstract: Disclosed is a display device which includes a voltage generator including a first converter that generates a first voltage using an input voltage and is shut down in response to a shutdown signal and a short circuit protection part including a first short circuit protection part that compares an output voltage of an output terminal of the first converter with a first reference voltage and outputs the shutdown signal. The first converter pre-charges the output voltage to a predetermined voltage level during a first period, maintains a level of the output voltage during a second period subsequent to the first period, and boosts and outputs the output voltage as the first voltage during a third period subsequent to the second period. The first short circuit protection part outputs the shutdown signal when the output voltage in the second period has a level lower than that of the first reference voltage.

Abstract: A display panel, comprising: a substrate (10), a plurality of sub-pixels (PX) and a plurality of data lines (DL) located in a display area (AA), and a multiplexing circuit (30) located in a first frame area (B1). The plurality of data lines (DL) are connected to the plurality of sub-pixels (PX). The multiplexing circuit (30) comprises a plurality of multiplexing units (31, 32, 33). At least one multiplexing unit (31, 32, 33) comprises a plurality of multiplexing transistors. The multiplexing transistors of the plurality of multiplexing units (31, 32, 33) are arranged in a plurality of rows and columns, one row of multiplexing transistors comprises a plurality of multiplexing transistors arranged in a first direction (X), and one column of multiplexing transistors comprises a plurality of multiplexing transistors arranged in a second direction (Y). The first direction (X) intersects with the second direction (Y).

Abstract: A LED display driving circuit includes a channel driving circuit configured to supply a channel current to a plurality of channel lines according to a pulse width modulation (PWM) control signal, a scan driving circuit including a plurality of scan switches connected to a plurality of scan lines and selectively turned on or off according to a scan signal to select a scan line connected to LEDs to emit light, and a plurality of precharge switches connected to the plurality of scan lines and operate complementarily with the scan switches, and a data controller configured to generate the PWM control signal, the scan signal, and the precharge control signal and maintain a target scan line in a floating state by turning off a precharge switch connected to a target scan line when a scan switch of a target scan line to which a shorted LED is connected is turned off when the shorted LED among the plurality of LEDs is detected.

Abstract: The present disclosure relates to a display device and a driving method of the display device that are capable of stabilizing the threshold voltage of a driving transistor. The display device may include a display area and a bezel area. First and second switches may be disposed in the bezel area. The first switch may be connected between a first voltage line and a first subpixel, and the second switch may be connected between a second voltage line and the first subpixel. During an initialization period, the first switch may be turned on to supply a first voltage to the first subpixel, and during an emission period, the second switch may be turned on to supply a second voltage to the first subpixel.

Abstract: A display device in some examples can include a display panel on which a plurality of sub-pixels are arranged, a data driver configured to provide a data voltage to the plurality of sub-pixels through a plurality of data lines, and a demultiplexer connected between the data driver and the plurality of data lines. The demultiplexer is configured with a plurality of switching elements controlled by a plurality of mux control signals.

Abstract: An embodiment provides a data driver for a display and a sensing circuit thereof, and the sensing circuit comprises: an analog front end circuit which generates an input voltage; a sample-and-hold circuit which stores a first sampling voltage according to the input voltage and generates a second sampling voltage obtained by converting the first sampling voltage; and an amplifier circuit which generates a sensing voltage according to the second sampling voltage.

Abstract: A system and method for transmitting signals using an input device is provided. The input device comprises a display and a touch sensor. The touch sensor has a plurality of sensor electrodes and a sensor circuit. The plurality of sensor electrodes are configured to transmit a periodic signal corresponding to a first waveform and a second waveform. The sensor circuit has a first charge pump configured to generate the first waveform to drive a first set of sensor electrodes of the plurality of sensor electrodes, and a second charge pump to configured generate the second waveform to drive a second set of sensor electrodes, different from the first set of sensor electrodes.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, and a plurality of subpixels and a plurality of data lines arranged on the base substrate. The subpixel includes a subpixel driving circuit and a light-emitting element coupled to each other. A plurality of subpixel driving circuits included in the plurality of subpixels includes a plurality of driving circuit columns, the driving circuit column includes a plurality of subpixel driving circuits arranged in a first direction, the plurality of driving circuit columns includes a plurality of column units, and the column unit includes at least two adjacent driving circuit columns. The data line coupled to the subpixel driving circuits in the column unit are arranged at a first side and/or a second side of the column unit, the first side is opposite to the second side in a second direction intersecting the first direction.

Abstract: A display panel, a driving method for the display panel and a display device. The display panel includes a gate driving circuit, the gate driving circuit includes shift registers of a plurality of stages arranged in sequence, the shift registers of the plurality of stages arranged in sequence are combined into N groups of gate driving sub-circuits, and shift registers in the N groups of gate driving sub-circuits are cascaded, respectively; an m-th group of gate driving sub-circuits in the N groups of gate driving sub-circuits includes a shift register of an m-th stage and a shift register of an (m+L*N)-th stage that are cascaded, where m is an integer that is greater than or equal to 1 and less than or equal to N.

Abstract: In a method for testing an electronic device, the method includes: providing an electronic device including a display layer and a sensor layer on the display layer and configured to operate at a touch drive frequency, the sensor layer including a plurality of first electrodes and a plurality of second electrodes insulatively intersecting the plurality of first electrodes; providing a test signal having a test frequency higher than the touch drive frequency to the plurality of first electrodes; measuring mutual capacitance with the plurality of first electrodes through the plurality of second electrodes; and determining whether or not the sensor layer is defective, based on the mutual capacitance.

Abstract: A semiconductor device with a high driving speed is provided. The semiconductor device includes first to third transistors and a first capacitor. One of a source and a drain of the third transistor is electrically connected to a gate of the second transistor, and the other of the source and the drain of the third transistor is electrically connected to a gate of the first transistor and a first terminal of the first capacitor. One of a source and a drain of the first transistor is electrically connected to one of a source and a drain of the second transistor, and the other of the source and the drain of the first transistor is electrically connected to the other of the source and the drain of the second transistor and a second terminal of the first capacitor.

Abstract: A tactile stimulation providing system includes: a tactile stimulation pattern generating apparatus for generating a tactile stimulation pattern through a user interface including a plurality of virtual actuators to which positions of a plurality of actuators are mapped; and a tactile stimulation providing apparatus including the plurality of actuators, the tactile stimulation providing apparatus driving the plurality of actuators according to the generated tactile stimulation pattern.

Abstract: Disclosed is a display panel and a display device that reduce electromagnetic noise generated in an operation of a multiplexer of the display device. The display device includes a data driving circuit configured to supply a data signal to a display panel; a multiplexer configured to selectively supply the data signal output through one output line of the data driving circuit to at least one of a plurality of data lines of the display panel; and a noise cancellation circuit configured to generate a plurality of cancellation signals to cancel electromagnetic noise generated during an operation of the multiplexer, based on a plurality of driving signals provided to the multiplexer.

Abstract: A source drive include a power supply circuit that includes a charge pump, a reference source generation circuit, and a low-dropout (LDO) regulator. The charge pump includes at least two on-chip capacitors, is coupled to the reference source generation circuit, and is configured to provide a negative voltage level for the reference source generation circuit based on an external positive voltage power supply. The reference source generation circuit is coupled to the LDO regulator. The reference source generation circuit is configured to provide a reference voltage for the LDO regulator based on the negative voltage level. The LDO regulator is coupled to a load circuit, and the LDO regulator is configured to output a power supply voltage to the load circuit based on the reference voltage and an external negative voltage power supply.

Abstract: A display device includes a display panel including a first pixel column in which first and third color pixels are alternately disposed, a second pixel column in which second color pixels are disposed, a third pixel column in which the third and first color pixels are alternately disposed, and a fourth pixel column in which the second color pixels are disposed. The display device further includes a scan driver applying a scan signal to scan lines, a data driver including a first source channel supplying a first color data signal and a second color data signal to a first data line, and a second source channel supplying the second color data signal and a third color data signal to a second data line, and a demultiplexer successively selecting the first and second sub-data lines during a period in which the scan signal is supplied to each scan line.

Abstract: A computer mouse device includes a body containing electronic circuits configured to control a cursor on a computing device, a rigid linkage, and a wrist support. The body includes a bottom surface configured to be used on a horizontal surface and a notch formed into the bottom surface. The rigid linkage has a first end and a second end. The first end of the rigid linkage is coupled to the body via the notch and the second end of the rigid linkage is coupled to the wrist support. The notch has a first plurality of indentations configured to receive the first end of the rigid linkage.