KR20140140197A - Display device having touch sensors - Google Patents

Abstract

The present invention relates to a display device with touch sensors, which is capable of increasing touch sensitivity by reducing the time constants of touch driving electrodes by minimizing an overlapping area between touch sensing electrodes and the touch driving electrodes. According to the present invention, a display device with touch sensors includes: a plurality of gate lines and a plurality of data lines formed to cross each other; a plurality of pixel electrodes formed in an area defined by the intersection of the gate lines and the data lines, respectively; a plurality of first touch electrode columns arranged parallel with each other in a first direction to overlap with the pixel electrodes; and a plurality of second touch electrode columns arranged parallel with each other in a second direction crossing the first direction, wherein each of the first touch electrode columns includes a plurality of first touch electrodes divided in the first direction, and a plurality of first touch electrode connecting portions configured to connect the first touch electrodes adjacent to each other, and at least one first touch dummy electrode is formed between the first touch electrodes not to be in contact with the first touch electrode connecting portion.

Description

DISPLAY DEVICE HAVING TOUCH SENSORS [0002]

In particular, the present invention relates to a display device having a touch sensor for recognizing a user's touch, and more particularly, to a touch sensing device which minimizes an area of a touch driving electrode overlapped with a touch sensing electrode, To a display device having a touch sensor.

2. Description of the Related Art In recent years, various input devices such as a keyboard, a mouse, a trackball, a joystick, and a digitizer have been used to configure an interface between a user and a home appliance or various information communication devices. However, the use of the above-described input device has a problem in that it requires the user to learn how to use the device and causes inconvenience such as occupying a space. Therefore, there is a growing demand for an input device that is convenient and simple and can reduce malfunctions. In response to such demands, a touch sensor has been proposed in which a user directly touches the screen with a finger or a pen to input information.

The touch sensor is simple, has little malfunction, can be input without using a separate input device, and is also applicable to various display devices because of convenience that the user can quickly and easily operate the contents displayed on the screen have.

The touch sensor can be classified into an add-on type and an on-cell type depending on the structure. In the top plate attaching type, a touch panel is attached to an upper plate of a display device after separately manufacturing a display device and a touch panel formed with a touch sensor. The top plate integral type is a method of directly forming a touch sensor on the surface of the upper glass substrate of the display device.

In the top-panel mounting type, a completed touch panel is mounted on a display device and is mounted thereon, resulting in a thick thickness, and the brightness of the display device becomes dark and visibility deteriorates.

On the other hand, in the case of the integrated top plate, the thickness of the touch sensor can be reduced compared to the top plate type with a separate touch sensor formed on the top surface of the display device. However, the driving electrode layer and the sensing electrode layer constituting the touch sensor, There is a problem that the thickness is increased.

Therefore, a need has arisen for a display device capable of solving the problems of the prior art.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a display device having a touch sensor capable of reducing a thickness and increasing a touch sensitivity by using a touch- And an object of the present invention is to provide a device.

It is another object of the present invention to provide a display device having a touch sensor capable of increasing touch sensitivity by minimizing the area of a touch driving electrode overlapped with a touch sensing electrode to reduce the time constant of the touch driving electrode.

According to a first aspect of the present invention, there is provided a display device including a touch sensor, including: a plurality of gate lines and a plurality of data lines; A plurality of pixel electrodes respectively formed in regions defined by intersections of the plurality of gate lines and data lines; A plurality of first touch electrode rows arranged in parallel in a first direction so as to overlap with the plurality of pixel electrodes; And a plurality of second touch electrode columns arranged in parallel in a second direction intersecting with the first direction, each of the plurality of first touch electrode columns includes a plurality of first touch segments divided in the first direction And a plurality of first touch electrode connections connecting the first touch electrodes adjacent to each other, wherein at least one of the plurality of first touch electrodes does not contact the first touch electrode connection portion, One touch dummy electrode is formed.

According to a second aspect of the present invention, there is provided a display device including a touch sensor. A plurality of first touch electrode rows arranged in parallel in a first direction; And a plurality of second touch electrode columns arranged in parallel in a second direction intersecting with the first direction, each of the plurality of first touch electrode columns includes a plurality of first touch segments divided in the first direction And a plurality of first touch electrode connections connecting the first touch electrodes adjacent to each other, wherein at least one of the plurality of first touch electrodes does not contact the first touch electrode connection portion, One touch dummy electrode is formed on the first touch electrode row, and the plurality of first touch electrode rows also serve as a common electrode.

In the above structure, the first touch dummy electrode is overlapped with the first touch electrode connection portion with the insulating layer interposed therebetween.

The first touch electrode connection part connects the neighboring first touch electrodes through first and second contact holes formed in the insulating layer.

In addition, at least one second touch dummy electrode is formed between the plurality of second touch electrode rows so as to overlap with the first touch electrode.

The second touch electrodes and the second touch dummy electrode may be formed of any one of the color filter array and the window cover disposed on the color filter array.

The second touch electrodes and the second touch dummy electrode are formed on a color filter array, a window cover disposed on the color filter array, and a film disposed on the color filter array. .

According to the display device having the touch sensor according to the present invention, the area of the touch driving electrode overlapped with the touch sensing electrode is minimized to reduce the time constant of the touch driving electrode, thereby increasing the touch sensitivity.

In addition, the parasitic capacitance generated in the area other than the touch area can be reduced by the touch driving dummy electrode, and the parasitic capacitance formed between the touch sensing dummy electrode and the gate line, the data line, The effect of improving the touch sensitivity can be obtained.

1 is a partially exploded perspective view schematically showing a display device,
2 is a plan view schematically showing a configuration of a touch sensor according to an embodiment of the present invention applied to a display device,
FIG. 3A is a plan view showing the A1 region shown in FIG. 2 in more detail,
FIG. 3B is a cross-sectional view taken along line I-I 'of FIG. 3A, showing a cross-sectional view showing an example in which a touch sensing electrode row is formed in a color filter array of a display device,
FIG. 3C is a cross-sectional view taken along line I-I 'of FIG. 3A, showing a cross-section of an example in which a touch sensing electrode row is formed on a cover window or film of a display device,
4A is a plan view showing a configuration of the touch driving electrode row shown in FIG. 3A,
4B is a cross-sectional view taken along line II-II 'of FIG. 4A,
5A is a plan view showing a configuration of the touch sensing electrode row shown in FIG. 3A,
5B is a cross-sectional view taken along the line III-III 'of FIG. 5A, showing a cross-sectional view showing an example in which the touch sensing electrode row is formed in the color filter array of the display device,
FIG. 5C is a cross-sectional view taken along the line III-III 'of FIG. 5A, showing a cross-section of an example in which a touch sensing electrode row is formed in a cover window or film of a display device;

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Like reference numerals throughout the specification denote substantially identical components. The term " electrode serial " as used herein means that a plurality of electrodes having a predetermined shape are connected as a single line, or one electrode, and function as a single line. In the following description, a touch sensor-integrated liquid crystal display device will be described as an example of a display device having a touch sensor.

First, a display device having a touch sensor according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. FIG. 1 is a partially exploded perspective view schematically showing a display device, and FIG. 2 is a plan view schematically showing a configuration of a touch sensor according to an embodiment of the present invention applied to a display device.

1, a display device having a touch sensor according to an embodiment of the present invention includes a liquid crystal display (LCD) having a thin film transistor array (TDTA) and a color filter array (CFA) formed with a liquid crystal layer And a display panel (LCP).

The thin film transistor array TDTA includes a plurality of gate lines G1 and G2 formed on a first substrate SUB1 in a first direction (for example, x direction), a plurality of gate lines G1, The data lines D1 and D2 formed to be parallel to each other in the second direction (e.g., the y direction) so as to intersect with the gate lines G1 and G2, the gate lines G1 and G2 and the data lines D1 and D2, A plurality of pixel electrodes Px for charging a data voltage to liquid crystal cells, and common electrodes (not shown) arranged to face the plurality of pixel electrodes Px (Not shown).

The color filter array CFA includes a black matrix and a color filter (not shown) formed on the second substrate SUB2. Polarizers POL1 and POL2 are attached to the outer surfaces of the first substrate SUB1 and the second substrate SUB2 of the liquid crystal display panel LCP and the polarizers POL1 and POL2 are attached to the outer surfaces of the first and second substrates SUB1 and SUB2 And an orientation film (not shown) for setting the pretilt angle of the liquid crystal is formed on the inner surface. A column spacer for maintaining a cell gap of the liquid crystal cell may be formed between the color filter array CFA and the thin film transistor array TDTA of the liquid crystal display panel LCP.

 Meanwhile, the common electrodes are formed on the second substrate SUB2 in a vertical electric field driving method such as TN (Twisted Nematic) mode and VA (Vertical Alignment) mode, and in the IPS (In Plane Switching) mode and the FFS The pixel electrode Px is formed on the first substrate SUB1. In the following embodiments of the present invention, the horizontal electric field driving method will be described as an example.

Referring to FIG. 2, the touch sensor according to the embodiment of the present invention includes a plurality of first electrode rows TS arranged in parallel in a first direction (for example, an x axis direction) And a plurality of second electrode rows RS arranged in parallel in a second direction (e.g., a y-axis direction) intersecting the first direction so as not to be in contact with the electrode rows TS. The plurality of first touch electrode rows TS are connected to the plurality of first routing wirings TW and the plurality of second touch electrode rows RS are connected to the plurality of second routing wirings RW. Respectively.

The plurality of first electrode rows TS serve as a touch driving electrode row of the touch sensor and serve also as a common electrode of the liquid crystal display panel. Accordingly, in the following, a plurality of first electrode rows TS will be referred to as a touch driving electrode row or a common electrode if necessary.

Hereinafter, a display device having a touch sensor according to an embodiment of the present invention will be described in more detail with reference to FIGS. 3A to 5C. FIG.

3B is a cross-sectional view taken along the line I-I 'in FIG. 3A, in which an array of touch sensing electrodes is formed in a color filter array of a liquid crystal display panel 3A is a cross-sectional view taken along the line I-I 'in FIG. 3A, and is a cross-sectional view showing an example in which a touch sensing electrode row is formed on a cover window or a film of a display device. FIG. 4A is a cross- 4A is a cross-sectional view taken along the line II-II 'of FIG. 4A, FIG. 5A is a plan view showing the structure of the touch sensing electrode row shown in FIG. 3A, and FIG. 5B is a cross-sectional view taken along the line III-III 'in FIG. 5A, which is a cross-sectional view showing an example in which the touch sensing electrode row is formed in the color filter array of the display device, and FIG. 5C is a cross- , A row of touch sensing electrodes It is showing an example of the window formed in the member or film cross-section.

First, referring to FIGS. 3A, 3B, 4A and 4B, first to third touch electrode rows (hereinafter, referred to as 'touch drive electrode columns') TS1 to TS3 of a touch sensor according to an embodiment of the present invention ) Will be described in detail. Referring to FIGS. 3A, 3B, 4A and 4B, the first to third touch driving electrode rows TS1 to TS3 of the touch sensor according to the embodiment of the present invention are arranged in a first direction (for example, x Axis direction). Each of the first to third touch driving electrode columns TS1 to TS3 includes a plurality of first to third touch driving electrodes Tx11 to Tx14, Tx21 to Tx24 and Tx31 to Tx34, The first to third touch driving electrodes (Tx11 and Tx12, Tx12 and Tx13, Tx13 and Tx14, Tx21 and Tx22, Tx22 and Tx23, Tx23 and Tx24, Tx31 and Tx32, Tx32 and Tx33, Tx33 and Tx34) 3 connection patterns (Tc11, Tc12, Tc13; Tc21, Tc22, Tc23; Tc31, Tc32, Tc33). The first to third touch driving electrodes Tx11, Tx21, Tx31 and Tx12, Tx22, Tx32, Tx12, Tx22, Tx32 and Tx13, Tx23, Tx33, Tx13, Tx23 arranged in the second direction The first to third touch driving dummy electrodes TD1, TD2 and TD3 are arranged between the first to third touch driving dummy electrodes Tx33 and Tx14, Tx24 and Tx34.

More specifically, as shown in FIGS. 4A and 4B, the first touch driving electrode row TS1 of the first through third touch driving electrode rows TS1 through TS3 is connected to a plurality of first touch driving electrodes And first connection patterns Tc11, Tc12, and Tc13 that connect the electrodes Tx11 to Tx14 and neighboring first touch driving electrodes Tx11 and Tx12, Tx12 and Tx13, and Tx13 and Tx14, respectively. The second touch driving electrode row TS2 connects the plurality of second touch driving electrodes Tx21 to Tx24 and the adjacent touch driving electrodes Tx21 and Tx22, Tx22 and Tx23, and Tx23 and Tx24, respectively The third touch driving electrode row TS3 includes a plurality of third touch driving electrodes Tx31 to Tx34 and the adjacent touch driving electrodes Tx31 and Tx31, Tc32, Tc32, Tc32, Tx32, Tx32 and Tx33, Tx33 and Tx34, respectively.

The first to third connection patterns Tc11, Tc12, and Tc13, Tc21, Tc22, and Tc23, Tc31, Tc32, and Tc33 are thin films formed with display elements including gate lines, thin film transistors, data lines, The first to third connection patterns Tc11, Tc12, Tc13, and Tc21 are formed on the protection film PAS for protecting the transistor layer TDTL, and the first to third connection patterns Tc11, Tc12, , Tc22, Tc23; Tc31, Tc32, Tc33). The insulating layer INS is provided with the first and second contact driving electrodes Tc11, Tc12, Tc13, Tc21, Tc22 and Tc23, Tc31, Tc32 and Tc33, The first and second contact holes CH1 and CH2 are formed so as to expose a part of the overlapping portion. The first to third touch driving electrodes Tx11 to Tx14, Tx21 to Tx24 and Tx31 to Tx34 are formed on the insulating layer INS on which the first and second contact holes CH1 and CH2 are formed.

The first touch driving electrodes Tx11, Tx12, Tx13 and Tx14 are filled in the first and second contact holes CH1 and CH2 formed in the insulating layer INS, Are connected to each other by the first connection patterns Tc11, Tc12, and Tc13 exposed through the holes CH1 and CH2, so that the first touch electrode row TS1 is formed by the coupling. Similarly, the second touch driving electrodes Tx21, Tx22, Tx23, and Tx24 are filled in the first and second contact holes CH1 and CH2 formed in the insulating layer INS to form the first and second contact holes CH1 The second touch electrode row TS2 is formed by the combination of the second connection patterns Tc21, Tc22 and Tc23 exposed through the second touch pattern electrodes Tx31 and Tx23 and the second connection patterns Tc21, , Tx32, Tx33 and Tx34 are filled in the first and second contact holes CH1 and CH2 formed in the insulating layer INS and are electrically connected to the third and fourth contact holes CH1 and CH2 exposed through the first and second contact holes CH1 and CH2. Are connected to each other by the patterns Tc31, Tc32, and Tc33, so that the third touch electrode row TS3 is formed by the combination of these patterns.

On the insulating layer INS between the first through third touch driving electrodes Tx11, Tx21 and Tx31 and the first through third touch driving electrodes Tx12, Tx22 and Tx32, a first touch driving dummy electrode And a second touch is formed on the insulating layer INS between the first through third touch driving electrodes Tx12, Tx22 and Tx32 and the first through third touch driving electrodes Tx13, Tx23 and Tx33. A driving dummy electrode TD2 is formed and an insulating layer INS between the first to third touch driving electrodes Tx13, Tx23 and Tx33 and the first to third touch driving electrodes Tx14, Tx24 and Tx34, A third touch driving dummy electrode TD3 is formed.

The first to third touch driving electrodes Tx11 to Tx14, Tx21 to Tx24, and Tx31 to Tx34 also function as a common electrode of the display device, so that at least a portion thereof is formed to overlap the pixel electrode. To this end, the first to third touch driving electrodes Tx11 to Tx14, Tx21 to Tx24, and Tx31 to Tx34 are supplied with a touch driving voltage at the time of touching operation and a common voltage at the time of the display driving.

Next, referring to FIGS. 3A, 3B, 5A, and 5B, one embodiment of the first to third touch sensing electrode lines RS1 to RS3 of the touch sensor according to the embodiment of the present invention will be described in detail .

3A, 3B, 5A and 5B, the first to third touch sensing electrode columns RS1 to RS3 are formed on the upper surface of the color filter array CFA in a second direction Direction). Each of the first to third touch sensing electrode lines RS1 to RS3 is formed so as to overlap with the first to third touch driving dummy electrodes TD1, TD2 and TD3. That is, the first row of touch sensing electrodes RS1 is formed to overlap the first touch driving dummy electrodes TD1, the second row of touch sensing electrodes RS2 overlaps the second touch driving dummy electrodes TD2, And the third row of touch sensing electrodes RS3 is formed to overlap with the third touch driving dummy electrodes TD3.

The touch sensing dummy electrodes RD11 to RD14 and RD21 to RD24 and RD31 to RD34 are connected between the touch driving electrodes Tx11 to Tx14 and Tx21 to RD34 at the outer side between the first to third touch sensing electrode rows RS1 to RS3, To Tx24, and Tx31 to tx34. Specifically, the first touch sensing dummy electrodes RD11, RD21, and RD31 on the outside (left side) of the first touch sensing electrode row RS1 are connected to the first to third touch driving electrodes Tx11, Tx21, and Tx31, And the second touch sensing dummy electrodes RD12, RD22 and RD32 between the first touch sensing electrode row RS1 and the second touch sensing electrode row RS2 are formed to overlap the first to third touch driving electrodes RS1 and RS2, The third touch sensing dummy electrodes RD13, RD23 and RD33 between the second touch sensing electrode row RS2 and the third touch sensing electrode row RS3 are formed so as to overlap with the first touch sensing electrode rows Tx12, Tx22 and Tx32, And are formed so as to overlap with the first to third touch driving electrodes Tx13, Tx23, and Tx33, respectively. The fourth touch sensing dummy electrodes RD14, RD24 and RD34 on the outside (right side) of the third touch sensing electrode row RS3 are overlapped with the first to third touch driving electrodes Tx14, Tx24 and Tx34, respectively. .

Next, another embodiment of the first to third touch sensing electrode columns RS1 to RS3 of the touch sensor according to the embodiment of the present invention will be described in detail with reference to FIGS. 3A, 3C, 5A and 5C . 3A to 3C. The first to third touch sensing electrode rows RS1 to RS3 according to the embodiment shown in Figs. 5A and 5C are arranged in a matrix form in which they are formed on a cover window or the film 100 Are the same as the first to third touch sensing electrode rows RS1 to RS3 of the embodiments of Figs. 3A, 3B, 5A and 5B except for the first to third touch sensing electrode rows RS1 to RS3.

Referring to FIGS. 3A, 3C, 5A, and 5C, first through third touch sensing electrode lines RS1 through RS3 are formed on a top surface of a cover window or film 100 in a second direction (for example, y Axis direction). Each of the first to third touch sensing electrode lines RS1 to RS3 is formed so as to overlap with the first to third touch driving dummy electrodes TD1, TD2 and TD3. That is, the first row of touch sensing electrodes RS1 is formed to overlap the first touch driving dummy electrodes TD1, the second row of touch sensing electrodes RS2 overlaps the second touch driving dummy electrodes TD2, And the third row of touch sensing electrodes RS3 is formed to overlap with the third touch driving dummy electrodes TD3.

The touch sensing dummy electrodes RD11 to RD14 and RD21 to RD24 and RD31 to RD34 are connected between the touch driving electrodes Tx11 to Tx14 and Tx21 to RD34 at the outer side between the first to third touch sensing electrode rows RS1 to RS3, To Tx24, and Tx31 to tx34. Specifically, the first touch sensing dummy electrodes RD11, RD21, and RD31 on the outside (left side) of the first touch sensing electrode row RS1 are connected to the first to third touch driving electrodes Tx11, Tx21, and Tx31, And the second touch sensing dummy electrodes RD12, RD22 and RD32 between the first touch sensing electrode row RS1 and the second touch sensing electrode row RS2 are formed to overlap the first to third touch driving electrodes RS1 and RS2, The third touch sensing dummy electrodes RD13, RD23 and RD33 between the second touch sensing electrode row RS2 and the third touch sensing electrode row RS3 are formed so as to overlap with the first touch sensing electrode rows Tx12, Tx22 and Tx32, And are formed so as to overlap with the first to third touch driving electrodes Tx13, Tx23, and Tx33, respectively. The fourth touch sensing dummy electrodes RD14, RD24 and RD34 on the outside (right side) of the third touch sensing electrode row RS3 are overlapped with the first to third touch driving electrodes Tx14, Tx24 and Tx34, respectively. .

According to the configuration of the touch sensor according to the embodiment of the present invention, the first to third touch driving dummy electrodes TD1, TD2 and TD3 and the first to third touch sensing dummy electrodes RD11 to RD14 and RD21 To RD24, and RD31 to RF34 are formed as independent patterns of island shapes. Each of the first to third touch driving electrodes Tx11 to Tx14, Tx21 to Tx24 and Tx31 to tx34 and the first to fourth touch sensing dummy electrodes RD11, RD21 and RD31; RD12, RD22 and RD32; The first to third touch sensing electrode rows RS1, RS2 and RS3 and the first to third touch driving dummy electrodes TD1 to RD3 are formed so as to overlap the first to third touch sensing electrode rows RD13, RD23, RD33, RD14, , TD2, and TD3 are formed so as to overlap with each other.

The capacitances formed between each of the touch driving electrode columns TS1 to TS3 and each of the touch sensing electrode rows RS1 to RS3 are defined by a near field And a second capacitance by a far field defined by an electric field formed in an area other than the area overlapping each other. In the region where each of the touch driving electrode rows TS1 to TS3 and each of the touch sensing electrode rows RS1 to RS3 overlap with each other, the first to third touch driving electrode connection patterns Tc11 to Tc13 and Tc21 To Tc23, Tc31 to Tc33), the first capacitance due to the near field is drastically reduced because an electric field is not formed. Accordingly, the first to third touch driving electrodes Tx11 to Tx14, Tx21 to Tx24 and Tx31 to tx34 and the first to fourth touch sensing dummy electrodes RD11, RD21 and RD31; RD23, RD33; RD14, RD24, RD34), the load is reduced. The reduction of the load of the touch driving electrodes and the touch sensing electrodes can reduce the time constants and improve the touch sensitivity of the touch sensor.

On the other hand, in the touch sensor including the touch driving electrode and the touch sensing electrode, the first capacitance due to the near field does not largely change before and after the touch but the second capacitance due to the far field changes relatively large before and after the touch to increase the touch sensitivity However, in a region other than the touch region, the first capacitance due to the near field may act as a parasitic capacitance, which may lower the touch sensitivity.

According to the embodiment of the present invention, parasitic capacitance generated in regions other than the touch region can be reduced by the first to third touch driving dummy electrodes, and the first to fourth touch sensing dummy electrodes can reduce the gate line , The parasitic capacitance formed between the data line and the touch sensing electrode row can be reduced, so that the touch sensitivity can be improved.

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 invention. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the invention but should be defined by the claims.

CFA: color filter array CH1, CH2: contact hole
INS: insulating films SUB1 and SUB2:
RS1 ~ RS3: Touch sensing electrode column
RD11, RD21, RD31; RD12, RD22, RD32; RD13, RD23, RD33; RD14, RD24, RD34: Touch sensing dummy electrode
TFTA: Thin film transistor array TS1 to TS3: Touch driving electrode column
Tx11 to Tx14, Tx21 to Tx24, Tx31 to tx34: Touch driving electrodes
Tc11 to Tc13, Tc21 to Tc23, Tc31 to Tc33: Touch driving electrode connection pattern
TD1, TD2, TD3: Touch driving dummy electrode

Claims (11)

A plurality of gate lines and a plurality of data lines formed to cross each other;
A plurality of pixel electrodes respectively formed in regions defined by intersections of the plurality of gate lines and data lines;
A plurality of first touch electrode rows arranged in parallel in a first direction so as to overlap with the plurality of pixel electrodes; And
And a plurality of second touch electrode rows arranged in parallel in a second direction intersecting with the first direction,
Each of the plurality of first touch electrode rows includes a plurality of first touch electrodes divided in the first direction and a plurality of first touch electrode connection units connecting the first touch electrodes adjacent to each other,
Wherein at least one first touch dummy electrode is formed between the plurality of first touch electrodes so as not to contact the first touch electrode connection unit.
The method according to claim 1,
Wherein the plurality of first touch electrode columns also serve as a common electrode.
The method according to claim 1,
Wherein the first touch dummy electrode overlaps the first touch electrode connection portion with the insulating layer interposed therebetween.
The method of claim 3,
Wherein the first touch electrode connection portion connects the neighboring first touch electrodes through first and second contact holes formed in the insulating layer.
5. The method according to any one of claims 1 to 4,
And at least one second touch dummy electrode is formed between the plurality of second touch electrode rows so as to overlap with the first touch electrode.
6. The method of claim 5,
Wherein the second touch electrodes and the second touch dummy electrode are formed of any one of the color filter array and the window cover disposed on the color filter array.
6. The method of claim 5,
Wherein the second touch electrodes and the second touch dummy electrode are formed on a color filter array, a window cover disposed on the color filter array, and a film disposed on the color filter array. A display device comprising a touch sensor.
A plurality of first touch electrode rows arranged in parallel in a first direction; And
And a plurality of second touch electrode rows arranged in parallel in a second direction intersecting with the first direction,
Each of the plurality of first touch electrode rows includes a plurality of first touch electrodes divided in the first direction and a plurality of first touch electrode connection units connecting the first touch electrodes adjacent to each other,
At least one first touch dummy electrode is formed between the plurality of first touch electrodes so as not to be in contact with the first touch electrode connection unit,
Wherein the plurality of first touch electrode columns also serve as a common electrode.
9. The method of claim 8,
Wherein the first touch dummy electrode overlaps the first touch electrode connection portion with the insulating layer interposed therebetween.
10. The method of claim 9,
Wherein the first touch electrode connection portion connects the neighboring first touch electrodes through first and second contact holes formed in the insulating layer.
11. The method according to any one of claims 8 to 10,
And at least one second touch dummy electrode is formed between the plurality of second touch electrode rows so as to overlap with the first touch electrode.

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