TW201928617A - Touch array substrate - Google Patents

Abstract

A touch array substrate includes a substrate, switching devices, pixel electrodes, a first touch electrode, a second touch electrode, a first touch electrode strip, a second touch electrode strip, and a repair structure. The switching devices are disposed on the substrate. The pixel electrodes are correspondingly electrically connected with the switching devices. The first touch electrode and the second touch electrode are overlapping with the pixel electrodes. An edge of the first touch electrode adjacent to the second touch electrode has a first protrusion. At least one of the first touch electrode strip and the second touch electrode strip is correspondingly electrically connected with the first touch electrode or the second touch electrode. The repair structure is disposed between the first touch electrode and the second touch electrode. The repair structure is overlapping with the first protrusion.

Description

Touch array substrate

The present invention relates to a touch array substrate, and more particularly, to a touch array substrate having a repair structure.

A touch-type electronic device usually has both a display function and a touch function, so that a user can directly control the icons displayed on the display panel in a touch manner. Generally speaking, a touch-type electronic device includes a plurality of touch electrodes and a plurality of touch electrode wires arranged in an array. The touch electrode wires are connected to the touch electrodes and are responsible for transmitting signals to the touch electrodes.

In the prior art, in order to make the thickness of the display panel thinner, many technologies for disposing the touch electrode wires and the touch electrodes in the display panel (In cell) have been developed. However, if the touch electrodes and the touch electrode wires are disposed in the display panel, it is difficult to repair the faulty touch electrode wires or the faulty touch electrodes without affecting the display quality. If the entire display panel is replaced due to the failure of the touch electrode lead or the touch electrode, it will also require excessive costs. Therefore, there is an urgent need for a new repair technology for touch devices.

The invention provides a touch array substrate, which can increase the probability of successfully repairing touch electrodes.

A touch array substrate of the present invention includes a substrate, a plurality of switching elements, a plurality of pixel electrodes, a first touch electrode, a second touch electrode, a first touch electrode wire, a second touch electrode wire, and a repair structure. . A plurality of switching elements are located on the substrate. The plurality of pixel electrodes are electrically connected to the corresponding switching elements, respectively. The first touch electrode and the second touch electrode are respectively overlapped with a part of the pixel electrode in a direction perpendicular to the substrate. An edge of the first touch electrode adjacent to the second touch electrode has a first protruding portion. The first touch electrode lead and the second touch electrode lead overlap the first touch electrode and the second touch electrode in a direction perpendicular to the substrate, respectively. At least one of the first touch electrode lead and the second touch electrode lead is electrically connected to the corresponding first touch electrode or the second touch electrode. The vertical projection of the repair structure on the substrate is located between the vertical projection of the first touch electrode and the second touch electrode on the substrate. The repair structure partially overlaps the first touch electrode and the second touch electrode, respectively.

In at least one embodiment of the present invention, even if the touch electrode wire and the touch electrode are disconnected at the connection point and cause the touch electrode to fail, the repair structure overlapping the touch electrode can still be used to repair the faulty touch electrode. Probability of successful repair of touch electrodes.

In order to make the above features and advantages of the present invention more comprehensible, embodiments are hereinafter described in detail with reference to the accompanying drawings.

FIG. 1A is a schematic top view of a touch array substrate 1 according to an embodiment of the present invention. FIG. 1B is a schematic cross-sectional view taken along line AA ', BB', and CC 'of FIG. 1A.

Please refer to FIGS. 1A and 1B. The touch array substrate 1 includes a substrate SB, a plurality of switching elements T, a plurality of pixel electrodes PE, a first touch electrode 100, a second touch electrode 200, and a first touch electrode. The conductive line 120, the second touch electrode conductive line 220, and the repair structure 300.

A plurality of switching elements T are located on the substrate SB. In this embodiment, the touch array substrate 1 further includes a plurality of scan lines SL and a plurality of data lines DL respectively electrically connected to the plurality of switching elements T, wherein the scan lines SL extend along the direction D2 and the data lines DL extend along Extending in the direction D1, the directions D1 and D2 intersect each other. The switching element T is, for example, a bottom-gate thin film transistor, which includes a gate G, a channel M, a source S, and a drain D. The gate electrode G is electrically connected to the scan line SL. The channel M is located above the gate G and is separated from the gate G by an insulating layer GI. The source S and the drain D are respectively located on two sides above the channel M, and the source S is electrically connected to the data line DL. According to another embodiment, the active device may also be other types of thin film transistors, such as a top gate thin film transistor and a double gate thin film transistor.

The insulating layer P1 covers the switching element T. The first touch electrode 100 and the second touch electrode 200 are located on the insulating layer P1 and are adjacent to each other but not electrically connected. The first touch electrode lead 120 and the second touch electrode lead 220 overlap the first touch electrode 100 and the second touch electrode 200 in the direction D3 of the vertical substrate SB, respectively. In this embodiment, the first touch electrode lead 120 is located between the substrate SB and the first touch electrode 100, and the second touch electrode lead 220 is located between the substrate SB and the second touch electrode 200. In this embodiment, the data line DL, the first touch electrode lead 120, the second touch electrode lead 220, the source S, and the drain D belong to the same film layer, and the data line DL and the first touch electrode lead 120 The second touch electrode lead 220 is disposed parallel to each other. The data line DL, the first touch electrode lead 120, the second touch electrode lead 220, the source S, and the drain D are defined by, for example, the same patterning process.

In some embodiments, the first touch electrode 100 may be overlapped with a plurality of touch electrode wires, such as including a plurality of first touch electrode wires 120. In some embodiments, the second touch electrode 200 may be overlapped with a plurality of touch electrode wires, such as including a plurality of second touch electrode wires 220. In this embodiment, the first touch electrode 100 is electrically connected to at least one first touch electrode lead 120 through the opening H1 in the insulation layer P1, and the second touch electrode 200 is passed through the insulation layer P1. The opening H2 is electrically connected to at least one second touch electrode lead 220.

In some embodiments, the first touch electrode lead 120 and the second touch electrode lead 220 can transmit signals from the driving element DR (shown in FIG. 5) to the first touch electrode 100 and the second touch electrode, respectively.控 Guests200. The first touch electrode lead 120 and the second touch electrode lead 220 may be used, for example, to transmit a common voltage signal and a touch signal, and switch to a common voltage signal and a touch signal at different timings. Therefore, the first touch electrode 100 and the second touch electrode 200 may have a function of a common electrode and a function of a touch electrode.

In some embodiments, the first touch electrode 100 and the second touch electrode 200 include a plurality of openings O2. The openings O2 may overlap the scan lines SL, the data lines DL, the first touch electrode wires 120, the second The touch electrode lead 220 and / or the switching element T are used to reduce the parasitic capacitance generated by the first touch electrode 100 and the second touch electrode 200.

In this embodiment, the edge 100 a of the first touch electrode 100 has a first protruding portion 110 adjacent to the second touch electrode 200. In this embodiment, the first protruding portion 110 protrudes toward the edge 200a of the second touch electrode 200, and the first protruding portion 110 extends, for example, substantially along the direction D2. limit. In some embodiments, the first protruding portion 110 extends substantially along the direction D1, depending on the direction in which the two touch electrodes are adjacent to each other. In this embodiment, the edge 200 a of the second touch electrode 200 has a groove U at a position corresponding to the first protruding portion 110.

The insulating layer P2 covers the insulating layer P1, the first touch electrode 100, and the second touch electrode 200. The plurality of pixel electrodes PE are located on the insulating layer P2 and are electrically connected to the corresponding switching elements T, respectively. In this embodiment, the opening O penetrates the insulating layer P1 and the insulating layer P2, and the pixel electrode PE passes through the opening O and is electrically connected to the drain electrode D of the switching element T.

The first touch electrodes 100 and the second touch electrodes 200 overlap the pixel electrodes PE in the direction D3 of the vertical substrate SB, respectively. In this embodiment, at least part of the first touch electrode 100 and at least part of the second touch electrode 200 are located between the pixel electrodes PE and the substrate SB. Therefore, the first touch electrode 100 and the second touch electrode 200 includes a plurality of openings O ′ corresponding to the opening O, and the opening O ′ is larger than the opening O, so that the pixel electrodes PE can pass through the first touch electrode 100 and the second touch electrode 200 and avoid mutual electrical Contact, but the invention is not limited to this. In some embodiments, the pixel electrode PE is located between the first touch electrode 100 and the substrate SB or between the second touch electrode 200 and the substrate SB, so there is no need to touch the first touch electrode 100 and the second touch The electrode 200 is provided with an opening O ′.

In this embodiment, the pixel electrode PE has a plurality of slits O1, but the invention is not limited thereto. In some embodiments, the first touch electrode 100 and the second touch electrode 200 have a slit.

In this embodiment, the repair structure 300 is located on the insulating layer GI, and the vertical projection of the repair structure 300 on the substrate SB is located between the vertical projection of the first touch electrode 100 and the second touch electrode 200 on the substrate SB. The repair structure 300 includes, for example, a first portion 310, a second portion 320, and a straight line segment 330 connected between the first portion 310 and the second portion 320. The first portion 310 is in contact with the first touch in the direction D3 of the vertical substrate SB. The electrode 100 overlaps, and the second portion 320 overlaps the second touch electrode 200 in the vertical substrate SB direction D3, but the invention is not limited thereto. In some embodiments, the repair structure 300 includes, for example, only the first portion 310 and the second portion 320 without a straight line segment. In this embodiment, the data line DL, the first touch electrode lead 120, the second touch electrode lead 220, and the repair structure 300 belong to the same film layer. The second touch electrode 200 is electrically connected to the second portion 320 of the repair structure 300 through the opening H3 in the insulating layer P1. In this embodiment, the second touch electrode 200 electrically connects the repair structure 300 to the second touch electrode wire 220.

The first portion 310 of the repair structure 300 overlaps the first protruding portion 110 in the direction D3 of the vertical substrate SB. The repair structure 300 and the first protruding portion 110 overlap in the welding region WR.

At least one of the first touch electrode lead 120 and the second touch electrode lead 220 is electrically connected to the corresponding first touch electrode 100 or the second touch electrode 200. In some embodiments, if neither the first touch electrode 100 nor the second touch electrode 200 is faulty, the first touch electrode lead 120 and the second touch electrode lead 220 are respectively corresponding to the corresponding first touch electrode 100 The first touch electrode 100 and the repair structure 300 are electrically connected to the second touch electrode 200.

In some embodiments, when the first touch electrode lead 120 is disconnected, for example, the first touch electrode lead 120 is broken or the first touch electrode 100 and the first touch electrode lead 120 are not connected at the opening H1. Therefore, an appropriate touch signal cannot be provided to the first touch electrode 100. At this time, the first touch electrode 100 can be electrically connected to the repair structure 300 by using laser or other similar means. The faulty first touch electrode 100 is electrically connected to the second touch electrode wire 220 through the repair structure 300 and the second touch electrode 200, so that the second touch electrode wire 220 replaces the disconnected first touch electrode wire 120. Send a signal to the faulty first touch electrode 100.

In some embodiments, when the second touch electrode lead 220 is disconnected, for example, the second touch electrode lead 220 is broken or the second touch electrode 200 and the second touch electrode lead 220 are not connected at the opening H2, Therefore, a proper touch signal cannot be provided to the second touch electrode 200. At this time, the first touch electrode 100 can be electrically connected to the repair structure 300 by using laser or other similar means. The faulty second touch electrode 200 is electrically connected to the first touch electrode lead 120 through the repair structure 300 and the first touch electrode 100, so that the first touch electrode lead 120 replaces the disconnected second touch electrode lead 220. Send a signal to the second touch electrode 200.

In some embodiments, the aforementioned laser can also melt a part of the repair structure 300 so that the repair structure 300 and the first touch electrode 100 can be better electrically connected together.

Based on the above, even if the first touch electrode lead 120 and the first touch electrode 100 are disconnected at the connection, the first touch electrode 100 fails, or the second touch electrode lead 220 and the second touch electrode 200 are at the connection. The failure of the second touch electrode 200 caused by the disconnection can still be repaired by the repair structure 300 overlapping the first touch electrode 100. Therefore, the successful repair can be improved. The probability of the touch array substrate 1.

FIG. 2 is a schematic top view of a touch array substrate 2 according to an embodiment of the present invention. It must be noted here that the embodiment of FIG. 2 inherits the component numbers and parts of the embodiments of FIGS. 1A and 1B, in which the same or similar reference numerals are used to indicate the same or similar components, and the same technical content is omitted. Instructions. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

Please refer to FIG. 2. In this embodiment, the first touch electrode lead 120 of the touch array substrate 2 is disconnected, for example, a disconnection occurs in the defect area DF. The welding point W is formed by laser or other similar means, so that the first protruding portion 110 of the first touch electrode 100 and the repair structure 300 are welded, so that the first protruding portion 110 of the first touch electrode 100 and the repair structure are fused. 300 electrical connections. The first touch electrode 100 is electrically connected to the second touch electrode lead 220 through the repair structure 300 and the second touch electrode 200, so that the second touch electrode lead 220 transmits a signal instead of the disconnected first touch electrode lead 120. To the first touch electrode 100.

In this embodiment, the first touch electrode lead 120 is disconnected due to the disconnection of the first touch electrode lead 120, but the present invention is not limited thereto. In some embodiments, the disconnection of the first touch electrode lead 120 and the first touch electrode 100 at the connection causes the first touch electrode lead 120 to be disconnected and causes the first touch electrode 100 to fail, which can still be implemented using this implementation. The method of forming the welding point W is used to repair the faulty first touch electrode 100.

In this embodiment, the welding point W is formed to repair the faulty first touch electrode 100, but the invention is not limited thereto. In some embodiments, the first touch electrode 100 is operating normally, and the second touch electrode wire 220 is disconnected, which causes the second touch electrode 200 to malfunction. The faulty second contact can be repaired by forming a welding point W in this embodiment.控 Guests200.

FIG. 3A is a schematic top view of a touch array substrate 3 according to an embodiment of the present invention. FIG. 3B is a schematic cross-sectional view taken along line AA ', BB', and CC 'of FIG. 3A. It must be explained here that the embodiments of FIG. 3A and FIG. 3B inherit the component numbers and parts of the embodiments of FIG. 1A and FIG. 1B, in which the same or similar reference numerals are used to indicate the same or similar components, and the same Description of technical content. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

Please refer to FIGS. 3A and 3B. The opening O ′ of the first touch electrode 100 and the second touch electrode 200 exposes the switching element T, which can reduce the parasitic capacitance between the first touch electrode 100 and the switching element T and the second Parasitic capacitance between the touch electrode 200 and the switching element T. In this embodiment, the opening O 'exposes the switching element T, and one of the pixel electrodes PE passes through the opening O' and is electrically connected to one of the switching elements T.

In this embodiment, the scan lines SL, the data lines DL, and the repair structure 300 belong to different film layers. The repair structure 300, the first touch electrode wire 120, and the second touch electrode wire 220 belong to the same film layer. The repair structure 300, the first touch electrode wire 120, and the second touch electrode wire 220, for example, use the same pattern. Defined by the chemical process. In this embodiment, the repair structure 300, the first touch electrode lead 120, and the second touch electrode lead 220 are located on the insulating layer P1, and the insulation layer P3 covers the repair structure 300, the first touch electrode lead 120, and the second touch The control electrode lead 220, and the insulating layer P3 is located between the insulating layer P1 and the insulating layer P2. The first touch electrode 100 is electrically connected to the first touch electrode lead 120 through the opening H1 in the insulating layer P3. The second touch electrode 200 is electrically connected to the second touch electrode wire 220 through the opening H2 in the insulating layer P3. The second touch electrode 200 is electrically connected to the repair structure 300 through the opening H3 in the insulating layer P3. In this embodiment, in the direction D3 of the vertical substrate SB, the data line DL is covered by the repair structure 300, the first touch electrode lead 120 and the second touch electrode lead 220, but the present invention is not limited thereto. In other embodiments, the data line DL may not be covered by the repair structure 300, the first touch electrode lead 120 and the second touch electrode lead 220.

In this embodiment, neither the first touch electrode 100 nor the second touch electrode 200 is faulty, so the first touch electrode 100 and the repair structure 300 are electrically separated.

In some embodiments, when the first touch electrode wire 120 is disconnected and the first touch electrode 100 is faulty, the first touch electrode 100 may be electrically connected to the repair structure 300 by using a laser or other similar means. The faulty first touch electrode 100 is electrically connected to the second touch electrode wire 220 through the repair structure 300 and the second touch electrode 200, so that the second touch electrode wire 220 replaces the disconnected first touch electrode wire 120. Send a signal to the faulty first touch electrode 100.

In some embodiments, when the second touch electrode wire 220 is disconnected and the second touch electrode 200 is faulty, the first touch electrode 100 may be electrically connected to the repair structure 300 by using laser or other similar means. The faulty second touch electrode 200 is electrically connected to the first touch electrode lead 120 through the repair structure 300 and the first touch electrode 100, so that the first touch electrode lead 120 replaces the disconnected second touch electrode lead 220. Send a signal to the faulty second touch electrode 200.

Based on the above, even if the first touch electrode lead 120 and the first touch electrode 100 are disconnected at the connection, the first touch electrode 100 fails, or the second touch electrode lead 220 and the second touch electrode 200 are at the connection. The disconnection results in the failure of the second touch electrode 200, and the repair structure 300 overlapping the first touch electrode 100 can still be used to repair the failed first touch electrode 100 or the failed second touch electrode 200. Therefore, the repair can be improved. The probability of successfully repairing the touch array substrate 3.

FIG. 4 is a schematic top view of a touch array substrate 4 according to an embodiment of the present invention. It must be noted here that the embodiment of FIG. 4 follows the component numbers and parts of the embodiments of FIGS. 3A and 3B, in which the same or similar reference numerals are used to indicate the same or similar components, and the same technical content is omitted. Instructions. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

Please refer to FIG. 4, the scan lines SL, the data lines DL, and the repair structure 300 belong to different film layers. In this embodiment, the repair structure 300, the first touch electrode lead 120 and the second touch electrode lead 220 belong to the same film layer. The repair structure 300, the first touch electrode lead 120, and the second touch electrode lead 220 are defined, for example, by a same patterning process.

In this embodiment, the first touch electrode lead 120 of the touch array substrate 4 is disconnected, for example, a disconnection occurs in the defect area DF, which causes the first touch electrode 100 to fail.

The welding point W is formed by laser or other similar means, so that the first protruding portion 110 of the faulty first touch electrode 100 and the repair structure 300 are welded, so that the first protruding portion 110 of the first touch electrode 100 and The repair structure 300 is electrically connected. The faulty first touch electrode 100 is electrically connected to the second touch electrode wire 220 through the repair structure 300 and the second touch electrode 200, so that the second touch electrode wire 220 replaces the disconnected first touch electrode wire 120. Send a signal to the faulty first touch electrode 100.

5A is a schematic top view of a touch array substrate according to an embodiment of the present invention. 5B is a schematic top view of a touch array substrate according to an embodiment of the present invention. 5C is a schematic top view of a touch array substrate according to an embodiment of the present invention. It must be explained here that the embodiments of FIG. 5A, FIG. 5B, and FIG. 5C inherit the component numbers and parts of the embodiments of FIG. 1A and FIG. Explanation of the same technical content is omitted. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

Please refer to FIG. 5A, the touch array substrate includes a plurality of touch electrodes E (including the aforementioned first touch electrodes 100 and second touch electrodes 200), a plurality of touch electrode wires R (including the aforementioned first touch The electrode lead 120 and the second touch electrode lead 220) and the driving element DR. The touch electrode wires R can respectively transmit signals sent from the driving elements DR to the corresponding touch electrodes E. The driving element DR can generate a common voltage signal and a touch signal, for example.

Please refer to FIG. 5B. The embodiment of FIG. 5B is different from the embodiment of FIG. 5A in that the touch electrode wire R of the embodiment of FIG. 5B extends from the driving element DR to the touch electrode E electrically connected to it. In addition, it will continue to extend beyond the touch electrodes E electrically connected to it, thereby reducing the difference in length between different touch electrode wires R, and improving the problem of uneven light transmittance or uneven color of the touch array substrate.

FIG. 5C is, for example, an embodiment of the touch array substrate of FIG. 5A. For the convenience of explanation, FIG. 5C shows one of the touch electrodes E in FIG. 5A and other touches adjacent to the touch electrode E above and below. Electrode E is used for illustration. The touch array substrate 5 includes a first touch electrode 100, a second touch electrode 200, a first touch electrode lead 120, and a second touch electrode lead 220. The first touch electrode lead 120 and the second touch electrode lead 220 can transmit signals from the driving element DR to the first touch electrode 100 and the second touch electrode 200, respectively. The driving element DR can generate a common voltage signal and a touch signal, for example. In this embodiment, the first touch electrode 100 is, for example, overlapped with a first touch electrode wire 120 and at least one second touch electrode wire 220, but the present invention is not limited thereto. Both the first touch electrode 100 and the second touch electrode 200 may overlap the plurality of first touch electrode wires 120 and the plurality of second touch electrode wires 220.

In the extension direction D1 of the data line (shown in FIG. 1A), the first touch electrode 100 is located between two adjacent second touch electrodes 200A / 200B, and two repair structures 300A / 300B are on the substrate SB The vertical projections are located between the vertical projections of the first touch electrodes 100 on the substrate SB and the vertical projections of the two second touch electrodes 200A / 200B on the substrate SB. The repair structure 300A / 300B is electrically connected to the first touch electrode 100 through the opening H5 and the opening H6, respectively. The repair structures 300A / 300B overlap the second protruding portions 210A / 210B of the second touch electrodes 200A / 200B, respectively.

In the extending direction D2 of the scanning line (shown in FIG. 1A), the first touch electrode 100 is located between the other two second touch electrodes 200C / 200D adjacent to it, and the other two repair structures 300C / 300D are The vertical projections on the substrate SB are respectively located between the vertical projections of the first touch electrode 100 on the substrate SB and the vertical projections of the other two second touch electrodes 200C / 200D on the substrate SB. The repair structure 300C / 300D is electrically connected to the second touch electrode 200C / 200D through the opening H3 and the opening H4, respectively. The repair structures 300C / 300D overlap the first protrusions 110C / 110D of the first touch electrode 100, respectively.

Based on the above, even if the first touch electrode lead 120 and the first touch electrode 100 are disconnected at the connection, the first touch electrode 100 fails, or the second touch electrode lead 220 and the second touch electrode 200 are at the connection. The disconnection causes the second touch electrode 200 to fail, or the first touch electrode wire 120 is disconnected, or the second touch electrode wire 220 is disconnected. The repair structure overlapping the first touch electrode 100 can still be used. 300 to repair the faulty first touch electrode 100 or the second touch electrode 200. Therefore, the probability of successfully repairing the touch array substrate 5 can be improved.

FIG. 6 is a schematic top view of a touch array substrate 6 according to an embodiment of the present invention. It must be noted here that the embodiment of FIG. 6 follows the component numbers and parts of the embodiment of FIG. 5, wherein the same or similar reference numerals are used to represent the same or similar components, and the description of the same technical content is omitted. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

Please refer to FIG. 6, the touch array substrate 6 includes a plurality of first touch electrodes 100, a plurality of second touch electrodes 200, a plurality of first touch electrode wires 120 and a plurality of second touch electrode wires 220.

In this embodiment, the first touch electrode wire 120 of the touch array substrate 6 is disconnected, for example, a disconnection occurs in the defect area DF, which causes the first touch electrode 100 to fail. The welding point W is formed by laser or other similar means, so that the first protruding portion 110C of the faulty first touch electrode 100 and the repair structure 300C are welded, so that the first protruding portion 110 of the first touch electrode 100 and The repair structure 300C is electrically connected. The faulty first touch electrode 100 is electrically connected to the second touch electrode 200C through the repair structure 300C, and is repaired by the second touch electrode 200C.

In this embodiment, the first touch electrode 100 is disconnected due to the first touch electrode wire 120 being disconnected in the defect area DF, but the present invention is not limited thereto. In some embodiments, the disconnection of the first touch electrode lead 120 and the first touch electrode 100 at the connection (for example, at the opening H1) causes the first touch electrode lead 120 to be disconnected, and causes the first touch electrode 100 to be disconnected. In the case of a fault, the faulty first touch electrode 100 can still be repaired by forming the welding point W in this embodiment.

In this embodiment, the welding point W is formed at the first protruding portion 110C, but the invention is not limited thereto. In some embodiments, the welding point W is formed on the first protruding portion 110D, and the first touch electrode 100 is electrically connected to the second touch electrode 200D through the repair structure 300D. In some embodiments, the welding point W is formed at the second protruding portion 210A, and the first touch electrode 100 is electrically connected to the second touch electrode 200A through the repair structure 300A. In some embodiments, the welding point W is formed at the second protruding portion 210B, and the first touch electrode 100 is electrically connected to the second touch electrode 200B through the repair structure 300B.

In the touch array substrate 6 of this embodiment, when the first touch electrode 100 fails, the repair structure 300A / 300B / 300C / 300D can be used to electrically connect the failed first touch electrode 100 and the second touch electrode. One of 200A / 200B / 200C / 200D to repair the faulty first touch electrode 100.

Based on the above, even if the first touch electrode lead 120 and the first touch electrode 100 are disconnected at the connection, the first touch electrode 100 fails, or the second touch electrode lead 220 and the second touch electrode 200 are at the connection. The disconnection causes the second touch electrode 200 to fail, or the first touch electrode wire 120 is disconnected, or the second touch electrode wire 220 is disconnected. The repair structure overlapping the first touch electrode 100 can still be used. 300 to repair the faulty first touch electrode 100 or the second touch electrode 200. Therefore, the probability of successfully repairing the touch array substrate 6 can be increased.

FIG. 7A is a schematic top view of a touch array substrate 7 according to an embodiment of the present invention. FIG. 7B is a schematic cross-sectional view taken along lines AA ', BB', and CC 'of FIG. 7A. It must be explained here that the embodiments of FIG. 7A and FIG. 7B follow the component numbers and parts of the embodiments of FIG. 1A and FIG. 1B, in which the same or similar reference numerals are used to indicate the same or similar components, and the same Description of technical content. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

Please refer to FIGS. 7A and 7B. The repair structure 300 is located on the insulating layer P2 and belongs to the same film layer as the pixel electrode PE. The repair structure 300 is defined in the same patterning process as the pixel electrode PE, for example. An edge 200 a of the second touch electrode 200 includes a second protruding portion 210 adjacent to the first touch electrode 100. In this embodiment, the second protruding portion 210 extends along the direction D1, but the invention is not limited thereto. In other embodiments, the second protrusion 210 extends along the direction D2. The repairing structure 300 overlaps the first protruding portion 110 and the second protruding portion 120 in the direction D3 of the vertical substrate SB.

In this embodiment, the first touch electrode 100 is electrically connected to the first touch electrode lead 120, and the second touch electrode 200 is electrically connected to the second touch electrode lead 220. Neither the first touch electrode 100 nor the second touch electrode 200 failed. In this embodiment, neither the first touch electrode 100 nor the second touch electrode 200 is faulty, so the repair structure 300 is a floating electrode.

Based on the above, when the first touch electrode lead 120 and the first touch electrode 100 are disconnected at the connection, the first touch electrode 100 fails, or the second touch electrode lead 220 and the second touch electrode 200 are at the connection. The disconnection causes the second touch electrode 200 to fail, or the first touch electrode wire 120 is disconnected, or the second touch electrode wire 220 is disconnected. The repair structure overlapping the first touch electrode 100 can still be used. 300 to repair the faulty first touch electrode 100 or the second touch electrode 200, so the probability of successfully repairing the touch array substrate 7 can be increased.

FIG. 8 is a schematic top view of a touch array substrate 8 according to an embodiment of the present invention. It must be noted here that the embodiment of FIG. 8 inherits the component numbers and parts of the embodiments of FIGS. 7A and 7B, in which the same or similar reference numerals are used to indicate the same or similar components, and the same technical content is omitted. Instructions. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

In this embodiment, the first touch electrode lead 120 of the touch array substrate 8 is disconnected, for example, a disconnection occurs in the defect area DF, which causes the first touch electrode 100 to fail. The welding point W is formed by laser or other similar means, so that the first protruding portion 110 of the first touch electrode 100, the second protruding portion 210 of the second touch electrode 200, and the repair structure 300 are welded, so that the first The first protruding portion 110 of the touch electrode 100 and the second protruding portion 210 of the second touch electrode 200 are electrically connected to the repair structure 300. The first touch electrode 100 is electrically connected to the second touch electrode wire 220 through the repair structure 300 and the second touch electrode 200. The second touch electrode lead 220 replaces the disconnected first touch electrode lead 120 to transmit a signal to the faulty first touch electrode 100.

In this embodiment, the first touch electrode 100 is disconnected due to the disconnection of the first touch electrode lead 120, but the present invention is not limited thereto. In some embodiments, the disconnection of the first touch electrode lead 120 and the first touch electrode 100 at the connection (for example, at the position of the opening H1) causes the first touch electrode lead 120 to be disconnected and causes the first touch electrode If the fault 100 occurs, the faulty first touch electrode 100 can still be repaired by forming the welding point W.

In this embodiment, the welding point W is formed to repair the faulty first touch electrode 100, but the invention is not limited thereto. In some embodiments, the first touch electrode 100 is operating normally, and the second touch electrode wire 220 is disconnected to cause the second electrode 200 to malfunction. The faulty second electrode 200 can still be repaired by forming a welding point W in this embodiment. .

In this embodiment, a welding point W is formed to weld the first protruding portion 110 of the first touch electrode 100, the second protruding portion 210 of the second touch electrode 200, and the repair structure 300 to make the first touch The first protruding portion 110 of the electrode 100 and the second protruding portion 210 of the second touch electrode 200 are electrically connected to the repair structure 300, but the invention is not limited thereto. In some embodiments, welding points W are formed at the first protruding portion 110 and the second protruding portion 210, respectively. In other words, more than two welding points may be formed to make the first protruding portion 110, the second The second protruding portion 210 of the touch electrode 200 and the repair structure 300 are welded, so that the first protruding portion 110 of the first touch electrode 100, the second protruding portion 210 of the second touch electrode 200, and the repair structure 300 are electrically connected. Sexual connection.

Based on the above, even if the first touch electrode lead 120 and the first touch electrode 100 are disconnected at the connection, the first touch electrode 100 fails, or the second touch electrode lead 220 and the second touch electrode 200 are at the connection. The disconnection causes the second touch electrode 200 to fail, or the first touch electrode wire 120 is disconnected, or the second touch electrode wire 220 is disconnected. The repair structure overlapping the first touch electrode 100 can still be used. 300 to repair the faulty first touch electrode 100 or the second touch electrode 200. Therefore, the probability of successfully repairing the touch array substrate 8 can be improved.

FIG. 9A is a schematic top view of a touch array substrate 9 according to an embodiment of the present invention. FIG. 9B is a schematic cross-sectional view taken along lines AA ', BB', and CC 'of FIG. 9A. It must be explained here that the embodiments of FIG. 9A and FIG. 9B inherit the component numbers and parts of the embodiments of FIG. 7A and FIG. Description of technical content. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

Please refer to FIGS. 9A and 9B. The repair structure 300 is located on the insulating layer GI, and the data line DL, the first touch electrode lead 120, the second touch electrode lead 220, the source S, the drain D, and the repair structure 300 belong to For the same film layer, it can be said that the data line DL, the first touch electrode lead 120, the second touch electrode lead 220, the source S, the drain D, and the repair structure 300 are defined in the same patterning process. .

In this embodiment, the first touch electrode 100 is electrically connected to the first touch electrode lead 120, and the second touch electrode 200 is electrically connected to the second touch electrode lead 220. Neither the first touch electrode 100 nor the second touch electrode 200 failed. The repair structure 300 corresponding to the first touch electrode 100 and / or the second touch electrode 200 that is not faulty is a floating electrode.

FIG. 10 is a schematic top view of a touch array substrate 10 according to an embodiment of the present invention. It must be noted here that the embodiment of FIG. 10 follows the component numbers and parts of the embodiments of FIGS. 9A and 9B, in which the same or similar reference numerals are used to indicate the same or similar components, and the same technical content is omitted. Instructions. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

In this embodiment, the first touch electrode wire 120 of the touch array substrate 10 is disconnected, for example, a disconnection occurs in the defect area DF, which causes the first touch electrode 100 to fail.

The welding point W is formed by laser or other similar means, so that the first protruding portion 110 of the faulty first touch electrode 100, the second protruding portion 210 of the second touch electrode 200, and the repair structure 300 are welded, so that The first protruding portion 110 of the first touch electrode 100 and the second protruding portion 210 of the second touch electrode 200 are electrically connected to the repair structure 300. The faulty first touch electrode 100 is electrically connected to the second touch electrode wire 220 through the repair structure 300 and the second touch electrode 200, so that the second touch electrode wire 220 replaces the disconnected first touch electrode wire 120. Send a signal to the faulty first touch electrode 100.

In this embodiment, the first touch electrode lead 120 is disconnected due to the disconnection of the first touch electrode lead 120, but the present invention is not limited thereto. In some embodiments, the disconnection of the first touch electrode lead 120 and the first touch electrode 100 at the connection (for example, the position of the opening H1) causes the first touch electrode lead 120 to be disconnected and causes the first touch electrode If the fault occurs at 100, the faulty first touch electrode 100 can still be repaired by forming the welding point W in this embodiment.

In this embodiment, the welding point W is formed to repair the faulty first touch electrode 100, but the invention is not limited thereto. In some embodiments, the first touch electrode 100 is operating normally, and the second touch electrode wire 220 is disconnected to cause the second electrode 200 to malfunction. The faulty second electrode 200 can still be repaired by forming a welding point W in this embodiment. .

In this embodiment, a welding point W is formed to weld the first protruding portion 110 of the first touch electrode 100, the second protruding portion 210 of the second touch electrode 200, and the repair structure 300 to make the first touch The first protruding portion 110 of the electrode 100 and the second protruding portion 210 of the second touch electrode 200 are electrically connected to the repair structure 300, but the invention is not limited thereto. In some embodiments, welding points W are formed on the first protruding portion 110 and the second protruding portion 210, respectively. In other words, two or more welding points may be formed to make the first protruding portion 110 and the second touching portion The second protruding portion 210 of the control electrode 200 and the repair structure 300 are welded.

Based on the above, even if the first touch electrode lead 120 and the first touch electrode 100 are disconnected at the connection, the first touch electrode 100 fails, or the second touch electrode lead 220 and the second touch electrode 200 are at the connection. The disconnection causes the second touch electrode 200 to fail, or the first touch electrode wire 120 is disconnected, or the second touch electrode wire 220 is disconnected. The repair structure overlapping the first touch electrode 100 can still be used. 300 to repair the faulty first touch electrode 100 or the second touch electrode 200. Therefore, the probability of successfully repairing the touch array substrate 10 can be increased.

FIG. 11 is a schematic top view of a touch array substrate 11 according to an embodiment of the present invention. It must be noted here that the embodiment of FIG. 11 inherits the component numbers and parts of the embodiment of FIG. 10, wherein the same or similar reference numerals are used to represent the same or similar components, and the description of the same technical content is omitted. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

Please refer to FIG. 11, which is another example of the touch array substrate of FIG. 5A, and FIG. 11 illustrates one of the touch electrodes 10 in FIG. 5A and the upper and lower sides of the touch electrode 10 adjacent to the touch electrode 10. Other touch electrodes are used as illustrations. In the direction D1, the first touch electrode 100 is located between two adjacent second touch electrodes 200A / 200B, and the vertical projections of the two repair structures 300A / 300B on the substrate SB are located on the first touch electrode, respectively. Between the vertical projection of 100 on the substrate SB and the vertical projection of the two second touch electrodes 200A / 200B on the substrate SB. The repair structures 300A / 300B overlap the first protrusions 110A / 110B of the first touch electrode 100, and the repair structures 300A / 300B overlap the second protrusions 210A / 210B of the second touch electrode 200A / 200B. .

In the direction D2, the first touch electrode 100 is located between the other two second touch electrodes 200C / 200D adjacent to it, and the vertical projections of the other two repair structures 300C / 300D on the substrate SB are located on the first touch, respectively. The vertical projection of the control electrode 100 on the substrate SB and the vertical projection of the other two second touch electrodes 200C / 200D on the substrate SB. The repair structure 300C / 300D overlaps the first protrusion 110C / 110D of the first touch electrode 100, and the repair structure 300C / 300D overlaps the second protrusion 210C / 210D of the second touch electrode 200C / 200D. .

Based on the above, even if the first touch electrode lead 120 and the first touch electrode 100 are disconnected at the connection, the first touch electrode 100 fails, or the second touch electrode lead 220 and the second touch electrode 200 are at the connection. The disconnection causes the second touch electrode 200 to fail, or the first touch electrode wire 120 is disconnected, or the second touch electrode wire 220 is disconnected. The repair structure overlapping the first touch electrode 100 can still be used. 300 to repair the faulty first touch electrode 100 or the second touch electrode 200, so the probability of successful repair can be increased.

FIG. 12 is a schematic top view of a touch array substrate 12 according to an embodiment of the present invention. It must be noted here that the embodiment of FIG. 12 inherits the component numbers and parts of the embodiment of FIG. 11, in which the same or similar reference numerals are used to represent the same or similar components, and the description of the same technical content is omitted. For the description of the omitted parts, reference may be made to the foregoing embodiments, and details are not described herein.

Referring to FIG. 12, the first touch electrode wire 120 of the touch array substrate 12 is disconnected, for example, a disconnection occurs in the defect area DF, which causes the first touch electrode 100 to fail.

A laser or other similar means is used to form the welding point W, so that the first protruding portion 110C and the second protruding portion 210C are welded to the repair structure 300C, and the first protruding portion 110C, the second protruding portion 210C and the repair structure are welded 300C electrical connection. The first touch electrode 100 is electrically connected to the second touch electrode 200C through the repair structure 300C, so that the first touch electrode 100 can be repaired by the second touch electrode 200C.

In this embodiment, the first touch electrode lead 120 is disconnected due to the disconnection of the first touch electrode lead 120, but the present invention is not limited thereto. In some embodiments, the disconnection of the first touch electrode lead 120 and the first touch electrode 100 at the connection causes the first touch electrode lead 120 to be disconnected and causes the first touch electrode 100 to fail, which can still be implemented using this implementation. The method of forming the welding point W is used to repair the faulty first touch electrode 100.

In this embodiment, the welding point W is formed at the first protruding portion 110C and the second protruding portion 210C, but the present invention is not limited thereto. In some embodiments, the welding point W is formed on the first protruding portion 110D and the second protruding portion 210D, and the first touch electrode 100 is electrically connected to the second touch electrode 200D through the repair structure 300D. In some embodiments, the welding point W is formed at the first protruding portion 110A and the second protruding portion 210A, and the first touch electrode 100 is electrically connected to the second touch electrode 200A through the repair structure 300A. In some embodiments, the welding point W is formed on the first protruding portion 110B and the second protruding portion 210B, and the first touch electrode 100 is electrically connected to the second touch electrode 200B through the repair structure 300B.

Based on the above, even if the first touch electrode wire 120 and the first touch electrode 100 are disconnected at the connection, which causes the first touch electrode 100 to fail, the repair structure 300 overlapping the first touch electrode 100 can still be used to repair the failure The first touch electrode 100 or the second touch electrode 200 can increase the probability of successfully repairing the touch array substrate 12.

In the touch array substrate of at least one embodiment of the present invention, the first touch electrode is adjacent to the four second touch electrodes. When the first touch electrode is faulty, the repaired structure can be used to electrically connect the faulty first The touch electrode and one of the adjacent second touch electrodes are used to repair the faulty first touch electrode.

In the touch array substrate of at least one embodiment of the present invention, even if the touch electrode wire and the touch electrode are disconnected at the connection point, which causes the touch electrode to fail, the repair structure overlapping the touch electrode can still be used to repair the faulty touch. Control electrodes, which can increase the chance of successfully repairing the touch electrodes.

Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the attached patent application.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12‧‧‧ touch array substrate

100‧‧‧first touch electrode

100a, 200a‧‧‧Edge

110, 110A, 110B, 110C, 110D ‧‧‧ first protrusion

120‧‧‧ the first touch electrode lead

200, 200A, 200B, 200C, 200D‧‧‧Second touch electrode

210, 210A, 210B, 210C, 210D ‧‧‧ second protrusion

220‧‧‧Second touch electrode wire

300, 300A, 300B, 300C, 300D

310‧‧‧ Part I

320‧‧‧ Part Two

330‧‧‧Straight segment

D‧‧‧ Drain

D1, D2, D3 ‧‧‧ direction

DF‧‧‧ Defective area

DL‧‧‧Data Line

DR‧‧‧Drive element

E‧‧‧Touch electrode

G‧‧‧Gate

GI‧‧‧Insulation

H1, H2, H3, H4, H5, H6, H7, O, O ', O2 ‧‧‧ opening

M‧‧‧channel

O1‧‧‧ slit

P1, P2, P3 ‧‧‧ insulation layer

PE‧‧‧Pixel electrode

R‧‧‧Touch electrode lead

S‧‧‧Source

SB‧‧‧ substrate

SL‧‧‧scan line

T‧‧‧switching element

U‧‧‧ groove

W‧‧‧ Welding point

WR‧‧‧ Welding area

FIG. 1A is a schematic top view of a touch array substrate according to an embodiment of the present invention. FIG. 1B is a schematic cross-sectional view taken along line AA ', BB', and CC 'of FIG. 1A. FIG. 2 is a schematic top view of a touch array substrate according to an embodiment of the present invention. 3A is a schematic top view of a touch array substrate according to an embodiment of the present invention. FIG. 3B is a schematic cross-sectional view taken along line AA ', BB', and CC 'of FIG. 3A. FIG. 4 is a schematic top view of a touch array substrate according to an embodiment of the present invention. 5A is a schematic top view of a touch array substrate according to an embodiment of the present invention. 5B is a schematic top view of a touch array substrate according to an embodiment of the present invention. 5C is a schematic top view of a touch array substrate according to an embodiment of the present invention. FIG. 6 is a schematic top view of a touch array substrate according to an embodiment of the present invention. FIG. 7A is a schematic top view of a touch array substrate according to an embodiment of the present invention. FIG. 7B is a schematic cross-sectional view taken along lines AA ', BB', and CC 'of FIG. 7A. FIG. 8 is a schematic top view of a touch array substrate according to an embodiment of the present invention. FIG. 9A is a schematic top view of a touch array substrate according to an embodiment of the invention. FIG. 9B is a schematic cross-sectional view taken along lines AA ', BB', and CC 'of FIG. 9A. FIG. 10 is a schematic top view of a touch array substrate according to an embodiment of the present invention. FIG. 11 is a schematic top view of a touch array substrate according to an embodiment of the present invention. FIG. 12 is a schematic top view of a touch array substrate according to an embodiment of the present invention.

Claims (16)

A touch array substrate includes: a substrate; a plurality of switching elements located on the substrate; a plurality of pixel electrodes respectively electrically connected to corresponding switching elements; a first touch electrode and a second touch The electrodes are respectively overlapped with some of the pixel electrodes in a direction perpendicular to the substrate, and the first touch electrode has a first protruding portion adjacent to an edge of the second touch electrode; a first touch electrode A wire and a second touch electrode wire overlap the first touch electrode and the second touch electrode respectively in a direction perpendicular to the substrate, wherein the first touch electrode wire and the second touch electrode wire At least one of them is electrically connected to the corresponding first touch electrode or the second touch electrode; and a repair structure, the vertical projection of the repair structure on the substrate is located between the first touch electrode and the second The touch electrode is vertically projected on the substrate, and the repair structure partially overlaps the first touch electrode and the second touch electrode, respectively. The touch array substrate according to item 1 of the application, wherein the second touch electrode is electrically connected to the repair structure and the second touch electrode wire. The touch array substrate according to item 1 of the patent application scope further includes: a plurality of scanning lines and a plurality of data lines, which are electrically connected to the switching elements, respectively, wherein the data lines and the first touch electrode The wires, the second touch electrode wires, and the repair structure belong to the same film layer. The touch array substrate according to item 3 of the scope of patent application, wherein the first touch electrode is electrically connected to the first touch electrode wire, and the first touch electrode is electrically separated from the repair structure. The touch array substrate according to item 2 of the scope of patent application, wherein the first protruding portion of the first touch electrode is electrically connected to the repair structure. The touch array substrate according to item 2 of the scope of patent application, further comprising: a plurality of scan lines and a plurality of data lines, which are electrically connected to the switching elements, respectively, wherein the scan lines, the data lines, and the The repair structure belongs to different film layers. The touch array substrate according to item 6 of the application, wherein the first touch electrode is electrically connected to the first touch electrode wire, and the first touch electrode is electrically separated from the repair structure. The touch array substrate according to item 6 of the scope of patent application, wherein the first protruding portion of the first touch electrode is electrically connected to the repair structure, and the repair structure is electrically connected to the second touch electrode. . The touch array substrate according to item 1 of the application, wherein an edge of the second touch electrode adjacent to the first touch electrode includes a second protrusion, and the repair structure is in a direction perpendicular to the substrate. Overlapping on the first protrusion and the second protrusion. The touch array substrate according to item 9 of the scope of patent application, wherein the repair structure and the pixel electrodes belong to the same film layer. The touch array substrate according to item 10 of the application, wherein the first touch electrode is electrically connected to the first touch electrode wire, and the second touch electrode and the second touch electrode wire are electrically connected. Connected, and the repair structure is a floating electrode. According to the touch array substrate of claim 10, wherein the first protruding portion and the second protruding portion are electrically connected to the repair structure. The touch array substrate according to item 9 of the scope of patent application, further comprising: a plurality of scanning lines and a plurality of data lines, which are electrically connected to the switching elements, respectively, wherein the data lines and the first touch electrode The wires, the second touch electrode wires, and the repair structure belong to the same film layer. The touch array substrate according to item 13 of the application, wherein the first touch electrode is electrically connected to the first touch electrode wire, and the second touch electrode is electrically connected to the second touch electrode wire. Connected, and the repair structure is a floating electrode. The touch array substrate according to item 13 of the scope of the patent application, wherein the first protruding portion and the second protruding portion are electrically connected to the repair structure. The touch array substrate according to item 1 of the patent application scope further includes: a plurality of scanning lines and a plurality of data lines, which are electrically connected to the switching elements, respectively, wherein: in the extending direction of the data lines, The first touch electrode is located between two adjacent second touch electrodes, and the vertical projections of the two repair structures on the substrate are respectively located on the vertical projection of the first touch electrode on the substrate and the two Two second touch electrodes are vertically projected on the substrate; and in the extending direction of the scanning lines, the first touch electrodes are located between two adjacent second touch electrodes, and The vertical projections of the two repair structures on the substrate are respectively located between the vertical projection of the first touch electrode on the substrate and the vertical projections of the other two second touch electrodes on the substrate.