35results about How to "Improve touch reporting rate" patented technology

A disclosed method for assigning a touch identification in a multi-touch sensitive display device is includes applying a touch driving signal to touch sensors of a touch screen and generating raw touch data, detecting touch points based on the raw touch data and respectively assigning temporary identifications (IDs) to the touch points, grouping the touch points based on a difference in distances between the touch points to form touch groups, and forming adaptive touch groups respectively based on the touch groups. The method also includes setting a comparison block including one or more of the adaptive touch groups contacting or overlapping each other, and matching the temporary ID assigned to one of the touch points within the comparison block in the current frame to one of a plurality of touch IDs within the comparison block in a previous frame.

A touch sensing system and a driving method thereof are provided. The touch sensing system includes: a touch screen drive circuit which senses a change in the amount of electric charge in touch sensors during a sensing period, generates raw data and temporarily stores it in a buffer memory, transmits the raw data read out from the buffer memory to an algorithm execution unit during a raw data transmission period, and calculates the coordinates of touch input by the algorithm execution unit during an algorithm execution period. The touch screen drive circuit controls the amount of data stored in the buffer memory and the start timing of a read operation to make the sensing period and the raw data transmission period overlap each other.

A touch panel device with reconfigurable sensing points includes a panel, a plurality of sensing points, a plurality of selectors, and a controller. The sensing points, are arranged on the panel for sensing a touch generated from an external object and generating a corresponding signal. Each selector has a first terminal connected to a corresponding sensing point, a second terminal connected to a common output terminal, and a control terminal. The controller is connected to the control terminal of each selector for controlling the plurality of selectors to be electrically connected to the common output terminal or not. The controller configures the control terminals of the plurality of selectors to allow some of the sensing points to be electrically connected to the common output terminal, so as to proceed with a hierarchical block touch sensing.

The invention provides a touch display device. The touch display device comprises a touch layer and a display panel, the touch layer is located on the light emitting side of the display panel. The display panel comprises a plurality of sub-pixels. The touch layer comprises a plurality of touch units, each touch unit comprises a first electrode electrically connected through a first connecting partin the first direction, the width of the first connecting part in the direction perpendicular to the extending direction of the first connecting part is larger than or equal to the width of three sub-pixels, and the first connecting part and the first electrode are arranged on the same layer. Compared with the prior art, the impedance of the first connecting part is reduced by enabling the firstconnecting part to surround at least three sub-pixels in the direction perpendicular to the extending direction of the first connecting part, so that the resistance-capacitance delay of the first electrode for conducting an electric signal is effectively reduced, the touch scanning frequency is improved, and the touch reporting rate is improved.

The invention provides an OLED display panel and a display device. The OLED display panel comprises a substrate; a driving circuit layer; a planarization layer; a light-emitting function layer which comprises a pixel electrode layer, a pixel definition layer, light-emitting material layers and a common electrode layer, and packaging layers and a touch layer, wherein the pixel definition layer is patterned to form pixel definition areas and grooves, the grooves are formed between at least two adjacent pixel definition areas, the light-emitting material layers are formed in the pixel definitionareas, and the common electrode layer is flatly laid on the pixel definition layer and the light-emitting material layers; the thickness of packaging layers in groove areas is greater than the thickness of packaging layers outside the groove areas and outside the pixel definition area; the touch layer comprises a touch electrode, the touch electrode is of a grid structure surrounding the pixel definition area, and the projection of the touch electrode on the substrate at least partially coincides with the projections of the grooves on the substrate. Therefore, the distance between the common electrode and the touch electrode is increased, the parasitic capacitance between the common electrode and the touch electrode is reduced, and the touch reporting rate and the touch sensitivity of theOLED display panel are improved.

A touch sensing system and a method of driving the same are disclosed. The touch sensing system includes a touch screen integrated display panel provided with a plurality of touch sensors and a plurality of pixels, a timing controller time-dividing one display frame into a plurality of touch periods and a plurality of display periods, a microcontroller unit dividing a sensing mode of the plurality of touch sensors into a full scan mode and a local scan mode, and a touch integrated circuit (IC) sensing a finger touch input of the touch sensors through the touch periods in the full scan mode and time-division sensing a finger touch input and a pen touch input of the touch sensors through the touch periods in the local scan mode.

The display device with integrated touch screen includes a panel configured to time-division operate during first and second display durations and first and second touch durations at every frame, a touch IC configured to apply a touch scan signal to a plurality of electrodes to allow the panel to perform touch driving during the first and second touch durations, and a display driver IC configured to, when the first touch duration of an n+1st frame is started, transfer display information about the second display duration of an nth frame and display information about the first display duration of the n+1st frame to the touch IC, and when the second touch duration of the n+1st frame is started, transfer display information about the first display duration of the n+1st frame and display information about the second display duration of the n+1st frame to the touch IC.

The present invention provides a touch display device, which comprises: an organic light emitting diode display panel including a support pillar and a cathode, wherein a part of the cathode is formedon the support pillar; and a touch layer positioned on one side of the organic light emitting diode display panel, wherein the touch layer comprises an insulating layer and a first conducting layer, aprotrusion is arranged on the insulating layer, part of the first conducting layer is located on the side, away from the cathode, of the protrusion, and the orthographic projection of the protrusionon the touch display device at least partially coincides with the orthographic projection of the support pillar on the touch display device. According to the touch display device, the protrusion is arranged on the insulating layer of the touch layer, so that the distance between the cathode on the support pillar and the first conducting layer on one side of the protrusion on the insulating layer is increased, so that the parasitic capacitance between the first conducting layer arranged corresponding to the support pillar and the cathode on the support pillar is reduced, and the touch reportingrate of the touch display device is increased.

The invention discloses a display panel and a display device. A winding structure with a hollow part is arranged on an electrode wire of a touch function layer, and the parasitic capacitance between the touch function layer and the cathode layer at the stand column can be reduced, so that the overall consistency of the parasitic capacitance between the touch function layer and the cathode layer isbalanced, noise caused by unbalanced parasitic capacitance is avoided, and the overall touch reporting rate and sensitivity are improved.

A touch sensing system and a driving method thereof are provided. The touch sensing system includes: a touch screen drive circuit which senses a change in the amount of electric charge in touch sensors during a sensing period, generates raw data and temporarily stores it in a buffer memory, transmits the raw data read out from the buffer memory to an algorithm execution unit during a raw data transmission period, and calculates the coordinates of touch input by the algorithm execution unit during an algorithm execution period. The touch screen drive circuit controls the amount of data stored in the buffer memory and the start timing of a read operation to make the sensing period and the raw data transmission period overlap each other.

The invention provides a touch display device. The touch display device comprises an organic light-emitting diode display panel and a touch assembly, the organic light-emitting diode display panel comprises a common cathode and a packaging layer, the touch control assembly comprises a touch control layer, the packaging layer is located between the common cathode and the touch control layer, the touch control layer comprises a plurality of touch control units arranged in an array mode, each touch control unit is composed of metal grids, and in each touch control unit, the percentage of the ratio of the metal area of the metal grids to the area of each touch control unit is larger than 0% and smaller than or equal to 25%. The metal area ratio of the metal grid in each touch unit is optimizedto reduce the parasitic capacitance between each touch unit and the common cathode, so that the touch reporting rate of the touch display device is improved.

The invention provides a touch assembly and a touch display device. The touch control assembly comprises a touch control layer, the touch control layer comprises a plurality of touch control units, each touch control unit comprises a first touch control electrode arranged in the first direction, wherein each first touch control electrode comprises a first main electrode arranged in the first direction and at least one first branch electrode, and one end of each first branch electrode is electrically connected with the corresponding first main electrode; a second touch electrode which is arranged in the second direction, wherein the second touch control electrode comprises a second main electrode, at least one second branch electrode and at least one first connecting branch electrode whichare arranged along a second direction, one end of each second branch electrode is electrically connected with the second main electrode, the two ends of each first connecting branch electrode are electrically connected with the corresponding second branch electrode and the second main electrode respectively, the second branch electrodes surround the corresponding first branch electrodes, and the first direction is different from the second direction.

A touch sensitive display device, a method for driving the same, and a driving circuit of the display device are disclosed. The touch sensitive display device comprises a display panel comprising a plurality of pixels and a plurality of touch sensors. Each touch sensor is connected to at least one respective pixel of the pixels, the display panel driven in a plurality of successive display frame periods and during each display frame period a respective frame of image data is driven to the pixels. A touch driving circuit drives touch driving signals to the touch sensors during a touch frame that begins in a first display frame period of the display frame periods and ends in a second display frame period of the display frame periods that immediately follows the first display frame period.

A display device having touch sensors includes a display panel having a touch screen, a Tx driving circuit supplying a touch driving pulse to Tx electrode lines of the touch screen, an Rx driving circuit which samples voltages of the touch sensors received through Rx electrode lines of the touch screen due to the supply of the touch driving pulse and outputs touch raw data from the voltages of the touch sensors, and a touch controller which obtains a plurality of touch groups based on the touch raw data, sets a transmission format of an effective touch group, on which a touch operation is performed, among the plurality of touch groups to a variable touch coordinate packet, and transmits the variable touch coordinate packet to an external host system.

The present application provides a touch display device, the touch display device includes a touch layer, the touch layer includes a plurality of touch units, each touch unit includes a first electrode and a second electrode, the first electrode and the second electrode The two electrodes are electrically insulated. In each touch unit, the resistance of the first electrode is greater than 0 ohms and less than or equal to 50 ohms, and the parasitic capacitance of the first electrode is greater than 0 picofarads and less than or equal to 18 picofarads; the second electrode The resistance of the second electrode is greater than 0 ohms and less than or equal to 50 ohms, and the parasitic capacitance of the second electrode is greater than 0 picofarads and less than or equal to 18 picofarads. By simultaneously optimizing the resistance and parasitic capacitance of the first electrode in each touch unit and the resistance and parasitic capacitance of the second electrode in each touch unit, the first electrode and the second electrode in each touch unit are reduced. The time required for charging the mutual capacitance between the nodes to the preset voltage, thereby improving the touch report rate of the touch display device.

The present invention provides a display panel and a display device. By setting the effective area of ​​the driving sub-touch electrodes to be larger than the effective area of ​​the inductive sub-touch electrodes, the effective area of ​​the inductive sub-touch electrodes can be reduced due to the small effective area of ​​the inductive sub-touch electrodes. The inductive coupling capacitance formed between the touch medium and the inductive sub-touch electrodes reduces the coupling signal coupled to the inductive sub-touch electrodes through the inductive coupling capacitance, thereby reducing the effect of the coupling signal on the inductive sub-touch electrodes and the driver. The influence of the interactive capacitance formed between the touch electrodes ensures that the variation of the interactive capacitance is increased, the touch effect of the display panel is high, and the signal-to-noise ratio of the display panel is improved at the same time. In addition, reducing the effective area of ​​the sensor sub-touch electrodes can reduce the charging time for the mutual capacitance formed between the driver sub-touch electrodes and the sensor sub-touch electrodes, thereby increasing the driving frequency of the driver sub-touch electrodes. To achieve the purpose of improving the touch reporting rate.

The invention discloses a touch display device and a touch detection method. The touch display device comprises a grid drive circuit and a touch drive circuit; the grid drive circuit comprises a first circuit and a second circuit; in a one-frame picture drive period, a display interruption period is set in drive switch of the first circuit and the second circuit; and the touch drive circuit provides a touch signal in the display interruption period. The touch detection method comprises the following steps that: the grid drive circuit controls the first circuit and the second circuit in the one-frame picture drive period and provides a scanning signal for the touch display device; and the touch drive circuit provides the touch signal in the display interruption period.

The present application provides a touch component and a touch display device, wherein the second branch electrode surrounds the corresponding first branch electrode, and the third branch electrode adjacent to the first branch electrode surrounds the second branch electrode and is located between the first branch electrode and the first branch electrode. The part between the third branch electrodes is matched with the ends of the two adjacent third branch electrodes respectively located in the two adjacent touch control units in the first direction to be connected to each other away from the end connected to the first main stem electrode, so as to improve the touch control The touch sensitivity of the component.

The invention relates to an array substrate, a touch display device, and a driving method thereof. The array substrate includes a display region and a peripheral region surrounding the display region. The display region includes N rows of scanning lines, wherein N is a positive integer more than 1. The peripheral region includes a touch driving circuit and a gate driving circuit, wherein, the touch driving circuit includes M stages of touch output units for generating touch driving signals, where M is an integer more than 0 and less than or equal to N; the gate driving circuit includes N stages of shift registers for said N rows of scanning lines which generate scanning signals. The M stages of shift registers include a first strobe signal output terminal and a second strobe signal output terminal, which provide a first strobe signal and a second strobe signal for the M stages of touch output units, respectively; the touch output unit includes PMOS tubes from the first one to the eleventh one. The invention uses the signal in the shift register as the input strobe signal of the touch driving circuit to realize narrow border.