34results about How to "Improve touch reporting rate" patented technology

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.

Disclosed are a display device comprising panel portions and a driving method thereof, which are capable of dividing the display panel into two or more panel portions and adding a touch mode between the display modes of each panel portion, thereby improving the frequency of the touch sensing or the touch report rate. The display device comprising panel portions and the driving method thereof can reduce the pulse width of the signals from 4H 8phase to 2H 4phase by using an oxide TFT and maintain or reduce the number of the signal lines applied to the gate driver of the partial display panel, thereby having the advantages in terms of the bezel.

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.

An embodiment of the invention discloses a touch electrode, a production method of the touch electrode, a capacitive touch device, and a touch display device and aims to increase touch linearity and report rate of the capacitive touch device. The touch electrode structure comprises a plurality of electrode sets and a plurality of electrode pins for connecting a touch circuit. Each electrode set includes two electrodes which are in the same layer, mutually insulated and alternately complementary. Each electrode includes at least two sub-electrodes which are electrically connected with each other. The sub-electrodes of the different electrodes in each electrode set are arranged at intervals one by one. Each electrode is connected with one electrode pin.

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 invention provides a touch control assembly and a touch control display device. A second branch electrode surrounds a corresponding first branch electrode, and a third branch electrode adjacent tothe first branch electrode surrounds the part, located between the first branch electrode and the third branch electrode, of the second branch electrode; the ends, away from the ends connected with the first main electrodes, of the two adjacent third branch electrodes located in the two adjacent touch units in the first direction in a matched mode are connected with each other, so that the touchsensitivity of the touch assembly is improved.

The invention provides a touch display device. The touch display device comprises a touch layer, the touch layer comprises a plurality of touch units; wherein each touch unit comprises a first electrode and a second electrode, the first electrode is electrically insulated from the second electrode, in each touch unit, the resistance of the first electrode is greater than 0 ohm and less than or equal to 50 ohm, and the parasitic capacitance of the first electrode is greater than 0 picofarad and less than or equal to 18 picofarad; the resistance of the second electrode is greater than 0 ohm andless than or equal to 50 ohm, and the parasitic capacitance of the second electrode is greater than 0 picofarad and less than or equal to 18 picofarad. The resistance and the parasitic capacitance ofthe first electrode in each touch unit and the resistance and the parasitic capacitance of the second electrode in each touch unit are optimized at the same time; therefore, the time required for charging the node mutual capacitance between the first electrode and the second electrode in each touch unit to the preset voltage is shortened, and the touch reporting rate of the touch display device isincreased.

The invention discloses a touch structure, a touch display panel and a driving method. The touch structure comprises a plurality of touch driving electrodes, a plurality of touch sensing electrodes and a plurality of additional touch driving electrodes; the touch driving electrodes, the touch sensing electrodes and the additional touch driving electrodes are insulated from one another; the touch driving electrodes and the additional touch driving electrodes extend in a first direction and are arranged in a second direction; the touch sensing electrodes extend in a second direction and are arranged in the first direction; the first direction intersects with the second direction; the additional touch driving electrodes are in one-to-one correspondence with the touch driving electrodes; the corresponding additional touch driving electrodes are at least partially overlapped with the touch driving electrodes; and in a touch driving period, if a touch operation is detected at a position corresponding to a certain touch driving electrode, a second effective driving pulse signal is applied to the additional touch driving electrode corresponding to the touch driving electrode after a firsteffective driving pulse signal is ended. The touch structure can improve a touch control reporting rate.

The invention discloses a touch control display driving method, which is used for a touch control display system, the touch control display system comprises a display and a touch control sensor, and the touch control display driving method comprises the following steps: transmitting a touch control scanning signal to the touch control sensor by a control unit, driving the touch sensor to carry out touch sensing in a time interval; wherein the time interval is located in a scanning line driving waveform of a gate electrode driving circuit of the display and located outside a plurality of data line driving waveforms of a source electrode driving circuit of the display. The driving method and the touch display system can provide good touch accuracy and reduce system cost.

The invention discloses a display panel and a display device. The effective area of a driving sub touch electrode is set to be larger than the effective area of an inductor sub touch electrode; and since the effective area of the inductor sub touch electrode is small, inductive coupling capacitance formed between a touch medium and the inductor sub touch electrode can be reduced, a coupling signal coupled to the inductor sub touch electrode through an inductive coupling capacitor is reduced, the influence of the coupling signal on an interaction capacitance formed between the inductor sub touch electrode and the driving sub touch electrode is reduced, the change quantity of the interaction capacitance is improved, the touch effect of the display panel is relatively high, and meanwhile, the signal-to-noise ratio of the display panel is improved. Besides, by reducing the effective area of the inductor sub touch electrode, the charging time for the interaction capacitance formed between the inductor sub touch electrode and the driving sub touch electrode can be shortened, the driving frequency of the driving sub touch electrode can be improved, and the purpose of improving the touch control point reporting rate is achieved.

A touch display device and a touch driving method are provided. The touch display device comprises a plurality of interlaced sensing electrodes and driving electrodes in N large groups. Corresponding driving signals synchronously scan the driving electrodes of each large group. Scanning time of the driving electrodes can be reduced to an original 1/N, which can improve a touch report rate.