TW201506722A - Touch panel and repair method thereof - Google Patents

Abstract

A touch panel includes a substrate, a touch element layer, a plurality of first signal lines, a plurality of second signal lines and at least one first repair line. The touch element layer includes a plurality of first touch series and a plurality of second touch series intersected with the first touch series. Each first signal line of the first signal lines is electrically connected to one of the first touch series. Each second signal line of the second signal lines is electrically connected to one of the second touch series. The first repair line is electrically connected to a shielding signal source and is disposed between the first signal lines and the second signal lines. The first repair line is overlapped with two ends of any one of the at least one first signal line.

Description

Touch panel and repair method thereof

The present invention relates to a touch panel and a repair method thereof, and more particularly to a touch panel having a repair line and a repair method thereof.

In recent years, with the rapid development and application of information technology, wireless mobile communication and information appliances, many electronic information products, such as mobile phones, are used for the purpose of being more convenient, lighter and more humanized. Handheld PC, Personal Digital Assistance (PDA) or Smart Phone, the input method has been changed from a traditional keyboard or mouse to a touch panel. (Touch Panel) as an input device. Due to the convenience and intuitive operation, the touch panel has become a very popular new type of human interface and multimedia interaction, and has received considerable attention and extensive development. Among them, the touch display panel is the most popular product.

The touch panel generally has a touch element layer disposed on the substrate, wherein the touch element layer includes a plurality of sensing strings and a plurality of driving strings. Sensing string has an extension A plurality of sensing signal lines to the peripheral area, and the driving series has a plurality of driving signal lines extending to the peripheral area. A shield line is usually provided between the sense signal line and the drive signal line to reduce signal interference between the sense signal line and the drive signal line.

The invention provides a touch panel, wherein the repairing line has a signal shielding function.

The invention provides a method for repairing a touch panel. When the signal line in the touch panel is broken, the repair line with signal shielding function can be used as an alternative line for the signal line.

The touch panel of the present invention includes a substrate, a touch element layer, a plurality of first signal lines, a plurality of second signal lines, and at least one first repair line. The substrate has an active area and a peripheral area adjacent to the active area. The touch component layer is disposed in the active area and includes a plurality of first touch strings and a plurality of second touch strings interlaced with the first touch string. The first signal line is disposed in the peripheral area, and each of the first signal lines is electrically connected to one of the first touch strings. The second signal line is disposed in the peripheral area, and each of the second signal lines is electrically connected to one of the second touch strings. The first repairing line is electrically connected to a shielding signal source, the first repairing line is disposed between the first signal line and the second signal line, and the two ends of the first repairing line and at least part of the first signal line overlapping.

In an embodiment of the invention, the first repair line overlaps both ends of any of the first signal lines.

In an embodiment of the invention, the first touch string is a drive train, The two touch strings are listed as sensing series.

In an embodiment of the invention, the first touch string is a sensing series, and the second touch string is a driving series.

In one embodiment of the present invention, one end of each first touch string is electrically connected to one of the first signal lines, and one end of each second touch string is electrically connected to one of the second signal lines. .

In an embodiment of the present invention, two ends of each of the first touch strings are electrically connected to one of the first signal lines, and two ends of each of the second touch strings are respectively associated with one of the second signals. Wire electrical connection.

In an embodiment of the invention, the first repair line encloses a first signal line that overlaps the first repair line.

In an embodiment of the invention, the touch panel further includes at least one second repairing line. The second repairing line is electrically connected to the shielding signal source, the second repairing line is disposed between the first signal line and the second signal line, and the second repairing line overlaps with the two ends of at least part of the second signal line .

In an embodiment of the invention, when at least part of the first signal line overlapping the first repair line is open and becomes a signal line, the first repair line is electrically insulated from the shield signal line, first The repairing line is electrically connected to both ends of the signal line.

The repair method of the touch panel of the present invention includes the following steps. First, the touch panel described above is provided, wherein one of at least a portion of the first signal lines overlapping the first repair line presents an open circuit and becomes a signal line. Then, make the first repair The fill wire is electrically insulated from the shielded signal line. Then, the first repairing line and the two ends of the signal line are electrically connected.

Based on the above, the repairing line of the touch panel of the present invention is disposed between the signal lines having different signals, so that the repairing line can provide a shielding effect for reducing signal interference. Furthermore, the repair line further surrounds part of the signal line and overlaps both ends of any of the enclosed signal lines. When the signal line is open, a patch can be made to replace the signal line with the repair line, thereby improving the product yield of the touch panel.

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

100a, 100b, 100c‧‧‧ touch panel

102‧‧‧Substrate

102a‧‧‧Active Area

102b‧‧‧ surrounding area

110‧‧‧Touch element layer

112‧‧‧First touch string

112a‧‧‧first electrode

112b‧‧‧First bridge wiring

114‧‧‧Second touch string

114a‧‧‧second electrode

114b‧‧‧Second bridge wiring

120‧‧‧First signal line

120s‧‧‧瑕疵讯线

122‧‧‧ first end

122a‧‧‧first mat

122b‧‧‧First connection

124‧‧‧ second end

124a‧‧‧second mat

124b‧‧‧Second connection

126‧‧‧Transmission line segment

130‧‧‧Second signal line

140‧‧‧First repair line

140a‧‧‧First Repair Department

140b‧‧‧Second Repair Department

140c‧‧‧Transmission Department

142‧‧‧First line segment

144‧‧‧second line

150‧‧‧Insulation

160‧‧‧Second repair line

170‧‧‧ third repair line

180‧‧‧ Fourth repair line

A-A’, B-B’‧‧‧ cut line

D1‧‧‧ first direction

D2‧‧‧ second direction

H1‧‧‧ first opening

H2‧‧‧ second opening

M1, M2‧‧‧ area

P1, P2, P3, P4‧‧‧ shielded signal source

S1‧‧‧ cutting procedure

S2‧‧‧ first conduction procedure

S3‧‧‧second conduction procedure

1 is a top plan view of a touch panel according to a first embodiment of the present invention.

2A is an enlarged schematic view of a region M1 of FIG. 1.

Fig. 2B is a schematic cross-sectional view taken along line A-A' of Fig. 2A.

FIG. 3A is an enlarged schematic view of a region M2 of FIG. 1.

Fig. 3B is a schematic cross-sectional view taken along line B-B' of Fig. 3A.

FIG. 4 illustrates a method of repairing a touch panel of the first embodiment.

FIG. 5A is an enlarged schematic view of a region M1 of FIG. 4.

Fig. 5B is a schematic cross-sectional view taken along line A-A' of Fig. 5A.

FIG. 6A is an enlarged schematic view of a region M2 of FIG. 4.

Fig. 6B is a schematic cross-sectional view taken along line B-B' of Fig. 6A.

FIG. 7 is a top plan view of a touch panel according to a second embodiment of the present invention.

FIG. 8 is a top plan view of a touch panel according to a third embodiment of the present invention.

1 is a top plan view of a touch panel according to a first embodiment of the present invention. please Referring to FIG. 1 , the touch panel 100 a includes a substrate 102 , a touch element layer 110 , a plurality of first signal lines 120 , a plurality of second signal lines 130 , and at least one first repair line 140 . The substrate 102 has an active region 102a and a peripheral region 102b, wherein the peripheral region 102b is adjacent to the active region 102a.

The touch element layer 110 is disposed in the active region 102a of the substrate 102. Touch The component layer 110 includes a plurality of first touch strings 112 and a plurality of second touch strings 114. The first touch string 112 and the second touch string 114 are staggered and electrically insulated from each other. For example, the first touch string 112 extends along a first direction D1 and includes a plurality of first electrodes 112a and a plurality of first bridges 112b, wherein the two adjacent first electrodes 112a are first The bridge wire 112b is electrically connected. The different first touch strings 112 are electrically insulated from each other. The second touch string 114 extends along a second direction D2 and includes a plurality of second electrodes 114a and a plurality of second bridges 114b, wherein the adjacent two second electrodes 114a are electrically connected by one of the second bridges 114b Sexual connection. The different second touch strings 114 are electrically insulated from each other. The material of the first electrode 112a and the second electrode 114b includes a transparent conductive material such as Indium Tin Oxide (ITO) or Indium Zinc Oxide (IZO). The patterns and design manners of the first touch string 112 and the second touch string 114 in the present embodiment are only For the purpose of illustration, the invention is not limited thereto.

The first signal line 120 is disposed in the peripheral area 102b, and each of the first signal lines 120 is electrically connected to one of the first touch strings 112. The second signal line 130 is disposed in the peripheral area 102b. Each of the second signal lines 130 is electrically connected to one of the second touch strings 114. In the embodiment, the first touch string 112 is a sensing series, and the first signal line 120 is, for example, a sensing signal line to transmit the sensing signal of the first touch string 112. The second touch string 114 is, for example, a drive train. The second signal line 120 is, for example, a drive signal line for transmitting a drive signal to the second touch string 114. However, the invention is not limited thereto. In other embodiments, the first touch string 112 can be a drive train, and the first signal line 120 is a drive signal line. The second touch string 114 can be a sensing series, and the second signal line 130 is a sensing signal line.

In this embodiment, the first signal line 120 and the second signal line 130 are located on different sides of the touch element layer 110. Since the signal transmitted by the first signal line 120 is different from the signal transmitted by the second signal line 130, signal interference may occur between the first signal line 120 and the second signal line 130. In this embodiment, the first repairing line 140 is electrically connected to a shielded signal source P1, and the shielded signal source P1 provides, for example, a grounding potential of the first repairing line 140. The first repairing line 140 is disposed between the first signal line 120 and the second signal line 130. In other words, the first repairing line 140 has a ground potential. Therefore, when the touch panel 100a is in operation, the first repairing line 140 can perform a signal shielding function to reduce the signal between the first signal line 120 and the second signal line 130. Interference occurs. From another perspective, all the first signal lines 120 and all the second signal lines 130 are respectively disposed on the opposite sides of the first repair line 140. The first repair line 140 having a common potential can be used as the signal shield line between the first signal line 120 and the second signal line 130.

Furthermore, the first repairing line 140 is further extended on the touch element layer 110 and the There is a first signal line 120 overlapping with one end of each of the first signal lines 120, and further extending along the outer side of the first signal line 120 to the other end of the first signal line 120, and the first signal The other ends of the lines 120 overlap. In other words, the first repairing line 140 is distributed along the outer sides of all the first signal lines 120, for example, so as to substantially surround all of the first signal lines 120 and overlap the two ends of the first signal lines 120 surrounded by them. Here, the first repair line 140 overlaps with both ends of each of the first signal lines 120 surrounded by it. However, the invention is not limited thereto. As long as the first repair line 140 overlaps with both ends of any of the first signal lines 120 surrounded by it, it is the spirit of the present invention.

In addition, in this embodiment, the first repair line 140 is surrounded by the touch. All the first signal lines 120 on the same side of the element layer 110 are taken as an example. In other embodiments, the touch panel 100a may be provided with a plurality of first signal lines 120, and each of the first repair lines 140 surrounds a portion of the first signal lines 120.

The structure of both ends of the first signal line 120 will be further explained below. Figure 2A depicts An enlarged schematic view of the area M1 in FIG. 1 illustrates a structure in which the first repair line 140 overlaps the first end 122 of the first signal line 120. Fig. 2B is a schematic cross-sectional view taken along line A-A' of Fig. 2A. Referring to FIGS. 2A and 2B , the first signal line 120 includes a first end 122 , a second end 124 (shown in FIG. 3A ), and a conductive line segment 126 between the first end 122 and the second end 124 . The first end 122 of the first signal 120 The first connecting portion 122b and the first connecting portion 122b are electrically connected to the first connecting portion 122b. The first pad 122a is, for example, a conductive pattern having a larger line width than the conductive line segment 126, which can be fabricated with the conductive line segment 126. An insulating layer 150 covers a portion of the first pad 122a, and the insulating layer 150 has a first opening H1 to expose another portion of the first pad 122a. The first connecting portion 122b is disposed on the insulating layer 150 and filled in the first opening H1 to be electrically connected to the first pad 122a. This embodiment does not limit the size and number of the first openings H1. The material of the first connecting portion 122b is a conductive material. In this embodiment, the first connecting portion 122b can be fabricated together with the first electrode 112a or the second electrode 114a (shown in FIG. 1) of the touch element layer 110 to simplify the process. The first connecting portion 122b is, for example, a place in the touch panel 100a that can be electrically connected to a driving chip or a flexible printed circuit.

Furthermore, the first repairing line 140 includes a first repairing portion 140a, a second repairing portion 140b (shown in FIG. 3A), and a plurality of conductive portions 140c. The conductive portion 140c is located in the first repairing portion 140a and the second repairing portion. Between 140b, between any two second repairing portions 140b and between the second repairing portion 140b and the shielded signal source P1 (shown in FIG. 1). The first repairing portion 140a is located at the end of the first repairing line 140. The first repairing portion 140a is, for example, a conductive pattern having a larger line width than the conductive portion 140c, and can be fabricated together with the conductive portion 140c. The first repairing portion 140a is disposed opposite to the first pad 122a, and the first repairing portion 140a and the first pad 122a are separated from each other by a gap therebetween. The insulating layer 150 covers the first repairing portion 140a, and the first connecting portion 122b extends over the insulating layer 150 above the first repairing portion 140a. In other words, the first connecting portion 122b Located above the first repairing portion 140a and overlapping the first repairing portion 140a, the first repairing line 140 overlaps with the first end 122 of the first signal line 120. The insulating layer 150 is present between the first repairing portion 140a and the first connecting portion 122b to maintain electrical insulation.

FIG. 3A is an enlarged schematic view of the area M2 of FIG. 1 , showing the first The structure in which the repair line 140 overlaps the second end 124 of the first signal line 120. Fig. 3B is a schematic cross-sectional view taken along line B-B' of Fig. 3A. Referring to FIG. 3A and FIG. 3B, the second end 124 of the first signal line 120 includes a second pad 124a and a second connecting portion 124b. The second connecting portion 124b is electrically connected to the second pad 124b. The first pad 122a is, for example, a conductive pattern having a larger line width than the conductive line segment 126, which can be fabricated with the conductive line segment 126. The insulating layer 150 covers the second pads 124a, and the insulating layer 150 has a plurality of second openings H2 to respectively expose a portion of the second pads 124a. The second connecting portion 124b is disposed on the insulating layer 150 and filled in the second opening H2 to be electrically connected to the second pad 124a. The invention does not limit the size and number of the second openings H2.

The material of the second connecting portion 124b is a conductive material. In this embodiment, the first The two connecting portions 124b can be fabricated together with the first electrode 112a or the second electrode 114a (shown in FIG. 1) of the touch element layer 110 to simplify the process. For example, when the touch element layer 110 is formed, the first electrode 112a located at the boundary between the active area 102a and the peripheral area 102b may be extended into the peripheral area 102b to form the first electrode 112a located in the peripheral area 102b. The second connecting portion 124b of the second end 124 of the first signal line 120 is as shown in FIG. In other words, the second connecting portion 124b is, for example, a place where the first signal line 120 is electrically connected to the touch element layer 110.

Referring to FIG. 1 , FIG. 3A and FIG. 3B , the second repairing portion 140 b is disposed opposite to the second pad 124 b , and the second repairing portion 140 b is located between the second pad 124 b and the touch element layer 110 . The second repairing portion 140b is, for example, a conductive pattern having a larger line width than the conductive portion 140c, and can be fabricated together with the conductive portion 140c. The second repairing portion 140b and the second pad 124a are separated from each other with a gap therebetween. The insulating layer 150 covers the second repairing portion 140b, and the second connecting portion 124b extends over the insulating layer 150 above the second repairing portion 140a. In other words, the second connecting portion 124 b is located above the second repairing portion 140 b and overlaps with the second repairing portion 140 b such that the first repairing line 140 overlaps with the second end 124 of the first signal line 120 . The insulating layer 150 is present between the second repairing portion 140b and the second connecting portion 124b to maintain electrical insulation.

When one of the first signal lines 120 of the touch panel 100a is short-circuited, it can be repaired by the first repairing line 140 to improve the product yield of the touch panel 100a. FIG. 4 illustrates a method of repairing a touch panel of the first embodiment. Referring to FIG. 4, a first signal line 120 is in an open state to form a signal line 120s, and the first touch string 112 connected to the signal line 120s cannot transmit the signal. The repair method of the touch panel 100a of this embodiment includes the following three steps. The first step is to perform a cutting process S1 on the first repairing line 140 to electrically insulate the first repairing line 140 from the shielded signal source P1. The second step and the third step are respectively performing a first conduction procedure S2 and a second conduction procedure S3 on the first end 122 and the second end 122 of the signal line 120s to make the first touch string 112 It is electrically connected to the first repairing line 140. It should be noted that the present invention does not limit the order of the above three steps.

FIG. 5A is an enlarged schematic view of the area M1 of FIG. 4, showing the first The repair line 140 is electrically connected to the first end 122 of the first signal line 120. Fig. 5B is a schematic cross-sectional view taken along line A-A' of Fig. 5A. Referring to FIGS. 5A and 5B , a first conduction sequence S2 is performed to overlap the first repairing portion 140 a with the first connecting portion 122 b to electrically connect the first connecting portion 122 b to the first repairing portion 140 a . The first conduction procedure S2 is, for example, laser welding.

6A is an enlarged schematic view of a region M2 of FIG. 4, showing the first The repair line 140 is electrically connected to the second end 124 of the first signal line 120. Fig. 6B is a schematic cross-sectional view taken along line B-B' of Fig. 6A. Referring to FIGS. 6A and 6B , a second conduction sequence S3 is performed to overlap the second repairing portion 140 b and the second connecting portion 124 b to electrically connect the second connecting portion 124 b and the second repairing portion 140 b . The first conduction procedure S2 is, for example, laser welding.

Referring to FIG. 4 and FIG. 6A simultaneously, the cutting program S1 is, for example, laser cutting. (laser cutting), and the cutting procedure S1 cuts the first repairing line 140 If it is located anywhere between the shielded signal source and the second repairing portion 140b to be repaired. The first repairing line 140 can be cut into a first line segment 142 and a second line segment 144, wherein the first line segment 142 can be electrically connected to the first end 122 and the second end 124 of the signal line 120s. In other words, the signal of the first touch string 112 connected to the signal line 120s can be transmitted through the first line segment 142, so that the touch panel 100a can still operate normally, thereby improving the product yield of the touch panel 100a.

In addition, the second line segment 144 is still electrically connected to the shielded signal source. therefore, In a preferred embodiment, an appropriate cut can be selected to locate the first signal line The second line segment 144 between the 120 and the second signal line 130 has a sufficient length. As a result, the second line segment 144 can still function to shield the signal interference to reduce the signal interference between the first signal line 120 and the second signal line 130.

The foregoing embodiment is described by taking the first repairing line 140 as a repairing line of the first signal line 120 as an example. However, the invention is not limited thereto. In other embodiments, the repair line can also be set for the second signal line 130. FIG. 7 is a top plan view of a touch panel according to a second embodiment of the present invention. Referring to FIG. 7 , the touch panel 100 b of the present embodiment is similar in structure to the touch panel 100 a of FIG. 1 , and the difference is that the touch panel 100 b further includes at least one second repairing line 160 .

The second repairing line 160 is electrically connected to a shielded signal source P2, and the shielded signal source P1 provides, for example, a second repairing line 160 to a ground potential. Since the second repairing line 160 is disposed between the first signal line 120 and the second signal line 130, and the second repairing line 160 has a ground potential, when the touch panel 100b operates, the second repairing line 160 can perform signal shielding. The function is to reduce the phenomenon of signal interference between the first signal line 120 and the second signal line 130. In another aspect, all the first signal lines 120 and all the second signal lines 130 are respectively disposed on opposite sides of the second repairing line 160. Therefore, the second repairing line 160 having the common potential can be used as the first signal line 120. A signal shielding line between the second signal line 130 and the second signal line 130.

Furthermore, the second repairing line 160 extends between the touch element layer 110 and the second signal line 130 and overlaps with one end of each of the second signal lines 130, and further extends along the outer side of the second signal line 130 to each The other end of the second signal line 130 overlaps with the other end of each of the second signal lines 130. In other words, the second patch The line 160 is distributed, for example, along the outside of all of the second signal lines 130, thus substantially surrounding all of the second signal lines 130 and overlapping the two ends of the second signal lines 130 surrounded by them. Here, the second repair line 160 overlaps the two ends of each of the second signal lines 130 surrounded by the second repair line 160 as an example. However, the invention is not limited thereto. As long as the second repair line 160 overlaps both ends of any of the second signal lines 130 surrounded by it, it is the spirit of the present invention. In addition, the second repairing line 160 is, for example, surrounding all of the second signal lines 130 on the same side of the touch element layer 110. However, in other embodiments, the second repair line 160 may also be a second signal line 130 surrounding a portion, but not all of the second signal lines 130.

The second repair line 160 is similar in structure to the first repair line 140, and is different. The way is the layout of the traces and the surrounding signal lines. For the design manner of the overlap between the two ends of the second repairing line 160 and the second signal line 130, reference may be made to the design manner in which the first repairing line 140 overlaps the two ends of the first signal line 120. In other words, after referring to the structures shown in FIG. 2A, FIG. 2B, FIG. 3A, and FIG. 3B, those skilled in the art can understand the design manner of the overlap between the two ends of the second repairing line 160 and the second signal line 130. Therefore, the description will not be repeated.

In this embodiment, the first repairing line 140 and the second repairing line 160 are the same. The mask signal line of the first signal line 120 and the second signal line 130 in the touch panel 100b. When one of the first signal lines 120 is open, the first repair line 140 can be repaired, and the second repair line 160 still acts as a shielded signal line. Alternatively, when one of the second signal lines 130 is open, the second repair line 160 can be repaired, and the first repair line 140 still functions as a shielded signal line.

As shown in FIG. 1 and FIG. 7 , the above embodiment is exemplified by a single-sided driving type touch panel, wherein one end of each of the first touch sensing series 112 and one of the first signal lines 120 are electrically connected. Connected, and each of the second touch sensing series 114 is electrically connected to one of the second signal lines 130. In the following embodiments, a touch panel with a double-sided driving type will be described as an example.

FIG. 8 is a top plan view of a touch panel according to a third embodiment of the present invention. Referring to FIG. 8 , the structure of the touch panel 100 c is similar to that of the touch panel 100 b of FIG. 7 , and the difference is as follows: the two ends of each first touch string 112 of the touch panel 100 c are respectively first and first The signal lines 120 are electrically connected to each other, and two ends of each of the second touch strings 114 are electrically connected to one of the second signal lines 130. In other words, each of the first touch strings 112 is electrically connected to the two first signal lines 120 , and each of the second touch strings 114 is electrically connected to the two second signal lines 130 .

The touch panel 100c further includes at least one third repairing line 170 and at least one fourth repairing line 180. The third repairing line 170 is electrically connected to the shielding signal source P3, and the fourth repairing line 180 and the shielding signal source P4. Electrical connection. The third repairing line 170 and the first repairing line 140 respectively surround the first signal lines 120 on opposite sides of the touch element layer 110 , and the third repairing lines 170 are similar in structure to the first repairing lines 140 . The fourth repairing line 180 and the second repairing line 160 respectively surround the second signal lines 130 on opposite sides of the touch element layer 110 , and the fourth repairing lines 180 are similar in structure to the first repairing lines 140 . In this embodiment, both ends of the first signal line 120 and the second signal line 130 on each side of the touch element layer 110 may overlap with different repair lines, and thereby serve as a repair design.

In summary, the repair line of the touch panel of the present invention is disposed between the signal lines having different signals, so that the repair line can provide a shielding effect for reducing signal interference. Furthermore, the repair line further surrounds part of the signal line and overlaps both ends of any of the enclosed signal lines. When the signal line is open, a patch can be made to replace the signal line with the repair line, thereby improving the product yield of the touch panel. In other words, the repaired wire trace design of the touch panel of the present invention can simultaneously have the functions of shielding signal interference and repairing the touch panel.

100a‧‧‧ touch panel

102‧‧‧Substrate

102a‧‧‧Active Area

102b‧‧‧ surrounding area

110‧‧‧Touch element layer

112‧‧‧First touch string

112a‧‧‧first electrode

112b‧‧‧First bridge wiring

114‧‧‧Second touch string

114a‧‧‧second electrode

114b‧‧‧Second bridge wiring

120‧‧‧First signal line

120s‧‧‧瑕疵讯线

130‧‧‧Second signal line

140‧‧‧First repair line

140a‧‧‧First Repair Department

140b‧‧‧Second Repair Department

142‧‧‧First line segment

144‧‧‧second line

D1‧‧‧ first direction

D2‧‧‧ second direction

M1, M2‧‧‧ area

P1‧‧‧Shield signal source

S1‧‧‧ cutting procedure

S2‧‧‧ first conduction procedure

S3‧‧‧second conduction procedure

Claims (10)

A touch panel includes: a substrate having an active area and a peripheral area adjacent to the active area; a touch element layer disposed in the active area, the touch element layer including a plurality of first touches And a plurality of second touch strings arranged in the first touch line; the plurality of first signal lines are disposed in the peripheral area, each of the first signal lines and one of the first touches a plurality of second signal lines are disposed in the peripheral area, each of the second signal lines is electrically connected to one of the second touch strings; and at least one first repair line, and one The shielding source is electrically connected, the first repairing line is disposed between the first signal lines and the second signal lines, and the two ends of the first repairing line and at least part of the first signal lines overlapping. The touch panel of claim 1, wherein the first repairing line overlaps both ends of any of the first signal lines. The touch panel of claim 1, wherein the first touch string is a drive train and the second touch train is a sense train. The touch panel of claim 1, wherein the first touch string is a sensing series, and the second touch string is a driving series. The touch panel of claim 1, wherein one end of each of the first touch strings is electrically connected to one of the first signal lines, and one end of each of the second touch strings is one of the first The two signal lines are electrically connected. The touch panel of claim 1, wherein the two ends of the first touch string are electrically connected to one of the first signal lines, and the two ends of the second touch string are respectively It is electrically connected to one of the second signal lines. The touch panel of claim 1, wherein the first repairing line surrounds the first signal lines overlapping the first repairing line. The touch panel of claim 1, further comprising at least one second repairing line electrically connected to the shielding signal source, wherein the second repairing line is disposed on the first signal lines and the second Between the signal lines, and the second repair line overlaps with both ends of at least part of the second signal lines. The touch panel of claim 1, wherein when at least one of the first signal lines overlapping the first repair line is open and becomes a signal line, the first repair line and the shield The signal line is electrically insulated, and the first repairing line is electrically connected to both ends of the signal line. A touch panel repairing method, comprising: providing a touch panel according to claim 1, wherein at least part of the first signal line overlapping the first repair line is open and becomes a a signal line; electrically insulating the first repairing line from the shielded signal line; and electrically connecting the first repairing line to both ends of the signal line.