Abstract: Embodiments described herein is able to provide a touch display device, an active pen, a touch system, a touch circuit, and a pen recognition method capable of efficiently providing a display function, a touch-sensing function, and a pen-touch-sensing function.

Abstract: An organic light-emitting display device can include a display panel that expresses luminance based on a driving current corresponding to a data voltage and a first power; a control circuit that outputs a first mode control signal for a normal mode and a second mode control signal for a standby mode for lower luminance; and a power source that supplies the first power at a first voltage level, in response to receiving the first mode control signal, and supplies the first power at a second voltage level that is lower than the first voltage level, in response to receiving the second mode control signal.

Abstract: An organic light-emitting display panel having a built-in touchscreen and an organic light-emitting display device having a built-in touchscreen is disclosed. The organic light-emitting display panel includes a plurality of subpixels defined therein by a plurality of data lines and a plurality of gate lines, an encapsulation layer having an encapsulating function, and a color filter layer located on the encapsulation layer. The organic light-emitting display device includes the organic light-emitting display panel. Both the organic light-emitting display panel having a built-in touchscreen and the organic light-emitting display device having a built-in touchscreen is provided with a structure enabling a touchscreen disposed therewithin.

Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.

Abstract: A method of driving a display device includes: sensing a touch signal from a plurality of touch electrodes in a touch panel, sensing a force signal from a force sensor, based on the sensed touch signal, determining whether or not the touch panel is in a submerged state, when the touch panel is determined to be in the submerged state, increasing sensing periods of the touch signal and the force signal, detecting a baseline variation of the force sensor, based on the detected baseline variation, changing a sensing reference value of the force sensor, based on the increasing the sensing periods, sensing the force signal equal to or greater to the changed sensing reference value through the force sensor, and when the force signal equal to or greater to the changed sensing reference value is sensed through the force sensor, decreasing the sensing periods.

Abstract: An active stylus pen is insensitive to external noise and has enhanced sensing performance with respect to an uplink signal input from a touch screen. The active stylus pen includes a housing connected to a ground, a conductive tip protruding outwardly from one side of the housing and brought into contact with a touch screen, a conductor layer surrounding an outer surface of the housing with an insulator interposed therebetween, a pen driving circuit connected to the conductor layer, and a switch connecting the conductor layer and the pen driving circuit. The pen driving circuit is cased by the housing, receives an uplink signal and a touch sensor driving signal from the touch screen, generates a pen driving signal synchronized with the touch sensor driving signal and outputs the generated pen driving signal to the touch screen through the conductive tip.

Abstract: The present disclosure provides a touch display panel or a touch display device and a gate driving circuit included in the touch display panel or the touch display device. The gate driving circuit includes a shift register group outputting scan signals during a display driving period and a dummy shift register group outputting dummy signal during a touch driving period. The gate driving circuit transmits a signal output immediately before a display driving period before a touch driving period ends, through dummy shift registers during the touch driving period such that the signal is used for outputting a first scan signal in the next display driving period. Accordingly, it is possible to prevent output reduction of a scan signal at the boundary between the touch driving period and the display driving period and prevent defect in an image due to the output reduction.

Abstract: A display device and a method of driving the same are disclosed. The display device includes a display panel including a first display area and a second display area that are adjacent to each other, and a first touch sensor disposed in the first display area, a sensor screen disposed on the display panel and including a fingerprint sensor and a second touch sensor at a location corresponding to the second display area of the display panel, a display touch integrated circuit (IC) configured to drive pixels of the first and second display areas and the first touch sensor, and a fingerprint touch IC configured to drive the fingerprint sensor in a portion of one frame period, in which the first touch sensor is not driven.

Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.

Abstract: An organic light emitting display device and a fabrication method comprising a touch electrode layer including touch electrodes and touch lines on an upper substrate which are directly formed on the upper substrate to secure a large distance between the touch electrodes and cathode as well as minimize a distance between the upper and lower substrates, thereby widening the viewing angle of an image while reducing a parasitic capacitance.

Abstract: An organic light-emitting display device according to one embodiment of the present disclosure includes a substrate, a thin-film transistor formed on the substrate, a planarization layer formed on the thin-film transistor, an organic light-emitting element formed on the planarization layer, the emitting element including an organic light-emitting layer and a cathode, and a lower auxiliary wiring between the organic light-emitting element and the planarization layer, the wiring electrically connected with the cathode.

Abstract: Disclosed is a display device for realizing a transparent image. The display device includes a display panel, a source printed circuit board (PCB) on which a signal line is mounted, a control PCB on which a timing controller is mounted, and a circuit film connected to the display panel at one side of the circuit film and connected to the source PCB at another side. The source PCB and the control PCB are disposed to overlap each other.

Abstract: Disclosed are a light emitting diode display device and a multi-screen display device using the same, which include a minimized bezel area. The light emitting diode display device includes a substrate including a first display area and a second display area surrounding the first display area, a plurality of first unit pixels provided in the first display area and each including a plurality of subpixels each including a micro light emitting device, and a plurality of second unit pixels provided in the second display area overlapping an edge of the substrate and each including a plurality of subpixels and having a size less than a size of each of the plurality of first unit pixels.

Abstract: An organic light-emitting display device can include a display panel that expresses luminance based on a driving current corresponding to a data voltage and a first power; a control circuit that outputs a first mode control signal for a normal mode and a second mode control signal for a standby mode for lower luminance; and a power source that supplies the first power at a first voltage level, in response to receiving the first mode control signal, and supplies the first power at a second voltage level that is lower than the first voltage level, in response to receiving the second mode control signal.

Abstract: An electronic device can include: a pixel array layer disposed on a substrate and including a plurality of pixels, each of the plurality of pixels including a thin film transistor and an organic light emitting device; an encapsulation layer covering the pixel array layer; a shielding layer disposed on the encapsulation layer; and a touch sensing layer disposed on the shielding layer to sense coordinates of a touch input, in which the touch sensing layer includes a pressure response member for sensing a touch force of the touch input.

Abstract: Disclosed is a display device including a display panel configured to be situated under a transparent substrate and display an image on a display area toward the transparent substrate, a fingerprint sensor under the display panel to detect a fingerprint contacting the transparent substrate, and a drive integrated circuit (drive IC) configured to drive the display panel.

Abstract: An electroluminescent display device integrated with a fingerprint sensor comprises: a display panel comprising a plurality of display pixels; a transparent substrate bonded to the top of the display panel; and an image sensor bonded to the bottom of the display panel, wherein each of the display pixels in at least some part of the pixel array on the display panel comprises a light transmission area, the image sensor comprises a plurality of photosensors, one or more of the photosensors are exposed within the light transmission area, and the resolution of the image sensor is higher than or equal to the resolution of the display panel.

Abstract: Disclosed herein is a touch sensor integrated type electroluminescent display device having a plurality of gate lines and data lines crossing over each other; a plurality of pixel electrodes to which data signals are supplied through the plurality of data lines; and a touch electrode configured to overlap the plurality of pixel electrodes, wherein a touch driving signal is supplied to the touch electrode and then a touch position is detected from sensing the touch electrode.

Abstract: Embodiments described herein is able to provide a touch display device, an active pen, a touch system, a touch circuit, and a pen recognition method capable of efficiently providing a display function, a touch-sensing function, and a pen-touch-sensing function.

Abstract: An organic light-emitting display device includes an organic light-emitting display panel having a plurality of subpixels connected to data lines and gate lines; a data driver driving the data lines; and a gate driver driving the gate lines, wherein the organic light-emitting display device has a first mode having a first refresh rate and a second mode having a second refresh rate that is lower than the first refresh rate, the second mode having a first period and a second period that is subsequent to the first period, and wherein, in the first period of the second mode, the data driver subsequently supplied data voltages to at least two of the plurality of subpixels, and in the second period of the second mode, the data driver supplies a specific voltage to the plurality of subpixels, the specific voltage being the same as one of at least two of the data voltages sequentially supplied to the at least two subpixels.