Abstract: A display device includes a display layer, and a sensor layer having a sensing region and a second sensing region. The sensor layer includes a plurality of first transmission electrodes and a plurality of second transmission electrodes, a first transmission signal having a first waveform and a second transmission signal having a second waveform are provided to the plurality of first transmission electrodes, a third transmission signal having the second waveform and a fourth transmission signal having the first waveform are provided to the plurality of second transmission electrodes, and the first to fourth transmission signals are provided concurrently.

Abstract: A touch sensor apparatus includes a touch sensor and a transistor. The transistor is connected to the touch sensor. The transistor includes a first electrode configured to receive a first touch driving signal, a control electrode configured to receive a second touch driving signal and a second electrode connected to the touch sensor. A phase of the first touch driving signal is substantially the same as a phase of the second touch driving signal.

Abstract: A display device includes a display panel, an input sensor disposed on the display panel and sensing an input during a sensing frame period, a display controller receiving a vertical synchronization signal and a horizontal synchronization signal and controlling driving of the display panel in response to the vertical synchronization signal and the horizontal synchronization signal, and a sensor controller providing a transmission signal including a plurality of sampling periods to the input sensor. The display controller provides frequency information of a display frame period to the sensor controller using at least one of the vertical synchronization signal and the horizontal synchronization signal, and the sensor controller controls the number of the sampling periods of the sensing frame period based on the frequency information.

Abstract: A display device includes a display unit including a plurality of pixels connected to an initialization line and a first power source line, a sensor unit provided on the display unit and including a plurality of driving electrodes, a sensor driver providing a touch driving voltage to a plurality of driving lines connected to the plurality of driving electrodes, a power supply providing an initialization voltage to the initialization line and providing a first power source voltage to the first power source line, and a compensation circuit compensating for the initialization voltage.

Abstract: A display device including: a touch array including a plurality of touch electrodes; and a touch driver configured to sense a touch adjacent to the touch array, wherein the touch driver transmits, to an external device, uplink signals in which different position information are included through at least some of the touch electrodes in a first time period, and receives, from the external device, position information of the external device on the touch array in a second time period after the first time period, and wherein the position information of the external device is calculated by the external device, using the uplink signals.

Abstract: A display device includes a display panel including a plurality of pixels, a display driver configured to display an image on the display panel in a frame period unit, to display the image on the display panel in a display period of the frame period, and to not display the image in a blank period of the frame period, a touch panel including touch electrodes, and a touch driver configured to sense a touch adjacent to the touch panel via the touch electrodes, and to transmit an uplink signal to an external device through the touch electrodes in a first time period, the first time period being in the blank period.

Abstract: A touch device includes a touch panel including touch electrodes, and a touch driver adjacent to the touch panel, configured to sense a touch of a user, configured to transmit uplink signals including position information of the touch electrodes to an active pen through at least some of the touch electrodes in a first touch period, and configured to receive a sensing signal including position information of the active pen, which is calculated using the uplink signals, from the active pen in a second touch period after the first touch period.

Abstract: A display device includes: a touch sensing unit on a front surface of an image display area and configured to sense a location of a touch; a display driver circuit configured to select one of first to third temperature sensing modes during a predetermined temperature sensing period and to generate at least one of first to third mode sensing control signals according to the selected temperature sensing mode; and a touch driver circuit configured to generate at least one of first to third temperature sensing map data in response to at least one of the first to third mode sensing control signals, wherein the display driver circuit is configured to compensate for image data based on at least one of the first to third temperature sensing map data and to display an image according to the compensated image data in the display area.

Abstract: An electronic device includes a sensor in which a sensing area and a peripheral area proximate to the sensing area are defined, and a sensor driver driving the sensor. The sensor includes first electrodes disposed in the sensing area and arranged along a first direction, and second electrodes arranged along a second direction intersecting the first direction. A boundary extending along the second direction is defined in the sensing area. The sensor driver simultaneously outputs a plurality of boundary transmit signals to a plurality of boundary electrodes disposed in a boundary area including the boundary among the plurality of first electrodes.

Abstract: An input sensing device includes a sensor that includes a plurality of first electrodes and a plurality of second electrodes, and a sensor driver that operates in a first sensing mode and a second sensing mode. During the first sensing mode, the sensor driver generates a first sensing signal by transmitting transmission signals to the sensor and receiving reception signals from the sensor. During the second sensing mode, the sensor driver generates a second sensing signal by transmitting the transmission signals to the sensor and receiving the reception signals from the sensor. The sensor driver selects one of a plurality of compensation maps based on the first sensing signal, compensates for the second sensing signal based on the selected compensation map, and outputs the compensated sensing signal.

Abstract: A display device includes a display panel, an input sensor disposed on the display panel and sensing an input during a sensing frame period, a display controller receiving a vertical synchronization signal and a horizontal synchronization signal and controlling driving of the display panel in response to the vertical synchronization signal and the horizontal synchronization signal, and a sensor controller providing a transmission signal including a plurality of sampling periods to the input sensor. The display controller provides frequency information of a display frame period to the sensor controller using at least one of the vertical synchronization signal and the horizontal synchronization signal, and the sensor controller controls the number of the sampling periods of the sensing frame period based on the frequency information.

Abstract: An electronic device includes: a sensor layer including a first area and a second area adjacent to the first area; a first driving circuit providing a first driving signal to the sensor layer and receiving first data output from the first area of the sensor layer; and a second driving circuit providing a second driving signal to the sensor layer and receiving second data output from the second area of the sensor layer. The second driving circuit provides intermediate data to the first driving circuit. The intermediate data is obtained based on the second data, and the first driving circuit generates result data based on the first data and the intermediate data.

Abstract: An electronic device includes: a sensor layer including a first area and a second area adjacent to the first area; a first driving circuit providing a first driving signal to the sensor layer and receiving first data output from the first area of the sensor layer; and a second driving circuit providing a second driving signal to the sensor layer and receiving second data output from the second area of the sensor layer. The second driving circuit provides intermediate data to the first driving circuit. The intermediate data is obtained based on the second data, and the first driving circuit generates result data based on the first data and the intermediate data.