TWI629624B - Panel having electrostatic protection structure - Google Patents

Abstract

The invention provides a panel with an electrostatic protection structure, which includes a substrate having an active area and a peripheral area. An electrostatic protection ring is arranged in the peripheral area and surrounds the active area. The electrostatic protection element is arranged in the peripheral area and electrically connected to the electrostatic protection ring. The ESD protection element includes a first conductive layer disposed on the substrate and electrically connected to the ESD protection ring. The second conductive layer is disposed on the first conductive layer, and the second conductive layer includes first, second, and third portions separated from each other. A first portion of the second conductive layer is electrically connected to the first conductive layer. The second portion of the second conductive layer is electrically connected to the first conductive layer and connected to the bonding pad. The third portion of the second conductive layer is located in the middle of the first and second portions and is connected to the ground via a connection line. The insulating layer is disposed between the third portion of the second conductive layer and the first conductive layer.

Description

Panel with electrostatic protection structure

The invention relates to a panel device, in particular to a panel with an electrostatic protection structure.

In the current life, the touch display device greatly changes people's living habits. For example, touch display devices are widely infiltrated by people from all walks of life, which can improve the convenience of life and provide intelligent services. Generally speaking, when designing an electronic device, a researcher will try to increase the area of the touch display panel as much as possible without changing the total area of the product, and try to reduce the area of the frame. However, as the touch display area increases, the touch display circuit gets closer to the outer edge of the product.

Generally speaking, a touch display panel is provided with an electrostatic protection ring and grounded to avoid electrostatic charges from the side to attack the signal traces. However, even if an electrostatic protection ring is provided to conduct the electrostatic charge to the ground circuit, it may still Generates static sparks. When the sparks flow to the touch display signal circuit, the product will be abnormal. This phenomenon is even more affected by the current mainstream narrow frame models. In other words, the conventional panel device has a poor electrostatic tolerance and cannot effectively solve the electrostatic charge attack.

In view of the foregoing problems of the prior art, the present invention proposes a panel device with a new electrostatic protection structure.

A preferred embodiment of the present invention provides a panel with an electrostatic protection structure, which includes a substrate, an electrostatic protection ring, and an electrostatic protection element. The substrate has an active area and a peripheral area, the peripheral area is adjacent to the active area; an electrostatic protection ring is disposed in the peripheral area and surrounds the active area; and at least one electrostatic protection element is disposed in the peripheral area and is electrically connected to the electrostatic protection ring. The electrostatic protection element includes a first conductive layer, a first Two conductive layers and an insulating layer. The first conductive layer is disposed on the substrate and is electrically connected to the electrostatic protection ring. The second conductive layer is disposed on the first conductive layer. The second conductive layer includes a first portion, a second portion, and a first portion. Three parts and separated from each other, wherein the first part of the second conductive layer is electrically connected to the first conductive layer, the second part of the second conductive layer is electrically connected to the first conductive layer and connected to the bonding pad, And the third part of the second conductive layer is located between the first part and the second part and is connected to the ground via a connection line. An insulating layer is disposed between the third portion of the second conductive layer and the first conductive layer.

The panel of the electrostatic protection structure of the present invention can provide one or more discharge pipes for static electricity through the design of the electrostatic protection element to achieve the function of protecting the panel from static electricity.

1‧‧‧ Panel

10‧‧‧ substrate

12‧‧‧active zone

14‧‧‧Peripheral area

16‧‧‧Static protection ring

18‧‧‧ESD protection element

20‧‧‧ the first conductive layer

22‧‧‧first electrode

24‧‧‧Second electrode

25‧‧‧ the first slit

26‧‧‧Third electrode

30‧‧‧Second conductive layer

32‧‧‧ Part I

34‧‧‧ Part Two

36‧‧‧ Part III

35‧‧‧Second Slit

362‧‧‧first electrode

364‧‧‧Second electrode

366‧‧‧ District 1

368‧‧‧Second District

40‧‧‧ Insulation

50‧‧‧ third conductive layer

60‧‧‧Joint pad

62‧‧‧connecting line

64‧‧‧ route

70‧‧‧ Opposite substrate

80‧‧‧Display media

85‧‧‧Polarizer

90‧‧‧ touch sensing layer

92‧‧‧The first touch sensing electrode series

94‧‧‧Second touch sensing electrode series

922‧‧‧The first induction pad

924‧‧‧Second sensor pad

926‧‧‧First bridge electrode

942‧‧‧Third sensor pad

944‧‧‧Fourth induction pad

946‧‧‧Second bridge electrode

A1‧‧‧first area

A2‧‧‧Second Area

D1‧‧‧ first direction

W‧‧‧Width

X‧‧‧ ratio

FIG. 1 is a schematic top view of a panel according to a first preferred embodiment of the present invention.

Figure 2 (a) shows a partially enlarged top view of the electrostatic protection element of Figure 1.

Figure 2 (b) is a schematic cross-sectional view taken along line 2 (a) of Figures 2B-2B '.

Figure 3 (a) shows a partially enlarged top view of the electrostatic protection element of the second preferred embodiment of the present invention.

Figure 3 (b) is a schematic cross-sectional view taken along line 3 (a) of Figures 3B-3B '.

Figure 3 (c) is a schematic cross-sectional view taken along line 3 (a) of Figures 3C-3C '

Figure 4 (a) shows a partially enlarged top view of the electrostatic protection element of the third preferred embodiment of the present invention.

Figure 4 (b) is a schematic cross-sectional view taken along line 4 (a) of Figures 4B-4B '.

Figure 5 (a) shows a partially enlarged top view of the electrostatic protection element of the fourth preferred embodiment of the present invention.

Figure 5 (b) is a schematic cross-sectional view taken along line 5 (a) of Figures 5B-5B '.

Figure 6 (a) shows a partially enlarged top view of the electrostatic protection element of the fifth preferred embodiment of the present invention.

Fig. 6 (b) is a schematic cross-sectional view taken along line 6 (a) of Figs. 6B-6B '.

Figure 7 (a) shows a partially enlarged top view of the electrostatic protection element of the sixth preferred embodiment of the present invention.

Fig. 7 (b) is a schematic cross-sectional view taken along line 7 (a) of Figs. 7B-7B '.

Figure 8 (a) shows a partially enlarged top view of the active area A in the first preferred embodiment of the present invention.

Fig. 8 (b) is a schematic cross-sectional view taken along line 8 (a) of Figs. 8B-8B '.

Figure 9 (a) shows a partially enlarged top view of another embodiment of the first preferred embodiment of the present invention in the active area area A.

Fig. 9 (b) is a schematic cross-sectional view taken along line 9 (a) of Figs. 9B-9B '.

FIG. 10 (a) is a schematic cross-sectional view of a panel device according to an embodiment.

FIG. 10 (b) is a schematic top view of a panel device according to an embodiment.

In order to make a person skilled in the art who is familiar with the technical field of the present invention further understand the present invention, the preferred embodiments of the present invention are enumerated below, and in conjunction with the accompanying drawings, the constitutional content of the present invention and the effects to be achieved are described in detail. .

Several embodiments of the present invention will be disclosed in the following drawings. For the sake of clear description, many practical details will be described in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, in order to simplify the drawings, some conventional structures and elements will be shown in the drawings in a simple and schematic manner.

In this article, the term "electrical connection" includes any direct and indirect means of electrical connection. For example, if the first device is described as being electrically connected to a second device, it means that the first device can be directly connected to the second device, or indirectly connected to the second device through other devices or connection means. . In addition, if you describe the transmission and supply of telecommunications signals, those skilled in this art should be able to understand that the transmission process of telecommunications signals may be accompanied by attenuation or other non-ideal changes. Stated that they should be considered essentially the same signal.

Please refer to Figure 1 and Figure 2. Figures 1 and 2 are schematic diagrams of the panel of the first preferred embodiment of the present invention, wherein Figure 1 is a schematic top view of the panel of this embodiment, and Figure 2 (a) is a schematic view of the panel. A partially enlarged top view of the electrostatic protection element of the embodiment. FIG. 2 (b) is a schematic cross-sectional view taken along line 2 (a) of FIG. 2B-2B ′. In order to highlight the features of the panel of the present invention, some components are not shown in the drawings. As shown in FIGS. 1 and 2, the panel 1 of this embodiment includes a substrate 10, an electrostatic protection ring 16, and an electrostatic protection element 18. The substrate 10 has an active region 12 and a peripheral region 14, and the peripheral region 14 is in phase with the active region 12. Next, the electrostatic protection ring 16 is disposed in the peripheral area 14 and surrounds the active area 12. At least one electrostatic protection element 18 is disposed in the peripheral area 14 and is electrically connected to the electrostatic protection ring 16. The substrate 10 may be a transparent substrate, and it may be a rigid substrate or a flexible substrate such as a glass substrate, a quartz substrate, or a plastic substrate, but is not limited thereto. In this embodiment, the electrostatic protection ring 16 surrounds the active area 12 of the entire panel, but it is not limited to this. The active area 12 of the panel can also be partially surrounded according to requirements, for example, only one side and two sides of the active area of the panel are surrounded. Or three sides. The material of the ESD protection ring 16 may include metals such as aluminum, platinum, silver, titanium, molybdenum, zinc, tin, or alloys thereof, but Not limited to this. The active area 12 of this embodiment provides a touch sensing function. The detailed structure is described later. However, the active area 12 of the present invention is not limited to only providing touch sensing functions, but can also be a design that provides a display function, or has both Display and touch functions. In addition, the peripheral area 14 of the panel of this embodiment may further include a plurality of traces 64. One end of the trace 64 is connected to the active area 12 and one end is connected to the bonding pad 60 to provide an appropriate signal to the active area 12. The general materials of the traces 64 and the bonding pads 60 may be the same as those of the ESD protection ring 16, which will not be repeated here.

Please refer to FIG. 2 (a) and FIG. 2 (b). The ESD protection element 18 includes a first conductive layer 20 disposed on the substrate 10 and electrically connected to the ESD protection ring 16. Herein, the electrical connection may include a direct or indirect connection, that is, it may be a direct contact, an electrical connection, or an indirect connection through another connection structure to make it electrically conductive. The second conductive layer 30 is disposed on the first conductive layer 20. The second conductive layer 30 includes a first portion 32, a second portion 34, and a third portion 36 and is separated from each other. The first portion of the second conductive layer 30 The component 32 is electrically connected to the first conductive layer 20, and the second portion 34 of the second conductive layer 30 is electrically connected to the first conductive layer 20 and is connected to the bonding pad 60. The bonding pad 60 is located in the peripheral area 14, and After the control circuit board (not shown) is connected, the signal required by the panel is provided. The third portion 36 of the second conductive layer 30 is located between the first portion 32 and the second portion 34 and is grounded through the connection line 62. The connection wire 62 can be grounded, for example, to another bonding pad 60, which is connected to the control circuit board and grounded. In addition, the insulating layer 40 is disposed between the third portion 36 of the second conductive layer 30 and the first conductive layer 20, so that the third portion 36 of the second conductive layer 30 and the first conductive layer 20 are insulated. During an attack, a high electric field can be formed here. The first conductive layer 20 or the second conductive layer 30 of the third part will undergo qualitative changes and break, providing a pipe for discharging static electricity to achieve electrostatic protection. The first conductive layer 20 or the second conductive layer 30 may have a single-layer or multi-layer structure, and the material includes a transparent conductive material such as indium tin oxide (ITO), indium zinc oxide (IZO), zinc aluminum oxide, indium aluminum oxide, indium oxide ( InO), gallium oxide (GaO), organic transparent conductive materials, or other suitable transparent conductive materials, but not limited thereto. The insulating layers 40 may be single-layer or multi-layer structures, and their materials may include inorganic insulating materials (such as silicon oxide, silicon nitride, silicon oxynitride, or other suitable insulating materials), organic insulating materials (such as colorless / Colored photoresist, polyimide, polyester, benzocyclobutene (BCB), polymethylmethacrylate (PMMA), poly (4-vinylphenol, PVP), polymer Polyvinyl alcohol (PVA), polytetrafluoroethene (PTFE), or other suitable organic insulating materials), or other suitable insulating materials are not limited thereto. In one embodiment, when the material of the first conductive layer 20 is indium tin oxide (ITO), and the thickness is less than 1500 angstroms (Å), the effect is better, and the thinner the thickness, the larger the electric field that can be formed. Easily qualitative change, the better the effect, for example: the effect is better when the thickness is less than 550 angstroms (Å). In another embodiment, when the material of the second conductive layer 30 is indium tin oxide (ITO) and the thickness is less than 1500 angstroms (Å), the effect is better, and the thinner the thickness, the larger the electric field that can be formed. The qualitative change is more likely to occur, the better the effect, for example: the effect is better when the thickness is less than 550 Angstroms (Å). With the design of the above-mentioned electrostatic protection element, a static discharge pipe can be provided to achieve the function of protecting the panel from static electricity. In one embodiment, the first conductive layer 20 may be disposed together with the traces 64 and the ESD protection ring 16 in the peripheral region 14, so that the manufacturing process is simpler.

The panel structure of the present invention is not limited to the above embodiments. The following will introduce the panel structure of other preferred embodiments of the present invention in order, and in order to facilitate comparison of the differences between the embodiments and simplify Note that in the following embodiments, the same symbols are used to mark the same elements, and the differences between the embodiments will be mainly described, and the repeated parts will not be described repeatedly.

Please refer to Figure 3. Figure 3 (a) shows a partially enlarged top view of the electrostatic protection element of the second preferred embodiment of the present invention. Figure 3 (b) is a schematic cross-sectional view taken along line 3 (a) of Figures 3B-3B '. Figure 3 (c) is a schematic cross-sectional view taken along line 3 (a) of Figures 3C-3C '. As shown in FIG. 3, the difference from the previous embodiment is that the area where the first conductive layer 20 and the insulating layer 40 of the electrostatic protection element 18 overlap in this embodiment is the first area A1, and the second conductive layer 30 The overlapping area of the third portion 36 and the insulating layer 40 is the second area A2, and the overlapping area A2 of the third portion 36 of the second conductive layer 30 and the insulating layer 40 is smaller than the first conductive layer 20 and the insulation The overlapping first area A1 of the layer 40. If the first area A1 is the same as that of the previous embodiment, since the line width of the third portion 36 of this embodiment is smaller than that of the previous embodiment, the third portion 36 of the second conductive layer 30 and the first conductive layer 20 The overlapping area is reduced, and the electric field formed by the third portion 36 of the second conductive layer 30 and the first conductive layer 20 is larger than that of the above embodiment, which may be more susceptible to qualitative changes and disconnection, and provide a pipe for discharging static electricity to achieve electrostatic protection The role. In addition, due to process limitations, the ratio X of the second area A2 to the first area A1 is preferably 10% ≦ X ≦ 90%, more preferably 10% ≦ X ≦ 60%, and more preferably 10% ≦ X. ≦ 30%. In addition, in this embodiment, the first conductive layer 20 and the first portion 32, the second portion 34, and the third portion 36 of the second conductive layer are all straight, but the present invention is not limited to this, and may also be used. Other shapes such as wavy or jagged. It should be noted that, in other embodiments, the second area A2 where the third portion 36 of the second conductive layer 30 and the insulating layer 40 overlap is larger than the first area where the first conductive layer 20 and the insulating layer 40 overlap. A1. If the second area A2 is the same as the previous embodiment, the line width of the first conductive layer 20 overlapping the third portion 36 in this embodiment is smaller than that in the previous embodiment, so that the third portion of the second conductive layer 30 The area of overlap between 36 and the first conductive layer 20 is reduced, and the electric field formed by the third portion 36 of the second conductive layer 30 and the first conductive layer 20 may be larger than the above embodiment, and may be more susceptible to qualitative changes and disconnection. Provides a pipe for discharging static electricity to achieve the role of electrostatic protection.

Refer to Figure 4. Figure 4 (a) shows a partially enlarged top view of the electrostatic protection element of the third preferred embodiment of the present invention. Fig. 4 (b) is a schematic cross-sectional view taken along line 4 (a) of Fig. 4B-4B ' Illustration. As shown in FIG. 4, in this embodiment, the third conductive layer 50 is between the first portion 32 or the second portion 34 of the second conductive layer 30 of the electrostatic protection element 18 and the first conductive layer 20. It is used to reduce the resistance value connected to the electrostatic protection ring 16 or the bonding pad 60. The third conductive layer 50 may generally be a metal, wherein the metal may include aluminum, platinum, silver, titanium, molybdenum, zinc, tin, chromium (chromium) or an alloy thereof, but not limited thereto. In one embodiment, the third conductive layer 50 can be disposed together with the traces 64 and the ESD protection ring 16 in the peripheral region 14, so that the manufacturing process is simpler.

Refer to Figure 5. Figure 5 (a) shows a partially enlarged top view of the electrostatic protection element of the fourth preferred embodiment of the present invention. Figure 5 (b) is a schematic cross-sectional view taken along line 5 (a) of Figures 5B-5B '. As shown in FIG. 5, in this embodiment, the first conductive layer 20 in the electrostatic protection element 18 is at a third portion 36 corresponding to the second conductive layer 30 and has at least one first slit 25. The first portion 32 of the conductive layer 30 toward the second portion 34 is a first direction D1, and the extending direction of the first slit 25 is parallel to the first direction D1. In this embodiment, the first conductive layer 20 has two first slits 25, that is, the first conductive layer 20 located between the first portion 32 and the second portion 34 can be divided into three strip electrodes, respectively The first electrode 22, the second electrode 24, and the third electrode 26. If the width W of the first conductive layer 20 in the vertical first direction D1 is the same as the foregoing embodiment, the third portion 36 of the second conductive layer 30 and the first conductive layer 20 overlap with each other due to the first slit 25. The area is reduced, so the electric field formed by the third portion 36 of the second conductive layer 30 and the first electrode 22 or the second electrode 24 or the third electrode 26 of the first conductive layer 20 can be larger, and it is easier to undergo qualitative changes and open circuits. Provides a static discharge pipe, and each electrode forms a discharge pipe, so there can be multiple static discharge pipes to achieve the effect of electrostatic protection. In this embodiment, the shape of the first slit is a straight strip, but the present invention is not limited thereto, and other shapes such as a wave shape or a zigzag shape may also be adopted. In addition, the third portion 36 of the second conductive layer 30 of the present invention may cover the insulating layer 40 in the first direction D1 as shown in the foregoing embodiment, but is not limited thereto, and may also be the first portion as shown in this embodiment. The third portion 36 of the two conductive layers 30 does not completely cover the insulating layer 40 in the first direction D1.

Refer to Figure 6. Figure 6 (a) shows a partially enlarged top view of the electrostatic protection element of the fifth preferred embodiment of the present invention. Fig. 6 (b) is a schematic cross-sectional view taken along line 6 (a) of Fig. 6B-6B ' Illustration. As shown in FIG. 6, in this embodiment, the third portion 36 of the second conductive layer 30 of the electrostatic protection element 18 has at least one second slit 35, wherein the first portion 32 of the second conductive layer 30 faces the second The portion 34 is the first direction D1, and the extending direction of the second slit 35 is parallel to the first direction D1. In this embodiment, the third portion 36 of the second conductive layer 30 has a second slit 35. Therefore, the electric field formed by the third portion 36 of the second conductive layer 30 and the first conductive layer 20 can be large. It is more prone to qualitative changes and disconnection, and provides a pipe for discharging static electricity to achieve the role of electrostatic protection. In this embodiment, the shape of the second slit is a straight strip, but the present invention is not limited thereto, and other shapes such as a wave shape or a zigzag shape may also be adopted.

Refer to Figure 7. Figure 7 (a) shows a partially enlarged top view of the electrostatic protection element of the sixth preferred embodiment of the present invention. Fig. 7 (b) is a schematic cross-sectional view taken along line 7 (a) of Figs. 7B-7B '. As shown in FIG. 7, the third portion 36 of the second conductive layer 30 of the electrostatic protection element 18 in this embodiment is further divided into a plurality of regions. The third portion of the second conductive layer 30 in this embodiment Each area of 36 has a second slit 35, the function of which is as described in the previous embodiment, and is not repeated here. As shown in the figure, in this embodiment, the third portion 36 is divided into a first region 366 and a second region 368, and the first region 366 and the second region 368 are separated from each other. However, it is not limited to this, and it can be divided into more areas according to requirements. By this design, more static discharge pipes can be provided to achieve better static protection.

Refer to Figure 8. FIG. 8 (a) illustrates a partially enlarged top view of the first preferred embodiment of the present invention in the area A in the active area 12. Fig. 8 (b) is a schematic cross-sectional view taken along line 8 (a) of Figs. 8B-8B '. Please refer to FIG. 1, FIG. 2 and FIG. 8 at the same time. As shown in the figure, the active area 12 of the panel 1 provides a touch sensing function, which includes a first touch sensing electrode string 92 and a second touch sensing The electrode series 94 are disposed on the substrate 10, and the first touch sensing electrode series 92 and the second touch sensing electrode series 94 are staggered. The first touch sensing electrode series 92 includes a first sensing pad 922, a second sensing pad 924, and a first bridge electrode 926. The first sensing pad 922 and the second sensing pad 924 of the first touch sensing electrode series 92 are the same. Layers, and are electrically connected via the first bridge electrodes 926 of different layers. The second touch sensing electrode series 94 includes a third sensing pad 942, a fourth sensing pad 944, and a second bridge electrode 946. The third sensing pad 942 and the fourth sensing pad 944 of the second touch sensing electrode series 94 are the same. Layer, and is electrically connected via the second bridge electrode 946 in the same layer. Here, the same layer refers to the same conductive layer, and different layers refer to different conductive layers. Made of electrical layers. In this embodiment, the first bridge electrode 926 is the same layer as the first conductive layer 20 of the ESD protection element 18, and the first sensing pad 922, the second sensing pad 924, the third sensing pad 942, and the fourth sensing pad 944 The second bridge electrode 946 and the second conductive layer 30 are in the same layer. With this setting, the touch sensing function element and the ESD protection element 18 can be set at the same time, thereby simplifying the manufacturing process.

Refer to Figure 9. FIG. 9 (a) shows a partially enlarged top view of a first preferred embodiment of the present invention in a variation of one of the areas A in the active area 12. FIG. Fig. 9 (b) is a schematic cross-sectional view taken along line 9 (a) of Figs. 9B-9B '. Please refer to FIG. 1, FIG. 2 and FIG. 9 at the same time. The difference from the above embodiment is that in this embodiment, the first sensing pad 922 and the second sensing pad 924 of the first touch sensing electrode string 92 are the same. Layers, and are electrically connected via the first bridge electrodes 926 of different layers. The second touch sensing electrode series 94 includes a third sensing pad 942, a fourth sensing pad 944, and a second bridge electrode 946. The third sensing pad 942 and the fourth sensing pad 944 of the second touch sensing electrode series 94 are the same. Layer, and is electrically connected via the second bridge electrode 946 in the same layer. Here, the same layer refers to the same conductive layer, and different layers refer to the different conductive layers. In this embodiment, the first sensing pad 922, the second sensing pad 924, the third sensing pad 942, the fourth sensing pad 944, and the second bridge electrode 946 are further on the same layer as the first conductive layer 20 of the electrostatic protection element 18. The first bridge electrode 926 and the second conductive layer 30 are in the same layer. With this setting, the touch sensing function element and the ESD protection element 18 can be set at the same time, thereby simplifying the manufacturing process.

Please refer to Figure 10. FIG. 10 (a) is a schematic cross-sectional view of a touch display panel according to an embodiment of the present invention, and FIG. 10 (b) is a schematic top view diagram of a touch display panel according to an embodiment of the present invention. Please refer to FIG. 1 and FIG. 10 at the same time. As shown in the figure, the touch display panel of this embodiment includes a substrate 10, an opposite substrate 70, a display medium 80, a touch sensing layer 90, and a polarizer 85. The substrate 10 and the opposing substrate 70 are disposed opposite each other. The display medium 80 may include, for example, a liquid crystal layer and an organic light emitting layer, but is not limited thereto, and may be another type of display medium. The touch sensing layer 90 is disposed on the substrate 10. In one embodiment, the touch sensing layer 90 may be disposed directly on the substrate 10, but is not limited thereto. For example, it may be disposed on another substrate first. It is disposed above the substrate 10. In this embodiment, a polarizer 85 is provided on the active area 12 to cover the active area 12 of the panel, but the polarizer 85 does not cover the electrostatic protection element 18, and the polarizer 85 may cover only the active area 12 or part of the peripheral area at the same time. 14, but the polarizer 85 does not cover the static The electric protection element 18 can achieve an electrostatic protection function through the electrostatic protection element 18 during an electrostatic attack.

In summary, the panel of the electrostatic protection structure of the present invention can provide one or more vent pipes for static electricity through the design of the electrostatic protection element, thereby achieving the function of protecting the panel from static electricity.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the scope of patent application of the present invention shall fall within the scope of the present invention.

Claims (13)

A panel with an electrostatic protection structure includes: a substrate having an active region and a peripheral region, the peripheral region being adjacent to the active region; an electrostatic protection ring disposed in the peripheral region and surrounding the active region; And at least one electrostatic protection element is disposed in the peripheral area and is electrically connected to the electrostatic protection ring, the electrostatic protection element includes: a first conductive layer disposed on the substrate and electrically connected to the electrostatic protection ring; A second conductive layer is disposed on the first conductive layer. The second conductive layer includes a first portion, a second portion, and a third portion, and is separated from each other. The first conductive layer includes the first conductive layer. A portion is electrically connected to the first conductive layer, the second portion of the second conductive layer is electrically connected to the first conductive layer and connected to a bonding pad, and the third portion of the second conductive layer The position is between the first part and the second part and is grounded via a connection line; and an insulating layer is provided between the third part of the second conductive layer and the first conductive layer, and the second The third part of the conductive layer and the insulation The area of the overlapping layers is smaller than the area of the overlap of the first conductive layer of the insulating layer. According to the panel with an electrostatic protection structure described in item 1 of the scope of the patent application, there is a third conductive layer between the first portion or the second portion of the second conductive layer and the first conductive layer. According to the panel with an electrostatic protection structure described in item 1 of the scope of the patent application, the material of the second conductive layer is indium tin oxide. According to the panel with an electrostatic protection structure described in item 1 of the scope of patent application, the thickness of the first conductive layer is less than 1500 Angstroms (Å). The panel with an electrostatic protection structure according to item 1 of the scope of the patent application, wherein the first conductive layer has at least one first slit at the third portion corresponding to the second conductive layer. The panel with an electrostatic protection structure according to item 5 of the scope of the patent application, wherein the first portion of the second conductive layer is in a first direction toward the second portion, and the extending directions of the at least one first slit are parallel In the first direction. The panel with an electrostatic protection structure according to item 1 of the scope of the patent application, wherein the third portion of the second conductive layer has at least one second slit. The panel with an electrostatic protection structure as described in item 1 of the scope of the patent application, wherein the third portion of the second conductive layer is further divided into a plurality of regions and separated from each other. According to the panel with an electrostatic protection structure described in item 1 of the scope of patent application, the active area includes a first touch sensing electrode string and a second touch sensing electrode string, and the first touch sensing electrode string And the second touch sensing electrode series are staggered, the first touch sensing electrode series includes a first sensing pad, a second sensing pad and a first bridge electrode, the first sensing pad and the second The sensing pads are on the same layer and are electrically connected through the first bridge electrode in different layers, and the first bridge electrode and the first conductive layer are on the same layer, and the first sensing pad, the second sensing pad, and the second conductive layer are electrically connected. The same layer. The panel with an electrostatic protection structure according to item 9 of the scope of the patent application, wherein the second touch sensing electrode series includes a third sensing pad, a fourth sensing pad and a second bridge electrode, and the third The sensing pad, the fourth sensing pad and the second bridge electrode are on the same layer. According to the panel with an electrostatic protection structure described in item 1 of the scope of patent application, the active area includes a first touch sensing electrode string and a second touch sensing electrode string, and the first touch sensing electrode string And the second touch sensing electrode series are staggered, the first touch sensing electrode series includes a first sensing pad, a second sensing pad and a first bridge electrode, the first sensing pad and the second The sensing pads are on the same layer and are electrically connected via the first bridge electrode in different layers, and the first and second sensing pads are on the same layer as the first conductive layer, and the first bridge electrode and the second conductive layer are electrically connected. The same layer. The panel with an electrostatic protection structure according to item 11 of the scope of the patent application, wherein the second touch sensing electrode series includes a third sensing pad, a fourth sensing pad and a second bridge electrode, and the third The sensing pad, the fourth sensing pad and the second bridge electrode are on the same layer. A panel with an electrostatic protection structure includes: a substrate having an active region and a peripheral region, the peripheral region being adjacent to the active region; an electrostatic protection ring disposed in the peripheral region and surrounding the active region; At least one electrostatic protection element is disposed in the peripheral region and is electrically connected to the electrostatic protection ring. The electrostatic protection element includes: a first conductive layer disposed on the substrate and electrically connected to the electrostatic protection ring; A second conductive layer is disposed on the first conductive layer, and the second conductive layer includes a first portion, a second portion, and a third portion, and is separated from each other, wherein the first portion of the second conductive layer Is electrically connected to the first conductive layer, the second portion of the second conductive layer is electrically connected to the first conductive layer and connected to a bonding pad, and the third portion of the second conductive layer Located between the first part and the second part and grounded via a connection line; and an insulating layer disposed between the third part of the second conductive layer and the first conductive layer; and a polarizer , And the polarizer does not cover the static Protective element.