KR102225522B1 - Touch sensor-antenna structure and image display device including the same - Google Patents

Abstract

A touch sensor-antenna structure with improved electrical and optical characteristics and space efficiency of embodiments of the present invention comprises: a base layer including a touch sensing region and a touch sensing-antenna region; first sensing electrodes and second sensing electrodes disposed on the touch sensing region of the base layer and arranged in a direction crossing each other; third sensing electrodes disposed on the touch sensing-antenna region of the base layer and separately separated from each other; and an antenna pattern including a radiation electrode disposed on the touch sensing-antenna region of the base layer and disposed between the third sensing electrodes when viewed in a planar direction.

Description

A touch sensor-antenna structure and an image display device including the same TECHNICAL FIELD

The present invention relates to a touch sensor-antenna structure and an image display device including the same. More specifically, it relates to a touch sensor-antenna structure including a sensing electrode and an antenna electrode, and an image display device including the same.

Recently, electronic devices capable of inputting user commands by selecting instructions displayed on the image display device as a hand or object by combining a touch sensor with an image display device have been developed in various forms such as, for example, a tablet PC. Has become.

In addition, the image display device is being combined with a communication device such as a smart phone. Accordingly, an antenna for realizing high-frequency communication in the 3G to 5G range may be mounted on the image display device.

As described above, when a touch sensor and an antenna are mounted in one image display device, a design design is required to insert a plurality of electrodes in a limited space. Further, optical interference with the display panel of the image display device and an image generated therefrom may be caused by the electrodes. Additionally, each current or signal through the sensing electrode and the antenna of the touch sensor may collide or interfere with each other.

For example, as in Korean Patent Publication No. 2014-0092366, a touch screen panel in which a touch sensor is coupled to various image display devices has been recently developed. Korean Patent Publication No. 2013-0095451 discloses an antenna integrated into a display panel. However, it does not disclose an image display device in which an antenna and a touch sensor are efficiently disposed together.

Korean Patent Application Publication No. 2014-0092366 Korean Patent Publication No. 2013-0095451

An object of the present invention is to provide a touch sensor-antenna structure having improved electrical and optical properties and space efficiency.

An object of the present invention is to provide an image display device including a touch sensor-antenna structure having improved electrical and optical properties and space efficiency.

1. A base layer including a touch sensing area and a touch sensing-antenna area; First sensing electrodes and second sensing electrodes disposed on the touch sensing area of the base layer and arranged in a direction crossing each other; Third sensing electrodes disposed on the touch sensing-antenna area of the base layer and individually separated from each other; And an antenna pattern disposed on the touch sensing-antenna area of the base layer and including a radiation electrode disposed between the third sensing electrodes when viewed in a planar direction.

2. The touch sensor-antenna structure according to the above 1, further comprising bridge electrodes electrically connecting the adjacent first sensing electrodes to each other along a first direction parallel to the upper surface of the base layer.

3. In the above 2, further comprising connecting portions for electrically connecting the second sensing electrodes adjacent to each other in a second direction parallel to the upper surface of the base layer and crossing the first direction, the connecting portions A touch sensor-antenna structure integrally connected to the second sensing electrodes.

4. In the above 3, a plurality of first sensing electrode rows are defined by the first sensing electrodes electrically connected to each other by the bridge electrode, and a plurality of first sensing electrode rows are connected to each other by the connection part. The second sensing electrode rows of are defined, the touch sensor-antenna structure.

5. The touch sensor-antenna structure according to the above 4, further comprising first traces extending from each of the first sensing electrode rows and second traces extending from each of the second sensing electrode columns.

6. The touch sensor-antenna structure according to the above 5, further comprising third traces extending from each of the third sensing electrodes.

7. The touch sensor-antenna structure according to the above 1, wherein the radiation electrode is located on the same layer or level as the first sensing electrode, the second sensing electrode, and the third sensing electrode.

8. The touch sensor-antenna structure according to the above 1, wherein the radiation electrode and the third sensing electrode include a mesh structure having the same shape.

9. The touch sensor-antenna structure according to the above 8, further comprising a dummy pattern formed between the third sensing electrode and the radiation electrode.

10. The touch sensor-antenna structure according to the above 9, wherein the dummy pattern includes a mesh structure having the same shape as the mesh structure of the third sensing electrode and the radiation electrode.

11. The touch sensor-antenna structure according to the above 1, wherein the antenna pattern further comprises a transmission line branching and extending from the radiation electrode, and a signal pad electrically connected to an end of the transmission line.

12. The touch sensor-antenna structure according to the above 1, wherein the touch sensing area includes a central part of the base layer, and the touch sensing-antenna area is allocated to one end of the base layer.

13. The touch sensor-antenna structure according to the above 12, wherein the base layer further includes a circuit connection area allocated to the other end of the base layer.

14. The antenna driving integrated circuit chip of the above 13, wherein the touch sensing-antenna area is electrically connected to the antenna pattern; And a touch sensor driving integrated circuit chip electrically connected to the first sensing electrodes, the second sensing electrodes, and the third sensing electrodes on the circuit connection area.

15. An image display device comprising the touch sensor-antenna structure of any one of 1 to 14 above.

The touch sensor-antenna structure according to embodiments of the present invention may include the sensing electrode and the radiation electrode of the antenna pattern in the same area or at the same level. Accordingly, a separate space and process for mounting the antenna pattern may be omitted, and an antenna pattern substantially integrated with the touch sensor layer may be implemented.

According to example embodiments, sensing electrodes adjacent to the antenna pattern may be provided as independent sensing domain electrodes, respectively. Accordingly, even if the antenna pattern is inserted between the sensing electrodes, independent touch sensing and a predetermined sensitivity can be maintained through each sensing electrode.

In some embodiments, the sensing electrode and the antenna pattern may include, for example, a mesh structure having the same structure, and it is possible to suppress the visibility of the electrode to the user through pattern uniformity.

1 is a schematic plan view illustrating a region and a structure of a touch sensor-antenna structure according to example embodiments.
2 and 3 are plan and cross-sectional views, respectively, illustrating an arrangement of sensing electrodes in a touch sensing area of a touch sensor-antenna structure according to exemplary embodiments.
4 is a schematic plan view illustrating an arrangement of sensing electrodes and antenna patterns of a touch sensor-antenna structure according to example embodiments.
5 is a schematic plan view illustrating an arrangement of sensing electrodes and antenna patterns of a touch sensor-antenna structure according to some exemplary embodiments.
6 is a schematic diagram illustrating an image display device according to exemplary embodiments.

Embodiments of the present invention provide a touch sensor-antenna structure including a sensing electrode and an antenna pattern together in the same area. In addition, an image display device including the touch sensor-antenna structure is provided.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the drawings. However, the following drawings attached to the present specification illustrate preferred embodiments of the present invention, and serve to further understand the technical idea of the present invention together with the contents of the present invention, so that the present invention is described in such drawings. It is limited to the matters and should not be interpreted.

1 is a schematic plan view illustrating a region and a structure of a touch sensor-antenna structure according to example embodiments.

For convenience of explanation, illustration of sensing electrodes and antenna patterns are omitted in FIG. 1, and will be described later in more detail with reference to FIGS. 2 to 5.

Referring to FIG. 1, the touch sensor-antenna structure may include a base layer 100 on which sensing electrodes and antenna patterns are arranged.

The base layer 100 or the touch-sensor antenna structure may include a touch sensing area TR and a touch sensing-antenna area TAR.

The touch sensing area TR includes a central portion of the base layer 100 and may be provided as an active area of a practical touch sensor through which a user's touch input is sensed.

The touch sensing-antenna area TAR may be, for example, an area in which an antenna pattern for realizing high-frequency communication in the 3G to 5G range is mounted. According to example embodiments, some sensing electrodes of the touch sensor may be distributed together with the antenna pattern in the touch sensing-antenna area TAR.

1, the touch sensing-antenna area TAR may be allocated to one end of the base layer 100 to be adjacent to the touch sensing area TR.

The touch sensor-antenna structure may further include an integrated circuit (IC) chip for driving and controlling the touch sensor and the antenna pattern. For example, the antenna driving IC chip 260 may be disposed adjacent to the touch sensing-antenna area TAR to be electrically connected to the antenna pattern. The touch sensor driving IC chip 250 may be disposed adjacent to the touch sensing area TR at the other end of the base layer 100 to be electrically connected to distal ends of the traces branching from the sensing electrodes.

As shown in FIG. 1, a circuit connection area BR may be allocated to the base layer 100 or the other end of the touch sensor-antenna structure adjacent to the touch sensing area TR. For example, traces extending from sensing electrodes of the touch sensor may be collected in the circuit connection area BR. Electrical connection between the touch sensor driving IC chip 250 and the sensing electrodes may be implemented through distal ends of the traces.

In some embodiments, a flexible printed circuit board (FPCB) may be disposed between the antenna driving IC chip 260 and the antenna pattern, and between the touch sensor driving IC chip 250 and the distal end of the trace, respectively.

2 and 3 are plan and cross-sectional views, respectively, illustrating an arrangement of sensing electrodes in a touch sensing area of a touch sensor-antenna structure according to exemplary embodiments. 4 is a schematic plan view illustrating an arrangement of sensing electrodes and antenna patterns of a touch sensor-antenna structure according to example embodiments.

For example, FIG. 3 is a cross-sectional view taken along the line II′ shown in FIG. 4 in the thickness direction. 4 is a plan view illustrating an arrangement of electrodes in a touch sensing-antenna area TAR and a touch sensing area TR adjacent to the touch sensing-antenna area TAR.

2 and 3, a direction in which the first sensing electrodes 110 and the second sensing electrodes 130 cross each other on the touch sensing area TR of the base layer 100 described with reference to FIG. 1. Can be arranged along. According to example embodiments, touch sensing may be implemented on the touch sensing area TR through mutual capacitance between the first and second sensing electrodes 110 and 130.

In the drawings below, two directions that are parallel to the top surface of the base layer 100 and cross each other are defined as a first direction and a second direction. For example, the first direction and the second direction may cross each other perpendicularly.

The touch sensor-antenna structure may include sensing electrodes 110 and 130, a bridge electrode 115, and a connection part 135 arranged on a portion of the touch sensing area TR of the base layer 100.

The base layer 100 is used to include the sensing electrodes 110 and 130 and a support layer or a film-type base material for forming an antenna pattern to be described later. For example, the base layer 100 may include a film material commonly used for a touch sensor without particular limitation, and may include, for example, glass, a polymer, and/or an inorganic insulating material. Examples of the polymer include cyclic olefin polymer (COP), polyethylene terephthalate (PET), polyacrylate (PAR), polyetherimide (PEI), polyethylene naphthalate (PEN), polyphenylene sulfide (PPS), poly Allylate, polyimide (PI), cellulose acetate propionate (CAP), polyethersulfone (PES), cellulose triacetate (TAC), polycarbonate (PC), cyclic olefin copolymer (COC), poly And methyl methacrylate (PMMA). Examples of the inorganic insulating material include silicon oxide, silicon nitride, silicon oxynitride, and metal oxide.

In some embodiments, the layer or film member of the image display device into which the touch sensor-antenna structure is inserted may be provided as the base layer 100. For example, an encapsulation layer or a passivation layer included in the display panel may be provided as the base layer 100.

The first sensing electrodes 110 may be arranged along the first direction. Each of the first sensing electrodes 110 may have an independent island pattern shape, and the first sensing electrodes 110 adjacent in the first direction may be electrically connected to each other by a bridge electrode 115. have.

Accordingly, first sensing electrode rows extending in the first direction are defined, and a plurality of first sensing electrode rows may be arranged along the second direction.

The second sensing electrodes 130 may be arranged along the second direction. The second sensing electrodes 130 adjacent in the second direction may be connected to each other by a connection part 135. The second sensing electrodes 130 and the connection part 135 may be integrally connected to each other to be substantially provided as a single member. In this case, the second sensing electrodes 130 and the connection part 135 are formed by patterning together from the same conductive layer, and may be positioned on the same layer or on the same level.

Accordingly, a second sensing electrode row extending in the second direction is defined, and a plurality of the second sensing electrode rows may be arranged along the first direction.

Traces may be branched and extended from each of the first sensing electrode rows and the second sensing electrode columns. For example, the first trace 140 may branch and extend from each of the first sensing electrode rows. The second traces 145 may be branched and extended from each of the second sensing electrode rows.

The first and second traces 140 and 145 may extend along the periphery of the base layer 100 and may be collected in the circuit connection area BR shown in FIG. 1. Accordingly, as described above, bonding with the touch sensor driving IC chip 250 may be implemented through the distal ends of the first and second traces 140 and 145.

As shown in FIG. 3, an insulating layer 120 may be formed on the base layer 100 to at least partially cover the first sensing electrodes 110 and the connection part 135. The bridge electrode 115 may be disposed on the insulating layer 120 to electrically connect the neighboring first sensing electrodes 110 to each other through, for example, a contact hole formed in the insulating layer 120.

A passivation layer 150 for protecting the touch sensor may be formed on the insulating layer 120 and the bridge electrode 115.

The insulating layer 120 and the passivation layer 150 may include an inorganic insulating material such as silicon oxide or silicon nitride, and/or an organic insulating material such as an acrylic resin or a siloxane resin.

The sensing electrodes 110 and 130, the bridge electrode 115 and/or the traces 140 and 145 are silver (Ag), gold (Au), copper (Cu), aluminum (Al), platinum (Pt), Palladium (Pd), chromium (Cr), titanium (Ti), tungsten (W), niobium (Nb), tantalum (Ta), vanadium (V), iron (Fe), manganese (Mn), cobalt (Co), It may include a metal such as nickel (Ni), zinc (Zn), molybdenum (Mo), calcium (Ca), or an alloy thereof (eg, silver-palladium-copper (APC)). These may be used alone or in combination of two or more.

The sensing electrodes 110 and 130, the bridge electrode 115 and/or the traces 140 and 145 are, for example, indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium It may also contain a transparent conductive oxide such as zinc tin oxide (IZTO), cadmium tin oxide (CTO).

In some embodiments, the sensing electrodes 110 and 130, the bridge electrode 115 and/or the traces 140 and 145 may include a stacked structure of a transparent conductive oxide and a metal. For example, the sensing electrodes 110 and 130, the bridge electrode 115 and/or the traces 140 and 145 may have a three-layer structure of a transparent conductive oxide layer-metal layer-transparent conductive oxide layer. In this case, while the flexible property is improved by the metal layer, the signal transmission speed may be improved by lowering the resistance, and corrosion resistance and transparency may be improved by the transparent conductive oxide layer.

In some embodiments, the sensing electrodes 110 and 130 may include a mesh structure including a plurality of electrode lines intersecting each other therein.

In some embodiments, the sensing electrodes 110 and 130 and the bridge electrode 115 may be arranged in a bottom-bridge structure. In this case, the bridge electrode 115 may be disposed under the sensing electrodes 110 and 130. For example, the bridge electrode 115 may include a low-resistance metal, and by disposing the bridge electrode 115 away from the visible surface (for example, the upper surface of the passivation layer 150), the electrode by light reflection It is possible to reduce visibility and channel resistance together.

Referring to FIG. 4, as described with reference to FIGS. 2 and 3, on the touch sensing area TR of the base layer 100, the first sensing electrodes 110 and the second sensing electrodes 130 are mutually electrostatically charged. It can be arranged according to the capacity driving method.

According to example embodiments, the third sensing electrode 160 and the antenna pattern 200 may be arranged together on the touch sensing-antenna area TAR of the base layer 100.

The antenna pattern 200 may include a radiation electrode 210, a transmission line 220, and a signal pad 230. The radiation electrode 210 may have, for example, a polygonal plate shape, and the transmission line 220 may be branched from the radiation electrode 210 to extend. The signal pad 230 may be electrically connected to an end of the transmission line 220.

The antenna pattern 200 may include a conductive material that is substantially the same as or similar to the sensing electrodes 110 and 130. For example, the antenna pattern 200 may include the above-described metal or alloy, or a transparent conductive oxide, and may have a multilayer structure of a metal layer and a transparent conductive oxide.

In some embodiments, the radiation electrode 210 and the transmission line 220 may have a mesh structure including a plurality of electrode lines intersecting each other therein. In one embodiment, the radiation electrode 210 and the transmission line 220 may be formed of a substantially single member including the mesh structure.

The signal pad 230 may be formed in, for example, a solid pattern including the above-described metal or alloy in order to reduce power supply resistance. The antenna driving IC chip 260 illustrated in FIG. 1 may be electrically connected to the signal pad 230 of the antenna pattern 200 through, for example, an FPCB.

A third sensing electrode 160 may be disposed around the antenna pattern 200. For example, a plurality of antenna patterns 200 and a plurality of third sensing electrodes 160 may be arranged on the touch sensing-antenna area TAR in an array form.

According to example embodiments, each of the third sensing electrodes 160 may be provided in an independent island pattern. Each of the third sensing electrodes 160 may be electrically and physically separated and provided as independent touch sensing domains. For example, the third sensing electrodes 160 may be arranged in a self-capacitance driving method.

Accordingly, the third trace 170 may be individually branched and extended for each third sensing electrode 160. The third traces 170 may be aggregated into the circuit connection area BR shown in FIG. 1 along the periphery of the base layer 100, for example.

For example, distal ends of the third traces 170 may be electrically connected to the touch sensor driving IC chip 250. Accordingly, the touch sensing operation in the touch sensing area TR and the touch sensing-antenna area TAR may be controlled together through the touch sensor driving IC chip 250.

The third sensing electrode 160 may be physically and electrically separated from the antenna pattern 200. For example, when observed in a planar direction as shown in FIG. 4, the third sensing electrode 160 and the antenna pattern 200 may be separated from each other through the dummy region DR. Accordingly, it is possible to prevent mutual electrical signal interference between touch sensing and antenna driving.

The third sensing electrode 160 may include a conductive material that is substantially the same as or similar to the first and second sensing electrodes 110 and 130. For example, the third sensing electrode 160 may include the above-described metal, alloy, and/or transparent conductive oxide.

In some embodiments, the third sensing electrode 160 may include a mesh structure. For example, the third sensing electrode 160 may include a mesh structure that is substantially the same as or similar to the radiation electrode 210 of the antenna pattern 200. Accordingly, it is possible to reduce or prevent electrode visibility due to variations in the shape of the conductive pattern in the touch sensing-antenna area TAR.

In one embodiment, all of the first and second sensing electrodes 110 and 130, the third sensing electrode 160, and the radiation electrode 210 may have substantially the same or similar mesh structure.

The third sensing electrode 160 may be positioned on the same layer or at the same level as the first and second sensing electrodes 110 and 130. For example, the third sensing electrode 160 may be disposed on the base layer 100 together with the first and second sensing electrodes 110 and 130.

In some embodiments, the radiation electrode 210 of the antenna pattern 200 may be located on the same layer or the same level as the third sensing electrode 160. For example, the radiation electrode 210 may be disposed on the base layer 100 together with the third sensing electrode 160. In this case, as shown in FIG. 4, the radiation electrode 210 may be inserted or embedded between the neighboring third sensing electrodes 160.

In some embodiments, the radiation electrode 210 of the antenna pattern 200 may be located on a different layer from the third sensing electrode 160, for example, located at the upper level of the third sensing electrode 160 can do.

For example, the antenna pattern 200 may be disposed on the insulating layer 120 (see FIG. 3) together with the bridge electrode 115. In this case, referring again to FIG. 4, the antenna pattern 200 may be disposed so as not to overlap with the third sensing electrode 160 in the planar direction.

Accordingly, it is possible to prevent signal reception and field formation through the radiation electrode 210 from being interfered or disturbed by the third sensing electrode 160.

As described above, the antenna pattern 200 or the radiation electrode 210 may be formed together at the same layer or at the same level as the sensing electrodes 110 and 130 or the bridge electrode 115 included in the touch sensing area TR. I can. Accordingly, it is possible to implement a structure in which the touch sensor and the antenna are integrated into one product or unit while securing the independence of driving the antenna through the radiation electrode 210.

In addition, by arranging the self-capacitive type third sensing electrodes 160 around the antenna pattern 200, a touch sensing function may be provided even in a region adjacent to the antenna pattern 200. Since the third sensing electrode 160 is provided as an independent sensing domain, mutual signal interference due to parasitic capacitance with the radiation electrode 210 may be reduced.

In the touch sensing area TR, the first and second sensing electrodes 110 and 130 are arranged in a mutually capacitive manner to form the first and second traces 140 and 145 for each sensing electrode row and sensing electrode column. can do. Accordingly, it is possible to relatively reduce the number of traces and increase the density of sensing electrodes.

Accordingly, in the touch sensing area TR, which is a practical touch active area, touch sensing with higher sensitivity than that in the touch sensing-antenna area TAR may be provided.

5 is a schematic plan view illustrating an arrangement of sensing electrodes and antenna patterns of a touch sensor-antenna structure according to some exemplary embodiments.

Referring to FIG. 5, a dummy pattern 240 may be formed in a dummy region DR separating between the third sensing electrode 160 and the antenna pattern 200.

According to exemplary embodiments, the dummy pattern 240 may be formed in a mesh structure in which a plurality of electrode lines including the above-described metal, alloy, or transparent conductive oxide intersect. In an embodiment, the dummy pattern 240 may have a mesh structure that is substantially the same as or similar to the third sensing electrode 160 and the radiation electrode 210.

The dummy pattern 240 may be patterned to be electrically and physically separated from the third sensing electrode 160 and the antenna pattern 200, respectively. As the dummy pattern 240 is inserted, the shape and arrangement uniformity of the conductive pattern in the touch sensing-antenna area TAR is more improved, and thus electrode visibility can be effectively prevented.

Also, noise between the third sensing electrode 160 and the antenna pattern 200 may be shielded or absorbed by the dummy pattern 240. Accordingly, the independence and reliability of the antenna feeding/radiation through the touch sensing through the third sensing electrode 160 and the antenna pattern 200 may be further improved.

In some embodiments, the dummy pattern 240 may include segmented regions in which the electrode lines are cut. In this case, self-electrical interference caused by the dummy pattern 240 may be prevented, and operation reliability of the third sensing electrode 160 and the antenna pattern 200 may be further improved.

6 is a schematic diagram illustrating an image display device according to exemplary embodiments. For example, Fig. 6 shows an external shape including a window of an image display device.

Referring to FIG. 6, the image display device 300 may include a display area 310 and a peripheral area 320. The peripheral area 320 may be disposed on both sides and/or both ends of the display area 310, for example. The peripheral area 320 may correspond to, for example, a light blocking portion or a bezel portion of an image display device.

The above-described touch sensor-antenna structure is disposed over the display area 310 and the peripheral area 320 of the image display device 300, and the first and second sensing electrodes 110 and 130 of the touch sensing area TR. ) May be arranged in the display area 310.

In addition, the touch sensing-antenna area TAR may be located over the display area 310 and the peripheral area 320. For example, the radiation electrode 210 of the antenna pattern 200 and the third sensing electrodes 160 around the radiation electrode 210 may also be at least partially arranged in the display area 310. As described above, it is possible to prevent the radiation electrodes 210 and the third sensing electrode 160 from being visually recognized by the user by using the mesh structure.

The antenna pattern 200 and the third sensing electrode 160 may also be distributed in the peripheral area 320. For example, a touch sensing sensitivity of a recognition level of a Home button or a key button in the peripheral area 320 may be provided through the third sensing electrode 160.

The signal pad 230 of the antenna pattern 200 illustrated in FIG. 4 may be disposed in the peripheral area 320. In addition, the touch sensor driving IC chip 250 and the antenna driving IC chip 260 are disposed in the peripheral area 320, and the pads connected to the sensing electrodes 110, 130, 160 and signals of the antenna pattern 200 Each of the pads 230 may be electrically connected.

According to the above-described exemplary embodiments, the spatial freedom of the image display device by integrating the antenna pattern 200 of the touch sensor-antenna structure with the sensing electrodes 110, 130, 160 of the touch sensor at the same area or level. Can increase

100: base layer 110: first sensing electrode
115: bridge electrode 120: insulating layer
130: second sensing electrode 135: connection
140: first trace 145: second trace
150: passivation layer 160: third sensing electrode
170: third trace 200: antenna pattern
210: radiation electrode 220: transmission line
230: signal pad 240: dummy pattern
250: touch sensor driving IC chip 260: antenna driving IC chip

Claims (15)

A base layer including a touch sensing area and a touch sensing-antenna area;
First sensing electrodes and second sensing electrodes disposed on the touch sensing area of the base layer and arranged in a direction crossing each other;
Third sensing electrodes disposed on the touch sensing-antenna area of the base layer and individually separated from each other; And
An antenna pattern disposed on the touch sensing-antenna region of the base layer and including a radiation electrode disposed between the third sensing electrodes when viewed from a planar direction,
Both the radiation electrode and the third sensing electrode are located on the same layer or on the same level,
An antenna structure including a touch sensor, wherein all of the third sensing electrodes included in the touch sensing-antenna area have a shape different from that of the first sensing electrode and the second sensing electrode. The antenna structure according to claim 1, further comprising bridge electrodes electrically connecting the adjacent first sensing electrodes to each other along a first direction parallel to the upper surface of the base layer. The method according to claim 2, further comprising connecting portions for electrically connecting the second sensing electrodes adjacent to each other in a second direction parallel to the upper surface of the base layer and crossing the first direction, wherein the connecting portions are the first 2 An antenna structure including a touch sensor integrally connected to the sensing electrodes. The method according to claim 3, wherein a plurality of first sensing electrode rows are defined by the first sensing electrodes electrically connected to each other by the bridge electrode,
An antenna structure including a touch sensor, wherein a plurality of second sensing electrode rows are defined by the second sensing electrodes connected to each other by the connection part. The antenna structure of claim 4, further comprising first traces extending from each of the first sensing electrode rows and second traces extending from each of the second sensing electrode rows. The antenna structure according to claim 5, further comprising third traces extending from each of the third sensing electrodes. The antenna structure of claim 1, wherein the radiation electrode is located on the same layer or level as the first sensing electrode, the second sensing electrode, and the third sensing electrode. The antenna structure according to claim 1, wherein the radiation electrode and the third sensing electrode have a mesh structure having the same shape. The antenna structure of claim 8, further comprising a dummy pattern formed between the third sensing electrode and the radiation electrode. The antenna structure of claim 9, wherein the dummy pattern includes a mesh structure having the same shape as the mesh structure of the third sensing electrode and the radiation electrode. The antenna structure of claim 1, wherein the antenna pattern further comprises a transmission line branching from and extending from the radiation electrode, and a signal pad electrically connected to an end of the transmission line. The antenna structure according to claim 1, wherein the touch sensing area includes a central part of the base layer, and the touch sensing-antenna area is allocated to one end of the base layer. The antenna structure of claim 12, wherein the base layer further comprises a circuit connection area allocated to the other end of the base layer. The method of claim 13,
An antenna driving integrated circuit chip electrically connected to the antenna pattern on the touch sensing-antenna area; And
An antenna structure including a touch sensor, further comprising a touch sensor driving integrated circuit chip electrically connected to the first sensing electrodes, the second sensing electrodes, and the third sensing electrodes on the circuit connection area. An image display device comprising the touch sensor-antenna structure of claim 1.

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