TW201502897A - Touch panel - Google Patents

Abstract

A touch panel including a substrate, a touch sensing array, a first electrostatic discharge (ESD) protection circuit, a first insulation layer and a plurality of first connecting lines is provided. The substrate has an active region and a periphery region wherein the periphery region is surrounding the active region. The touch sensing array is disposed on the substrate and located in the active region. The first ESD protection circuit is disposed on the substrate and located in the periphery region. The first insulation is disposed on the substrate and located in the periphery region, wherein the first insulation covers the first ESD protection circuit. The plurality of first connecting lines are disposed on the first insulation layer and respectively connected to the touch sensing array.

Description

Touch panel

The present invention relates to a touch panel, and more particularly to a touch panel having an electrostatic protection function.

In recent years, with the rapid development and application of information technology, wireless mobile communication and information appliances, many information products have been input devices such as traditional keyboards or mice for the purpose of being more convenient, lighter and more humanized. , changed to use a touch panel (Touch Panel) as an input device.

The touch panel can be roughly classified into a resistive touch panel, a capacitive touch panel, an optical touch panel, an acoustic wave touch panel, and an electromagnetic touch panel according to different sensing forms. Since capacitive touch panels have advantages such as fast response time, good reliability, and high definition compared with other types of touch panels, they are widely used in various types of handheld electronic devices.

In general, electronic products are subject to electrostatic discharge damage during production, packaging, testing, handling, and even final assembly and use, which may cause malfunctions, and touch panels also have electrostatic discharge problems. To this end, the touch panel usually produces an ESD protection circuit for protection. Electrostatic protection line It is always at the outer periphery of the connection area of the touch panel and around the peripheral area. However, making the ESD protection circuit at the outermost periphery of the peripheral area will increase the frame size of the touch panel, which is not in line with the current design of the electronic product to reduce the size.

The invention provides a touch panel, which can effectively reduce or even eliminate the space occupied by the static protection circuit on the frame thereof, and is beneficial to the design of the narrow frame.

The touch panel of the present invention comprises a substrate, a touch sensing array, a first static electricity protection circuit, a first insulating layer and a plurality of first connecting lines. The substrate has an active area and a peripheral area surrounding the active area. The touch sensing array is disposed on the substrate and located in the active region. The first ESD protection line is disposed on the substrate and located in the peripheral region. The first insulating layer is disposed on the substrate and located in the peripheral region, wherein the first insulating layer covers the first static electricity protection circuit. A plurality of first connecting lines are disposed on the first insulating layer and are respectively coupled to the contact sensing array.

In an embodiment of the invention, the first static electricity protection line surrounds at least one side of the substrate.

In an embodiment of the invention, the first ESD protection line includes a closed pattern surrounding all sides of the substrate.

In an embodiment of the invention, the touch panel further includes a plurality of first pads and at least one second pads. The plurality of first pads are disposed on the first insulating layer and adjacent to one side of the substrate, and the first pads are respectively connected to the first connecting lines. The second pad is disposed on the first insulating layer and adjacent to one side of the substrate, and the second pad is first A corresponding contact window within the edge layer is coupled downwardly to the first ESD protection line.

In an embodiment of the invention, the first insulating layer is a light shielding layer.

In an embodiment of the invention, the touch panel further includes a second insulating layer and a plurality of second connecting lines. The second insulating layer covers the first insulating layer and the first connecting line. A plurality of second connecting lines are located on the second insulating layer and are respectively coupled to the contact sensing array.

In an embodiment of the invention, the touch panel further includes a second insulating layer disposed between the first insulating layer and the substrate, wherein the first electrostatic shielding line is located between the first insulating layer and the second insulating layer. between.

In an embodiment of the invention, the second insulating layer is a light shielding layer.

In an embodiment of the invention, the touch panel further includes a second static electricity protection circuit disposed on the first insulating layer.

In an embodiment of the invention, the second static protection circuit has the same material as the first connection line.

In an embodiment of the invention, the touch panel further includes a plurality of second connecting lines disposed between the first insulating layer and the substrate, and the first static protective line and the second connecting line have the same material.

In an embodiment of the invention, the second static protection circuit is made of metal or a transparent conductive material.

In an embodiment of the invention, the orthographic projection of the first ESD protection line on the substrate at least partially overlaps the orthographic projection of the second ESD protection line on the substrate.

In an embodiment of the invention, the touch panel further includes a contact window located in the first insulating layer and coupled to the first static electricity protection circuit and the second static electricity protection circuit.

In an embodiment of the invention, the first static protection circuit is made of a metal or a transparent conductive material.

A touch panel includes a substrate, a touch sensing array, a touch sensing array, a light shielding layer, a first static electricity protection circuit, and a plurality of first connection lines. The substrate has an active area and a peripheral area surrounding the active area. The touch sensing array is disposed on the substrate and located in the active region. The light shielding layer is disposed on the substrate and located in the peripheral region. The first static protection circuit is buried in the light shielding layer. The first connection line is disposed on the light shielding layer and coupled to the contact sensing array respectively.

In an embodiment of the invention, the touch panel further includes an insulating layer and a plurality of second connecting lines. The insulating layer covers the light shielding layer and the first connecting line. The second connection line is on the insulating layer and is respectively coupled to the contact sensing array.

A touch panel of the present invention includes a substrate, a touch sensing array, a first static electricity protection circuit, an insulating layer, a second static electricity protection circuit, and a plurality of connecting wires. The substrate has an active area and a peripheral area surrounding the active area. The touch sensing array is disposed on the substrate and located in the active region. The first ESD protection line is disposed on the substrate and located in the peripheral region. The insulating layer is disposed on the substrate and located in the peripheral region, and the insulating layer covers the first static electricity protection circuit. The second static protection circuit is disposed on the insulating layer. The connecting lines are disposed in the peripheral area and are respectively coupled to the contact sensing array.

In an embodiment of the invention, the first static protection line is at the base The orthographic projection of the board at least partially overlaps the orthographic projection of the second ESD protection line on the substrate.

In an embodiment of the invention, the touch panel further includes a contact window disposed in the insulating layer and coupled to the first static electricity protection circuit and the second static electricity protection circuit.

Based on the above, the first connecting line of the touch panel of the present invention is disposed on the first insulating layer of the peripheral region, and the first static protective line is disposed in the first insulating layer, wherein the first insulating layer can be a light shielding layer. By arranging the first electrostatic protection line on the light shielding layer, the frame size of the touch panel can be effectively reduced. In addition, the material of the first static electricity protection circuit may be metal, so the light shielding effect of the light shielding layer may be increased. On the other hand, the touch panel can adopt the design of two layers of electrostatic protection lines, wherein the first insulation layer is located between the first static protection line and the second static protection line. With the design of two layers of ESD protection lines, the width of each ESD protection line can be reduced while maintaining the ESD protection function of the touch panel, so as to effectively reduce the size of the frame of the touch panel.

The above described features and advantages of the invention will be apparent from the following description.

100, 200, 300, 400, 500, 600A, 600B, 600C, 700, 800, 900‧‧‧ touch panels

110, 410‧‧‧ substrate

110a, 410a‧‧‧ active area

110b, 410b‧‧‧ surrounding area

112‧‧‧ side

120, 420‧‧‧ touch sensing array

122, 422‧‧‧ touch sensing pattern

130, 330, 430, 730, 830, 930‧‧‧ first static protection circuit

130a, 130b‧‧‧ endpoint

140, 440, 610, 610C‧‧‧ first insulation

150, 450‧‧‧ first cable

160‧‧‧Second insulation

170‧‧‧First mat

180‧‧‧second mat

210‧‧‧ third insulation

220, 510‧‧‧ second connection line

460, 620, 620C, 760, 860, 960‧‧‧ second electrostatic protection circuit

612, 612C‧‧‧Contact window

FIG. 1 is a top plan view of a touch panel according to an embodiment of the invention.

2 is a cross-sectional view of the touch panel of FIG. 1.

3 is a cross-sectional view of a touch panel in accordance with still another embodiment of the present invention.

4 is a top plan view of a touch panel in accordance with still another embodiment of the present invention.

FIG. 5 is a partial top plan view of a touch panel according to still another embodiment of the present invention.

6 is a cross-sectional view of the touch panel of FIG. 5.

FIG. 7 is a cross-sectional view of a touch panel in accordance with still another embodiment of the present invention.

FIG. 8A is a schematic cross-sectional view of a touch panel according to still another embodiment of the present invention.

FIG. 8B is a cross-sectional view of a touch panel according to still another embodiment of the present invention.

FIG. 8C is a cross-sectional view of a touch panel according to still another embodiment of the present invention.

FIG. 9 is a partial top plan view of a touch panel according to still another embodiment of the present invention.

FIG. 10 is a partial top plan view of a touch panel according to still another embodiment of the present invention.

FIG. 11 is a partial top plan view of a touch panel according to still another embodiment of the present invention.

FIG. 1 is a top plan view of a touch panel according to an embodiment of the invention. 2 is a cross-sectional view of the touch panel of FIG. 1. Referring to FIG. 1 and FIG. 2 , the touch panel 100 includes a substrate 110 , a touch sensing array 120 , a first static electricity protection line 130 , a first insulating layer 140 , and a plurality of first connecting lines 150 . The substrate 110 has an active area 110a and a peripheral area 110b surrounding the active area 110a. The substrate 110 is, for example, a glass substrate, a plastic substrate, a flexible substrate, or another substrate.

The touch sensing array 120 is disposed on the substrate 110 and located in the active region 110a. The first static electricity protection line 130 is disposed on the substrate 110 and is located within the peripheral region 110b. The first insulating layer 140 is disposed on the substrate 110 and located in the peripheral region 110b, wherein the first insulating layer 140 covers the first static electricity protection line 130. A plurality of first connecting lines 150 are disposed on the first insulating layer 140 and are respectively coupled to the touch sensing array 120.

It should be noted that the touch sensing array 120 of the touch panel 100 includes a plurality of touch sensing patterns 122 . Moreover, the touch sensing array 120 can be a single layer structure or a double layer structure, and the touch sensing patterns 122 of the touch sensing array 120 can adopt a coplanar or non-coplanar design.

In this embodiment, by arranging the first static electricity protection line 130 in the first insulating layer 140 of the peripheral region 110b instead of surrounding the outermost periphery of the first connecting line 150, the frame size of the touch panel 100 can be effectively reduced. .

In this embodiment, the first static electricity protection line 130 surrounds each side of the substrate 110, and the first static electricity protection line 130 has an opening on the side 112 of the substrate 110. mouth. It should be noted that the present invention does not limit the form of the first static protection circuit 130 surrounding the substrate 120. The first static protection circuit 130 may also surround only one side of the substrate 110. In addition, as shown in FIG. 1 , the touch panel 100 further includes a plurality of first pads 170 and two second pads 180 . The first pads 170 are disposed on the first insulating layer 140 and adjacent to one side 112 of the substrate 110 , and the first pads 170 are respectively connected to the first connecting lines 150 . The two second pads 180 are respectively connected to the two ends 130a, 130b of the first static electricity protection line 130. The second pad 180 is disposed on the first insulating layer 140 and adjacent to one side 112 of the substrate 110 . The second pad 180 is coupled downward to the first static electricity protection line 130 via a corresponding contact window in the first insulating layer 140 . The touch panel 100 can be electrically connected to the first pad 170 and the second pad 180 by, for example, a flexible circuit board (not shown) to achieve the function of transmitting signals. It should be noted that, in another embodiment not shown, the two ends 130a, 130b of the first static protection circuit 130 may not be connected to the second pad 180.

In this embodiment, the first insulating layer 140 is a light shielding layer. In addition, the material of the first static electricity protection line 130 is a metal or a transparent conductive material, wherein the transparent conductive material is, for example, Indium Tin Oxide (ITO) or Indium Zinc Oxide (IZO).

The touch panel 100 further includes a second insulating layer 160 disposed between the first insulating layer 140 and the substrate 110 , wherein the first static electricity shielding line 130 is located between the first insulating layer 140 and the second insulating layer 160 . In this embodiment, the first insulating layer 140 and the second insulating layer 160 are both light shielding layers, and the color of each light shielding layer may be black, white or any other border color. It should be noted that in this embodiment, The first insulating layer 140 and the second insulating layer 160 are of the same material and substantially the same light shielding layer, and the first static electricity protection line 130 is buried in the light shielding layer. The first insulating layer 140 and the second insulating layer 160 may shield the first connection line 150 of the peripheral region 100b of the touch panel 100. In this embodiment, the first electrostatic protection circuit 130 is buried in the light shielding layer instead of surrounding the outermost periphery of the first connection line 150 to reduce the frame size of the touch panel 100.

The following embodiments are used to identify the same or similar elements, and the description of the same technical content is omitted. For the description of the omitted portions, reference may be made to the foregoing embodiments, and the following embodiments are not repeated.

3 is a cross-sectional view of a touch panel in accordance with still another embodiment of the present invention. The embodiment of FIG. 3 is similar to the embodiment of FIG. 1 . The difference between the two is mainly that the touch panel 200 of FIG. 3 further includes a third insulating layer 210 and a plurality of second connecting lines 220 . The third insulating layer 210 covers the first insulating layer 140 and the first connection line 150. A plurality of second connecting lines 220 are located on the third insulating layer 210 and are respectively coupled to the touch sensing array 120. In other words, in the embodiment, the connection lines of the touch panel 200 can be respectively fabricated on different film layers. As shown in FIG. 3, the first connecting line 150 and the second connecting line 220 are not coplanar.

It should be noted that the touch sensing array 120 of the present application may be a single layer structure or a double layer structure, and the touch sensing patterns 122 of the touch sensing array 120 may be coplanar or non-coplanar. design. In addition, the first connecting line 150 and the second connecting line 220 may be a two-layer structure or a single-layer structure. More specifically, the first connection line The second connecting line 150 and the second connecting line 220 may be patterned by the same metal layer or by a metal layer positioned on the upper and lower sides of the insulating layer.

4 is a top plan view of a touch panel in accordance with still another embodiment of the present invention. The embodiment of FIG. 4 is similar to the embodiment of FIG. 1, with the main difference being that, in the present embodiment, the first ESD protection line 330 includes a closed pattern surrounding all sides of the substrate 110.

FIG. 5 is a partial top plan view of a touch panel according to still another embodiment of the present invention. 6 is a cross-sectional view of the touch panel of FIG. 5. Referring to FIG. 5 and FIG. 6 , the touch panel 400 includes a substrate 410 , a touch sensing array 420 , a first static protection circuit 430 , a first insulating layer 440 , a plurality of first connecting lines 450 , and a first The second static electricity protection line 460. The substrate 410 has an active area 410a and a peripheral area 410b surrounding the active area 410a. The touch sensing array 420 is disposed on the substrate 410 and is located within the active region 410a. The first ESD line 430 is disposed on the substrate 410 and is located within the peripheral region 410b. The first insulating layer 440 is disposed on the substrate 410 and located in the peripheral region 410b, wherein the first insulating layer 440 covers the first static electricity protection line 430. The second static protection circuit 460 is disposed on the first insulating layer 440. A plurality of first connecting lines 450 are disposed in the peripheral area and are respectively coupled to the contact sensing array 420.

In this embodiment, the touch panel 400 includes two static protection lines 440 and 460. The static protection lines 430 and 460 are located on different layers of the touch panel 400, and the static protection lines 430 and 460 are not coplanar. In this way, the width of each of the static electricity protection lines 430 and 460 can be made thinner while maintaining the electrostatic protection function of the touch panel 400. When the width of the static electricity protection lines 430 and 460 is thinned, the contact can be reduced. The frame size of the control panel 400.

Moreover, in the present embodiment, the orthographic projection of the first ESD protection line 430 on the substrate 410 completely overlaps the orthographic projection of the second ESD protection line 460 on the substrate 410. In this way, the frame size of the touch panel 400 can be further reduced.

In this embodiment, the touch sensing array 420 of the touch panel 400 may be a single layer structure or a double layer structure, and the touch sensing patterns 422 of the touch sensing array may adopt a coplanar or non-coplanar design. For a description of this part, reference may be made to the embodiment of FIG. 3, and details are not described herein again. In addition, in this embodiment, the second ESD protection line 460 has the same material as the first connection line 450, such as a metal or a transparent conductive material, and the second ESD protection line 460 and the first connection line 450 can be in the same process step. Made in China or made in two different process steps. However, the present invention is not limited thereto. The second static protection circuit 460 and the first connection line 450 may also be different materials. For example, the second static protection circuit 460 is a transparent conductive material, and the first connection line 450 is metal. Alternatively, the first connection line 450 is a transparent conductive material and the second static protection line 460 is a metal.

The following embodiments are used to identify the same or similar elements, and the description of the same technical content is omitted. For the description of the omitted portions, reference may be made to the foregoing embodiments, and the following embodiments are not repeated.

FIG. 7 is a cross-sectional view of a touch panel in accordance with still another embodiment of the present invention. The embodiment of FIG. 7 is similar to the embodiment of FIG. 5 , and the difference between the two is mainly that the touch panel 500 of FIG. 7 further includes a plurality of second connecting lines 510 disposed on the first insulating layer 440 . Between the substrate 410 and the first static electricity protection line 430 and the second connection line 510 have the same material, such as a metal or a transparent conductive material.

Certainly, when there are different layers of the first ESD protection line and the second ESD protection line, the first ESD protection line and the second ESD protection line may be respectively selected to be fabricated simultaneously with the first connection line or the second connection line. For the embodiment shown in FIG. 7 , the first ESD protection line 430 can be made of the same metal layer as the second connection line 510 , and the second ESD protection line 460 can be made of the same metal layer as the first connection line 450 . . In addition, in other embodiments, the first static protection circuit and the second static protection circuit may also be selected in an additional process. In addition, in the embodiment, the touch sensing pattern 422 is a single layer film layer, wherein the touch sensing pattern 422 can be simultaneously fabricated with the first static electricity protection circuit 430 and the second connection line 510. Or at the same time as the second static electricity protection line 460 and the first connection line 450.

It should be noted that, in this embodiment, the touch panel 500 includes the first connection line 450 and the second connection line 510 as an example, but the touch panel 500 may only include the first connection line 450 or only A second connection line 510 is included. In other words, the connecting wires can be located in any of the different film layers or the same film layer.

FIG. 8A is a cross-sectional view of a touch panel according to still another embodiment of the present invention, wherein FIG. 8A is a cross-sectional view taken along line AA' of FIG. 5. As shown in FIG. 8A, there is no electrical connection between the first static protection circuit 430 and the second static protection circuit 460. FIG. 8B is a cross-sectional view of a touch panel according to still another embodiment of the present invention, wherein FIG. 8B is a cross-sectional view taken along line AA' of FIG. 5. The embodiment of FIG. 8B is similar to the embodiment of FIG. 8A , and the difference between the two is mainly that the touch panel 600B of FIG. 8B further includes a contact window 612 located in the first insulating layer 610 and coupled to the first static protection circuit. 430 and a second electrostatic protection circuit 620. As shown in FIG. 8B, the contact window 612 exposes a portion of the first ESD protection line 430, and a portion of the second ESD protection line 620 is coupled to the contact window 612 to be coupled to the first ESD protection line 430. The effect of protection.

FIG. 8C is a cross-sectional view of a touch panel according to still another embodiment of the present invention, wherein FIG. 8C is a cross-sectional view taken along line AA' of FIG. 5. The embodiment of FIG. 8C is similar to the embodiment of FIG. 8B. The difference between the two is mainly: the touch panel 600C of FIG. 8C includes a plurality of contact windows 612C located in the first insulating layer 610C. In other words, the invention does not limit the number of contact windows.

FIG. 9 is a partial top plan view of a touch panel according to still another embodiment of the present invention. The embodiment of FIG. 9 is similar to the embodiment of FIG. 5, the difference between the two being primarily that the first ESD line 730 and the second ESD line 760 do not overlap. In addition, the second static electricity protection line 760 is located between the first static electricity protection line 730 and the first connection line 450. FIG. 10 is a partial top plan view of a touch panel according to still another embodiment of the present invention. The embodiment of FIG. 10 is similar to the embodiment of FIG. 5, and the difference between the two is mainly that the first ESD line 830 and the second ESD line 860 do not overlap. In addition, the first ESD line 830 is located between the second ESD protection line 860 and the first connection line 450. FIG. 11 is a partial top plan view of a touch panel according to still another embodiment of the present invention. The embodiment of FIG. 11 is similar to the embodiment of FIG. 5, and the difference between the two is mainly that the front projection and the second static electricity protection of the first static electricity protection circuit 930 on the substrate. The orthographic projection of line 960 on the substrate is partially overlapping. In other words, the relative position between the first ESD protection line, the second ESD protection line and the first connection line can be arbitrarily adjusted, and the orthographic projection of the first ESD protection line on the substrate and the positive of the second ESD protection line on the substrate Projections may not overlap, partially overlap, or completely overlap.

In summary, the first connecting line of the touch panel of the present invention is disposed on the first insulating layer of the peripheral region, and the first static protective line is disposed in the first insulating layer of the peripheral region, wherein the first insulating layer can be It is a light shielding layer. By arranging the first ESD protection line on the light shielding layer, the frame size of the touch panel can be effectively reduced. In addition, the material of the first static electricity protection circuit may be metal, so the light shielding effect of the light shielding layer may be increased.

On the other hand, the touch panel can adopt the design of two layers of electrostatic protection lines, wherein the first insulation layer is located between the first static protection line and the second static protection line. With the design of two layers of ESD protection lines, the width of each ESD protection line can be reduced while maintaining the ESD protection function of the touch panel, so as to effectively reduce the size of the touch panel. In addition, the orthographic projection of the first ESD protection line on the substrate and the orthographic projection of the second ESD protection circuit on the substrate may partially or completely overlap, and the frame size of the touch panel may be further reduced.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

100‧‧‧ touch panel

110‧‧‧Substrate

110a‧‧‧active area

110b‧‧‧ surrounding area

120‧‧‧Touch Sensing Array

122‧‧‧Touch sensing pattern

130‧‧‧First static protection circuit

140‧‧‧First insulation

150‧‧‧First cable

160‧‧‧Second insulation

Claims (20)

A touch panel includes: a substrate having an active area and a peripheral area surrounding the active area; a touch sensing array disposed on the substrate and located in the active area; a first static protection line, Arranging on the substrate and located in the peripheral region; a first insulating layer disposed on the substrate and located in the peripheral region, the first insulating layer covering the first static protection circuit; and a plurality of first The connection line is disposed on the first insulation layer and coupled to the touch sensing array. The touch panel of claim 1, wherein the first static protection line surrounds at least one side of the substrate. The touch panel of claim 1, wherein the first static protection circuit comprises a closed pattern surrounding all sides of the substrate. The touch panel of claim 1, further comprising: a plurality of first pads disposed on the first insulating layer and adjacent to a side of the substrate, the first pads respectively connecting the touch pads a first connecting line; and at least one second pad disposed on the first insulating layer and adjacent to the side of the substrate, the at least one second pad being coupled downward via a corresponding contact window in the first insulating layer Connected to the first static protection circuit. The touch panel of claim 1, wherein the first insulating layer is a light shielding layer. The touch panel of claim 1, further comprising: a second insulating layer covering the first insulating layer and the first connecting lines; and a plurality of second connecting lines on the second insulating layer and coupled to the touch sensing arrays respectively. The touch panel of claim 1, further comprising a second insulating layer disposed between the first insulating layer and the substrate, the first static protection line being located at the first insulating layer and the first Between the two insulation layers. The touch panel of claim 7, wherein the second insulating layer is a light shielding layer. The touch panel of claim 1, further comprising a second static protection circuit disposed on the first insulating layer. The touch panel of claim 9, wherein the second static protection circuit has the same material as the first connecting lines. The touch panel of claim 9, further comprising a plurality of second connecting lines disposed between the first insulating layer and the substrate, and the first static protection circuit and the second connecting lines Has the same material. The touch panel of claim 9, wherein the second static protection circuit is made of metal or a transparent conductive material. The touch panel of claim 9, wherein the orthographic projection of the first ESD protection line on the substrate at least partially overlaps an orthographic projection of the second ESD protection line on the substrate. The touch panel of claim 9 further includes a contact The window is located in the first insulating layer and coupled to the first static electricity protection circuit and the second static electricity protection circuit. The touch panel of claim 1, wherein the first static protection circuit is made of metal or a transparent conductive material. A touch panel includes: a substrate having an active area and a peripheral area surrounding the active area; a touch sensing array disposed on the substrate and located in the active area; a light shielding layer disposed in the And a plurality of first connecting lines disposed on the light shielding layer and coupled to the touch sensing arrays respectively. The touch panel of claim 1, further comprising: an insulating layer covering the light shielding layer and the first connecting lines; and a plurality of second connecting lines on the insulating layer and respectively coupled Connect the touch sensing array. A touch panel includes: a substrate having an active area and a peripheral area surrounding the active area; a touch sensing array disposed on the substrate and located in the active area; a first static protection line, Disposed on the substrate and located in the peripheral region; an insulating layer disposed on the substrate and located in the peripheral region, the insulating layer covering the first static protection circuit; and a second static protection circuit disposed on On the insulating layer; A plurality of connecting lines are disposed in the peripheral area, and are respectively coupled to the touch sensing array. The touch panel of claim 18, wherein the orthographic projection of the first ESD protection line on the substrate at least partially overlaps an orthographic projection of the second ESD protection line on the substrate. The touch panel of claim 18, further comprising a contact window located in the insulating layer and coupled to the first static protection circuit and the second static protection circuit.