WO2021189274A1 - 触摸基板及触摸显示装置 - Google Patents

触摸基板及触摸显示装置 Download PDF

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Publication number
WO2021189274A1
WO2021189274A1 PCT/CN2020/080986 CN2020080986W WO2021189274A1 WO 2021189274 A1 WO2021189274 A1 WO 2021189274A1 CN 2020080986 W CN2020080986 W CN 2020080986W WO 2021189274 A1 WO2021189274 A1 WO 2021189274A1
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WIPO (PCT)
Prior art keywords
touch
base substrate
orthographic projection
substrate
touch electrode
Prior art date
Application number
PCT/CN2020/080986
Other languages
English (en)
French (fr)
Inventor
谢晓冬
何敏
王静
庞斌
张新秀
赵雪
Original Assignee
京东方科技集团股份有限公司
合肥鑫晟光电科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 京东方科技集团股份有限公司, 合肥鑫晟光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to CN202080000348.4A priority Critical patent/CN113728296B/zh
Priority to PCT/CN2020/080986 priority patent/WO2021189274A1/zh
Priority to US17/254,649 priority patent/US11500505B2/en
Publication of WO2021189274A1 publication Critical patent/WO2021189274A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/40—OLEDs integrated with touch screens
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

Definitions

  • the present disclosure relates to the field of touch technology, and in particular to a touch substrate and a touch display device.
  • the touch display device As an intelligent human-computer interaction interface product, the touch display device has been applied more and more widely in social production and life, especially in the field of electronic products (such as smart phones, tablet computers, etc.).
  • electronic products such as smart phones, tablet computers, etc.
  • touch display device technologies mainly including resistive type, capacitive type, infrared type, surface acoustic wave type and so on. Based on the characteristics of responsiveness, support for multi-touch, long life, etc., capacitive touch display devices have been widely used in social production and life.
  • the first touch electrode layer is located on one side of the base substrate.
  • the first touch electrode layer includes a plurality of grid-shaped first touch electrodes arranged at intervals. Extend in one direction;
  • the first insulating layer is located on the side of the first touch electrode layer away from the base substrate;
  • the second touch electrode layer is located on the side of the first insulating layer away from the base substrate.
  • the second touch electrode layer includes a plurality of grid-shaped second touch electrodes spaced apart from each other.
  • the second touch electrode extends along the second direction;
  • the second insulating layer is located on a side of the second touch electrode layer away from the base substrate, and the second insulating layer has a plurality of connection through holes;
  • the signal line layer is located on the side of the second insulating layer away from the base substrate.
  • the signal line layer includes a plurality of second signal transmission lines; wherein one of the plurality of second touch electrodes passes through the At least one of the plurality of connection vias is electrically connected to at least one of the plurality of second signal transmission lines;
  • the orthographic projection of the first touch electrode on the base substrate and the orthographic projection of the second touch electrode on the base substrate have a plurality of first intersections, of which one of the first intersections Correspondingly, one connection through hole is provided, and the orthographic projection of the connection through hole on the base substrate and the first intersection has an overlapping area on the orthographic projection of the base substrate;
  • the first touch electrode located at the first intersection has a shadow elimination structure; the orthographic projection of the shadow elimination structure on the base substrate covers the orthographic projection of the connection via on the base substrate.
  • the de-sharpening structure includes: a first planar structure; wherein the first planar structure and the first touch electrode are provided in the same layer, and the first planar structure The line width of the touch electrode in the area where the first planar structure is located is greater than the line width of the first touch electrode in the remaining areas;
  • the orthographic projection of the first planar structure on the base substrate covers the orthographic projection of the connection through hole on the base substrate.
  • the anti-shading structure further includes: a strip-shaped first conductive portion; wherein the first conductive portion and the first planar structure are provided in the same layer;
  • the orthographic projection of the first conductive portion on the base substrate and the orthographic projection of the first planar structure on the base substrate are intersected.
  • the orthographic projection of the second touch electrode on the base substrate covers the orthographic projection of the first conductive portion on the base substrate.
  • the orthographic projection of the first conductive portion on the base substrate is The grids other than the grids of the electrodes are not in contact with the orthographic projection of the base substrate.
  • the orthographic projection of the first touch electrode on the base substrate and the orthographic projection of the second touch electrode on the base substrate have a plurality of second intersections.
  • the orthographic projection of the second intersection on the base substrate and the orthographic projection of the connection through hole on the base substrate do not overlap;
  • the touch substrate further includes: a plurality of second planar structures arranged in the same layer as the first touch electrode; wherein, one of the second intersections on the orthographic projection of the base substrate and one of the first The dihedral structure has an overlapping area on the orthographic projection of the base substrate.
  • the orthographic projection of the first planar structure on the base substrate and the orthographic projection of the second planar structure on the base substrate are approximately the same in shape and size .
  • the touch substrate further includes: a plurality of strip-shaped second conductive portions arranged in the same layer as the first touch electrode; wherein, one of the second intersections is The orthographic projection of the base substrate overlaps the orthographic projection of the second planar structure on the base substrate.
  • the orthographic projection of the second touch electrode on the base substrate covers the orthographic projection of the second conductive portion on the base substrate.
  • the orthographic projection of the second conductive portion on the base substrate and the orthographic projection of the first conductive portion on the base substrate do not overlap.
  • each of the first conductive portions and each of the second conductive portions are directly electrically connected;
  • the orthographic projections of all the first conductive portions and the second conductive portions on the base substrate are located on the orthographic projections of the second touch electrodes on the base substrate Inside.
  • the touch display device provided by the embodiment of the present disclosure includes the above-mentioned touch substrate.
  • it further includes: a display panel;
  • the touch substrate is located on the light emitting side of the display panel, wherein the base substrate is located on the side of the signal line layer away from the display panel.
  • the display panel includes at least one of a liquid crystal display panel and an electroluminescence display panel.
  • it further includes: an electroluminescent display panel, the electroluminescent display panel including an encapsulation layer;
  • the touch substrate is located on the light emitting side of the electroluminescent display panel, wherein the base substrate is the encapsulation layer, and the signal line layer is located on the side of the base substrate away from the electroluminescent display panel .
  • FIG. 1 is a schematic diagram of the structure of some touch substrates provided by the embodiments of the disclosure.
  • FIG. 2 is a schematic diagram of a partial structure of some touch substrates provided by embodiments of the disclosure.
  • FIG. 3 is a schematic diagram of the structure of the touch substrate shown in FIG. 2 along the AA' direction;
  • FIG. 4 is a schematic diagram of a partial structure of some first touch electrodes provided by the embodiments of the disclosure.
  • FIG. 5 is a schematic diagram of a partial structure of still other touch substrates provided by the embodiments of the present disclosure.
  • FIG. 6a is a schematic diagram of the structure of the first touch electrode in the touch substrate shown in FIG. 5;
  • FIG. 6b is a schematic diagram of the structure of the touch substrate shown in FIG. 5 along the AA' direction;
  • FIG. 7 is a schematic diagram of a partial structure of still other touch substrates provided by the embodiments of the present disclosure.
  • FIG. 8a is a schematic diagram of the structure of the first touch electrode in the touch substrate shown in FIG. 7;
  • FIG. 8b is a schematic diagram of the structure of the touch substrate shown in FIG. 7 along the AA' direction;
  • FIG. 9 is a schematic diagram of a partial structure of still other touch substrates provided by the embodiments of the present disclosure.
  • FIG. 10a is a schematic structural diagram of some touch display devices provided by embodiments of the present disclosure.
  • FIG. 10b is a schematic structural diagram of still other touch display devices provided by the embodiments of the present disclosure.
  • FIG. 11 is a schematic structural diagram of still other touch display devices provided by the embodiments of the disclosure.
  • touch substrates can be divided into capacitive, resistive, infrared, and surface acoustic wave types according to their working principles.
  • capacitive touch substrates include mutual capacitive touch substrates and self-capacitance touch substrates.
  • the mutual capacitance type touch substrate may include a plurality of first touch electrodes and a plurality of second touch electrodes. In this way, the mutual capacitance formed between the first touch electrodes and the second touch electrodes can be used.
  • the first touch electrode extends along the F1 direction
  • the second touch electrode extends along the F2 direction.
  • the first touch electrode is connected to a driving IC (Integrated Circuit, integrated circuit) through a sensing signal line
  • the second touch electrode is connected to a driving IC (Integrated Circuit, integrated circuit) through a driving signal line.
  • the driving signal line and the second touch electrode need to be electrically connected through the connection through hole.
  • an insulating layer made of organic material is generally arranged between the layer where the driving signal line is located and the layer where the second touch electrode is located, the size of the connection via is relatively large (for example, greater than 20 ⁇ m) due to the limitation of the process preparation conditions and the characteristics of the organic material. ), resulting in the afterimage of the connection vias that can be seen outside.
  • the embodiments of the present disclosure provide some touch substrates, which can improve the problem of image retention of the connection vias and achieve an image elimination effect.
  • the touch substrate provided by the embodiments of the present disclosure, as shown in FIGS. 1 to 3, may include:
  • the first touch electrode layer 100 is located on the side of the base substrate 10.
  • the first touch electrode layer 100 includes a plurality of grid-shaped first touch electrodes 110 arranged at intervals. Extend in direction F1;
  • the first insulating layer 410 is located on the side of the first touch electrode layer 100 away from the base substrate 10;
  • the second touch electrode layer 200 is located on the side of the first insulating layer 410 away from the base substrate 10.
  • the second touch electrode layer 200 includes a plurality of grid-shaped second touch electrodes 210 spaced apart from each other.
  • the control electrode 210 extends along the second direction F2;
  • the second insulating layer 420 is located on the side of the second touch electrode layer 200 away from the base substrate 10, and the second insulating layer 420 has a plurality of connection through holes 510;
  • the signal line layer 300 is located on the side of the second insulating layer 420 away from the base substrate 10.
  • the signal line layer 300 includes a plurality of second signal transmission lines 320; wherein, one of the plurality of second touch electrodes 210 is connected through a plurality of connections. At least one of the holes 510 is electrically connected to at least one of the plurality of second signal transmission lines 320;
  • the orthographic projection of the first touch electrode 110 on the base substrate 10 and the orthographic projection of the second touch electrode 210 on the base substrate 10 have a plurality of first intersections, and one of the first intersections corresponds to a connection through hole. 510, and the orthographic projection of the connection through hole 510 on the base substrate 10 and the first intersection of the orthographic projection on the base substrate 10 have an overlapping area;
  • the first touch electrode 110 at the first intersection has a shadow elimination structure 610; the orthographic projection of the shadow elimination structure 610 on the base substrate 10 covers the orthographic projection of the connection via 510 on the base substrate 10.
  • the first touch electrode 110 located at the first intersection is provided with a shadow elimination structure 610, and the orthographic projection of the shadow elimination structure 610 on the base substrate 10 covers the connection through hole 510.
  • the orthographic projection of the base substrate 10 when the user touches the substrate when viewing from the side of the base substrate 10 away from the signal line layer 300, the image of the connection via 510 can be blocked by the shadow elimination structure 610, thereby improving the connection.
  • the afterimage problem of hole 510 when the user touches the substrate when viewing from the side of the base substrate 10 away from the signal line layer 300, the image of the connection via 510 can be blocked by the shadow elimination structure 610, thereby improving the connection.
  • the afterimage problem of hole 510 when the user touches the substrate when viewing from the side of the base substrate 10 away from the signal line layer 300, the image of the connection via 510 can be blocked by the shadow elimination structure 610, thereby improving the connection.
  • the afterimage problem of hole 510 when the user touches the substrate when viewing from the side of the base substrate 10 away from the signal
  • the first touch electrodes 110 are arranged in a grid shape, the first touch electrodes 110 can be more uniformly arranged on the base substrate 10, and the shadow elimination structure 610 and the first touch electrodes 110 are arranged in an integrated structure Therefore, the user can not easily perceive the pattern of the shadow elimination structure 610, and the shadow elimination effect can be achieved.
  • the first touch electrode 110 located at the first intersection is provided with the shadow elimination structure 610, so that the first touch electrode 110 and the shadow elimination structure 610 are arranged in the same layer to achieve Integrated structure, which eliminates the need for additional film layers.
  • the thickness of the touch substrate in the direction perpendicular to the plane where the base substrate 10 is located can be reduced.
  • the touch substrate provided by the embodiment of the present disclosure is applied to a touch display device, the thickness of the touch display device can be reduced.
  • a general touch display panel has a display area.
  • the touch substrate is provided with an effective touch area TB corresponding to the display area, and the effective touch area TB is provided with The first touch electrode 110 and the second touch electrode 210.
  • the effective touch area TB can be made to cover the display area, so that the display area can realize the touch function.
  • the orthographic projection of the first intersection on the base substrate 10 and the orthographic projection of the connection through hole 510 on the base substrate 10 have an overlapping area, that is, a first intersection.
  • a connection through hole 510 is correspondingly provided at the location.
  • the grid points of the grid pattern of the first touch electrode 110 are projected on the base substrate 10 and the second touch electrode
  • the grid points of the grid pattern 210 do not overlap in the orthographic projection of the base substrate 10.
  • the overlap area between the orthographic projection of the grid pattern of the first touch electrode 110 on the base substrate 10 and the orthographic projection of the grid pattern of the second touch electrode 210 on the base substrate 10 can be reduced.
  • the influence of the first touch electrode 110 and the second touch electrode 210 on the display can be reduced, and the display effect can be improved.
  • one second touch electrode 210 may be electrically connected to at least one second signal transmission line 320 correspondingly.
  • one second touch electrode 210 may be electrically connected to three second signal transmission lines 320 correspondingly.
  • one second touch electrode 210 may be electrically connected to one, four or more second signal transmission lines 320 correspondingly.
  • it can be designed and determined according to actual application requirements, which is not limited here.
  • the touch substrate may further include a plurality of first signal transmission lines.
  • one first touch electrode 110 may be electrically connected to at least one first signal transmission line.
  • one first touch electrode 110 may be electrically connected to one second signal transmission line 320 correspondingly.
  • one first touch electrode 110 may be electrically connected to two, three, four, or more first signal transmission lines.
  • it can be designed and determined according to actual application requirements, which is not limited here.
  • the touch substrate may further include a binding area, and the binding area has a plurality of first binding terminals and a plurality of second binding terminals. .
  • the first bonding terminal and the second bonding terminal are bonded to the driving IC.
  • one first signal transmission line is electrically connected to one first binding terminal
  • one second signal transmission line 320 is electrically connected to one second binding terminal.
  • the driver IC can perform signal transmission between the first bonding terminal, the first signal transmission line and the first touch electrode 110, and the driver IC can be transmitted through the second bonding terminal, the second signal transmission line 320 and the second touch control electrode. Signal transmission is performed between the electrodes 210.
  • the first touch electrodes 110 may extend along the first direction F1 and are arranged along the second direction F2.
  • the second touch electrodes 210 extend along the second direction F2, and are arranged in the first direction F1.
  • the first direction F1 may be the column direction of the sub-pixels in the touch display panel
  • the second direction F2 may be the row direction of the sub-pixels in the touch display panel.
  • the first direction F1 and the second direction F2 can be set according to actual application requirements, which are not limited here.
  • the first signal transmission line 310 and the second signal transmission line 320 may extend along the first direction F1.
  • the first signal transmission line 310 and the second signal transmission line 320 can be provided according to the requirements of the actual application, which is not limited here.
  • the erasing structure 610 may include: a first planar structure 611; wherein the first planar structure 611 and the first touch electrode 110 It is arranged in the same layer, and the line width of the first touch electrode 110 in the area where the first planar structure 611 is located is greater than the line width of the first touch electrode 110 in the remaining areas.
  • the orthographic projection of the first planar structure 611 on the base substrate 10 covers the orthographic projection of the connection via 510 on the base substrate 10.
  • the position corresponding to the connection through hole 510 in the first touch electrode 110 can be thickened to form the first planar structure 611, so that the connection through hole 510 can be shielded by the first planar structure 611, thereby achieving Subtractive effect.
  • the area of the first planar structure 611 can be designed and determined according to actual application requirements, and is not limited here.
  • the line width of the first touch electrode 110 may refer to the width of the grid lines of the first touch electrode 110 in a grid shape.
  • the width of the grid lines of the first touch electrode 110 and the width of the grid lines of the second touch electrode 210 may be approximately the same or different, and the width of the grid lines may be based on actual applications. The requirements are determined by design and are not limited here.
  • the touch substrate and the display panel can be combined, that is, the first touch electrode and the second touch electrode can be arranged in the display area of the display panel, so that the display area of the display panel can realize the touch function.
  • the large-size touch substrate has high requirements on the resistance of the first touch electrode 110 and the second touch electrode 210.
  • the material of the first touch electrode 110 and the second touch electrode 210 may be set to a metal material. For example, gold, silver, aluminum, etc. are not limited here.
  • the shape of the orthographic projection of the first planar structure 611 on the base substrate 10 can be roughly set to a rectangle.
  • the shape of the orthographic projection of the first planar structure 611 on the base substrate 10 can be set according to the requirements of the actual application, which is not limited here.
  • the grid-like pattern of the first touch electrode 110 and the grid-like pattern of the second touch electrode 210 may be formed by a patterning process, respectively.
  • the above-mentioned patterning process may include a photolithography process and an etching process; the photolithography process refers to a process of forming a pattern using photoresist, mask, exposure machine, etc., including film formation, exposure, development and other processes.
  • the grid pattern of the first touch electrode 110 is formed as an example. As shown in FIG.
  • the exposure The problem of diffraction causes the area XB at the intersection of the grid-like pattern of the first touch electrode 110 to be formed to produce a rectangular-like metal block. Since the grid-like pattern of the first touch electrode 110 is evenly distributed in the touch area TB, the rectangular-like metal blocks generated above can also be evenly distributed in the touch area TB, so that the metal blocks are not easily The human eye can detect it, and the afterimage problem caused by these metal blocks can be ignored. In other words, the influence of these metal blocks on the display effect is negligible, and the setting has no influence. In addition, the arrangement of the second touch electrode 210 is the same, and will not be repeated here. It should be noted that Figures 1 and 2 do not illustrate metal blocks.
  • the erasing structure 610 may further include: a plurality of strip-shaped first conductive portions 810; wherein, the first conductive portions 810 may be connected to each other.
  • the first planar structure 611 is arranged in the same layer.
  • the orthographic projection of the first conductive portion 810 on the base substrate 10 and the orthographic projection of the first planar structure 611 on the base substrate 10 are intersected.
  • the first conductive portion 810 that crosses the grid line can be provided at the position where the grid line of the original first touch electrode 110 corresponds to the connection through hole 510, so that the problem of exposure and diffraction can be used in the first touch
  • a metal block is formed at a position where the electrode 110 and the first conductive portion 810 intersect, so that the formed metal block serves as the first planar structure 611 in the embodiment of the present disclosure.
  • the first planar structure 611 can be formed without changing the usual manufacturing process flow.
  • the area of the first planar structure 611 formed by setting the first conductive portion 810 can be designed and determined according to the requirements of the actual application, which is not limited herein.
  • the orthographic projection of the second touch electrode 210 on the base substrate 10 can be made to cover the orthographic projection of the first conductive portion 810 on the base substrate 10. In this way, the influence of the first conductive portion 810 on the display can be reduced.
  • the orthographic projection of the first conductive portion 810 on the base substrate 10 and the removal of the first The grids other than the grid of the first touch electrode 110 contacted by the conductive portion 810 are not in contact with the orthographic projection of the base substrate 10.
  • the first conductive portion 810 can be in direct contact with the grid of the first touch electrode 110 where it is located, and the first conductive portion 810 can be incompatible with the grids other than the grid of the first touch electrode 110 where it is located. Contact, so that the first conductive part 810 can be provided only at the first intersection.
  • the orthographic projection of the first touch electrode 110 on the base substrate 10 and the orthographic projection of the second touch electrode 210 on the base substrate 10 There are a plurality of second intersections; wherein, the orthographic projection of the second intersection on the base substrate 10 and the orthographic projection of the connection through hole 510 on the base substrate 10 do not overlap. In other words, the connection via 510 is not correspondingly provided at the second intersection.
  • FIGS. 5 to 8b the orthographic projection of the first touch electrode 110 on the base substrate 10 and the orthographic projection of the second touch electrode 210 on the base substrate 10 do not overlap.
  • the connection via 510 is not correspondingly provided at the second intersection.
  • the touch substrate may further include: a plurality of second planar structures 612 arranged in the same layer as the first touch electrode 110; among them, a second intersection is on the base substrate 10
  • the orthographic projection and the orthographic projection of the second planar structure 612 on the base substrate 10 have an overlapping area.
  • first intersection and the second intersection are both the intersection of the first touch electrode 110 and the second touch electrode 210, and the intersection of the first touch electrode 110 and the second touch electrode 210 is uniformly arranged, therefore
  • the first planar structure 611 at the first intersection and the second planar structure 612 at the second intersection the first planar structure 611 and the second planar structure 612 can be uniformly periodic Is distributed in the effective touch area, so that the first planar structure 611 can be further imperceptible to human eyes, and the de-shading effect can be further improved.
  • the orthographic projection of the first planar structure 611 on the base substrate 10 and the orthographic projection of the second planar structure 612 on the base substrate 10 can be made.
  • the shape and size of the orthographic projection are roughly the same.
  • the first planar structure 611 and the second planar structure 612 can be further uniformly and periodically distributed in the effective touch area, so that the first planar structure 611 can be further imperceptible to the human eye, and further Improve the de-shading effect.
  • the touch substrate may further include: a plurality of strip-shaped second conductive portions 820 arranged in the same layer as the first touch electrode 110; wherein , The orthographic projection of a second intersection on the base substrate 10 overlaps with the orthographic projection of a second planar structure 612 on the base substrate 10.
  • the second conductive portion 820 that crosses the grid line can be provided at the grid line of the original first touch electrode 110 corresponding to the second intersection, so that the problem of exposure and diffraction can be used to connect the first touch electrode 110 and A metal block is formed at a position where the second conductive portion 820 intersects, so that the formed metal block serves as the second planar structure 612 in the embodiment of the present disclosure.
  • the second planar structure 612 can be formed without changing the usual manufacturing process flow.
  • the area of the second planar structure 612 formed by setting the second conductive portion 820 can be designed and determined according to the requirements of the practical application, which is not limited here.
  • the orthographic projection of the second touch electrode 210 on the base substrate 10 can be made to cover the orthographic projection of the second conductive portion 820 on the base substrate 10. In this way, the influence of the second conductive part 820 on the display can be reduced.
  • the orthographic projection of the second conductive portion 820 on the base substrate 10 and the orthographic projection of the first conductive portion 810 on the base substrate 10 may not overlap. . In this way, the first conductive portion 810 and the second conductive portion 820 can be spaced apart.
  • each first conductive portion 810 and each second conductive portion may be directly electrically connected.
  • the orthographic projections of all the first conductive portions 810 and the second conductive portions on the base substrate 10 are located within the orthographic projections of the second touch electrodes 210 on the base substrate 10. In this way, the influence of the second conductive part 820 on the display can be reduced.
  • the above-mentioned features are not completely the same, and there may be some deviations. Therefore, the same relationship between the above-mentioned features as long as the above-mentioned conditions are substantially satisfied. That is, all belong to the protection scope of the present disclosure.
  • the above-mentioned sameness may be the same as allowed within the allowable error range.
  • the touch display device provided by the embodiment of the present disclosure includes the above-mentioned touch substrate provided by the embodiment of the present disclosure.
  • the principle of solving the problem of the touch display device is similar to that of the aforementioned touch substrate. Therefore, the implementation of the touch display device can refer to the implementation of the aforementioned touch substrate, and the repetitive parts will not be repeated here.
  • the touch substrate is the above-mentioned touch substrate.
  • the base substrate 10 is located on the side of the signal line layer 300 away from the display panel.
  • a third insulating layer 430 is also provided between the signal line layer 300 and the display panel 20. It should be noted that, for the structure and working principle of the touch substrate, reference may be made to the above-mentioned embodiments of the touch substrate, and details are not repeated here.
  • the above-mentioned first insulating layer, second insulating layer, and third insulating layer may be made of inorganic materials or organic materials.
  • the above-mentioned second insulating layer is made of an organic material, due to the characteristics of the organic material and the limitation of the process conditions, the size of the connection via is relatively large.
  • the connection via can achieve the shadow elimination effect.
  • the display panel may include: a plurality of pixel units arranged in an array in the display area.
  • Each pixel unit includes a plurality of sub-pixels.
  • the pixel unit may include a red sub-pixel, a green sub-pixel, and a blue sub-pixel. In this way, red, green and blue can be mixed to achieve color display.
  • the pixel unit may also include red sub-pixels, green sub-pixels, blue sub-pixels, and white sub-pixels. In this way, red, green, blue and white can be mixed to achieve color display.
  • the light-emitting color of the sub-pixels in the pixel unit can be designed and determined according to the actual application environment, which is not limited here.
  • the touch substrate and the display panel can be bonded by glue to form a complete touch display device.
  • users generally view the touch display device on the side of the substrate substrate 10 away from the display panel. Since in the embodiment of the present disclosure, the shadow elimination structure 610 is provided, the shadow elimination effect can be achieved.
  • the above-mentioned display panel can be an electric Luminescent display panel.
  • the sub-pixels in the electroluminescent display panel may include electroluminescent diodes and a driving circuit for driving the electroluminescent diodes to emit light.
  • the electroluminescent diode includes an anode, a light-emitting layer, and a cathode that are stacked.
  • the electroluminescent diode may include at least one of OLED and QLED.
  • a general driving circuit may include multiple transistors such as a driving transistor, a switching transistor, and a storage capacitor. The specific structure and working principle of the driving circuit may be the same as those in the prior art, and will not be repeated here.
  • Liquid crystal display (LCD) panels have the characteristics of light and thin appearance, power saving, and non-radiation, and have been widely used.
  • the working principle of the LCD panel is to change the arrangement state of the liquid crystal molecules in the liquid crystal layer by changing the voltage difference between the two ends of the liquid crystal layer, so as to change the light transmittance of the liquid crystal layer to display images.
  • the display panel may be a liquid crystal display panel.
  • the sub-pixel may include a pixel electrode on the array substrate and a thin film transistor (TFT) electrically connected to the pixel electrode.
  • TFT thin film transistor
  • gate lines for transmitting gate scan signals and data lines for transmitting data signals are also provided on the array substrate.
  • the gate scan signal is input to the TFT through the gate line to control the TFT to turn on, so that the data signal transmitted on the data line is input to the pixel electrode, the pixel electrode is input voltage, and then the liquid crystal molecules are driven to rotate to display an image.
  • the touch display device may further include: an electroluminescent display panel 30.
  • the electroluminescent display panel 30 may include an encapsulation layer configured to encapsulate the electroluminescent diodes in the electroluminescent display panel, so as to prevent the electroluminescent diodes from being adversely affected by external water and oxygen.
  • the touch substrate may be located on the light-emitting side of the electroluminescent display panel 30, and the signal line layer 300 may be located on the base substrate 10 away from the electroluminescent display panel 30.
  • the base substrate 10 can be used as an encapsulation layer, so that the electroluminescent display panel 30 can be packaged through the base substrate 10 to prevent the external water and oxygen from adversely affecting the electroluminescent diode.
  • the thickness of the touch display device can also be reduced.
  • the touch display device provided by the embodiment of the present disclosure may be a full-screen mobile phone as shown in FIG. 11.
  • the touch display device provided by the embodiments of the present disclosure can also be any product or component with display function, such as a tablet computer, a TV, a display, a notebook computer, a digital photo frame, a navigator, and so on.
  • Other indispensable components of the touch display device are understood by those of ordinary skill in the art, and will not be repeated here, nor should they be used as a limitation to the present disclosure.
  • the first touch electrode located at the first intersection is provided with an erasing structure
  • the orthographic projection of the erasing structure on the base substrate covers the connection through hole in the liner.
  • the orthographic projection of the base substrate so that when the user touches the substrate when viewing from the side of the base substrate away from the signal line layer, the image of the connection through hole can be blocked by the shadow elimination structure, thereby improving the problem of image retention of the connection through hole.
  • the first touch electrodes are arranged in a grid shape, the first touch electrodes can be arranged on the base substrate more uniformly, and the anti-imaging structure and the first touch electrodes are arranged as an integrated structure, so that the user can It is also not easy to perceive the pattern of the de-shadow structure, and the de-shadow effect can be realized.

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Abstract

本公开实施例提供的触摸基板及触摸显示装置，其中，触摸基板包括：衬底基板；第一触控电极层，第一绝缘层，第二触控电极层，第二绝缘层，信号线层。信号线层包括多条第二信号传输线；其中，多条第二触控电极中的一条通过多个连接通孔中的至少一个与多条第二信号传输线中的至少一条电连接；第一触控电极在衬底基板的正投影和第二触控电极在衬底基板的正投影具有多个第一交叉处，其中，一个第一交叉处对应设置一个连接通孔，且连接通孔在衬底基板的正投影与第一交叉处在衬底基板的正投影具有交叠区域；位于第一交叉处的第一触控电极具有消影结构；消影结构在衬底基板的正投影覆盖连接通孔在衬底基板的正投影。

Description

触摸基板及触摸显示装置 技术领域
本公开涉及触控技术领域，特别涉及触摸基板及触摸显示装置。
背景技术
触摸显示装置作为一种智能化的人机交互界面产品，已经在社会生产和生活中应用范围越来越广泛，尤其在电子产品领域(如智能手机、平板电脑等领域)中发展最为迅速。触摸显示装置技术种类繁多，主要包括电阻式、电容式、红外式、表声波式等。基于反应灵敏、支持多点触控、寿命长等特性，电容式触摸显示装置已广泛应用于社会生产和生活中。
发明内容
本公开实施例提供的触摸基板，包括：
衬底基板；
第一触控电极层，位于所述衬底基板一侧，所述第一触控电极层包括相互间隔设置的多条网格状的第一触控电极，所述第一触控电极沿第一方向延伸；
第一绝缘层，位于所述第一触控电极层背离所述衬底基板一侧；
第二触控电极层，位于所述第一绝缘层背离所述衬底基板一侧，所述第二触控电极层包括相互间隔设置的多条网格状的第二触控电极，所述第二触控电极沿第二方向延伸；
第二绝缘层，位于所述第二触控电极层背离所述衬底基板一侧，且所述第二绝缘层具有多个连接通孔；
信号线层，位于所述第二绝缘层背离所述衬底基板一侧，所述信号线层包括多条第二信号传输线；其中，所述多条第二触控电极中的一条通过所述多个连接通孔中的至少一个与所述多条第二信号传输线中的至少一条电连接；
所述第一触控电极在所述衬底基板的正投影和所述第二触控电极在所述衬底基板的正投影具有多个第一交叉处，其中，一个所述第一交叉处对应设置一个所述连接通孔，且所述连接通孔在所述衬底基板的正投影与所述第一交叉处在所述衬底基板的正投影具有交叠区域；
位于所述第一交叉处的第一触控电极具有消影结构；所述消影结构在所述衬底基板的正投影覆盖所述连接通孔在所述衬底基板的正投影。
可选地，在本公开实施例中，所述消影结构包括：第一面状结构；其中，所述第一面状结构与所述第一触控电极同层设置，且所述第一触控电极在所述第一面状结构所在区域的线宽大于所述第一触控电极在其余区域的线宽；
所述第一面状结构在所述衬底基板的正投影覆盖所述连接通孔在所述衬底基板的正投影。
可选地，在本公开实施例中，所述消影结构还包括：条状的第一导电部；其中，所述第一导电部与所述第一面状结构同层设置；
同一所述消影结构中，所述第一导电部在所述衬底基板的正投影与所述第一面状结构在所述衬底基板的正投影交叉设置。
可选地，在本公开实施例中，所述第二触控电极在所述衬底基板的正投影覆盖所述第一导电部在所述衬底基板的正投影。
可选地，在本公开实施例中，同一所述第一触控电极中，所述第一导电部在所述衬底基板的正投影与除所述第一导电部接触的第一触控电极的网格之外的其余网格在所述衬底基板的正投影不接触。
可选地，在本公开实施例中，所述第一触控电极在所述衬底基板的正投影和所述第二触控电极在所述衬底基板的正投影具有多个第二交叉处；其中，所述第二交叉处在所述衬底基板的正投影与所述连接通孔在所述衬底基板的正投影不交叠；
所述触摸基板还包括：与所述第一触控电极同层设置的多个第二面状结构；其中，一个所述第二交叉处在所述衬底基板的正投影与一个所述第二面状结构在所述衬底基板的正投影具有交叠区域。
可选地，在本公开实施例中，所述第一面状结构在所述衬底基板的正投影和所述第二面状结构在所述衬底基板的正投影的形状和尺寸大致相同。
可选地，在本公开实施例中，所述触摸基板还包括：与所述第一触控电极同层设置的多个条状的第二导电部；其中，一个所述第二交叉处在所述衬底基板的正投影与一个所述第二面状结构在所述衬底基板的正投影部分交叠。
可选地，在本公开实施例中，所述第二触控电极在所述衬底基板的正投影覆盖所述第二导电部在所述衬底基板的正投影。
可选地，在本公开实施例中，所述第二导电部在所述衬底基板的正投影与所述第一导电部在所述衬底基板的正投影不交叠。
可选地，在本公开实施例中，同一所述第一触控电极中，各所述第一导电部和各所述第二导电部直接电连接；
同一所述第一触控电极中，所有所述第一导电部和所述第二导电部在所述衬底基板的正投影位于所述第二触控电极在所述衬底基板的正投影内。
本公开实施例提供的触摸显示装置，包括上述触摸基板。
可选地，在本公开实施例中，还包括：显示面板；
所述触摸基板位于所述显示面板的出光侧，其中，所述衬底基板位于所述信号线层背离所述显示面板一侧。
可选地，在本公开实施例中，所述显示面板包括；液晶显示面板和电致发光显示面板中的至少一个。
可选地，在本公开实施例中，还包括：电致发光显示面板，所述电致发光显示面板包括封装层；
所述触摸基板位于所述电致发光显示面板的出光侧，其中，所述衬底基板为所述封装层，所述信号线层位于所述衬底基板背离所述电致发光显示面板一侧。
附图说明
图1为本公开实施例提供的一些触摸基板的结构示意图；
图2为本公开实施例提供的一些触摸基板的局部结构示意图；
图3为图2所示的触摸基板沿AA’方向上的结构示意图；
图4为本公开实施例提供的一些第一触控电极的局部结构示意图；
图5为本公开实施例提供的又一些触摸基板的局部结构示意图；
图6a为图5所示的触摸基板中的第一触控电极的结构示意图；
图6b为图5所示的触摸基板沿AA’方向上的结构示意图；
图7为本公开实施例提供的又一些触摸基板的局部结构示意图；
图8a为图7所示的触摸基板中的第一触控电极的结构示意图；
图8b为图7所示的触摸基板沿AA’方向上的结构示意图；
图9为本公开实施例提供的又一些触摸基板的局部结构示意图；
图10a为本公开实施例提供的一些触摸显示装置的结构示意图；
图10b为本公开实施例提供的又一些触摸显示装置的结构示意图；
图11为本公开实施例提供的又一些触摸显示装置的结构示意图。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例的附图，对本公开实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本公开的一部分实施例，而不是全部的实施例。并且在不冲突的情况下，本公开中的实施例及实施例中的特征可以相互组合。基于所描述的本公开的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本公开保护的范围。
除非另外定义，本公开使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接， 而是可以包括电性的连接，不管是直接的还是间接的。
需要注意的是，附图中各图形的尺寸和形状不反映真实比例，目的只是示意说明本公开内容。并且自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。
在实际应用中，按照工作原理，触摸基板可以分为电容式、电阻式、红外线式、表面声波式等。一般，电容式触摸基板又具有互电容式触摸基板和自电容式触摸基板。如图1所示，互电容式触摸基板可以包括多个第一触控电极和多个第二触控电极，这样可以通过第一触控电极和第二触控电极之间形成的互电容，以实现确定触控位置。通常，第一触控电极沿F1方向延伸，第二触控电极沿F2方向延伸。第一触控电极通过感应信号线连接到驱动IC(Integrated Circuit，集成电路)，第二触控电极通过驱动信号线连接到驱动IC(Integrated Circuit，集成电路)。并且，驱动信号线与第二触控电极之间需要通过连接通孔电连接。然而，由于驱动信号线所在层与第二触控电极所在层之间一般设置采用有机材料的绝缘层，由于工艺制备条件限制以及有机材料的特性，导致连接通孔的尺寸较大(例如大于20μm)，从而导致在外界可以看到连接通孔的残影。
有鉴于此，本公开实施例提供了一些触摸基板，可以改善连接通孔的残影问题，实现消影效果。
本公开实施例提供的触摸基板，如图1至图3所示，可以包括：
衬底基板10；
第一触控电极层100，位于衬底基板10一侧，第一触控电极层100包括相互间隔设置的多条网格状的第一触控电极110，第一触控电极110沿第一方向F1延伸；
第一绝缘层410，位于第一触控电极层100背离衬底基板10一侧；
第二触控电极层200，位于第一绝缘层410背离衬底基板10一侧，第二触控电极层200包括相互间隔设置的多条网格状的第二触控电极210，第二触控电极210沿第二方向F2延伸；
第二绝缘层420，位于第二触控电极层200背离衬底基板10一侧，且第二绝缘层420具有多个连接通孔510；
信号线层300，位于第二绝缘层420背离衬底基板10一侧，信号线层300包括多条第二信号传输线320；其中，多条第二触控电极210中的一条通过多个连接通孔510中的至少一个与多条第二信号传输线320中的至少一条电连接；
第一触控电极110在衬底基板10的正投影和第二触控电极210在衬底基板10的正投影具有多个第一交叉处，其中，一个第一交叉处对应设置一个连接通孔510，且连接通孔510在衬底基板10的正投影与第一交叉处在衬底基板10的正投影具有交叠区域；
位于第一交叉处的第一触控电极110具有消影结构610；消影结构610在衬底基板10的正投影覆盖连接通孔510在衬底基板10的正投影。
本公开实施例提供的上述触摸基板，通过使位于第一交叉处的第一触控电极110设置有消影结构610，以及使消影结构610在衬底基板10的正投影覆盖连接通孔510在衬底基板10的正投影，这样在用户从衬底基板10背离信号线层300一侧观看时触摸基板，可以通过消影结构610将连接通孔510的影像遮挡住，从而可以改善连接通孔510的残影问题。并且，由于第一触控电极110设置为网格状，使得第一触控电极110可以较均匀的设置在衬底基板10上，以及消影结构610与第一触控电极110设置为一体结构，从而可以使用户也不会容易察觉到消影结构610的图形，进而可以实现消影效果。
需要说明的是，本公开实施例中，通过使位于第一交叉处的第一触控电极110设置有消影结构610，以使第一触控电极110与消影结构610同层设置，实现一体化结构，从而可以不用设置额外的膜层。这样可以降低触摸基板在垂直于衬底基板10所在平面的方向上的厚度。进而，将本公开实施例提供的触摸基板应用于触摸显示装置中时，可以降低触摸显示装置的厚度。
并且，一般触控显示面板具有显示区，为了使显示区能够实现触控功能，因此如图1所示，触摸基板设置有与显示区对应的有效触控区TB，有效触控 区TB设置有第一触控电极110和第二触控电极210。在实际应用中，可以使有效触控区TB覆盖显示区，以使显示区可以实现触控功能。
需要说明的是，本公开实施例中，第一交叉处在衬底基板10的正投影与连接通孔510在衬底基板10的正投影具有交叠区域，也就是说，一个第一交叉处所在的位置对应设置有一个连接通孔510。
在具体实施时，在本公开实施例中，如图2与图3所示，第一触控电极110的网格状图案的网格点在衬底基板10的正投影与第二触控电极210的网格状图案的网格点在衬底基板10的正投影不交叠。这样可以使第一触控电极110的网格状图案在衬底基板10的正投影与第二触控电极210的网格状图案在衬底基板10的正投影的交叠区域较少，从而可以降低第一触控电极110和第二触控电极210对显示的影响，提高显示效果。
在具体实施时，在本公开实施例中，一个第二触控电极210可以对应电连接至少一条第二信号传输线320。示例性地，如图2与图3所示，一个第二触控电极210可以对应电连接3条第二信号传输线320。或者，一个第二触控电极210可以对应电连接1条、4条或更多条第二信号传输线320。当然，在实际应用中，可以根据实际应用的需求进行设计确定，在此不作限定。
在具体实施时，在本公开实施例中，触摸基板还可以包括多条第一信号传输线。其中，一个第一触控电极110可以对应电连接至少一条第一信号传输线。示例性地，如图2所示，一个第一触控电极110可以对应电连接1条第二信号传输线320。或者，一个第一触控电极110可以对应电连接2条、3条、4条或更多条第一信号传输线。当然，在实际应用中，可以根据实际应用的需求进行设计确定，在此不作限定。
在具体实施时，在本公开实施例中，如图2与图3所示，触摸基板还可以包括绑定区，绑定区中具有多个第一绑定端子和多个第二绑定端子。第一绑定端子和第二绑定端子与驱动IC进行绑定。并且，一条第一信号传输线与一个第一绑定端子电对应连接，一条第二信号传输线320与一个第二绑定端子电对应连接。这样可以使驱动IC通过第一绑定端子、第一信号传输线与第 一触控电极110之间进行信号传输，以及使驱动IC通过第二绑定端子、第二信号传输线320与第二触控电极210之间进行信号传输。
在具体实施时，在本公开实施例中，如图2与图3所示，第一触控电极110可以沿第一方向F1延伸，沿第二方向F2排列。第二触控电极210沿第二方向F2延伸，第一方向F1排列。示例性地，第一方向F1可以为触控显示面板中的子像素的列方向，第二方向F2可以为触控显示面板中的子像素的行方向。当然，在实际应用中，可以根据实际应用的需求设置第一方向F1和第二方向F2，在此不作限定。
在具体实施时，在本公开实施例中，如图2与图3所示，第一信号传输线310和第二信号传输线320可以沿第一方向F1延伸。当然，在实际应用中，可以根据实际应用的需求设置第一信号传输线310和第二信号传输线320，在此不作限定。
在具体实施时，在本公开实施例中，如图2与图3所示，消影结构610可以包括：第一面状结构611；其中，第一面状结构611与第一触控电极110同层设置，且第一触控电极110在第一面状结构611所在区域的线宽大于第一触控电极110在其余区域的线宽。并且，第一面状结构611在衬底基板10的正投影覆盖连接通孔510在衬底基板10的正投影。这样可以在第一触控电极110中对应连接通孔510的位置处进行加粗，以形成第一面状结构611，从而可以通过第一面状结构611对连接通孔510进行遮挡，进而实现消影效果。当然，在实际应用中，第一面状结构611的面积可以根据实际应用的需求进行设计确定，在此不作限定。
需要说明的是，第一触控电极110的线宽指的可以为呈网格状的第一触控电极110的网格线的宽度。当然，在实际应用中，第一触控电极110的网格线的宽度和第二触控电极210的网格线的宽度可以大致相同或者也可以不同，其网格线的宽度可以根据实际应用的需求来设计确定，在此不作限定。
在实际应用中，可以将触摸基板和显示面板结合，即在显示面板的显示区中可以设置第一触控电极和第二触控电极，以使显示面板的显示区可以实 现触控功能。在实际应用中，随着触摸基板的尺寸增加，使得大尺寸触摸基板对第一触控电极110和第二触控电极210的电阻要求很高。为了降低电极层的电阻，在本公开实施例中，可以使第一触控电极110和第二触控电极210的材料设置为金属材料。例如，例如金、银、铝等，在此不作限定。
在具体实施时，在本公开实施例中，如图2与图3所示，可以使第一面状结构611在衬底基板10的正投影的形状大致设置为矩形。当然，在实际应用中，可以根据实际应用的需求设置第一面状结构611在衬底基板10的正投影的形状，在此不作限定。
在实际应用中，可以分别通过构图工艺形成第一触控电极110的网格状图案和第二触控电极210的网格状图案。示例性地，上述构图工艺可以包括光刻工艺与刻蚀工艺；光刻工艺是指包括成膜、曝光、显影等工艺过程的利用光刻胶、掩模板、曝光机等形成图形的工艺。然而，在实际工艺制备过程中，在形成同层网格状图案时，例如以形成第一触控电极110的网格状图案为例，结合图4所示，由于工艺条件的限制，由于曝光衍射的问题，导致制备形成的第一触控电极110的网格状图案的交叉处所在区域XB，会产生类似矩形的金属块。由于第一触控电极110的网格状图案均匀的分布在触控区域TB中，这样使得上述产生的类似矩形的金属块也可以均匀分布于触控区域TB中，从而使金属块不容易被人眼察觉出来，进而使得这些金属块产生的残影问题可以忽略不计。也就是说，这些金属块对显示效果的影响可以忽略不计，设置是无影响。并且，第二触控电极210的设置方式同理，在此不作赘述。需要说明的是，图1与图2未示意出金属块。
由于第一触控电极110的金属块是在工艺制备过程中出现的，因此可以采用这些金属块对本公开实施例中的连接通孔510进行遮挡。在具体实施时，在本公开实施例中，如图5至图6b所示，消影结构610还可以包括：条状的多个第一导电部810；其中，可以使第一导电部810与第一面状结构611同层设置。并且，同一消影结构610中，第一导电部810在衬底基板10的正投影与第一面状结构611在衬底基板10的正投影交叉设置。这样可以在原来的第一触控电极 110的网格线对应连接通孔510的位置处设置与该网格线交叉的第一导电部810，从而可以借助曝光衍射的问题，在第一触控电极110与第一导电部810交叉的位置处形成金属块，以使该形成的金属块作为本公开实施例中的第一面状结构611。这样可以不用改变通常的制备工艺流程，即可形成第一面状结构611。当然，在实际应用中，通过设置第一导电部810形成的第一面状结构611的面积，可以根据实际应用的需求进行设计确定，在此不作限定。
在具体实施时，在本公开实施例中，如图5所示，可以使第二触控电极210在衬底基板10的正投影覆盖第一导电部810在衬底基板10的正投影。这样可以降低第一导电部810对显示的影响。
在具体实施时，在本公开实施例中，如图5与图6a所示，同一第一触控电极110中，可以使第一导电部810在衬底基板10的正投影与除该第一导电部810接触的第一触控电极110的网格之外的其余网格在衬底基板10的正投影不接触。这样可以使第一导电部810与其所在的第一触控电极110的网格进行直接接触，而使第一导电部810与其所在的第一触控电极110的网格之外的其余网格不接触，从而可以仅在第一交叉处设置第一导电部810。
在具体实施时，在本公开实施例中，如图5至图8b所示，第一触控电极110在衬底基板10的正投影和第二触控电极210在衬底基板10的正投影具有多个第二交叉处；其中，第二交叉处在衬底基板10的正投影与连接通孔510在衬底基板10的正投影不交叠。也就是说，第二交叉处不对应设置连接通孔510。并且，如图7至图8b所示，触摸基板还可以包括：与第一触控电极110同层设置的多个第二面状结构612；其中，一个第二交叉处在衬底基板10的正投影与一个第二面状结构612在衬底基板10的正投影具有交叠区域。由于第一交叉处与第二交叉处均为第一触控电极110与第二触控电极210的交叉处，并且第一触控电极110与第二触控电极210的交叉处均匀设置，因此通过在第一交叉处设置第一面状结构611，并在第二交叉处设置第二面状结构612，这样可以使第一面状结构611与第二面状结构612可以均匀的呈周期性的分布于有效触控区中，从而可以使第一面状结构611进一步不会被人眼察 觉到，进一步提高消影效果。
在具体实施时，在本公开实施例中，如图7至图8b所示，可以使第一面状结构611在衬底基板10的正投影和第二面状结构612在衬底基板10的正投影的形状和尺寸大致相同。这样可以使第一面状结构611与第二面状结构612进一步均匀的呈周期性的分布于有效触控区中，从而可以使第一面状结构611进一步不会被人眼察觉到，进一步提高消影效果。
在具体实施时，在本公开实施例中，如图7至图8b所示，触摸基板还可以包括：与第一触控电极110同层设置的多个条状的第二导电部820；其中，一个第二交叉处在衬底基板10的正投影与一个第二面状结构612在衬底基板10的正投影部分交叠。这样可以在原来的第一触控电极110的网格线对应第二交叉处设置与该网格线交叉的第二导电部820，从而可以借助曝光衍射的问题，在第一触控电极110与第二导电部820交叉的位置处形成金属块，以使该形成的金属块作为本公开实施例中的第二面状结构612。这样可以不用改变通常的制备工艺流程，即可形成第二面状结构612。当然，在实际应用中，通过设置第二导电部820形成的第二面状结构612的面积，可以根据实际应用的需求进行设计确定，在此不作限定。
在具体实施时，在本公开实施例中，如图7所示，可以使第二触控电极210在衬底基板10的正投影覆盖第二导电部820在衬底基板10的正投影。这样可以降低第二导电部820对显示的影响。
在具体实施时，在本公开实施例中，如图7所示，可以使第二导电部820在衬底基板10的正投影与第一导电部810在衬底基板10的正投影不交叠。这样可以使第一导电部810和第二导电部820间隔设置。
在具体实施时，在本公开实施例中，如图9所示，也可以使同一第一触控电极110中，各第一导电部810和各第二导电部直接电连接。并且，同一第一触控电极110中，所有第一导电部810和第二导电部在衬底基板10的正投影位于第二触控电极210在衬底基板10的正投影内。这样可以降低第二导电部820对显示的影响。
需要说明的是，在实际工艺中，由于工艺条件的限制或其他因素，上述各特征中的相同并不能完全相同，可能会有一些偏差，因此上述各特征之间的相同关系只要大致满足上述条件即可，均属于本公开的保护范围。例如，上述相同可以是在误差允许范围之内所允许的相同。
基于同一发明构思，本公开实施例还提供的触摸显示装置，包括本公开实施例提供的上述触摸基板。该触摸显示装置解决问题的原理与前述触摸基板相似，因此该触摸显示装置的实施可以参见前述触摸基板的实施，重复之处在此不再赘述。
在具体实施时，在本发明实施例中，如图10a所示，触摸显示装置还可以包括：显示面板20，并且，触摸基板位于显示面板20的出光侧。其中，该触摸基板为上述触摸基板。并且，衬底基板10位于信号线层300背离显示面板一侧。进一步地，在信号线层300和显示面板20之间还设置有第三绝缘层430。需要说明的是，该触摸基板的结构和工作原理可以参照上述触摸基板的实施例，具体在此不作赘述。
在具体实施时，在本公开实施时，上述第一绝缘层、第二绝缘层、第三绝缘层可以为无机材料或有机材料。示例性地，在上述第二绝缘层为有机材料时，由于有机材料的特性和工艺条件限制，导致连接通孔的尺寸较大。本公开实施例中，通过设置消影结构，可以使连接过孔实现消影效果。
在具体实施时，在本公开实施时，显示面板可以包括：位于显示区中阵列排布的多个像素单元。每个像素单元包括多个子像素。示例性地，像素单元可以包括红色子像素，绿色子像素以及蓝色子像素，这样可以通过红绿蓝进行混色，以实现彩色显示。或者，像素单元也可以包括红色子像素，绿色子像素、蓝色子像素以及白色子像素，这样可以通过红绿蓝白进行混色，以实现彩色显示。当然，在实际应用中，像素单元中的子像素的发光颜色可以根据实际应用环境来设计确定，在此不作限定。
在具体实施时，在本公开实施时，可以利用胶材将触摸基板和显示面板进行贴合后，形成完整的触摸显示装置。在实际应用中，用户一般在衬底基 板10背离显示面板一侧观看触摸显示装置。由于本公开实施例中，通过设置消影结构610，从而可以实现消影效果。
有机发光二极管(Organic Light Emitting Diode，OLED)、量子点发光二极管(Quantum Dot Light Emitting Diodes，QLED)等电致发光二极管具有自发光、低能耗等优点，在具体实施时，上述显示面板可以是电致发光显示面板。在本公开实施例中，电致发光显示面板中的子像素可以包括电致发光二极管以及用于驱动电致发光二极管发光的驱动电路。其中，电致发光二极管包括层叠设置的阳极、发光层以及阴极。进一步地，电致发光二极管可以包括：OLED和QLED中的至少一种。并且，一般驱动电路可以包括驱动晶体管、开关晶体管等多个晶体管以及存储电容，其具体结构和工作原理可以与现有技术中的相同，在此不作赘述。
液晶显示(Liquid Crystal Display，LCD)面板具有外型轻薄、省电以及无辐射等特征，受到了广泛应用。LCD面板的工作原理是通过改变液晶层两端的电压差来改变液晶层内的液晶分子的排列状态，用以改变液晶层的透光性，以显示图像的。在具体实施时，显示面板可以是液晶显示面板。在本公开实施例中，子像素可以包括位于阵列基板上的像素电极以及与像素电极电连接的薄膜晶体管(Thin Film Transistor，TFT)。当然，阵列基板上还会设置传输栅极扫描信号的栅线与传输数据信号的数据线。这样通过栅线向TFT输入栅极扫描信号，以控制TFT导通，从而将数据线上传输的数据信号输入到像素电极中，使像素电极输入电压，进而驱动液晶分子旋转以显示图像。
在具体实施时，在本发明实施例中，如图10b所示，触摸显示装置还可以包括：电致发光显示面板30。其中，电致发光显示面板30可以包括封装层，该封装层被配置为将电致发光显示面板中的电致发光二极管进行封装，从而避免外界的水氧对电致发光二极管造成不利影响。
在具体实施时，在本发明实施例中，如图10b所示，可以使触摸基板位于电致发光显示面板30的出光侧，并且信号线层300位于衬底基板10背离电致发光显示面板30一侧。其中，衬底基板10可以作为封装层，这样可以 通过衬底基板10对电致发光显示面板30进行封装，以避免外界的水氧对电致发光二极管造成不利影响。并且，还可以减少触摸显示装置的厚度。
在具体实施时，本公开实施例提供的触摸显示装置可以为图11所示的全面屏的手机。当然，本公开实施例提供的触摸显示装置可也以为：平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。对于该触摸显示装置的其它必不可少的组成部分均为本领域的普通技术人员应该理解具有的，在此不做赘述，也不应作为对本公开的限制。
本公开实施例提供的触摸基板及触摸显示装置，通过使位于第一交叉处的第一触控电极设置有消影结构，以及使消影结构在衬底基板的正投影覆盖连接通孔在衬底基板的正投影，这样在用户从衬底基板背离信号线层一侧观看时触摸基板，可以通过消影结构将连接通孔的影像遮挡住，从而可以改善连接通孔的残影问题。并且，由于第一触控电极设置为网格状，使得第一触控电极可以较均匀的设置在衬底基板上，以及消影结构与第一触控电极设置为一体结构，从而可以使用户也不会容易察觉到消影结构的图形，进而可以实现消影效果。
尽管已描述了本公开的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本公开范围的所有变更和修改。
显然，本领域的技术人员可以对本公开实施例进行各种改动和变型而不脱离本公开实施例的精神和范围。这样，倘若本公开实施例的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (15)

  1. 一种触摸基板，其中，包括：
    衬底基板；
    第一触控电极层，位于所述衬底基板一侧，所述第一触控电极层包括相互间隔设置的多条网格状的第一触控电极，所述第一触控电极沿第一方向延伸；
    第一绝缘层，位于所述第一触控电极层背离所述衬底基板一侧；
    第二触控电极层，位于所述第一绝缘层背离所述衬底基板一侧，所述第二触控电极层包括相互间隔设置的多条网格状的第二触控电极，所述第二触控电极沿第二方向延伸；
    第二绝缘层，位于所述第二触控电极层背离所述衬底基板一侧，且所述第二绝缘层具有多个连接通孔；
    信号线层，位于所述第二绝缘层背离所述衬底基板一侧，所述信号线层包括多条第二信号传输线；其中，所述多条第二触控电极中的一条通过所述多个连接通孔中的至少一个与所述多条第二信号传输线中的至少一条电连接；
    所述第一触控电极在所述衬底基板的正投影和所述第二触控电极在所述衬底基板的正投影具有多个第一交叉处，其中，一个所述第一交叉处对应设置一个所述连接通孔，且所述连接通孔在所述衬底基板的正投影与所述第一交叉处在所述衬底基板的正投影具有交叠区域；
    位于所述第一交叉处的第一触控电极具有消影结构；所述消影结构在所述衬底基板的正投影覆盖所述连接通孔在所述衬底基板的正投影。
  2. 如权利要求1所述的触摸基板，其中，所述消影结构包括：第一面状结构；其中，所述第一面状结构与所述第一触控电极同层设置，且所述第一触控电极在所述第一面状结构所在区域的线宽大于所述第一触控电极在其余区域的线宽；
    所述第一面状结构在所述衬底基板的正投影覆盖所述连接通孔在所述衬 底基板的正投影。
  3. 如权利要求2所述的触摸基板，其中，所述消影结构还包括：条状的第一导电部；其中，所述第一导电部与所述第一面状结构同层设置；
    同一所述消影结构中，所述第一导电部在所述衬底基板的正投影与所述第一面状结构在所述衬底基板的正投影交叉设置。
  4. 如权利要求3所述的触摸基板，其中，所述第二触控电极在所述衬底基板的正投影覆盖所述第一导电部在所述衬底基板的正投影。
  5. 如权利要求4所述的触摸基板，其中，同一所述第一触控电极中，所述第一导电部在所述衬底基板的正投影与除所述第一导电部接触的第一触控电极的网格之外的其余网格在所述衬底基板的正投影不接触。
  6. 如权利要求1-5任一项所述的触摸基板，其中，所述第一触控电极在所述衬底基板的正投影和所述第二触控电极在所述衬底基板的正投影具有多个第二交叉处；其中，所述第二交叉处在所述衬底基板的正投影与所述连接通孔在所述衬底基板的正投影不交叠；
    所述触摸基板还包括：与所述第一触控电极同层设置的多个第二面状结构；其中，一个所述第二交叉处在所述衬底基板的正投影与一个所述第二面状结构在所述衬底基板的正投影具有交叠区域。
  7. 如权利要求6所述的触摸基板，其中，所述第一面状结构在所述衬底基板的正投影和所述第二面状结构在所述衬底基板的正投影的形状和尺寸大致相同。
  8. 如权利要求7所述的触摸基板，其中，所述触摸基板还包括：与所述第一触控电极同层设置的多个条状的第二导电部；其中，一个所述第二交叉处在所述衬底基板的正投影与一个所述第二面状结构在所述衬底基板的正投影部分交叠。
  9. 如权利要求8所述的触摸基板，其中，所述第二触控电极在所述衬底基板的正投影覆盖所述第二导电部在所述衬底基板的正投影。
  10. 如权利要求9所述的触摸基板，其中，所述第二导电部在所述衬底 基板的正投影与所述第一导电部在所述衬底基板的正投影不交叠。
  11. 如权利要求9所述的触摸基板，其中，同一所述第一触控电极中，各所述第一导电部和各所述第二导电部直接电连接；
    同一所述第一触控电极中，所有所述第一导电部和所述第二导电部在所述衬底基板的正投影位于所述第二触控电极在所述衬底基板的正投影内。
  12. 一种触摸显示装置，其中，包括如权利要求1-11任一项所述的触摸基板。
  13. 如权利要求12所述的触摸显示装置，其中，还包括：显示面板；
    所述触摸基板位于所述显示面板的出光侧，其中，所述衬底基板位于所述信号线层背离所述显示面板一侧。
  14. 如权利要求13所述的触摸显示装置，其中，所述显示面板包括；液晶显示面板和电致发光显示面板中的至少一个。
  15. 如权利要求12所述的触摸显示装置，其中，还包括：电致发光显示面板，所述电致发光显示面板包括封装层；
    所述触摸基板位于所述电致发光显示面板的出光侧，其中，所述衬底基板为所述封装层，所述信号线层位于所述衬底基板背离所述电致发光显示面板一侧。
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