KR20190068375A - Touch display device and driving method for the same - Google Patents

Abstract

Embodiments of the present invention relate to a touch display device and a driving method thereof. More specifically, the present invention relates to a touch display device skipping supply of a data voltage for any one type of sub-pixel groups or redundantly supplying a data voltage for another sub-pixel group through a source multiplexing driving method during a display driving period when display driving and touch driving are time-shared and performed, and a driving method thereof. Accordingly, touch sensing time may be further secured under the time division driving system.

Description

TECHNICAL FIELD [0001] The present invention relates to a touch display device and a method of driving the touch display device.

The present invention relates to a touch display apparatus and a driving method thereof.

BACKGROUND ART [0002] As an information society develops, a demand for a touch display device for displaying an image has increased in various forms. Recently, various display devices such as a liquid crystal display device, a plasma display device, and an organic light emitting display device have been utilized.

Among such display devices, there is a touch display device that provides a touch-based input method that allows a user to easily input information or commands intuitively and conveniently by moving away from a conventional input method such as a button, a keyboard, and a mouse.

In the conventional touch display device, during the touch driving period, the touch electrode to be sensed is affected by the peripheral electrodes and the wirings, and the touch sensitivity is greatly reduced.

In addition, since the conventional touch display device must provide both a video display function and a touch sensing function, the driving time such as a frame time is divided into a display driving period and a touch driving period, and a display driving is performed in a display driving period And performs touch driving and touch sensing in a touch driving period after the display driving period.

On the other hand, the display driving time may be required more due to the high resolution, large screen, etc., and the increase in the number of touch electrodes necessitates more touch sensing time (touch driving time) . However, there is a limitation that the touch sensing time can not be extended under the time division driving method.

It is an object of embodiments of the present invention to provide a touch display device and a method of driving the touch display device which can secure more touch sensing time when the display driving and the touch driving are performed in a time division manner.

It is another object of embodiments of the present invention to provide a touch display device and a driving method thereof that can secure a touch sensing time without deteriorating the display quality when the display driving and the touch driving are performed at a time have.

It is still another object of embodiments of the present invention to provide a touch display apparatus and a touch display apparatus which can secure a larger touch sensing time without a large design change of a driving circuit or a display panel, And to provide a driving method.

In one aspect, embodiments of the present invention include a plurality of data lines and a plurality of gate lines arranged, a plurality of subpixels defined by a plurality of data lines and a plurality of gate lines are arranged, There is provided a touch display device including a display panel disposed, a gate drive circuit for sequentially driving a plurality of gate lines, a source drive circuit for driving a plurality of data lines, and a touch drive circuit for driving a plurality of touch electrodes can do.

In this touch display device, the display driving period for video display and the touch driving period for touch sensing may be time-divided.

During the display driving period, the gate driving circuit supplies the scan signal to the gate line, and the source driving circuit can supply the data voltage to the data line.

During the touch driving period, the touch driving circuit can supply the touch driving signal to the touch electrode.

In this display device, the plurality of subpixels are divided into a first subpixel group and a second subpixel group including first color subpixels, a third subpixel group including second color subpixels and a fourth subpixel group including second color subpixels, Group, a fifth subpixel group including third color subpixels, and a sixth subpixel group.

When the first scan signal is supplied to the first gate line during the display driving period in the first frame period, among the fifth subpixel group and the sixth subpixel group including the third color subpixels, The supply of the data voltage to the sixth subpixel group is blocked, or the data voltage supplied to the fifth subpixel group may be supplied to the sixth subpixel group. Touch display device.

And the third color subpixels are blue subpixels.

During the display driving period in the first frame period, when the first scan signal is supplied to the first gate line, the first subpixel group, the third subpixel group, the fourth subpixel group, the fifth subpixel group, The order in which the data voltages are supplied to each of the subpixel groups may be different.

The touch display device may further include a multiplexing switch circuit for transmitting a data voltage to a selected one of the plurality of data lines.

In one example, the multiplexing switch circuit includes a first multiplexer circuit and a second multiplexer circuit corresponding to the first subpixel group and the second subpixel group, and a third multiplexer circuit corresponding to the third subpixel group and the fourth subpixel group, Circuit and a fourth multiplexer circuit, and a fifth multiplexer circuit and a sixth multiplexer circuit corresponding to the fifth subpixel group and the sixth subpixel group.

The multiplexing switch circuit may be arranged in an outer area of the active area of the display panel.

In some cases, the multiplexing switch circuit may be included in the source driving circuit.

The source driver circuit and the touch driver circuit may be included in the integrated integrated circuit.

In another aspect, embodiments of the present invention are directed to a liquid crystal display, in which a plurality of data lines and a plurality of gate lines are arranged, a plurality of subpixels defined by a plurality of data lines and a plurality of gate lines are arranged, A driving circuit for sequentially driving a plurality of gate lines, a source driving circuit for driving a plurality of data lines, and a driving circuit for driving a touch display device including a touch driving circuit for driving a plurality of touch electrodes Method can be provided.

This driving method includes a first display driving step of driving the gate line and a data line during a display driving period in a first frame period and a second display driving step of driving a touch electrode during a display driving period and a time- And a first touch driving step of driving the touch panel.

The plurality of subpixels include a first subpixel group and a second subpixel group including first color subpixels, a third subpixel group and a fourth subpixel group including second color subpixels, A fifth subpixel group including color subpixels, and a sixth subpixel group including color subpixels.

In the first display driving step, when the first scan signal is supplied to the first gate line during the display driving period in the first frame period, the fifth subpixel group including the third color subpixels and the sixth subpixel group including the third color subpixels The data voltage is supplied to the fifth subpixel group, the supply of the data voltage to the sixth subpixel group is blocked, or the data voltage supplied to the fifth subpixel group may be supplied to the sixth subpixel group.

According to another aspect of the present invention, there is provided a touch display device for performing display driving for video display and touch driving for touch sensing in a time-division manner, and during a display driving period, When one gate line is driven, the subpixels included in the subpixel row corresponding to the first gate line to be driven include the first color subpixels and the second color subpixels, and some of the first color subpixels And the second color sub-pixels are supplied with data voltages at different timings, and the other one of the first color sub-pixels is supplied with a data voltage or a data voltage supplied to a part of the first color sub- ).

The first color subpixels mentioned above may be one blue subpixel, and in another example may be green subpixels or red subpixels.

As described above, according to the embodiments of the present invention described above, it is possible to provide a touch display device and a method of driving the touch display device, which can secure more touch sensing time when the display driving and the touch driving are divided.

According to embodiments of the present invention, it is possible to provide a touch display device and a method of driving the touch display device which can secure more touch sensing time without degrading the display quality, have.

According to embodiments of the present invention, a touch display device and a method of driving the touch display device, which can secure a larger touch sensing time without a large design change of a driving circuit or a display panel, Method can be provided.

1 is a schematic system configuration diagram of a touch display device according to embodiments of the present invention.
2 is an exemplary view of a touch panel in a touch display device according to embodiments of the present invention.
3 is a timing chart illustrating a driving timing of the touch display apparatus according to the embodiments of the present invention.
4 is a system configuration diagram for driving source multiplexing of a touch display device according to embodiments of the present invention.
5 and 6 are views for explaining a source multiplexing driving method of the touch display device according to the embodiments of the present invention.
FIG. 7 is an exemplary diagram illustrating a driving timing diagram according to the first source multiplexing driving of the touch display device according to the embodiments of the present invention.
8 and 9 are exemplary diagrams of driving timing diagrams according to the second source multiplexing driving method of the touch display device according to the embodiments of the present invention.
10 is a diagram illustrating driving timing diagrams according to a second source multiplexing driving method when the touch display device according to the exemplary embodiment of the present invention performs polarity inversion driving.
11 and 12 are exemplary diagrams of driving timing diagrams according to a third source multiplexing driving method of the touch display device according to the embodiments of the present invention.
13 is a diagram illustrating driving timing diagrams according to a third source multiplexing driving method when the touch display device according to the embodiments of the present invention performs polarity inversion driving.
14 is an exemplary view of a multiplexer structure related to a third color for driving the second and third source multiplexing of the touch display device according to the embodiments of the present invention.
15 is a flowchart illustrating a method of driving a touch display apparatus according to embodiments of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. In the drawings, like reference numerals are used to denote like elements throughout the drawings, even if they are shown on different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the components from other components, and the terms do not limit the nature, order, order, or number of the components. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; intervening "or that each component may be" connected, "" coupled, "or " connected" through other components.

FIG. 1 is a schematic system configuration diagram of a touch display device according to embodiments of the present invention, and FIG. 2 is an illustration of a touch panel in a touch display device according to embodiments of the present invention.

The touch display device according to embodiments of the present invention can perform a video display function and a touch detection function (touch input function).

Referring to FIG. 1, a touch display apparatus according to embodiments of the present invention includes a plurality of data lines DL and a plurality of gate lines GL arranged to provide a video display function, A display panel DISP in which a plurality of subpixels defined by a plurality of data lines DL and a plurality of gate lines GL are arranged, a source driving circuit SDC driving a plurality of data lines DL, A gate driving circuit GDC for driving the line GL and a display controller DCTR for controlling the source driving circuit SDC and the gate driving circuit GDC.

In the display panel DISP, pixel electrodes in each sub-pixel may be arranged.

A pixel voltage may be applied to the pixel electrode of each subpixel.

Also, one or two or more common electrodes to which a common voltage is applied may be disposed on the display panel DISP.

One common electrode is one common electrode formed on the front surface of the display panel DISP.

Two or more common electrodes can be regarded as electrodes in which one common electrode is divided into two or more electrodes. Each of the two or more common electrodes may have a size larger than one sub-pixel region size.

In each sub-pixel, an electric field may be formed by a pixel voltage (which may be a data voltage) applied to the pixel electrode and a common voltage applied to the common electrode.

The display controller DCTR supplies the various drive control signals DCS and GCS to the source drive circuit SDC and the gate drive circuit GDC to control the source drive circuit SDC and the gate drive circuit GDC .

The display controller (DCTR) starts scanning according to the timing implemented in each frame, and switches input image data inputted from the outside according to the data signal format used in the source driving circuit (SDC) Data), and controls the data drive at the appropriate time according to the scan.

The display controller DCTR includes the vertical synchronizing signal Vsync, the horizontal synchronizing signal Hsync, the input data enable signal DE, and the clock signal CLK in addition to the input video data And receives various timing signals from the outside (e.g., the host system).

The display controller DCTR switches the input video data inputted from the outside in accordance with the data signal format used in the source driving circuit SDC and outputs the converted video data, A timing signal such as a vertical synchronization signal Vsync, a horizontal synchronization signal Hsync, an input DE signal and a clock signal is generated to control the circuit GDC to generate various drive control signals DCS and GCS, And outputs it to the driving circuit SDC and the gate driving circuit GDC.

For example, in order to control the gate drive circuit GDC, the display controller DCTR outputs a gate start pulse (GSP), a gate shift clock (GSC), a gate output enable signal GOE: Gate Output Enable), and the like.

The display controller DCTR includes a source start pulse SSP, a source sampling clock SSC and a source output enable signal SOE to control the source driving circuit SDC. And Source Output Enable) and the like.

Such a display controller (DCTR) may be a control device including a timing controller (Timing Controller) and further performing other control functions.

This display controller (DCTR) may be implemented as a separate component from the source driver circuit (SDC), integrated with the source driver circuit (SDC), and implemented as an integrated circuit.

The source driving circuit SDC receives the image data Data from the display controller DCTR and supplies the data voltages to the plurality of data lines DL to drive the plurality of data lines DL. Here, the source driver circuit SDC is also referred to as a data driver circuit.

Such a source driver circuit (SDC) may be implemented including at least one source driver integrated circuit (SDIC).

Each source driver integrated circuit (SDIC) may include a shift register, a latch circuit, a digital to analog converter (DAC), an output buffer, and the like.

Each source driver integrated circuit (SDIC) may further include an analog to digital converter (ADC), as the case may be.

Each source driver integrated circuit (SDIC) is connected to a bonding pad of a display panel (DISP) by a tape automated bonding (TAB) method or a chip on glass (COG) method , And may be disposed directly on the display panel DISP or, if necessary, integrated on the display panel DISP. In addition, each source driver integrated circuit (SDIC) may be implemented by a chip on film (COF) method mounted on a film connected to the display panel DISP.

The gate driving circuit GDC successively drives the plurality of gate lines GL by sequentially supplying the scan signals to the plurality of gate lines GL. Here, the gate drive circuit GDC is also referred to as a scan drive circuit.

The gate driving circuit GDC may be implemented by including at least one gate driver integrated circuit (GDIC).

Each gate driver circuit integrated circuit GDIC may include a shift register, a level shifter, and the like.

Each gate driver IC GDIC may be connected to a bonding pad of the display panel DISP by a tape automated bonding (TAB) method or a chip on glass (COG) method or by a GIP (Gate In Panel) type And may be disposed directly on the display panel DISP, or may be integrated and disposed on the display panel DISP, as the case may be. In addition, each gate driver IC (GDIC) may be implemented in a chip-on-film (COF) manner in which the gate driver IC (GDIC) is mounted on a film connected to the display panel (DISP).

The gate driving circuit GDC sequentially supplies the scan signals of the On voltage or the Off voltage to the plurality of gate lines GL under the control of the display controller DCTR.

When a specific gate line is opened by the gate driving circuit GDC, the source driving circuit SDC converts the video data (DATA) received from the display controller (DCTR) into a data voltage of an analog form, ).

The source driver circuit SDC may be located only on one side (e.g., on the upper side or the lower side) of the display panel DISP and on both sides of the display panel DISP : Upper side and lower side).

The gate drive circuit GDC may be located only on one side (e.g., the left side or the right side) of the display panel DISP, and depending on the driving system, the panel design method, For example, left and right).

Referring to FIG. 1, the touch display device according to embodiments of the present invention may include a touch panel (TSP), a touch driving circuit (TDC), and a touch controller (TCTR) have.

Referring to FIG. 2, a plurality of touch electrodes TE may be disposed on the touch panel TSP.

Meanwhile, the touch display device according to the embodiments of the present invention may sense a touch using a self-capacitance based touch sensing method or a touch using a mutual-capacitance based touch sensing method.

When a touch is sensed by a self-capacitance based touch sensing method, a touch driving signal is applied to each of a plurality of touch electrodes TE arranged in a touch panel TSP, and a touch sensing signal can be detected. The touch driving circuit (TDC) detects the touch sensing signal and outputs the sensing data, and the touch controller (TCTR) can determine the touch presence and / or touch coordinates based on the sensing data.

When touch sensing is performed by the mutual-capacitance based touch sensing method, a plurality of touch electrodes TE arranged on the touch panel TSP are classified into a driving touch electrode and a sensing touch electrode, and as the driving touch electrode, And a touch sensing signal can be detected from the sensing touch electrode. The touch driving circuit (TDC) detects the touch sensing signal and outputs the sensing data, and the touch controller (TCTR) can determine the touch presence and / or touch coordinates based on the sensing data.

Hereinafter, for the sake of convenience of explanation, the touch display device according to the embodiments of the present invention will be described by taking as an example the touch sensing based on the self-capacitance.

A signal line (not shown) for electrically connecting the plurality of touch electrodes TE to the touch driving circuit TDC may be disposed on the touch panel TSP.

For example, one touch electrode TE may be electrically connected to one or more signal lines through one or more contact holes or the like.

The touch driving circuit TDC drives the touch panel TSP and detects touch sensing signals to generate and output sensing data.

For example, the touch driving circuit TDC supplies a touch driving signal to all or a part of a plurality of touch electrodes TE arranged on the touch panel TSP, detects a signal from at least one touch electrode TE It is possible to generate and output sensing data (Touch Raw Data).

The touch driving circuit (TDC) can supply a touch driving signal to one or more touch electrodes (TE) through one or more signal lines and detect a signal.

The touch controller (TCTR) can obtain the presence / absence of touch and / or the touch coordinates using the sensing data output from the touch driving circuit (TDC).

The touch panel TSP may be manufactured separately from the display panel DISP and bonded to the display panel DISP or may be embedded in the display panel DISP.

When the touch panel TSP is embedded in the display panel DISP, the touch panel TSP can be regarded as a collection of a plurality of touch electrodes TE and a plurality of signal lines.

Hereinafter, for convenience of explanation, it is assumed that the touch panel TSP is embedded in the display panel DISP.

Meanwhile, the plurality of touch electrodes TE arranged in the touch panel TSP may be divided common electrodes used for driving the display.

In this case, when driving the display, a common voltage may be applied to the plurality of touch electrodes TE. Here, the common voltage may be a corresponding voltage that forms an electric field with the data voltage applied to the pixel electrodes in each subpixel. At the time of touch driving, a touch driving signal may be applied to the plurality of touch electrodes TE.

For example, the common voltage may be a voltage (DC voltage) having a constant voltage level, and the touch driving signal may be a pulse signal (or an AC signal, a modulation signal, or the like) whose voltage level is variable.

The touch driving circuit (TDC) and the touch controller (TCTR) are two circuits for touch detection, and they may be implemented separately or integrally.

On the other hand, the touch driving circuit (TDC) and the source driving circuit (SDC) may be integrated into one or more integrated circuits.

3 is a timing chart illustrating a driving timing of the touch display apparatus according to the embodiments of the present invention.

Referring to FIG. 3, the touch display device according to the embodiments of the present invention can perform display driving for displaying an image and touch driving for touch sensing.

The touch display device according to the embodiments of the present invention can perform the display driving and the touch driving by the time division driving method.

Accordingly, the display driving period DP for image display and the touch driving period TP for touch sensing can be time-divided.

For example, the display driving period (DP) and the touch driving period (TP) may be divided into one or two or more within one frame period.

Referring to FIG. 3, the display driving period DP and the touch driving period TP may be defined by a synchronization signal TSYNC.

For example, when the synchronizing signal TSYNC is at the high level (or at the low level), the display driving period DP is obtained. When the synchronizing signal TSYNC is at the low level (or the high level) TP).

The synchronizing signal TSYNC is outputted from the display controller DCTR and can be supplied to the touch controller TCTR and various driving circuits SDC, GDC, and TDC. Alternatively, the synchronizing signal TSYNC may be generated by the touch controller TCTR and supplied to the display controller DCTR and various driving circuits SDC, GDC, and TDC.

On the other hand, the display driving time may be required more due to the high resolution, large screen, etc., and the increase in the number of touch electrodes necessitates more touch sensing time (touch driving time) . However, there is a limitation that the touch sensing time can not be extended under the time division driving method.

4 is a system configuration diagram for source multiplexing driving of a touch display apparatus according to embodiments of the present invention.

Referring to FIG. 4, the display panel DISP includes an active area A / A corresponding to a display area in which an image is displayed and a non-active area that is an outer area thereof.

In the active area A / A, a plurality of subpixels defined by a plurality of data lines DL and a plurality of gate lines GL may be arranged.

In the non-active region, a plurality of data lines (DL), a plurality of gate lines (GL), and various signal lines can be extended.

Further, the source drive circuit SDC and the gate drive circuit GDC can be electrically connected to the non-active area.

The source driver circuit SDC may be implemented as a TCP (Tape Carrier Package) type, a COG (Chip On Glass) type, or a COF (Chip On Film) type and may be electrically connected to a non-active region of the display panel DISP have. In addition, the source driver circuit SDC may be electrically connected to the non-active area of the display panel DISP via a flexible printed circuit (flexible printed circuit board).

The gate drive circuit GDC is implemented by a TCP (Tape Carrier Package) type, a COG (Chip On Glass) type, a COF (Chip On Film) type or the like and can be electrically connected to the non- have. Alternatively, the gate driving circuit GDC may be implemented as a GIP (Gate In Panel) type and may be mounted in the non-active area of the display panel DISP.

FIG. 4 shows an example in which the gate driving circuit GDC is implemented in a GIP (Gate In Panel) type and mounted in the GIP region of the non-active region of the display panel DISP.

On the other hand, the touch driving circuit TDC is implemented by a TCP (Tape Carrier Package) type, a COG (Chip On Glass) type, a COF (Chip On Film) type or the like and electrically connected to the non-active region of the display panel DISP Can be connected. In addition, the source driver circuit SDC may be electrically connected to the non-active area of the display panel DISP via a flexible printed circuit (flexible printed circuit board).

On the other hand, the source driver circuit SDC and the touch driver circuit TDC may be integrated and included in the integrated integrated circuit (SRIC).

For example, as shown in Fig. 4, one source driver circuit (SDC) and two touch driving circuits (TDC) for driving and sensing different touch electrodes TE are provided in the integrated integrated circuit (SRIC) May be included.

As described above, when the source driver circuit (SDC) and the touch driver circuit (TDC) are integrated into an integrated integrated circuit (SRIC), not only the number of parts can be reduced, And the size of the bezel can be greatly reduced.

4, the touch display device according to the exemplary embodiment of the present invention includes all the sub-pixels corresponding to the turn-on gate line GL during the turn-on period of the gate line GL The data voltage Vdata can be simultaneously supplied.

Alternatively, during the turn-on period of the gate line GL, the touch display device according to embodiments of the present invention may display the corresponding data voltage Vdata ), But may sequentially supply the corresponding data voltage (Vdata) for each subpixel group.

4, a touch display apparatus according to embodiments of the present invention includes a multiplexing switch (not shown) for transmitting a data voltage (Vdata) to a selected one of a plurality of data lines DL, Circuit MUX_SW.

As described above, the method of sequentially driving a group of a plurality of subpixels grouped by all the subpixels corresponding to the turn-on gate line GL is referred to as "Source Multiplexing (MUX) Driving method ".

When the source multiplexing driving method using the above-described multiplexing switch circuit MUX_SW is used, the data signal (i.e., the data voltage Vdata) supplied to the display panel DISP at a certain point can be reduced have.

As shown in Fig. 4, the multiplexing switch circuit MUX_SW may be arranged in an outer area of the active area (display area) of the display panel DISP.

In this case, the multiplexing switch circuit MUX_SW can be generated at the time of manufacturing the display panel DISP, so that it is possible to omit a separate process such as fabrication and circuit connection for the multiplexing switch circuit MUX_SW .

Further, the multiplexing switch circuit MUX_SW may be included in the source driver circuit SDC.

In this case, there is an advantage that a separate process such as fabrication and circuit connection for the multiplexing switch circuit (MUX_SW) can be omitted without increasing the number of parts.

Hereinafter, a source multiplexing driving method using the above-described multiplexing switch circuit MUX_SW will be described in more detail.

Hereinafter, the subpixels disposed on the display panel DISP of the touch display device according to the embodiments of the present invention may be designed to emit three or four or more lights, but three subpixels including red, green, and blue It is assumed that light of color is emitted.

Also, for convenience of explanation, the first color is red, the second color is green, and the third color is blue, for example. However, without being limited thereto, as another example, the first hue may be green or blue, the second hue may be blue or red, and the third hue may be red or green.

5 and 6 are views for explaining a source multiplexing driving method of the touch display device according to the embodiments of the present invention.

The subpixels disposed on the display panel DISP of the touch display device according to embodiments of the present invention may include first color subpixels, second color subpixels, and third color subpixels.

5, the subpixels disposed on the display panel DISP of the touch display device according to the embodiments of the present invention include a first subpixel group PCG1 including first color subpixels, A second subpixel group PCG2 including first color subpixels PCG1 and second subpixel groups PCG2 and a third subpixel group PCG3 and a fourth subpixel group PCG4 including second color subpixels, PCG5) and a sixth subpixel group PCG6.

However, the number of subpixel groups and the like are for convenience of description, and there may be a smaller number of subpixel groups or a larger number of subpixel groups.

The subpixels arranged in each subpixel row (or each subpixel row) may include first color subpixels, second color subpixels, and third color subpixels.

In other words, as shown in Fig. 5, in the display panel DISP of the touch display device according to the embodiments of the present invention, each subpixel row is divided into subpixels arranged in a first color A first subpixel group PCG1 and a second subpixel group PCG2 that are divided into subpixels and include second color subpixels of the subpixels arranged in the subpixel row, A fifth subpixel group PCG5 including three subpixel groups PCG3 and a fourth subpixel group PCG4 and including third color subpixels divided among the subpixels arranged in the subpixel row, And a sixth subpixel group PCG6.

Referring to FIG. 5, during the turn-on period of the gate line GL corresponding to one of the plurality of subpixel rows, six subpixel groups PCG1, PCG2, PCG3, PCG4, PCG5, and PCG6 may be sequentially supplied with the corresponding data voltage Vdata.

That is, at any one time, the corresponding data voltage (Vdata) can be supplied only to one of the six subpixel groups PCG1, PCG2, PCG3, PCG4, PCG5, and PCG6.

The multiplexing switch circuit MUX_SW can select one of the six subpixel groups PCG1, PCG2, PCG3, PCG4, PCG5 and PCG6 to which the data voltage Vdata is supplied at any one time.

Thus, the multiplexing switch circuit MUX_SW can be considered to perform 6: 1 multiplexing.

The multiplexing operation of this multiplexing switch circuit MUX_SW can be controlled by the source driving circuit SDC.

For example, the source driver circuit SDC may supply the multiplexing control signal MUX_CON to the multiplexing switch circuit MUX_SW to control the multiplexing operation of the multiplexing switch circuit MUX_SW.

Referring to FIG. 6, for example, the multiplexing switch circuit MUX_SW includes a first multiplexer circuit PCG1 corresponding to the first subpixel group PCG1 and a second subpixel group PCG2, A third multiplexer circuit MUX3 and a fourth multiplexer circuit MUX4 corresponding to the third subpixel group PCG3 and the fourth subpixel group PCG4 and a second multiplexer circuit MUX2 corresponding to the third subpixel group PCG2 and the second multiplexer circuit MUX2, The fifth multiplexer circuit MUX5 and the sixth multiplexer circuit MUX6 corresponding to the fifth subpixel group PCG5 and the sixth subpixel group PCG6.

According to the above description, it is possible to efficiently control the source driving for each of the six subpixel groups PCG1, PCG2, PCG3, PCG4, PCG5, and PCG6.

In the following, some embodiments of the source multiplexing operation described above are exemplarily described.

FIG. 7 is an exemplary diagram illustrating a driving timing diagram according to the first source multiplexing driving of the touch display device according to the embodiments of the present invention.

The driving timing diagram of Fig. 7 may be a diagram showing the switching operation timing of each of the first to sixth multiplexer circuits MUX1 to MUX6.

Referring to FIG. 7, according to the first source multiplexing driving method, during the turn-on period of the first gate line GL [i] corresponding to any one of the subpixel rows of the plurality of subpixel rows, The corresponding data voltage Vdata can be sequentially supplied to the six subpixel groups PCG1, PCG2, PCG3, PCG4, PCG5, and PCG6 arranged in the row.

For example, during the turn-on period of the first gate line GL [i], among the six sub-pixel groups PCG1, PCG2, PCG3, PCG4, PCG5 and PCG6 arranged in the corresponding sub- The corresponding data voltage Vdata is supplied to the first color subpixels R11 included in the first subpixel group PCG1 through the multiplexer circuit MUX1 and then supplied through the second multiplexer circuit MUX2 , The corresponding data voltage Vdata is supplied to the first color subpixels R13 included in the second subpixel group PCG2 and then the third data voltage Vdata is supplied through the third multiplexer circuit MUX3 The data voltages Vdata are supplied to the second color subpixels G12 included in the first subpixel group PCG1 and the second data subpixel G12 included in the fourth subpixel group PCG4 through the fourth multiplexer circuit MUX4. The data voltage Vdata is supplied to the color subpixels G12 and then the third data voltage Vdata is supplied to the third subpixel group PCG5 via the fifth multiplexer circuit MUX5. The corresponding data voltage Vdata is supplied to the color subpixel B11 and then the third color subpixel B13 included in the sixth subpixel group PCG6 is supplied through the sixth multiplexer circuit MUX6, The corresponding data voltage Vdata can be supplied.

For example, during the turn-on period of the second gate line GL [i + 1] in the next sequence of the first gate line GL [i], six subpixel groups Pixel groups RG1 included in the first subpixel group PCG1 through the first multiplexer circuit MUX1 among the data voltages Vdata1, PCG1, PCG2, PCG3, PCG4, PCG5, And then the corresponding data voltage Vdata is supplied to the first color subpixels R23 included in the second subpixel group PCG2 through the second multiplexer circuit MUX2, The corresponding data voltage Vdata is supplied to the second color subpixels G22 included in the third subpixel group PCG3 through the third multiplexer circuit MUX3 and then the fourth data voltage Vdata is supplied to the fourth multiplexer circuit MUX4. The corresponding data voltage Vdata is supplied to the second color subpixels G24 included in the fourth subpixel group PCG4 through the fifth multiplexer circuit MUX5, , The corresponding data voltage Vdata is supplied to the third color subpixel B21 included in the fifth subpixel group PCG5 and then the sixth subpixel group PCP5 is supplied through the sixth multiplexer circuit MUX6 The corresponding data voltage Vdata may be supplied to the third color subpixel B23 included in the second color subpixel PCG6.

According to the above-described first source multiplexing driving method, the display driving period DP becomes long due to the switching operation (multiplexing operation) of each of the first to sixth multiplexer circuits MUX1 to MUX6.

This can be further enhanced when driving a large-screen or high-resolution display panel DISP.

Therefore, when the length of the touch sensing period TP is inevitably reduced or the length of the touch sensing period TP is not shortened, it takes a long time to sense the entire screen area (or a large number of touches A sensing period (TP) is required), which may result in a situation in which the touch sensing speed is slowed down.

Therefore, embodiments of the present invention can provide a second and a second source multiplexing driving method capable of increasing a touch sensing speed by further securing a touch sensing time. This will be described below.

8 to 10 are exemplary diagrams illustrating driving timing diagrams according to a second source multiplexing driving method of the touch display device according to the embodiments of the present invention. 11 to 13 are exemplary diagrams of driving timing diagrams according to a third source multiplexing driving method of the touch display device according to the embodiments of the present invention.

10 is a diagram illustrating a driving timing diagram according to a second source multiplexing driving method when the touch display device according to the exemplary embodiment of the present invention performs polarity inversion driving, and FIG. 13 is a diagram illustrating a driving timing diagram according to embodiments of the present invention Fig. 5 is a diagram illustrating driving timing diagrams according to a third source multiplexing driving method when the touch display device according to the first embodiment of the present invention performs polarity inversion driving.

The touch display device according to embodiments of the present invention includes a plurality of data lines DL and a plurality of gate lines GL arranged therein and is defined by a plurality of data lines DL and a plurality of gate lines GL. A display panel DISP in which a plurality of subpixels are arranged and in which a plurality of touch electrodes TE are arranged; a gate drive circuit GDC for sequentially driving a plurality of gate lines GL; A source driver circuit SDC for driving the plurality of touch electrodes DL and a touch driver circuit TDC for driving the plurality of touch electrodes TE.

The display driving period DP for image display and the touch driving period TP for touch sensing may be time-divided.

During the display driving period DP, the gate driving circuit GDC supplies the scanning signal to the gate line GL and the source driving circuit SDC supplies the data voltage Vdata to the data line DL.

During the touch driving period TP, the touch driving circuit TDC can supply the touch driving signal to the touch electrode TE.

As described above, the plurality of subpixels includes a first subpixel group PCG1 and a second subpixel group PCG2 including first color subpixels, a third subpixel group PCG2 including second color subpixels, The first subpixel group PCG3 and the fourth subpixel group PCG4, the fifth subpixel group PCG5 including the third color subpixels, and the sixth subpixel group PCG6.

As shown in FIGS. 8, 10, 11 and 13, during the display drive period DP within the first frame period, which may be an odd frame, the first gate line GL when the first scan signal is supplied with the first scan signal [i], i = 1, 2, 3, ..., the fifth subpixel group PCG5 including the third color subpixels and the sixth subpixel group PCG6 Pixel group PCG5 to the third color sub-pixels B11 or B12 included in the fifth sub-pixel group PCG5 via the fifth multiplexer circuit MUX5 for the fifth sub-pixel group PCG5 in the first sub- ) Can be supplied.

8 and 10, during the display driving period DP within the first frame period, which may be an odd frame, the first gate lines GL [i], GL [i] pixel group PCG5 and the sixth subpixel group PCG6 including the third color subpixels when the first scan signal is supplied with the first scan signal i = 1, 2, 3, For the subpixel group PCG6, the supply of the data voltage Vdata to the third color subpixels included in the sixth subpixel group PCG6 may be interrupted via the sixth multiplexer circuit MUX6.

The source multiplexing driving method using the data voltage supply cutoff method (data voltage supply skip method) is referred to as the second source multiplexing driving method.

Alternatively, as shown in FIGS. 11 and 13, during the display driving period DP within the first frame period, which may be an odd frame, the first gate line GL [i] pixel group PCG5 and the sixth subpixel group PCG6 including the third color subpixels when the first scan signal is supplied to the first subpixel group PCG1, i = 1, 2, 3, Pixel group PCG6 included in the fifth subpixel group PCG5 through one or more of the fifth multiplexer circuit MUX5 and the sixth multiplexer circuit MUX6 for the six subpixel group PCG6 B11 or B12 may be supplied to the third color subpixels B13 or B14 included in the sixth subpixel group PCG6.

A source multiplexing driving method using such a data voltage redundant feeding method (which may be referred to as a data voltage dual feeding method) is called a second source multiplexing driving method.

When the second source multiplexer driving method or the third source multiplexing driving method described above is used, the multiplexing operation time can be reduced, and the display driving time can be reduced to further secure the touch sensing time.

 As shown in FIGS. 8, 10, 11 and 13, during the display drive period DP within the first frame period, which may be an odd frame, the first gate line GL the first subpixel group PCG1, the third subpixel group PCG3, the fourth subpixel group PCG4, the fifth subpixel group PCG5, and the third subpixel group PCG5 when the first scan signal is supplied to the first subpixel group PCG1 [i] The order in which the data voltage Vdata is supplied to each of the sixth subpixel groups PCG6 may be different from each other.

Also, as shown in FIGS. 8, 10, 11, and 13, during the display drive period DP during the first frame period, which may be an odd frame, The first subpixel group PCG1, the third subpixel group PCG3, the fourth subpixel group PCG4 and the fifth subpixel group PCG5 when the first scan signal is supplied to the first subpixel group GL [i] ) And the sixth subpixel group PCG6 may be varied in the order in which the data voltage Vdata is supplied.

Thus, effective source driving can be performed in accordance with display driving conditions and characteristics of subpixels for each color, thereby improving the image quality.

On the other hand, during the display drive period DP during the first frame period, which may be an odd frame, the first gate line GL [i] and the second gate line GL [i + 1] is supplied to the sixth subpixel group PCG6 among the fifth subpixel group PCG5 and the sixth subpixel group PCG6 including the third color subpixels, The third color subpixel B23 or B24 included in the sixth subpixel group PCG6 through the sixth multiplexer circuit MUX6, as shown in FIGS. 8, 10, 11, and 13, A voltage Vdata may be supplied.

8 and 10, during the display driving period DP within the first frame period, which may be an odd frame, the first gate line GL [i] Pixel group PCG5 and the sixth sub-pixel group PCG6 including the third color sub-pixels when the second scan signal is supplied to the second gate line GL [i + 1] , And for the fifth subpixel group PCG5, the supply of the data voltage Vdata to the third color subpixels included in the fifth subpixel group PCG5 may be interrupted.

Alternatively, as shown in FIGS. 11 and 13, during the display driving period DP within the first frame period, which may be an odd frame, the first gate line GL [i] The fifth subpixel group PCG5 and the sixth subpixel group PCG6 including the third color subpixels when the second scan signal is supplied to the second gate line GL [i + 1] The data voltage Vdata supplied to the third color subpixel B23 or B24 included in the sixth subpixel group PCG6 is applied to the fifth subpixel group PCG5 in the fifth subpixel group PCG5, (B21 or B22) included in the second color subpixel (PCG5).

According to the above description, the second source multiplexer driving method or the third source multiplexing driving method can be used to reduce the multiplexing operation time to reduce the display driving time, thereby further securing the touch sensing time, The multiplexing operation order of the fifth multiplexer circuit MUX5 and the sixth multiplexer circuit MUX6 is reversed according to the second source multiplexer driving method or the third source multiplexing driving method, It is possible to prevent deterioration of the image quality due to the exposure.

The second source multiplexing driving method or the third source multiplexing driving method during the first frame period, which may be the odd-numbered frame, may be the same during the second frame period which may be the even-numbered frame Can be applied. However, the multiplexing operation order of each of the fifth multiplexer circuit MUX5 and the sixth multiplexer circuit MUX6 may be reversed.

As shown in FIGS. 9, 10, 12 and 13, during the display drive period DP within the second frame period after the first frame period, the first gate line GL [ , the fifth subpixel group PCG5 including the third color subpixels and the sixth subpixel group PCG6 of the fifth subpixel group PCG5 when the first scan signal is supplied with the first scan signal, The data voltage Vdata may be supplied to the sixth sub-pixel group PCG6.

However, as shown in FIGS. 9 and 10, during the display driving period DP within the second frame (2nd Frame) period after the first frame (first frame), the first gate line GL [i] When the first scan signal is supplied, for the fifth subpixel group PCG5 including the third color subpixels and the fifth subpixel group PCG5 of the fifth subpixel group PCG5, The supply of the data voltage Vdata to the group PCG5 may be interrupted.

Alternatively, as shown in FIGS. 12 and 13, during the display drive period DP during the second frame (2nd Frame) period after the first frame (first frame) period, the first gate line GL [i , The fifth subpixel group PCG5 including the third color subpixels and the fifth subpixel group PCG5 of the fifth subpixel group PCG5 are supplied with the first scan signal, The data voltage Vdata supplied to the six subpixel groups PCG6 may be supplied to the fifth subpixel group PCG5.

As described above, by using the second source multiplexer driving method or the third source multiplexing driving method, it is possible to reduce the multiplexing operation time to reduce the display driving time, thereby further securing the touch sensing time, The multiplexing operation sequence of the first multiplexer MUX5 and the sixth multiplexer circuit MUX6 is reversed so that image quality degradation due to the reduction of the display driving time according to the second source multiplexer driving method or the third source multiplexing driving method can be prevented .

The above-mentioned third color subpixels may be subpixels of the lowest color contribution (influence) of the entire image.

For example, the third color subpixels may be blue subpixels and, if desired, red subpixels or green subpixels or other color subpixels.

According to this, it is possible to prevent the deterioration of the display quality according to the second or third source multiplexing driving method by reducing the influence of the data voltage supply skip (Skip) or the data voltage dual supply.

FIG. 14 is an exemplary diagram of a multiplexer structure (MUX5, MUX6) related to a third color for the second and third source multiplexing driving of the touch display device according to the embodiments of the present invention.

14, the fifth multiplexer circuit MUX5 related to the third color includes an input terminal MUX5_IN for receiving a data voltage from the source driver circuit SDC and a third color MUX5_IN included in the fifth subpixel group PCG5. And an output terminal MUX5_OUT for outputting a data voltage to the data lines DL connected to the sub-pixels.

The sixth multiplexer circuit MUX6 associated with the third color includes an input terminal MUX6_IN for receiving the data voltage from the source driver circuit SDC and data MUX6_IN for receiving data connected to the third color subpixels included in the sixth subpixel group PCG6 And an output terminal MUX6_OUT for outputting the data voltage to the lines DL.

In the case of odd / even driving, for this purpose, the fifth multiplexer circuit MUX5 includes an odd transfer transistor To for transferring a data voltage inputted during odd-numbered frame periods, And an even transfer transistor Te for transferring an input data voltage during the data transfer period.

In the case of odd / even driving, for this purpose, the sixth multiplexer circuit MUX6 includes an odd-numbered transfer transistor Mo for transferring a data voltage inputted during odd-numbered frame periods, And an even-numbered transfer transistor Me for transferring the data voltage input during the period.

On the other hand, for odd / even driving, the fifth multiplexer circuit MUX5 selects one of the multiplexing control signals MUX_CON according to the skip control signal MUX_Sip for the second source multiplexing driving scheme, And may include a skip transistor Tos, Tes which can block the data voltage output from the odd transfer transistor To or the even transfer transistor Te.

In the case of odd / even driving, the sixth multiplexer circuit MUX6 outputs the odd-numbered transfer transistor Mo or the even-numbered transfer transistor MUX4 according to the skip control signal MUX_Sip, which is one of the multiplexing control signals MUX_CON. And a skip transistor Mos, Mes which can cut off the data voltage output from the transistor Me.

Meanwhile, for the third source multiplexing driving method, the fifth multiplexer circuit MUX5 includes a dual transistor Td for outputting the data voltage output to the output terminal MUX5_OUT to the output terminal MUX6_OUT of the sixth multiplexer MUX6 can do.

Accordingly, the data voltages supplied to the third color subpixels included in the fifth subpixel group PCG5 may be supplied together with the third color subpixels included in the sixth subpixel group PCG6.

For the third source multiplexing driving scheme, the sixth multiplexer circuit MUX6 may include a dual transistor Md for outputting the data voltage output to the output MUX6_OUT to the output MUX5_OUT of the fifth multiplexer MUX5 have.

Accordingly, the data voltages supplied to the third color subpixels included in the sixth subpixel group PCG6 may be supplied together with the third color subpixels included in the fifth subpixel group PCG5.

Referring to FIG. 14, a first frame (first frame) is divided into a first scan signal (GL [i]) and a second scan signal The data voltage Vdata may be supplied to the fifth subpixel group PCG5 via the fifth multiplexer circuit MUX5 in accordance with the skip control signal MUX_Skip which is one of the multiplexing control signals MUX_CON have.

When the first scan signal is supplied to the first gate line GL [i] during the display drive period DP during the first frame (1st Frame), one of the multiplex control signals MUX_CON, Depending on the signal MUX_Skip, the supply of the data voltage Vdata to the sixth subpixel group PCG6 may be interrupted via the sixth multiplexer circuit MUX6.

According to the above description, it is possible to effectively provide the second source multiplexing driving method using the data voltage supply cutoff scheme (data voltage supply skip scheme).

14, when the first scan signal is supplied to the first gate line GL [i] during the display driving period DP within the first frame (1st Frame) period, the multiplexing control signal MUX_CON The data voltage Vdata may be supplied to the fifth subpixel group PCG5 through the fifth multiplexer circuit MUX5 according to the dual control signal MUX_Dual,

When the first scan signal is supplied to the first gate line GL [i] during the display driving period DP within the first frame (1st Frame) period, a dual control (i.e., one of the multiplexing control signals MUX_CON) According to the signal MUX_Dual, the data voltage Vdata supplied to the fifth subpixel group PCG5 through the sixth multiplexer circuit MUX6 may be simultaneously supplied to the sixth subpixel group PCG6.

According to the above description, it is possible to effectively provide a third source multiplexing driving method using a data voltage redundancy supplying method (which may be referred to as a data voltage dual supplying method).

Hereinafter, a driving method of the touch display device according to the embodiments of the present invention described above will be briefly described again.

15 is a flowchart illustrating a method of driving a touch display apparatus according to embodiments of the present invention.

15, a method of driving a touch display device according to exemplary embodiments of the present invention includes driving a gate line GL and a data line DL during a display driving period DP within a first frame (first frame) A first touch driving unit for driving the touch electrode TE during a display driving period DP and a time-divided touch driving period TP during a first frame (first frame) A driving step S1512, and the like.

The plurality of subpixels includes a first subpixel group PCG1 and a second subpixel group PCG2 including first color subpixels, a third subpixel group PCG3 including second color subpixels, The fourth subpixel group PCG4, the fifth subpixel group PCG5 including the third color subpixels, and the sixth subpixel group PCG6.

When the first scan signal is supplied to the first gate line GL [i] during the display drive period DP within the first frame (1st Frame) period in the first display drive step S1511, The data voltage Vdata is supplied to the fifth subpixel group PCG5 and the data voltage Vdata is supplied to the sixth subpixel group PCG6 from among the fifth subpixel group PCG5 and the sixth subpixel group PCG6 including subpixels, The supply of the data voltage Vdata to the fifth subpixel group PCG5 may be interrupted or the data voltage Vdata supplied to the fifth subpixel group PCG5 may be supplied to the sixth subpixel group PCG6.

When the first scan signal is supplied to the first gate line GL [i] during the display drive period DP within the first frame (1st frame) period in the first display drive step S1511, The data voltage Vdata is supplied to each of the pixel group PCG1, the third subpixel group PCG3, the fourth subpixel group PCG4, the fifth subpixel group PCG5, and the sixth subpixel group PCG6, The order in which they are made may be different and may vary.

I] and the second gate line GL [i + 1] other than the first gate line GL [i] during the display drive period DP within the first frame (1st Frame) ) Of the fifth subpixel group PCG5 and the sixth subpixel group PCG6 including the third color subpixels when the second scan signal is supplied to the sixth subpixel group PCG6, The data voltage Vdata is supplied to the fifth subpixel group PCG5 or the data voltage Vdata supplied to the sixth subpixel group PCG6 is supplied to the fifth subpixel group PCG5 ). ≪ / RTI >

15, a method of driving a touch display apparatus according to embodiments of the present invention includes a first frame period, a second frame period, and a second frame period. In the display driving period DP, During a display driving period (DP) and a time division driving period (TP) in a second frame (2nd frame), a second display driving step (S1521) A second touch driving step S1522 for driving the touch panel TE, and the like.

When the first scan signal is supplied to the first gate line GL [i] during the display drive period DP within the second frame (2nd Frame) period in the second display drive step S1521, The data voltage Vdata is supplied to the sixth subpixel group PCG6 and the data voltage Vdata is supplied to the fifth subpixel group PCG5 from among the fifth subpixel group PCG5 and the sixth subpixel group PCG6 including subpixels, The supply of the data voltage Vdata to the fifth subpixel group PCG5 may be interrupted or the data voltage Vdata supplied to the sixth subpixel group PCG6 may be supplied to the fifth subpixel group PCG5.

As described above, the touch display device according to the embodiments of the present invention performs the display driving for video display and the touch driving for touch sensing in a time-sharing manner, and during the display driving period, The first color sub-pixels and the second color sub-pixels included in the sub-pixel row corresponding to the first gate line when the first gate line of the first color sub-pixel is driven, And the second color sub-pixels are supplied with the data voltage at different timings, the data voltage supplied to the other of the first color sub-pixels is not supplied, or the data voltage supplied to a part of the first color sub- .

Here, the above-mentioned first color subpixels may be one blue subpixel, and in another example may be green subpixels or red subpixels.

As described above, according to the embodiments of the present invention described above, it is possible to provide a touch display device and a method of driving the touch display device, which can secure more touch sensing time when the display driving and the touch driving are divided.

According to embodiments of the present invention, it is possible to provide a touch display device and a method of driving the touch display device which can secure more touch sensing time without degrading the display quality, have.

According to the embodiments of the present invention, when the display driving and the touch driving are divided in time, the touch sensing time can be secured more without changing the design of the source driving circuit (SDC) or the display panel (DISP) And a method of driving the touch display device.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. , Separation, substitution, and alteration of the invention will be apparent to those skilled in the art. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

DISP: Display panel
TSP: Touch panel
SDC: source driving circuit
GDC: Gate drive circuit
TDC: Touch-driving circuit
DCTR: Display Controller
TCTR: Touch Controller

Claims (19)

A display panel in which a plurality of data lines and a plurality of gate lines are arranged, a plurality of data lines and a plurality of subpixels defined by the plurality of gate lines are arranged, and a plurality of touch electrodes are arranged;
A gate driving circuit for sequentially driving the plurality of gate lines;
A source driving circuit for driving the plurality of data lines; And
And a touch driving circuit for driving the plurality of touch electrodes,
The display driving period for video display and the touch driving period for touch sensing are time-divided,
During the display driving period, the gate driving circuit supplies a scan signal to the gate line, the source driving circuit supplies a data voltage to the data line,
During the touch driving period, the touch driving circuit supplies a touch driving signal to the touch electrode,
The plurality of sub-
A first subpixel group and a second subpixel group including first color subpixels, a third subpixel group and a fourth subpixel group including second color subpixels, and a third subpixel group including third color subpixels The fifth subpixel group, and the sixth subpixel group,
When the first scan signal is supplied to the first gate line during the display driving period in the first frame period,
Among the fifth subpixel group and the sixth subpixel group including the third color subpixels,
A data voltage is supplied to the fifth subpixel group,
The supply of the data voltage to the sixth subpixel group is blocked or the data voltage supplied to the fifth subpixel group is supplied to the sixth subpixel group.
The method according to claim 1,
And the third color subpixels are blue subpixels.
The method according to claim 1,
When the first scan signal is supplied to the first gate line during the display driving period in the first frame period,
The order of supplying the data voltages to the first subpixel group, the third subpixel group, the fourth subpixel group, the fifth subpixel group, and the sixth subpixel group is different.
The method according to claim 1,
When the second scan signal is supplied to the second gate line other than the first gate line during the display driving period in the first frame period,
Among the fifth subpixel group and the sixth subpixel group including the third color subpixels,
A data voltage is supplied to the sixth subpixel group,
The supply of the data voltage to the fifth subpixel group is blocked or the data voltage supplied to the sixth subpixel group is supplied to the fifth subpixel group.
The method according to claim 1,
When the first scan signal is supplied to the first gate line during the display driving period within a second frame period after the first frame period,
Among the fifth subpixel group and the fifth subpixel group including the third color subpixels,
A data voltage is supplied to the sixth subpixel group,
The supply of the data voltage to the fifth subpixel group is blocked or the data voltage supplied to the sixth subpixel group is supplied to the fifth subpixel group.
The method according to claim 1,
And a multiplexing switch circuit for transferring a data voltage to a selected one of the plurality of data lines.
The method according to claim 6,
Wherein the multiplexing switch circuit comprises:
A first multiplexer circuit and a second multiplexer circuit corresponding to the first subpixel group and the second subpixel group;
A third multiplexer circuit and the fourth multiplexer circuit corresponding to the third subpixel group and the fourth subpixel group; And
A fifth multiplexer circuit corresponding to the fifth subpixel group and the sixth subpixel group, and the sixth multiplexer circuit.
8. The method of claim 7,
When the first scan signal is supplied to the first gate line during the display driving period in the first frame period,
A data voltage is supplied to the fifth subpixel group through the fifth multiplexer circuit,
And the supply of the data voltage to the sixth sub-pixel group is blocked through the sixth multiplexer circuit.
8. The method of claim 7,
When the first scan signal is supplied to the first gate line during the display driving period in the first frame period,
A data voltage is supplied to the fifth subpixel group through the fifth multiplexer circuit,
And a data voltage supplied to the fifteenth subpixel group through the sixth multiplexer circuit is simultaneously supplied to the sixth subpixel group.
The method according to claim 6,
Wherein the multiplexing switch circuit is disposed in an outer area of the active area of the display panel.
The method according to claim 6,
Wherein the multiplexing switch circuit is included in the source driving circuit.
The method according to claim 1,
Wherein the source driver circuit and the touch driver circuit are included in an integrated integrated circuit.
A display panel in which a plurality of data lines and a plurality of gate lines are arranged and in which a plurality of data lines and a plurality of subpixels defined by the plurality of gate lines are arranged and in which a plurality of touch electrodes are arranged, A method of driving a touch display device including a gate driving circuit for sequentially driving gate lines, a source driving circuit for driving the plurality of data lines, and a touch driving circuit for driving the plurality of touch electrodes,
A first display driving step of driving the gate line and the data line during a display driving period in a first frame period; And
And a first touch driving step of driving the touch electrode during the touch driving period that is time-shared with the display driving period in the first frame period,
The plurality of sub-
A first subpixel group and a second subpixel group including first color subpixels, a third subpixel group and a fourth subpixel group including second color subpixels, and a third subpixel group including third color subpixels The fifth subpixel group, and the sixth subpixel group,
In the first display driving step,
When the first scan signal is supplied to the first gate line during the display driving period in the first frame period,
Among the fifth subpixel group and the sixth subpixel group including the third color subpixels,
A data voltage is supplied to the fifth subpixel group,
The supply of the data voltage to the sixth subpixel group is blocked or the data voltage supplied to the fifth subpixel group is supplied to the sixth subpixel group.
14. The method of claim 13,
And the third color sub-pixels are blue sub-pixels.
14. The method of claim 13,
In the first display driving step,
When the first scan signal is supplied to the first gate line during the display driving period in the first frame period,
The order in which the data voltages are supplied to the first subpixel group, the third subpixel group, the fourth subpixel group, the fifth subpixel group, and the sixth subpixel group is different from the order of driving the other touch display devices .
14. The method of claim 13,
In the first display driving step,
When the second scan signal is supplied to the second gate line other than the first gate line during the display driving period in the first frame period,
Among the fifth subpixel group and the sixth subpixel group including the third color subpixels,
A data voltage is supplied to the sixth subpixel group,
The supply of the data voltage to the fifth subpixel group is blocked or the data voltage supplied to the sixth subpixel group is supplied to the fifth subpixel group.
14. The method of claim 13,
A second display driving step of driving the gate line and the data line during a display driving period within a second frame period after the first frame period; And
And a second touch driving step of driving the touch electrode during the touch driving period that is time-shared with the display driving period within the second frame period,
In the second display driving step,
When the first scan signal is supplied to the first gate line during the display driving period in the second frame period,
Among the fifth subpixel group and the sixth subpixel group including the third color subpixels,
A data voltage is supplied to the sixth subpixel group,
The supply of the data voltage to the fifth subpixel group is blocked or the data voltage supplied to the sixth subpixel group is supplied to the fifth subpixel group.
A display panel in which a plurality of data lines and a plurality of gate lines are arranged, a plurality of data lines and a plurality of subpixels defined by the plurality of gate lines are arranged, and a plurality of touch electrodes are arranged;
A gate driving circuit for sequentially driving the plurality of gate lines;
A source driving circuit for driving the plurality of data lines; And
And a touch driving circuit for driving the plurality of touch electrodes,
The display driving period for video display and the touch driving period for touch sensing are time-divided,
During the display driving period, the gate driving circuit supplies a scan signal to the gate line, the source driving circuit supplies a data voltage to the data line,
During the touch driving period, the touch driving circuit supplies a touch driving signal to the touch electrode,
During the display driving period, when the first one of the plurality of gate lines is driven,
The subpixels included in the subpixel row corresponding to the first gate line include first color subpixels and second color subpixels,
Wherein a portion of the first color subpixels and the second color subpixels are supplied with data voltages at different timings,
Another portion of the first color sub-
The data voltage is not supplied or the data voltage supplied to the part of the first color subpixels is supplied.
19. The method of claim 18,
Wherein the first color subpixels are blue subpixels.

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