Abstract: A display device includes a display panel including touch electrodes, and a touch driving circuit including a driving signal output unit that outputs a touch driving signal supplied to the touch electrodes and a touch control unit that controls the driving signal output unit. The touch control unit sets the touch driving signal to swing between a first voltage and a second voltage higher than the first voltage, set the touch driving signal to rise to a third voltage higher than the second voltage and then lower from the third voltage to the second voltage, during a rising edge period, and set the touch driving signal to fall to a fourth voltage lower than the first voltage and then rise from the fourth voltage to the first voltage, during a falling edge period.

Abstract: In an inspecting method of a display device, the method includes: receiving an analog voltage from an external device; generating a first touch driving signal having a first potential based on the analog voltage; acquiring first raw data for each channel of touch electrodes by supplying the first touch driving signal to the touch electrodes; generating a second touch driving signal having a second potential higher than the first potential by using a charge pump; acquiring second raw data for each channel of the touch electrodes by supplying the second touch driving signal to the touch electrodes; calculating a ratio between the first raw data and the second raw data; and determining the charge pump is normal, based on the calculated ratio being within a designated range.

Abstract: According to an embodiment of the disclosure, a display device includes a sensor driver receiving firmware from an host in which the firmware is stored, the sensor driver including a second memory storing the firmware supplied from the host and initialized when a reset signal is supplied from the host, and a sensing unit for supplying a recovery signal corresponding to an abnormal state of the sensor driver to the host while sensing at least one of an internal voltage and a clock signal of the sensor driver.

Abstract: A flexible touch panel including a flexible substrate bent in a first direction, and a touch sensor unit disposed on the flexible substrate, the touch sensor unit including a bridge extending in a second direction intersecting the first direction.

Abstract: A touch test device for a display device, includes a loading unit receiving a display device. The display device includes a touch sensing unit having driving electrodes and sensing electrodes. A touch driving circuit driving the driving electrodes and the sensing electrodes and detecting touch signal data for the driving electrodes, sensing signal data for the sensing electrodes, and touch data of touch nodes positioned at intersections between the driving electrodes and the sensing electrodes. A test processing circuit calculates parameter values inversely proportional to resistance deviations of the driving electrodes and the sensing electrodes, performs an arithmetic operation on the parameter values and the touch data of the touch nodes to provide corrected touch data, and detects defects in the driving electrodes and the sensing electrodes according to a result of comparing and analyzing the corrected touch data.

Abstract: A touch sensing device includes a base layer, a touch electrode layer, a first reinforcing member, and a touch circuit board. The base layer includes a main area and a protruding area protruding from the main area in a first direction. The touch electrode layer is disposed on a surface of the base layer. The first reinforcing member is disposed on a surface of the protruding area. The touch circuit board is electrically connected to the touch electrode layer. The protruding area includes a bending area and a pad area. The bending area is bent downward. The pad area extends from the bending area in the first direction and overlaps the base layer in a second direction intersecting the first direction in a bent state of the bending area. The touch circuit board is attached to the pad area.

Abstract: A display device includes a display unit including pixels. A sensor unit overlaps with the display unit and includes sensors. A sensor driver transmits a driving signal to the sensors, and receives sensing signals corresponding to the driving signal from the sensors. One sensing period includes a first sensing period and a second sensing period. The sensor driver transmits a first driving signal having a first frequency to the sensors in the first sensing period, and transmits a second driving signal having a second frequency different from the first frequency to the sensors in the second sensing period.

Abstract: A touch test device for a display device, includes a loading unit receiving a display device. The display device includes a touch sensing unit having driving electrodes and sensing electrodes. A touch driving circuit driving the driving electrodes and the sensing electrodes and detecting touch signal data for the driving electrodes, sensing signal data for the sensing electrodes, and touch data of touch nodes positioned at intersections between the driving electrodes and the sensing electrodes. A test processing circuit calculates parameter values inversely proportional to resistance deviations of the driving electrodes and the sensing electrodes, performs an arithmetic operation on the parameter values and the touch data of the touch nodes to provide corrected touch data, and detects defects in the driving electrodes and the sensing electrodes according to a result of comparing and analyzing the corrected touch data.

Abstract: According to an embodiment of the disclosure, a display device includes a sensor driver receiving firmware from an host in which the firmware is stored, the sensor driver including a second memory storing the firmware supplied from the host and initialized when a reset signal is supplied from the host, and a sensing unit for supplying a recovery signal corresponding to an abnormal state of the sensor driver to the host while sensing at least one of an internal voltage and a clock signal of the sensor driver.

Abstract: A flexible touch panel including a flexible substrate bent in a first direction, and a touch sensor unit disposed on the flexible substrate, the touch sensor unit including a bridge extending in a second direction intersecting the first direction.

Abstract: A flexible touch panel including a flexible substrate bent in a first direction, and a touch sensor unit disposed on the flexible substrate, the touch sensor unit including a bridge extending in a second direction intersecting the first direction.

Abstract: A display is provided. A display panel including a first substrate, a second substrate an active element layer disposed on the first substrate, and a sealing member coupling the first substrate and the second substrate, and a touch member disposed on the display panel and including a touch signal line and a touch antistatic line, wherein the touch antistatic line is disposed outside the touch signal line and at least partially overlaps the sealing member, and the touch antistatic line has light transmittance higher than light transmittance of the touch signal line.

Abstract: A display device including: pixels; a data driver configured to start outputting data voltages to at least some of the pixels at a first time during a horizontal period, and end outputting the data voltages at a second time during the horizontal period; sensors; and a sensor driver configured to change a logic level of a sensing signal of at least some of the sensors at a third time different from the first time and the second time during the horizontal period, wherein at least one of the first time, the second time, and the third time is changed according to a number of times a logic level of a vertical synchronization signal is changed while a logic level of a horizontal synchronization signal is maintained.

Abstract: A display device includes a display unit having a display area with a first hole formed therein, and an input sensing unit which is disposed on the display unit and having a second hole corresponding to the first hole. the input sensing unit includes a base layer which includes: an adjacent area adjacent to the second hole; and a sensing area overlapping the display area, detection electrodes disposed on the sensing area; and a first connection wiring disposed on the adjacent area and that electrically connects at least two detection electrodes spaced apart by the second hole, disposed at respective sides of the second hole. The display unit includes dams disposed adjacent to the first hole, each of the dams forming a closed loop along edges of the first hole. The first connection wiring overlaps at least one of the dams.

Abstract: The present disclosure relates to a touch detection device that can increase the emission efficiency while maintaining touch detecting performance by improving the structure of touch electrodes. According to an embodiment of the disclosure, a touch detection device comprising a first touch insulating layer, a connection electrode disposed on the first touch insulating layer, a second touch insulating layer disposed on the connection electrode, a driving electrode disposed on a second touch insulating layer and connected to the connection electrode through at least one touch contact hole, and a sensing electrode disposed on the second touch and spaced apart from the driving electrode, wherein at least one of the driving electrode and the sensing electrode a conductive metal electrode and a metal oxide electrode which is oxidized.

Abstract: A flexible touch panel including a flexible substrate bent in a first direction, and a touch sensor unit disposed on the flexible substrate, the touch sensor unit including a bridge extending in a second direction intersecting the first direction.

Abstract: A display device includes a touch sensor, a touch driver, and display driver. The touch driver drives the touch sensor at a first frequency, provides touch driving signals to touch electrodes during a touch sensing period of a touch frame period, and stops providing the touch driving signals during a touch waiting period of the touch frame period. The display drivers drives a display panel at a second frequency lower than the first frequency in a first mode, provides scan signals to pixels during a display period of a display frame period, and stops providing the scan signals during a display waiting period of the display frame period. When the display driver switches from the first mode to a second mode, the display driver drives the display at a third frequency lower than the second frequency, and the touch driver increases the touch waiting period of the touch frame period.

Abstract: A display device includes a display unit having a display area with a first hole formed therein, and an input sensing unit which is disposed on the display unit and having a second hole corresponding to the first hole, the input sensing unit includes a base layer which includes: an adjacent area adjacent to the second hole; and a sensing area overlapping the display area, detection electrodes disposed on the sensing area; and a first connection wiring disposed on the adjacent area and that electrically connects at least two detection electrodes spaced apart by the second hole, disposed at respective sides of the second hole. The display unit includes dams disposed adjacent to the first hole, each of the dams forming a closed loop along edges of the first hole. The first connection wiring overlaps at least one of the dams.

Abstract: A display device includes a display unit including pixels. A sensor unit overlaps with the display unit and includes sensors. A sensor driver transmits a driving signal to the sensors, and receives sensing signals corresponding to the driving signal from the sensors. One sensing period includes a first sensing period and a second period. The sensor driver transmits a first driving signal having a first frequency to the sensors in the first sensing period, and transmits a second driving signal having a second frequency different from the first frequency to the sensors in the second sensing period.

Abstract: A flexible touch panel including a flexible substrate bent in a first direction, and a touch sensor unit disposed on the flexible substrate, the touch sensor unit including a bridge extending in a second direction intersecting the first direction.