WO2023087367A1 - 显示面板和电子装置 - Google Patents

显示面板和电子装置 Download PDF

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Publication number
WO2023087367A1
WO2023087367A1 PCT/CN2021/133495 CN2021133495W WO2023087367A1 WO 2023087367 A1 WO2023087367 A1 WO 2023087367A1 CN 2021133495 W CN2021133495 W CN 2021133495W WO 2023087367 A1 WO2023087367 A1 WO 2023087367A1
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WO
WIPO (PCT)
Prior art keywords
area
line
signal
display panel
crack detection
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2021/133495
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English (en)
French (fr)
Inventor
方亮
丁玎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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.)
Filing date
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Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US17/620,720 priority Critical patent/US11954278B2/en
Publication of WO2023087367A1 publication Critical patent/WO2023087367A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections

Definitions

  • the present application relates to the field of display technology, in particular to a display panel and an electronic device.
  • OLED displays have the advantages of active light emission, large viewing angle, wide color gamut, high brightness, fast response, low power consumption, and flexible structure, and are becoming more and more popular in the market.
  • special-shaped displays such as notch screens, water drop screens, and hole-cut (O-Cut) screens have appeared.
  • the hole-cut screen is to cut the display screen to form through holes for placing functional components such as cameras.
  • there is an Oncell touch solution which is to set the touch panel on the OLED panel.
  • the touch panel can adopt a self-capacitance structure, that is, a self-capacitive Capacitance Oncell Touch (Self Capacitance Direct Oncell Touch, S-DOT) solution.
  • the self-capacitance structure includes a plurality of independent sub-touch electrodes, and each independent sub-touch electrode is independently led out through a touch wire, which can effectively improve performance such as touch sensitivity, but the touch wire and adjacent sub-touch electrodes There is signal interference between them, which can lead to poor touch performance.
  • the present application provides a display panel and an electronic device, so as to alleviate the technical problem of poor touch performance of the existing hole-digging screen.
  • An embodiment of the present application provides a display panel, which includes: a functional area, a display area disposed close to the functional area, and a transition area between the functional area and the display area, and the display panel further includes:
  • the touch layer is arranged on the display substrate and includes a plurality of touch electrode groups arranged at intervals along the first direction in the display area, and each of the touch electrode groups includes at least one electrode group arranged along the second direction. the touch electrodes;
  • a plurality of first signal transmission lines each of the first signal transmission lines is electrically connected to one of the touch electrodes;
  • the first signal shielding line is arranged corresponding to the gap between two adjacent touch electrode groups, and is located between the first signal transmission line of the same touch electrode group and the adjacent touch electrode group. between the touch electrodes;
  • the functional area and the transition area are located between two adjacent touch electrode groups, and in the two touch electrode groups, the touch electrodes close to the transition area
  • the size is smaller than the size of other touch electrodes
  • the first signal shielding line passes through the transition area, and in the transition area, the shape of the first signal shielding line is similar to the shape of the corresponding functional area match.
  • the display panel further includes a crack detection circuit, and in the transition area, the crack detection circuit surrounds the functional area, and the crack detection circuit is located in the first signal
  • the shielded wire is close to the side of the functional area.
  • the crack detection circuit includes a first crack detection line and a second crack detection line, and in the transition region, the first crack detection line and the second crack detection line Electrically connected or integrated, so that the first crack detection line and the second crack detection line form a closed-loop crack detection circuit.
  • the display panel further includes at least one signal monitoring line, and the signal monitoring line is arranged corresponding to the gap between two adjacent touch electrode groups.
  • the functional area is located in the middle area of the display panel, and in the transition area, the signal monitoring line is located between the first signal shielding line and the functional area between.
  • the display panel further includes a second signal shielding line located between two adjacent touch electrode groups and electrically connected to the first signal shielding line, The second signal shielding wire and the first signal shielding wire half surround the signal monitoring wire together.
  • the display panel further includes a floating line located in the transition area, and the floating line and the first signal shielding line are located on opposite sides of the functional area.
  • the display panel further includes a second signal shielding line located between two adjacent touch electrode groups and electrically connected to the first signal shielding line, The second signal shielding line and the first signal shielding line together half surround the signal monitoring line;
  • the first signal shielding line and the second signal shielding line are located on opposite sides of the functional area, and the second signal shielding line is located on the floating line away from the functional area side.
  • the display panel further includes a non-display area surrounding the display area, the non-display area includes a relative upper frame area and a lower frame area, and a and the left frame area and the right frame area of the lower frame area, the first signal shielding line extends from the display area to the upper frame area, wherein the first signal shielding line close to the left frame area
  • the first signal shielding lines close to the right frame area are connected together in the upper frame area and extend into the right frame area. within the border area.
  • the display panel further includes at least one signal monitoring line, and the signal monitoring line is arranged corresponding to the gap between two adjacent touch electrode groups;
  • the signal monitoring line also extends from the display area to the upper frame area, and extends from the upper frame area to the left frame area or the right frame area, and in the non-display area, the The signal monitoring line is located on a side of the first signal shielding line away from the display area.
  • the display panel further includes a crack detection circuit, and in the transition area, the crack detection circuit surrounds the functional area, and the crack detection circuit is located in the first signal
  • the shielding line is close to the side of the functional area, and the crack detection circuit includes a first crack detection line and a second crack detection line;
  • the first crack detection line extends from the transition area to the upper frame area, and extends from the upper frame area to the left frame area, and in the non-display area, the first crack detection line The line is located on the side of the signal monitoring line away from the first signal shielding line; the second crack detection line extends from the transition area to the upper frame area, and extends from the upper frame area to the In the right frame area, and in the non-display area, the second crack detection line is located on the side of the signal monitoring line away from the first signal shielding line.
  • the lower frame area is provided with a binding area, and the binding area is bound with a driver chip, the first signal transmission line, the first signal shielding line, the The signal monitoring line, the first crack detection line and the second crack detection line are all electrically connected to the drive chip, wherein the first signal shielding line, the signal monitoring line, and the first crack detection line And the second crack detection line extends from the left frame area or the right frame area to the lower frame area and is electrically connected to the driving chip.
  • the display panel further includes a compensation electrode disposed in the transition region and electrically connected to the corresponding touch electrode.
  • the driving signal on the first signal shielding line is the same as the driving signal on the corresponding first signal transmission line.
  • An embodiment of the present application further provides an electronic device, which includes the display panel of one of the foregoing embodiments and a camera arranged corresponding to a functional area of the display panel.
  • the display panel provided in the present application and the display panel in the electronic device include a functional area, a display area arranged close to the functional area, and a transition area between the functional area and the display area, and the display panel also includes a display substrate and a touch layer disposed on the display substrate, the touch layer includes a plurality of touch electrode groups arranged at intervals along the first direction in the display area, each of the touch electrode groups includes at least one The touch electrodes arranged along the second direction, the functional area and the transition area are located between two adjacent touch electrodes, each of the touch electrodes is electrically connected to a first signal transmission line, A first signal shielding line is provided between the first signal transmission line of the same touch electrode group and the touch electrodes of the adjacent touch electrode group, and the first signal shielding line is connected to two adjacent touch electrode groups.
  • the gaps between the touch electrode groups are correspondingly set, and part of the first signal shielding lines are located in the transition area, and the first signal shielding lines can shield the touch electrodes from the first signal transmission line. signal interference, thereby solving the problem of poor touch performance in existing hole-digging screens.
  • FIG. 1 is a schematic top view structural diagram of a display panel provided by an embodiment of the present application.
  • FIG. 2 is another schematic structural diagram of a top view of a display panel provided by an embodiment of the present application.
  • FIG. 3 is an enlarged detailed view of the area W in FIG. 2 .
  • Fig. 4 is a schematic cross-sectional structure diagram along A-A' in Fig. 3 .
  • FIG. 5 is a schematic diagram showing the detailed structure of the substrate shown in FIG. 4 .
  • FIG. 6 is a schematic diagram of the detailed structure of the touch electrode provided by the embodiment of the present application.
  • FIG. 7 is another schematic structural diagram of a top view of a display panel provided by an embodiment of the present application.
  • FIG. 8 is an enlarged detail view of area M in FIG. 7 .
  • FIG. 9 is a schematic cross-sectional structure diagram of a display panel provided by an embodiment of the present application.
  • FIG. 10 is another schematic cross-sectional structure diagram of a display panel provided by an embodiment of the present application.
  • Figure 1 is a schematic top view of a display panel provided by an embodiment of the present application
  • Figure 2 is a schematic top view of a display panel provided by an embodiment of this application
  • Figure 4 is a schematic diagram of the cross-sectional structure along AA' in Figure 3
  • Figure 5 is a schematic diagram of the detailed structure of the display substrate in Figure 4
  • Figure 6 is the touch electrode provided by the embodiment of the present application
  • the display panel 100 includes a functional area HA, a display area AA disposed close to the functional area HA, a transition area FA between the functional area HA and the display area AA, and non-display areas surrounding the display area AA. District NA.
  • the functional area HA can be located in any area of the display panel 100, and the transition area FA is used to realize a smooth transition from the functional area HA to the display area AA, so as to reduce the impact of the functional area HA on the Shows the effect of zone AA.
  • Functional elements such as earpieces, cameras, and various sensors can be placed in the functional area HA to realize functions such as camera, light sensing, and fingerprint identification, thereby increasing the screen-to-body ratio of the display panel 100 .
  • the functional area HA can be provided with a through hole, which is used to place the camera to realize the in-screen camera.
  • the functional area HA can also not be provided with a through hole, and the under-screen camera technology can be used. Realize the camera function.
  • the through hole is set in the functional area HA to realize the camera function as an example.
  • the display panel 100 includes a display substrate 10 and a touch layer disposed on the display substrate 10, the touch layer includes a plurality of touch electrode groups, and the plurality of touch electrode groups are arranged along a first direction.
  • X is arranged at intervals on one side of the display substrate 10, and corresponds to the display area AA, each of the touch electrode groups includes at least one touch electrode 20 arranged along the second direction Y, and the functional area HA and the transition area FA are located between two adjacent touch electrodes 20 .
  • the first direction X is a horizontal direction
  • the second direction Y is a vertical direction
  • the first direction X and the second direction Y form an angle of 90 degrees.
  • the first direction X and the second direction Y in the present application may also be set at other angles.
  • the touch layer can use DOT (Direct Oncell Touch, the touch function is directly prepared on the display unit)
  • DOT Direct Oncell Touch, the touch function is directly prepared on the display unit
  • the touch solution prepares the touch electrode 20 directly on the display substrate 10, so that the display panel 100 has better integration, transmittance, and durability. Bending performance, and can effectively reduce the thickness of the screen and reduce product costs.
  • the display substrate 10 includes a substrate 11 and a driving circuit layer 12, a light emitting function layer 13, and an encapsulation layer 14 that are sequentially stacked on the substrate 11, and the touch electrodes 20 are directly fabricated on the encapsulation layer. on layer 14.
  • the substrate 11 can be a rigid substrate or a flexible substrate; when the substrate 11 is a rigid substrate, it can include a rigid substrate such as a glass substrate; when the substrate 11 is a flexible substrate, it can include polyimide Flexible substrates such as polyimide (PI) films and ultra-thin glass films can be used as substrates 11 to produce flexible display panels to achieve special properties such as bending and curling of the display panel 100 .
  • PI polyimide
  • a buffer layer 15 may also be provided between the substrate 11 and the driving circuit layer 12, and the material of the buffer layer 15 may include silicon oxide (SiOx), silicon nitride (SiNx), silicon oxynitride (SiON) and other inorganic materials, the buffer layer 15 can further prevent unwanted impurities or pollutants (such as moisture, oxygen, etc.) from diffusing from the substrate 11 to devices that may be damaged by these impurities or pollutants , while also providing a flat top surface.
  • silicon oxide SiOx
  • SiNx silicon nitride
  • SiON silicon oxynitride
  • the driving circuit layer 12 includes an active layer 121, a gate insulating layer 122, a gate 123, an interlayer insulating layer 124, a source-drain layer 125, a planarization layer 126,
  • the pixel electrode 127 and the pixel definition layer 128 , the active layer 121 includes a channel region 1211 and a source region 1212 and a drain region 1213 located on both sides of the channel region 1211 .
  • the gate insulating layer 122 covers the active layer 121 and the buffer layer 15, the gate 123 is disposed on the gate insulating layer 122, and the gate 123 is connected to the channel Area 1211 is set accordingly.
  • the interlayer insulating layer 124 covers the gate 123 and the gate insulating layer 122, the source and drain layer 125 is disposed on the interlayer insulating layer 124, and the source and drain layer 125 is patterned
  • the source electrode 1251, the drain electrode 1252, the data line 1253, etc. are formed, the source electrode 1251 is connected to the source region 1212 through the via hole of the interlayer insulating layer 124, and the drain electrode 1252 is connected to the source region 1212 through the interlayer insulating layer Another via hole of the insulating layer 124 is connected to the drain region 1213 .
  • the planarization layer 126 is covered on the source-drain layer 125 and the interlayer insulating layer 124, and the arrangement of the planarization layer 126 can provide a flat film surface for the display panel 100, so as to improve the preparation of light emission. Stability of the functional layer 13 .
  • the pixel electrode 127 is disposed on the planarization layer 126, and is connected to the source electrode 1251 or the drain electrode 1252 through the via hole of the planarization layer 126. In this application, the pixel electrode 127 and the The connection of the drain 1252 is used as an example for illustration.
  • the pixel definition layer 128 covers the pixel electrode 127 and the planarization layer 126, and the pixel definition layer 128 is patterned to form a pixel opening, and the pixel opening exposes part of the pixel electrode 127 to define out of the glowing area.
  • the structure of the driving circuit layer 12 of the present application is not limited to that shown in this embodiment, the driving circuit layer 12 of the present application may also include more or fewer film layers, and the positional relationship of each film layer is not limited to As shown in this embodiment, for example, the gate 123 may also be located under the active layer 121 to form a bottom gate structure.
  • the driving circuit layer 12 is used to provide a driving voltage to the light-emitting functional layer 13 to make the light-emitting functional layer 13 emit light.
  • the light-emitting functional layer 13 includes a light-emitting unit 131 and a cathode 132 .
  • the light-emitting unit 131 is formed by arranging light-emitting materials of different colors on the surface of the driving circuit layer 12.
  • the light-emitting materials of different colors emit light of different colors. For example, red light-emitting materials emit red light, and green light-emitting materials emit green light. light, the blue luminescent material emits blue light.
  • the cathode 132 covers the light-emitting unit 131, and the light-emitting unit 131 emits light under the joint action of the pixel electrode 127 and the cathode 132, and the light-emitting units 131 of different colors emit light of different colors, thereby realizing the display panel 100. full-color display.
  • the pixel electrode 127 can be a transparent electrode or a reflective electrode. If the pixel electrode 127 is a transparent electrode, the pixel electrode 127 can be made of, for example, indium tin oxide (ITO), indium zinc oxide (IZO), Formation of ZnO or In2O3. If the pixel electrode 127 is a reflective electrode, the pixel electrode 127 may include, for example, a reflective layer formed of Ag, Mg, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr or a combination thereof and a reflective layer made of ITO , IZO, ZnO or In2O3 layer. However, the pixel electrode 127 is not limited thereto, and the pixel electrode 127 may be formed of various materials, and may also be formed in a single-layer or multi-layer structure.
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • the pixel electrode 127 is a reflective electrode
  • the pixel electrode 127 may include, for example, a reflective layer formed
  • the pixel electrode 127 is a transparent electrode or a reflective electrode depends on the light emitting direction of the display panel 100.
  • the pixel electrode 127 can be a transparent electrode or a reflective electrode.
  • the electrodes of course, when reflective electrodes are used, the utilization rate of light emitted by the light emitting unit 131 can be improved; when the display panel 100 adopts bottom emission, the pixel electrodes 127 use transparent electrodes to increase the transmittance of light.
  • the display panel 100 adopts top emission as an example for illustration.
  • the cathode 132 needs to be formed of a transparent conductive material.
  • the cathode 132 may be formed of transparent conductive oxide (Transparent Conductive Oxide, TCO) such as ITO, IZO, ZnO or In2O3.
  • TCO Transparent Conductive Oxide
  • the light emitting functional layer 13 may also include a hole injection layer (HIL) and a hole transport layer (HTL) disposed between the light emitting unit 131 and the pixel electrode 127; An electron injection layer (EIL) and an electron transport layer (ETL) between the light emitting unit 131 and the cathode 132 .
  • HIL hole injection layer
  • HTL hole transport layer
  • EIL electron injection layer
  • ETL electron transport layer
  • the hole injection layer receives the holes transported by the pixel electrode 127, the holes are transported to the light-emitting unit 131 through the hole transport layer, the electron injection layer receives the electrons transported by the cathode 132, and the electrons are transported to the light-emitting unit 131 through the electron transport layer, and the holes and Electrons are combined at the position of the light-emitting unit 131 to generate excitons, and the excitons transition from the excited state to the ground state to release energy and emit light.
  • the encapsulation layer 14 covers the light-emitting functional layer 13 and is used to protect the light-emitting unit 131 of the light-emitting functional layer 13 and prevent the light-emitting unit 131 from failing due to intrusion of water and oxygen.
  • the encapsulation layer 14 can be encapsulated with a thin film, for example, the encapsulation layer 14 can be a laminated structure formed by sequentially laminating three layers of thin films of a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer or more Multilayer laminated structure.
  • the touch electrodes 20 are directly prepared on the encapsulation layer 14, and the touch electrodes 20 are arranged in an array on the encapsulation layer 14, and each row of the touch electrodes 20 serves as a touch electrode group, and the Each touch electrode group is arranged at intervals along the first direction X, and each column of the touch electrode group includes at least one touch electrode 20 arranged along the second direction Y.
  • Each of the touch electrodes 20 includes a plurality of intersecting touch electrode lines 21, and the plurality of intersecting touch electrode lines 21 make the touch electrodes 20 have a mesh design, as shown in FIG. 6.
  • the mesh 22 refers to the opening area formed by the touch electrode traces 21, the mesh 22 is set corresponding to the light emitting unit 131 of the display substrate 10, so as to avoid the influence of the touch electrode 20.
  • the light emitted by the light emitting unit 131 is not limited to the light emitting unit 131 .
  • touch function structure of the display panel 100 will be described in detail by taking the display panel 100 including 5 columns of touch electrode groups, and each column of touch electrode groups including 3 touch electrodes 20 as an example:
  • the display panel 100 also includes a plurality of first signal transmission lines 30, each of the first signal transmission lines 30 is electrically connected to one of the touch electrodes 20, and the first signal transmission lines 30 are connected to the touch electrodes 20 Same level settings.
  • the "same layer setting" in this application means that in the preparation process, the film layer formed by the same material is patterned to obtain at least two different features, and the at least two different features are the same layer settings.
  • the touch electrode 20 and the first signal transmission line 30 in this embodiment are obtained by patterning the same conductive film layer, then the touch electrode 20 and the first signal transmission line 30 are arranged on the same layer .
  • the first signal transmission line 30 of the touch electrode group in the same row is led out from the corresponding touch electrode 20 along the first direction X, and is connected between the touch electrode group and its adjacent touch electrodes.
  • the gaps between groups extend toward the second direction Y.
  • the first signal transmission line 30 may also be drawn out from the touch electrode 20 in a direction opposite to the first direction X, and extend toward the second direction Y.
  • the first signal transmission lines 30 corresponding to the touch electrodes 20 may be disposed close to the non-display area NA.
  • the non-display area NA includes a plurality of frame areas, such as an upper frame area 1, a lower frame area 2, a left frame area 3 and a right frame area 4 as schematically shown in FIG. 2, wherein the lower frame area 2 is provided with Binding area BA, the binding area BA is located on one side of the display area AA, of course, the lower frame area 2 is also provided with a bending area BE, the bending area BE is located on the display area AA Between the binding area BA and the binding area BA, the lower frame area 2 can be bent to the side of the display substrate 10 away from the touch electrodes 20 by setting a bending area BE, so as to realize a narrow frame area or no border area.
  • the lower frame area 2 can be bent to the side of the display substrate 10 away from the touch electrodes 20 by setting a bending area BE, so as to realize a narrow frame area or no border area.
  • the binding area BA is bound with a driver chip 40, the driver chip 40 includes a touch driver chip 41 and a display driver chip 42, the touch driver chip 41 is connected to the first signal transmission line 30, etc., for Touch driving signals are provided, and the display driving chip 42 is connected to the data lines 1253 for providing display driving signals.
  • the driver chip 40 of the present application may also use a TDDI (Touch Display Driver Integrated) chip.
  • the TDDI chip refers to the integration of the touch driver chip 41 and the display driver chip 42, and the two share one chip. , so that the cost of the chip can be reduced.
  • the driving chip 40 in this application is defined as the touch driving chip 41 .
  • the driving chip 40 is electrically connected to the first signal transmission line 30 for transmitting a driving signal to the first signal transmission line 30 .
  • the driving chip 40 provides a driving voltage to the corresponding touch electrode 20 through the first signal transmission line 30, and then the first signal transmission line 30 will transmit the sensing signal of the touch electrode 20 back to the During this period, if the touch electrode 20 is touched by a finger, a stylus, etc., the sensing signal will change, so as to determine the touch position.
  • the driving chip 40 When the driving chip 40 provides driving signals to the touch electrodes 20, it usually adopts a row scanning or column scanning method to provide the same driving signal for the touch electrodes 20 in the same column or row.
  • the touch electrodes 20 in other columns or rows provide different driving signals, such as grounding, voltage signals of different frequencies, and the like.
  • This application uses column scanning as an example to illustrate that the touch electrodes 20 in different columns have different driving signals, so that the first signal transmission line 30 of the same column and the touch electrodes 20 in adjacent columns with different drive signals.
  • the display panel 100 of the present application further includes a first signal shielding line 50, the first The signal shielding line 50 is arranged corresponding to the gap between two adjacent touch electrode groups, and the first signal transmission line 30 located in the same touch electrode group and all the adjacent touch electrode groups between the touch electrodes 20.
  • the first signal shielding line 50 is set on the same layer as the first signal transmission line 30, and the first signal shielding line 50 is also electrically connected to the driving chip 40, and the driving chip 40 provides the first signal The shielded wire 50 provides the drive signal.
  • the driving signal on the first signal shielding line 50 is the same as the driving signal on the corresponding first signal transmission line 30, so that the first signal shielding line 50 and the corresponding first signal transmission line There is no potential difference between 30, which will not cause interference to the first signal transmission line 30, and can also shield the interference of the touch electrodes 20 in adjacent columns on the first signal transmission line 30, and improve the performance of the display panel 100. Touch performance.
  • the driving signal on the first signal shielding line 50 of the present application may also be different from the driving signal on the corresponding first signal transmission line 30, for example, the driving signal on the first signal shielding line 50 is constant voltage signal, and remove the interference of the constant voltage signal on the first signal shielding line 50 to the first signal transmission line 30 through the chip algorithm of the driving chip 40 .
  • the first signal shielding lines 50 extend from the display area AA to the upper frame area 1, wherein the first signal shielding lines 50 close to the left frame area 3 are connected together in the upper frame area 1 , and extend into the left frame area 3, and extend from the left frame area 3 to the lower frame area 2 to electrically connect with the drive chip 40 on the left;
  • a signal shielding line 50 is connected together in the upper frame area 1, and extends into the right frame area 4, and extends from the right frame area 4 to the lower frame area 2 and the driver chip on the right 40 electrical connections.
  • the first signal shielding lines 50 can be divided into two groups, the first group of the first signal shielding lines 50 are led out from the drive chip 40 close to the left frame area 3, and pass through the non- The lower frame area 2, the left frame area 3, and the upper frame area 1 of the display area NA enter the display area AA, and extend toward the second direction Y in the display area AA; the second group of the first The signal shielding line 50 is drawn from the drive chip 40 close to the right frame area 4, and enters the display area AA through the lower frame area 2, the right frame area 4 and the upper frame area 1 of the non-display area NA in sequence. , and extend toward the second direction Y in the gap between adjacent touch electrode groups in the display area AA.
  • first signal shielding wires 50 of the present application can also be arranged in a group, and the group of the first signal shielding wires 50 exits from the left frame area 3 or the right frame area 4 of the non-display area NA. , and extend to the entire display area AA.
  • the functional area HA and the transition area FA are located between two adjacent touch electrode groups, more specifically, they may be located between two adjacent touch electrodes 20 , and between the two adjacent touch electrode groups.
  • the size of the touch electrodes 20 close to the transition area FA is smaller than the size of other touch electrodes 20, that is, the functional area HA and the transition area FA occupy part of the set
  • the area of the touch electrodes 20 is such that the first signal shielding line 50 located between two adjacent touch electrode groups needs to pass through the transition area FA or the functional area HA.
  • the size of the touch electrode 20 refers to the surface area of the touch electrode 20 in a top view, as shown in FIG. is the area of the square.
  • the first signal shielding wire 50 is arranged in the transition area FA, and the first signal shielding wire 50 is placed in the transition area FA.
  • the shape in the transition area FA matches the shape of the functional area HA.
  • the functional area HA in this embodiment is provided with a circular through hole, so that the shape of the functional area HA is circular, so that the The shape of the first signal shielding wire 50 located in the transition area FA is set in an arc shape to match the circular through hole in the functional area HA.
  • the present application is not limited thereto, and the through holes of the functional area HA described in the present application may also be in other shapes, such as square.
  • the functional area HA and the transition area FA occupy part of the area where the touch electrode 20 is arranged, so that the touch electrode 20 close to the transition area FA is incomplete.
  • compensation electrodes (not shown) can be set in the transition area FA to compensate the touch electrodes 20, and the compensation electrodes are electrically connected to the corresponding touch electrodes 20. connect.
  • the display substrate 10 and the touch function layer (the film layer where the elements that realize the touch function are located, can be removed by laser cutting, as described
  • the touch electrodes 20 and the like correspond to each film layer of the functional area HA.
  • cracks may occur at the cutting position.
  • the display panel 100 of the present application is also provided with a crack detection circuit 70.
  • the crack detection circuit 70 surrounds the functional area HA, and the crack detection circuit 70 is located on a side of the first signal shielding line 50 close to the functional area HA.
  • the crack detection circuit 70 includes a first crack detection line 71 and a second crack detection line 72.
  • the first crack detection line 71 and the second crack detection line 72 are electrically connected or integrated It is set so that the first crack detection line 71 and the second crack detection line 72 surround the crack detection circuit 70 in a closed loop.
  • the first crack detection line 71 extends from the transition area FA to the upper frame area 1, extends from the upper frame area 1 to the left frame area 3, and then extends from the left frame area 3 to the
  • the lower frame area 2 is electrically connected to the driving chip 40 on the left.
  • the first crack detection line 71 is located on the side of the first signal shielding line 50 away from the display area AA.
  • the second crack detection line 72 extends from the transition area FA to the upper frame area 1, extends from the upper frame area 1 to the right frame area 4, and then extends from the right frame area 4 to the
  • the lower frame area 2 is electrically connected to the driving chip 40 on the right.
  • the second crack detection line 72 is also located on the side of the first signal shielding line 50 away from the display area AA.
  • the display panel 100 of the present application further includes at least one signal monitoring line 60 , and the signal monitoring line 60 is arranged corresponding to the gap between two adjacent touch electrode groups.
  • the signal monitoring line 60 is also arranged on the same layer as the first signal transmission line 30, and the signal monitoring line 60 is also electrically connected to the driving chip 40, and the driving chip 40 provides monitoring for the signal monitoring line 60.
  • the first signal shielding line 50 can detect the interference from the display signal (such as the data line 1253, etc.) in the vertical direction in real time, and then the driver chip 40 monitors the interference detected by the line 60 according to the signal signal, and remove this part of the interference through the chip algorithm, so as to further improve the touch performance of the display panel 100 .
  • the signal monitoring line 60 also extends from the display area AA to the upper frame area 1, and extends from the upper frame area 1 to the left frame area 3 or the right frame area 4, and then from the The left frame area 3 or the right frame area 4 extends to the lower frame area 2 and is connected to the corresponding driving chip 40 .
  • the signal monitoring line 60 is located on the side of the first signal shielding line 50 away from the display area AA, and is located between the first signal shielding line 50 and the first Between the crack detection line 71 or the second crack detection line 72, so that the first crack detection line 71 or the second crack detection line 72 is located at the signal monitoring line 60 away from the first signal shielding line 50 side.
  • two signal monitoring lines 60 can be set, and the first signal monitoring line 60 is led out from the driving chip 40, and passes through the lower frame area 2 and the left frame area of the non-display area NA in sequence. 3 and the upper frame area 1 enter the display area AA, and extend toward the second direction Y in the display area AA; the second signal monitoring line 60 is drawn out from the driving chip 40, and sequentially Enter the display area AA through the lower frame area 2, the right frame area 4, and the upper frame area 1 of the non-display area NA, and move toward the display area AA in the gap between adjacent touch electrode groups. extending along the second direction Y. It can be understood that, the more the signal monitoring lines 60 are set, the more accurate the obtained interference signal data will be.
  • the signal monitoring line 60 is located on the side of the first signal shielding line 50 away from the display area AA, and in the display area AA, the signal monitoring line 60 is disposed close to the middle area of the display area AA, so as to prevent the signal monitoring line 60 from crossing the first signal shielding line 50 .
  • the functional area HA is located in the middle area of the display panel 100, and the signal detection line 60 is also located in the middle area of the display panel 100.
  • the signal detection line 60 also needs to pass through all In the functional area HA, part of the signal monitoring line 60 is located in the transition area FA, and the signal monitoring line 60 is located between the first signal shielding line 50 and the crack detection circuit 70 .
  • the shape of the signal monitoring line 60 located in the transition area FA also matches the shape of the crack detection circuit 70, so as to maximize the use of the space in the transition area FA and avoid setting a larger transition area.
  • FA affects the screen-to-body ratio of the display panel.
  • the functional area HA of the present application can also be located on both sides of the display panel 100, such as near the left frame area or the right frame area, and the signal monitoring line 60 is located in the middle of the display panel 100 area, so that the signal monitoring line 60 does not need to pass through the functional area HA, and at this time, the routing design of the signal monitoring line 60 does not need to be considered in the transition area FA, which is conducive to simplifying the routing design.
  • the display panel 100 further includes a floating (dummy) line 80 located in the transition area FA, the floating line 80 and the first signal Shielded wires 50 are located on opposite sides of the crack detection circuit 70 .
  • the shape of the floating line 80 also matches the crack detection circuit 70, and the number of the floating line 80 is two, so that the first signal shielding line on the crack detection circuit 70 side 50 and the signal monitoring line 60 correspond to the floating line 80 on the other side of the crack detection circuit 70, so that the metal traces in the transition area FA are evenly distributed to avoid Inhomogeneity leads to differences in reflection in local areas. In the state of not being lit, the visual screen will have differences in brightness and darkness.
  • the floating line 80 adopts a disconnected design, and has no electrical connection relationship with each component and each wiring in the display panel.
  • the solution of this application to improve the poor touch performance caused by signal interference by setting the first signal shielding line 50 and the signal monitoring line 60 is not limited to the DOT touch solution, for example, it can also be used in In the plug-in touch solution, the plug-in touch solution refers to disposing the touch electrodes 20 on the touch panel, and then laminating the touch panel on the display substrate 10 .
  • FIG. 7 is another schematic top view structure diagram of a display panel provided by an embodiment of the present application
  • FIG. 8 is an enlarged detailed view of area M in FIG. 7
  • the display panel 100 further includes a second signal shielding line 51 located between two adjacent touch electrode groups and electrically connected to the first signal shielding line 50 ,
  • the second signal shielding line 51 and the first signal shielding line 50 half surround the signal monitoring line 60 together, so that the second signal shielding line 51 is located between the signal monitoring line 60 and the touch electrode 20 In between, the signal monitoring line 60 is prevented from interfering with the touch electrode 20 .
  • part of the second signal shielding line 51 is also located in the transition area FA, and in the transition area FA, the first signal shielding line 50 and the second signal shielding line 51 are located in the crack opposite sides of the detection circuit 70 , and the second signal shielding line 51 is located on a side of the floating line 80 away from the crack detection circuit 70 .
  • the shape of the second signal shielding line 51 in the transition area FA also matches the shape of the crack detection circuit 70, and the number of the floating line 80 is one, so that the crack detection
  • the first signal shielding line 50 and the signal monitoring line 60 on one side of the circuit 70 correspond to the second signal shielding line 51 and the floating line 80 on the other side of the crack detection circuit 70 respectively,
  • the metal traces in the transition area FA are evenly distributed. For other descriptions, please refer to the above-mentioned embodiments, which will not be repeated here.
  • FIG. 9 is a schematic cross-sectional structure diagram of a display panel provided by an embodiment of the present application.
  • an insulating protective layer 90 is disposed between the touch electrodes 20 of the display panel 100 and the display substrate 10 , and the first signal transmission line 30 passes through the insulating protective layer 90 .
  • the first via hole 91 is electrically connected to the corresponding touch electrode 20 .
  • the material of the insulating protective layer 90 includes inorganic materials such as silicon oxide and silicon nitride, and the insulating protective layer 90 can protect the first signal transmission line 30 and prevent adjacent first signal transmission lines 30 from short circuit between.
  • the first signal transmission line 30 is electrically connected to the corresponding touch electrode 20 through the first via hole 91.
  • the number of the first via hole 91 is at least one. Of course, multiple first via holes 91 are provided.
  • the via hole 91 connects the first signal transmission line 30 to the corresponding touch electrode 20 , which can improve connection stability and reduce impedance.
  • the first signal transmission line 30 is arranged corresponding to the touch electrode 20, and the orthographic projection of the first signal transmission line 30 on the display substrate 10 falls on the touch electrode 20 on the display substrate. 10 on the range of the orthographic projection. More specifically, the first signal transmission line 30 is arranged corresponding to the touch electrode wiring 21 of the touch electrode 20 to avoid the mesh 22 of the touch electrode 20 and avoid the influence of the first signal transmission line 30 The light emitted by the light emitting unit 131 .
  • the signal monitoring line 60 is set on the same layer as the first signal transmission line 30, and corresponds to the gap between two adjacent columns of the touch electrode groups, so that the signal monitoring line 60
  • the orthographic projection on the substrate 10 does not overlap with the orthographic projection of the touch electrode 20 on the display substrate 10 .
  • the signal monitoring line 60 can be close to the display substrate 10 to better monitor the interference from the display signal in the display substrate 10 in real time, and at the same time, the signal monitoring line 60 can be connected to the first signal
  • the transmission line 30 is kept at a certain distance to prevent the signal monitoring line 60 from interfering with the first signal transmission line 30 .
  • the signal monitoring line 60 can also be arranged on the same layer as the touch control electrode 20 , which can also realize real-time monitoring of the interference from the display signal in the display substrate 10 .
  • the first signal shielding line 50 includes a first sub-signal shielding line 511 and a second sub-signal line electrically connected to the first sub-signal shielding line 511 through the third via hole 93 of the insulating protection layer 90 .
  • the shielding line 512 , the first sub-signal shielding line 511 is set on the same layer as the touch electrode 20
  • the second sub-signal shielding line 512 is set on the same layer as the first signal transmission line 30 .
  • the first sub-signal shielding line 511 and the second sub-signal shielding line 512 have the same length, and the first sub-signal shielding line 511 and the second sub-signal shielding line
  • the signal shielding lines 512 are connected through the third via hole 93 , and the number of the third via hole 93 is at least one.
  • the first signal shielding wire 50 is designed with upper and lower layers, which can better shield the signal interference on the left and right sides, and the double-layer design is equivalent to increasing the thickness of the first signal shielding wire 50, which can better block the potential difference influence, and at the same time, the double-layer design can reduce the wiring impedance, so as to reduce the signal attenuation inside the first signal shielding line 50 and ensure the shielding effect.
  • the crack detection circuit 70 and the floating line can be arranged on the same layer as the first signal transmission line 30 or the touch electrode 20, as shown in FIG. 9 , the The crack detection circuit 70 is set on the same layer as the first signal transmission line 30 .
  • the above-mentioned embodiments please refer to the above-mentioned embodiments, which will not be repeated here.
  • FIG. 10 is another schematic cross-sectional structure diagram of a display panel provided by an embodiment of the present application.
  • the signal monitoring line 60 of the display panel 100 also adopts a double-layer design, specifically, the signal monitoring line 60 includes a first sub-signal monitoring line 61 and a The second via hole 92 of 90 is electrically connected to the second sub-signal monitoring line 62 of the first sub-signal monitoring line 61, and the first sub-signal monitoring line 61 is set on the same layer as the touch electrode 20, and the The second sub-signal monitoring line 62 is set on the same layer as the first signal transmission line 30 .
  • both the crack detection circuit 70 and the floating line can be arranged on the same layer as the first signal transmission line 30 or the touch electrode 20, as shown in FIG. 10
  • the crack detection circuit 70 is arranged on the same layer as the touch electrode 20
  • the present application is not limited thereto, and the crack detection circuit 70 and the floating line in the present application can also be arranged in double layers.
  • the floating line can also be arranged on the same layer as the first signal transmission line 30 or/and the touch electrode 20 .
  • the solution of this application to improve the poor touch performance caused by signal interference by setting the first signal shielding line 50 and the signal monitoring line 60 is not limited to the self-capacitive touch solution listed in the above-mentioned embodiments. Among them, it can also be used in a single-layer mutual capacitive touch solution, which will not be repeated here.
  • an electronic device includes the display panel of one of the above embodiments and a camera set corresponding to the functional area of the display panel, the electronic device includes a mobile phone, a tablet, a notebook, etc. electronic product.
  • the present application provides a display panel and an electronic device.
  • the display panel includes a functional area, a display area disposed close to the functional area, and a transition area between the functional area and the display area.
  • the display panel also includes A display substrate and a touch layer disposed on the display substrate, the touch layer includes a plurality of touch electrode groups arranged at intervals along the first direction on one side of the display area, and the plurality of touch electrodes The group corresponds to the display area, each of the touch electrode groups includes at least one touch electrode arranged along the second direction, the functional area and the transition area are located between two adjacent touch electrodes Each touch electrode is electrically connected to a first signal transmission line, and the first signal transmission line of the same touch electrode group is arranged between the touch electrodes of the adjacent touch electrode group.
  • first signal shielding line There is a first signal shielding line, the first signal shielding line is arranged corresponding to the gap between two adjacent touch electrode groups, and part of the first signal shielding line is located in the transition area, the first signal shielding line
  • a signal shielding line can shield the signal interference of the touch electrode to the first signal transmission line; at the same time, at least one signal monitoring line is provided corresponding to the gap between two adjacent touch electrode groups, and part of the
  • the signal monitoring line can also be located in the transition area, and the signal monitoring line can monitor the interference signal in real time, and remove this part of the interference signal through the chip algorithm to improve the problem of poor touch performance caused by signal interference and a closed-loop crack detection circuit is also provided in the transition zone to detect whether cracks are generated when digging holes in the functional zone, and the signal monitoring line is located between the crack detection circuit and the first signal shielding line In this way, while achieving the purpose of crack detection in the functional area, it can also solve the problem of poor touch performance in the existing hole-digging screen.

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Abstract

一种显示面板（100）和电子装置，显示面板（100）的功能区（HA）和过渡区（FA）位于相邻的两个触控电极（20）之间，每个触控电极（20）与一条第一信号传输线（30）电连接，同一触控电极组的第一信号传输线（30）与相邻触控电极组的触控电极（20）之间设置有第一信号屏蔽线（50），且部分第一信号屏蔽线（50）位于过渡区（FA），以缓解现有挖孔屏存在触控性能不佳的问题。

Description

显示面板和电子装置 技术领域
本申请涉及显示技术领域，尤其涉及一种显示面板和电子装置。
 背景技术
有机发光二极管(Organic Light Emitting Diode，OLED)显示器具有主动发光、可视角度大，色域宽、亮度高、响应速度快、低功耗以及结构上可弯曲等优点，越来越受到市场的欢迎。同时为了实现高屏占比，出现了刘海屏、水滴屏、挖孔（O-Cut）屏等异形显示屏，其中挖孔屏是对显示屏进行切割形成通孔以放置摄像头等功能元件。而为了实现显示屏的触控功能并降低显示屏的厚度，出现了一种Oncell触控方案，该方案是把触控面板设置在OLED面板上，触控面板可采用自电容结构，也即自容式Oncell触控（Self Capacitance Direct Oncell Touch，S-DOT）方案。自电容结构包括多个独立的子触控电极，每个独立的子触控电极均单独通过触控导线引出，可以有效提高触控灵敏度等性能，但触控导线与相邻的子触控电极之间存在信号干扰，会导致触控性能不佳。
因此，现有挖孔屏存在触控性能不佳的问题需要解决。
 技术问题
本申请提供一种显示面板和电子装置，以缓解现有挖孔屏存在触控性能不佳的技术问题。
 技术解决方案
为解决上述问题，本申请提供的技术方案如下：
本申请实施例提供一种显示面板，其包括：包括功能区、靠近所述功能区设置的显示区以及位于所述功能区和所述显示区之间的过渡区，所述显示面板还包括：
显示基板；
触控层，设置在所述显示基板上，包括多个沿第一方向间隔排布在所述显示区的触控电极组，每个所述触控电极组包括至少一个沿第二方向排布的触控电极；
多条第一信号传输线，每条所述第一信号传输线与一个所述触控电极电连接；
第一信号屏蔽线，与相邻两个所述触控电极组之间的间隙对应设置，且位于同一所述触控电极组的所述第一信号传输线与相邻所述触控电极组的所述触控电极之间；
其中，所述功能区和所述过渡区位于相邻的两个所述触控电极组之间，且在两个所述触控电极组中，靠近所述过渡区的所述触控电极的尺寸小于其他触控电极的尺寸，所述第一信号屏蔽线穿过所述过渡区，且在所述过渡区内，所述第一信号屏蔽线的外形与对应的所述功能区的外形相匹配。
在本申请实施例提供的显示面板中，所述显示面板还包括裂纹检测电路，在所述过渡区，所述裂纹检测电路围绕所述功能区，且所述裂纹检测电路位于所述第一信号屏蔽线靠近所述功能区的一侧。
在本申请实施例提供的显示面板中，所述裂纹检测电路包括第一裂纹检测线和第二裂纹检测线，在所述过渡区，所述第一裂纹检测线和所述第二裂纹检测线电连接或一体式设置，使得所述第一裂纹检测线和所述第二裂纹检测线围设成闭环的裂纹检测电路。
在本申请实施例提供的显示面板中，所述显示面板还包括至少一条信号监测线，所述信号监测线与相邻两个所述触控电极组之间的间隙对应设置。
在本申请实施例提供的显示面板中，所述功能区位于所述显示面板的中间区域，且在所述过渡区内，所述信号监测线位于所述第一信号屏蔽线和所述功能区之间。
在本申请实施例提供的显示面板中，所述显示面板还包括位于相邻的两个所述触控电极组之间，且与所述第一信号屏蔽线电连接的第二信号屏蔽线，所述第二信号屏蔽线和所述第一信号屏蔽线一起半包围所述信号监测线。
在本申请实施例提供的显示面板中，所述显示面板还包括位于所述过渡区的浮置线，所述浮置线和所述第一信号屏蔽线位于所述功能区的相对两侧。
在本申请实施例提供的显示面板中，所述显示面板还包括位于相邻的两个所述触控电极组之间，且与所述第一信号屏蔽线电连接的第二信号屏蔽线，所述第二信号屏蔽线和所述第一信号屏蔽线一起半包围所述信号监测线；
在所述过渡区，所述第一信号屏蔽线和所述第二信号屏蔽线位于所述功能区的相对两侧，且所述第二信号屏蔽线位于所述浮置线远离所述功能区的一侧。
在本申请实施例提供的显示面板中，所述显示面板还包括围绕所述显示区的非显示区，所述非显示区包括相对的上边框区和下边框区，以及连接所述上边框区和所述下边框区的左边框区和右边框区，所述第一信号屏蔽线从所述显示区延伸至所述上边框区，其中靠近所述左边框区的所述第一信号屏蔽线在所述上边框区连接在一起，并延伸至所述左边框区内；靠近所述右边框区的所述第一信号屏蔽线在所述上边框区连接在一起，并延伸至所述右边框区内。
在本申请实施例提供的显示面板中，所述显示面板还包括至少一条信号监测线，所述信号监测线与相邻两个所述触控电极组之间的间隙对应设置；
所述信号监测线也从所述显示区延伸至所述上边框区，并从所述上边框区延伸至所述左边框区或所述右边框区，且在所述非显示区内，所述信号监测线位于所述第一信号屏蔽线远离所述显示区的一侧。
在本申请实施例提供的显示面板中，所述显示面板还包括裂纹检测电路，在所述过渡区，所述裂纹检测电路围绕所述功能区，且所述裂纹检测电路位于所述第一信号屏蔽线靠近所述功能区的一侧，所述裂纹检测电路包括第一裂纹检测线和第二裂纹检测线；
所述第一裂纹检测线从所述过渡区延伸至所述上边框区，并从所述上边框区延伸至所述左边框区，且在所述非显示区内，所述第一裂纹检测线位于所述信号监测线远离所述第一信号屏蔽线的一侧；所述第二裂纹检测线从所述过渡区延伸至所述上边框区，并从所述上边框区延伸至所述右边框区，且在所述非显示区内，所述第二裂纹检测线位于所述信号监测线远离所述第一信号屏蔽线的一侧。
在本申请实施例提供的显示面板中，所述下边框区设置有绑定区，所述绑定区绑定有驱动芯片，所述第一信号传输线、所述第一信号屏蔽线、所述信号监测线、所述第一裂纹检测线以及所述第二裂纹检测线均与所述驱动芯片电连接，其中所述第一信号屏蔽线、所述信号监测线、所述第一裂纹检测线以及所述第二裂纹检测线均从所述左边框区或所述右边框区延伸至所述下边框区与所述驱动芯片电连接。
在本申请实施例提供的显示面板中，所述显示面板还包括补偿电极，所述补偿电极设置于所述过渡区，并与对应的所述触控电极电连接。
在本申请实施例提供的显示面板中，所述第一信号屏蔽线上的驱动信号与对应的所述第一信号传输线上的驱动信号相同。
在本申请实施例还提供一种电子装置，其包括前述实施例其中之一的所述显示面板以及对应所述显示面板的功能区设置的摄像头。
 有益效果
本申请提供的显示面板和电子装置中显示面板包括功能区、靠近所述功能区设置的显示区以及位于所述功能区和所述显示区之间的过渡区，所述显示面板还包括显示基板以及设置在所述显示基板上的触控层，所述触控层包括沿第一方向间隔排布在所述显示区的多个触控电极组，每个所述触控电极组包括至少一个沿第二方向排布的触控电极，所述功能区和所述过渡区位于相邻的两个所述触控电极之间，每个所述触控电极与一条第一信号传输线电连接，同一所述触控电极组的所述第一信号传输线与相邻所述触控电极组的所述触控电极之间设置有第一信号屏蔽线，所述第一信号屏蔽线与相邻两个所述触控电极组之间的间隙对应设置，且部分所述第一信号屏蔽线位于所述过渡区，所述第一信号屏蔽线能够屏蔽所述触控电极对所述第一信号传输线的信号干扰，从而解决了现有挖孔屏存在触控性能不佳的问题。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的显示面板的一种俯视结构示意图。
图2为本申请实施例提供的显示面板的另一种俯视结构示意图。
图3为图2中W区域的放大细节图。
图4为图3中沿A-A’的剖面结构示意图。
图5为图4中显示基板的细节结构示意图。
图6为本申请实施例提供的触控电极的细节结构示意图。
图7为本申请实施例提供的显示面板的又一种俯视结构示意图。
图8为图7中M区域的放大细节图。
图9为本申请实施例提供的显示面板的一种剖面结构示意图。
图10为本申请实施例提供的显示面板的另一种剖面结构示意图。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本申请，而非用以限制本申请。在图中，结构相似的单元是用以相同标号表示。在附图中，为了清晰理解和便于描述，夸大了一些层和区域的厚度。即附图中示出的每个组件的尺寸和厚度是任意示出的，但是本申请不限于此。
请结合参照图1至图6，图1为本申请实施例提供的显示面板的一种俯视结构示意图，图2为本申请实施例提供的显示面板的另一种俯视结构示意图，图3为图2中W区域的放大细节图，图4为图3中沿A-A’的剖面结构示意图，图5为图4中显示基板的细节结构示意图，图6为本申请实施例提供的触控电极的细节结构示意图。所述显示面板100包括功能区HA、靠近所述功能区HA设置的显示区AA、位于所述功能区HA和所述显示区AA之间的过渡区FA以及围绕所述显示区AA的非显示区NA。所述功能区HA可位于所述显示面板100的任意区域，所述过渡区FA用于实现所述功能区HA到所述显示区AA的平稳过渡，以减小所述功能区HA对所述显示区AA的影响。
所述功能区HA内可放置听筒、摄像头、各种传感器等功能元件，以实现摄像、光感、指纹识别等功能，进而提高所述显示面板100的屏占比。以实现摄像功能为例，所述功能区HA可设置通孔，通孔用于放置摄像头，以实现屏内摄像头，当然地，所述功能区HA也可不设置通孔，而采用屏下摄像头技术实现摄像功能。本申请以所述功能区HA设置通孔以实现摄像功能为例说明。
具体地，所述显示面板100包括显示基板10以及设置所述显示基板10上的触控层，所述触控层包括多个触控电极组，多个所述触控电极组沿第一方向X间隔排布在所述显示基板10的一侧，且对应所述显示区AA，每个所述触控电极组包括至少一个沿第二方向Y排布的触控电极20，所述功能区HA和所述过渡区FA位于相邻的两个所述触控电极20之间。其中所述第一方向X为水平方向，所述第二方向Y为竖直方向，所述第一方向X和所述第二方向Y呈90度夹角，当然地，本申请不限于此，本申请的所述第一方向X和所述第二方向Y也可呈其他角度的夹角设置。
可选地，触控层可采用DOT（Direct Oncell Touch，触控功能直接制备在显示单元上）触控方案把所述触控电极20直接制备在所述显示基板10上，使所述显示面板100具有更好的集成度、透过率、耐弯折性能，且可以有效减小屏幕的厚度，降低产品成本。
具体地，所述显示基板10包括衬底11以及依次层叠设置在所述衬底11上的驱动电路层12、发光功能层13和封装层14，所述触控电极20直接制备在所述封装层14上。
可选地，所述衬底11可以为刚性基板或柔性基板；所述衬底11为刚性基板时，可包括玻璃基板等硬性基板；所述衬底11为柔性基板时，可包括聚酰亚胺（Polyimide，PI）薄膜、超薄玻璃薄膜等柔性基板，采用柔性基板作衬底11可以制作柔性显示面板，以实现显示面板100的弯折、卷曲等特殊性能。
可选地，所述衬底11和所述驱动电路层12之间还可设置缓冲层15，所述缓冲层15的材料可包括氧化硅（SiOx）、氮化硅（SiNx）、氮氧化硅（SiON）等无机材料，所述缓冲层15可以进一步防止不期望的杂质或污染物（例如湿气、氧气等）从所述衬底11扩散至可能因这些杂质或污染物而受损的器件中，同时还可以提供平坦的顶表面。
所述驱动电路层12包括依次层叠设置在所述缓冲层15上的有源层121、栅极绝缘层122、栅极123、层间绝缘层124、源漏极层125、平坦化层126、像素电极127以及像素定义层128，所述有源层121包括沟道区1211以及位于所述沟道区1211两侧的源极区1212和漏极区1213。所述栅极绝缘层122覆于所述有源层121及所述缓冲层15上，所述栅极123设置与所述栅极绝缘层122上，且所述栅极123与所述沟道区1211对应设置。
所述层间绝缘层124覆于所述栅极123以及所述栅极绝缘层122上，所述源漏极层125设置于所述层间绝缘层124上，所述源漏极层125图案化形成源极1251、漏极1252以及数据线1253等，所述源极1251通过所述层间绝缘层124的过孔与所述源极区1212连接，所述漏极1252通过所述层间绝缘层124的另一过孔与所述漏极区1213连接。
所述平坦化层126覆于所述源漏极层125以及所述层间绝缘层124上，设置所述平坦化层126可为所述显示面板100提供平坦的膜层表面，以提高制备发光功能层13的稳定性。所述像素电极127设置于所述平坦化层126上，并通过所述平坦化层126的过孔与所述源极1251或所述漏极1252连接，本申请以所述像素电极127与所述漏极1252连接为例说明。
所述像素定义层128覆于所述像素电极127以及所述平坦化层126上，所述像素定义层128图案化形成有像素开口，所述像素开口裸露出部分所述像素电极127，以定义出发光区域。
需要说明的是，本申请驱动电路层12的结构不限于本实施例示意的，本申请的驱动电路层12还可包括更多或更少的膜层，且各膜层的位置关系也不限于本实施例示意的，比如所述栅极123还可位于所述有源层121的下方，形成底栅结构。所述驱动电路层12用于给所述发光功能层13提供驱动电压，以使所述发光功能层13发光。
所述发光功能层13包括发光单元131以及阴极132。所述发光单元131是把不同颜色的发光材料整面设置在所述驱动电路层12的表面形成，不同颜色的发光材料发射不同颜色的光，比如红色发光材料发射红光，绿色发光材料发射绿光，蓝色发光材料发射蓝光。
所述阴极132覆盖所述发光单元131，所述发光单元131在所述像素电极127和所述阴极132的共同作用下发光，不同颜色的发光单元131发射不同颜色的光，进而实现显示面板100的全彩显示。
可选地，所述像素电极127可以是透明电极或反射电极，如果所述像素电极127是透明电极，则所述像素电极127可以由例如氧化铟锡(ITO)、氧化铟锌(IZO)、ZnO或In2O3形成。如果所述像素电极127是反射电极，则所述像素电极127例如可以包括由Ag、Mg、Al、Pt、Pd、Au、Ni、Nd、Ir、Cr或它们的组合形成的反射层以及由ITO、IZO、ZnO或In2O3形成的层。然而，像素电极127不限于此，像素电极127可以由各种材料形成，并且也可以形成为单层或多层结构。
需要说明的是，所述像素电极127具体是采用透明电极还是反射电极需取决于所述显示面板100的出光方向，当显示面板100采用顶发光时，所述像素电极127可以是透明电极或反射电极，当然地，采用反射电极时能够提高发光单元131发出光线的利用率；当显示面板100采用底发光时，所述像素电极127采用透明电极，以提高光线的透过率。本实施例以所述显示面板100采用顶发光为例说明，为了提高光线的透过率，所述阴极132需采用透明导电材料形成。例如所述阴极132可由ITO、IZO、ZnO或In2O3等透明导电氧化物（Transparent Conductive Oxide，TCO）形成。
可选地，所述发光功能层13还可包括设置于所述发光单元131与所述像素电极127之间的空穴注入层(HIL)、空穴传输层(HTL)；以及设置于所述发光单元131与所述阴极132之间的电子注入层(EIL)、电子传输层(ETL)。空穴注入层接收像素电极127传输的空穴，空穴经由空穴传输层传输至发光单元131，电子注入层接收阴极132传输的电子，电子经由电子传输层传输至发光单元131，空穴和电子在发光单元131位置结合后产生激子，激子由激发态跃迁至基态释放能量并发光。
所述封装层14覆盖所述发光功能层13，用于保护所述发光功能层13的发光单元131，避免水氧入侵导致发光单元131失效。可选地，所述封装层14可采用薄膜封装，比如所述封装层14可以为由第一无机封装层、有机封装层、第二无机封装层三层薄膜依次层叠形成的叠层结构或更多层的叠层结构。
所述触控电极20直接制备在所述封装层14上，且所述触控电极20阵列排布在所述封装层14上，每一列所述触控电极20作为一个触控电极组，多个触控电极组沿所述第一方向X间隔排布，每一列所述触控电极组至少包括一个沿所述第二方向Y排布的触控电极20。每一所述触控电极20均包括多条交叉设置的触控电极走线21，多条交叉设置的触控电极走线21使所述触控电极20呈网眼（mesh）状设计，如图6所示。其中所述网眼22是指由所述触控电极走线21围设形成的开孔区域，所述网眼22与所述显示基板10的发光单元131对应设置，以避免所述触控电极20影响所述发光单元131的出光。
下面将以所述显示面板100包括5列触控电极组，每列触控电极组包括3个触控电极20为例具体阐述所述显示面板100的触控功能结构：
五列所述触控电极组沿第一方向X间隔排布，每列所述触控电极组的三个触控电极20沿第二方向Y间隔排布。所述显示面板100还包括多条第一信号传输线30，每条所述第一信号传输线30与一个所述触控电极20电连接，且所述第一信号传输线30与所述触控电极20同层设置。需要说明的是，本申请中的“同层设置”是指在制备工艺中，将相同材料形成的膜层进行图案化处理得到至少两个不同的特征，则所述至少两个不同的特征同层设置。比如，本实施例的所述触控电极20与所述第一信号传输线30由同一导电膜层进行图案化处理后得到，则所述触控电极20与所述第一信号传输线30同层设置。
同一列所述触控电极组的所述第一信号传输线30沿所述第一方向X从对应的所述触控电极20引出，并在该所述触控电极组与其相邻的触控电极组之间的间隙内朝所述第二方向Y延伸。可以理解的是，所述第一信号传输线30也可沿与所述第一方向X相反的方向从所述触控电极20引出，并朝所述第二方向Y延伸。而对于靠近所述非显示区NA的一列所述触控电极组，所述触控电极20对应的所述第一信号传输线30靠近所述非显示区NA设置即可。
所述非显示区NA包括多个边框区，如图2示意性示出的上边框区1、下边框区2、左边框区3以及右边框区4，其中在所述下边框区2设置有绑定区BA，所述绑定区BA位于所述显示区AA的一侧，当然地，所述下边框区2还设置有弯折区BE，所述弯折区BE位于所述显示区AA和所述绑定区BA之间，通过设置弯折区BE能够把所述下边框区2弯折到所述显示基板10远离所述触控电极20的一侧，以实现窄边框区或无边框区。所述绑定区BA绑定有驱动芯片40，所述驱动芯片40包括触控驱动芯片41和显示驱动芯片42，所述触控驱动芯片41与所述第一信号传输线30等连接，用于提供触控驱动信号，所述显示驱动芯片42与所述数据线1253等连接，用于提供显示驱动信号。当然地，本申请的驱动芯片40也可采用TDDI（Touch Display Driver Integrated，触控显示驱动集成）芯片，TDDI芯片是指触控驱动芯片41和显示驱动芯片42集成在一块，两者共用一个芯片，以此可以降低芯片的成本。
需要说明的是，本申请在没有特别指出所述驱动芯片40的类型时，本申请的所述驱动芯片40均以所述触控驱动芯片41释义。所述驱动芯片40与所述第一信号传输线30电连接，用于给所述第一信号传输线30传输驱动信号。所述驱动芯片40通过所述第一信号传输线30提供驱动电压给对应的所述触控电极20，然后所述第一信号传输线30会把所述触控电极20的感应信号传回给所述驱动芯片40，在此期间所述触控电极20如果受到例如手指、触控笔等的触摸，感应信号会发生变化，以此来判断触摸位置。
而所述驱动芯片40在给所述触控电极20提供驱动信号时，通常可采用行扫描或列扫描方式，针对同一列或同一行的所述触控电极20提供同一种驱动信号，而针对其他列或其他行的所述触控电极20提供不同的驱动信号，比如接地、不同频率的电压信号等。本申请以采用列扫描为例说明，不同列的所述触控电极20具有不同的驱动信号，如此同一列所述功能单组的所述第一信号传输线30与相邻列的触控电极20具有不同的驱动信号。
为了避免相邻两列所述触控电极组由于驱动信号不同导致的对所述第一信号传输线30的干扰，本申请的所述显示面板100还包括第一信号屏蔽线50，所述第一信号屏蔽线50与相邻两个所述触控电极组之间的间隙对应设置，且位于同一所述触控电极组的所述第一信号传输线30与相邻所述触控电极组的所述触控电极20之间。所述第一信号屏蔽线50与所述第一信号传输线30同层设置，且所述第一信号屏蔽线50也与所述驱动芯片40电连接，所述驱动芯片40给所述第一信号屏蔽线50提供驱动信号。
可选地，所述第一信号屏蔽线50上的驱动信号与对应的所述第一信号传输线30上的驱动信号相同，如此所述第一信号屏蔽线50与对应的所述第一信号传输线30之间不存在电势差，不会对所述第一信号传输线30造成干扰，而且还能够屏蔽相邻列的触控电极20对所述第一信号传输线30的干扰，提高所述显示面板100的触控性能。当然地，本申请的所述第一信号屏蔽线50上的驱动信号也可与对应的所述第一信号传输线30上的驱动信号不同，比如所述第一信号屏蔽线50上的驱动信号为恒定的电压信号，并通过所述驱动芯片40的芯片算法去除所述第一信号屏蔽线50上恒定的电压信号对所述第一信号传输线30的干扰。
所述第一信号屏蔽线50从所述显示区AA延伸至所述上边框区1，其中靠近所述左边框区3的所述第一信号屏蔽线50在所述上边框区1连接在一起，并延伸至所述左边框区3内，并从所述左边框区3延伸至所述下边框区2与左边的所述驱动芯片40电连接；靠近所述右边框区4的所述第一信号屏蔽线50在所述上边框区1连接在一起，并延伸至所述右边框区4内，并从所述右边框区4延伸至所述下边框区2与右边的所述驱动芯片40电连接。具体地，所述第一信号屏蔽线50可分为两组，第一组所述第一信号屏蔽线50从靠近所述左边框区3的所述驱动芯片40引出，并依次经过所述非显示区NA的下边框区2、左边框区3以及上边框区1进入所述显示区AA，并在所述显示区AA内朝着所述第二方向Y延伸；第二组所述第一信号屏蔽线50从靠近所述右边框区4的所述驱动芯片40引出，并依次经过所述非显示区NA的下边框区2、右边框区4以及上边框区1进入所述显示区AA，并在所述显示区AA的相邻的触控电极组之间的间隙内朝着所述第二方向Y延伸。当然地，本申请的所述第一信号屏蔽线50也可设置为一组，该一组所述第一信号屏蔽线50从所述非显示区NA的左边框区3或者右边框区4出线，并延伸至整个所述显示区AA。
另外，由于所述功能区HA和所述过渡区FA位于相邻的两个触控电极组之间，更具体地，可位于相邻的两个所述触控电极20之间，且在两个所述触控电极组中，靠近所述过渡区FA的所述触控电极20的尺寸小于其他触控电极20的尺寸，也即所述功能区HA和所述过渡区FA占用了部分设置所述触控电极20的区域，使得位于该相邻两个触控电极组之间的所述第一信号屏蔽线50需要穿过所述过渡区FA或所述功能区HA。其中所述触控电极20的尺寸是指在俯视状态下所述触控电极20的表面积大小，如图2所示，所述触控电极20以方形示意，则所述触控电极20的尺寸即为该方形的面积。
而为了避免所述第一信号屏蔽线50对所述功能区HA的采光造成影响，该所述第一信号屏蔽线50设置在所述过渡区FA，且所述第一信号屏蔽线50在所述过渡区FA内的外形与所述功能区HA的外形相匹配，例如本实施例的所述功能区HA设置有圆形通孔，使得所述功能区HA的外形为圆形，如此可把位于所述过渡区FA的所述第一信号屏蔽线50的外形设置为弧形，以与所述功能区HA的圆形通孔相匹配。当然地，本申请不限于此，本申请所述功能区HA的通孔还可为其他形状，如方形等。
其中，所述功能区HA和所述过渡区FA占用了部分设置所述触控电极20的区域，使得靠近所述过渡区FA的所述触控电极20是不完整的，为了不影响该所述触控电极20的触控性能，可在所述过渡区FA内设置补偿电极（图未示）以补偿该所述触控电极20，所述补偿电极与对应的所述触控电极20电连接。
可以理解的是，在所述功能区HA设置通孔时，可采用激光切割的方式去除所述显示基板10和所述触控功能层（实现触控功能的元件所在的膜层，如所述触控电极20等）对应所述功能区HA的各膜层。而在采用激光切割去除这些膜层的时候，切割位置可能会产生裂纹，为了检测激光切割时是否有裂纹产生，本申请的所述显示面板100还设置有裂纹检测电路70，在所述过渡区FA，所述裂纹检测电路70围绕所述功能区HA，且所述裂纹检测电路70位于所述第一信号屏蔽线50靠近所述功能区HA的一侧。
所述裂纹检测电路70包括第一裂纹检测线71和第二裂纹检测线72，在所述过渡区FA，所述第一裂纹检测线71和所述第二裂纹检测线72电连接或一体式设置，使得所述第一裂纹检测线71和所述第二裂纹检测线72围设成闭环的裂纹检测电路70。所述第一裂纹检测线71从所述过渡区FA延伸至所述上边框区1，并从所述上边框区1延伸至所述左边框区3，再从所述左边框区3延伸至所述下边框区2与左边的所述驱动芯片40电连接。且在所述非显示区NA内，所述第一裂纹检测线71位于所述第一信号屏蔽线50远离所述显示区AA的一侧。所述第二裂纹检测线72从所述过渡区FA延伸至所述上边框区1，并从所述上边框区1延伸至所述右边框区4，再从所述右边框区4延伸至所述下边框区2与右边的所述驱动芯片40电连接。且在所述非显示区NA内，所述第二裂纹检测线72也位于所述第一信号屏蔽线50远离所述显示区AA的一侧。
另外，本申请的所述显示面板100还包括至少一条信号监测线60，所述信号监测线60与相邻两个所述触控电极组之间的间隙对应设置。所述信号监测线60也与所述第一信号传输线30同层设置，且所述信号监测线60也与所述驱动芯片40电连接，所述驱动芯片40给所述信号监测线60提供监测信号，使得所述第一信号屏蔽线50能够实时侦测垂直方向上来自于显示信号（如数据线1253等）的干扰，然后所述驱动芯片40根据所述信号监测线60侦测到的干扰信号，通过芯片算法去除该部分干扰，从而进一步提高所述显示面板100的触控性能。
所述信号监测线60也从所述显示区AA延伸至所述上边框区1，并从所述上边框区1延伸至所述左边框区3或所述右边框区4，再从所述左边框区3或所述右边框区4延伸至所述下边框区2与对应的所述驱动芯片40连接。且在所述非显示区NA内，所述信号监测线60位于所述第一信号屏蔽线50远离所述显示区AA的一侧，且位于所述第一信号屏蔽线50与所述第一裂纹检测线71或所述第二裂纹检测线72之间，使得所述第一裂纹检测线71或所述第二裂纹检测线72位于所述信号监测线60远离所述第一信号屏蔽线50的一侧。
具体地，所述信号监测线60可设置为两条，第一条所述信号监测线60从所述驱动芯片40引出，并依次经过所述非显示区NA的下边框区2、左边框区3以及上边框区1进入所述显示区AA，并在所述显示区AA内朝着所述第二方向Y延伸；第二条所述信号监测线60从所述驱动芯片40引出，并依次经过所述非显示区NA的下边框区2、右边框区4以及上边框区1进入所述显示区AA，并在所述显示区AA的相邻的触控电极组之间的间隙内朝着所述第二方向Y延伸。可以理解的是，所述信号监测线60设置的条数越多，获得的干扰信号数据越准确。另外，在所述非显示区NA内，所述信号监测线60位于所述第一信号屏蔽线50远离所述显示区AA的一侧，而在所述显示区AA内，所述信号监测线60靠近所述显示区AA的中间区域设置，以避免所述信号监测线60与所述第一信号屏蔽线50交叉。
可选地，所述功能区HA位于所述显示面板100的中间区域，而所述信号检测线60也位于所述显示面板100的中间区域，此时所述信号检测线60也需要穿过所述功能区HA，使得部分所述信号监测线60位于所述过渡区FA，且所述信号监测线60位于所述第一信号屏蔽线50和所述裂纹检测电路70之间。位于所述过渡区FA的所述信号监测线60的外形也与所述裂纹检测电路70的外形相匹配，以最大化的利用所述过渡区FA的空间，避免设置较大的所述过渡区FA影响所述显示面板的屏占比。
可以理解的是，本申请的所述功能区HA还可位于所述显示面板100的两边，比如靠近左边框区或右边框区，而所述信号监测线60由于位于所述显示面板100的中间区域，使得所述信号监测线60不用穿过所述功能区HA，此时在所述过渡区FA无需考虑所述信号监测线60的走线设计，有利于简化走线设计。
可选地，为了改善所述显示面板100的可视性，所述显示面板100还包括位于所述过渡区FA的浮置（dummy）线80，所述浮置线80和所述第一信号屏蔽线50位于所述裂纹检测电路70的相对两侧。所述浮置线80的外形也与所述裂纹检测电路70相匹配，且所述浮置线80的数量为两条，以使所述裂纹检测电路70一侧的所述第一信号屏蔽线50和所述信号监测线60与所述裂纹检测电路70另一侧的所述浮置线80相对应，如此使得所述过渡区FA内的各金属走线均匀分布，避免因金属走线分布不均匀导致局部区域出现反光差异，在不点亮的状态下，目视屏幕会出现明暗不同的差异。其中所述浮置线80采用断开设计，与所述显示面板内的各元件以及各走线之间不具备电连接关系。
另外，需要说明的是，本申请通过设置第一信号屏蔽线50以及信号监测线60以改善信号干扰导致的触控性能不佳的方案不限于使用在DOT触控方案中，比如还可使用在外挂式触控方案中，外挂式触控方案是指把所述触控电极20设置在触控面板上，然后把所述触控面板贴合在所述显示基板10上。
在一种实施例中，请结合参照图1至图8，图7为本申请实施例提供的显示面板的又一种俯视结构示意图，图8为图7中M区域的放大细节图。与上述实施例不同的是，所述显示面板100还包括位于相邻的两个所述触控电极组之间，且与所述第一信号屏蔽线50电连接的第二信号屏蔽线51，所述第二信号屏蔽线51和所述第一信号屏蔽线50一起半包围所述信号监测线60，使所述第二信号屏蔽线51位于所述信号监测线60和所述触控电极20之间，避免所述信号监测线60对所述触控电极20产生干扰。
可选地，部分所述第二信号屏蔽线51也位于所述过渡区FA，且在所述过渡区FA，所述第一信号屏蔽线50和所述第二信号屏蔽线51位于所述裂纹检测电路70的相对两侧，且所述第二信号屏蔽线51位于所述浮置线80远离所述裂纹检测电路70的一侧。在所述过渡区FA内的所述第二信号屏蔽线51的外形也与所述裂纹检测电路70的外形相匹配，且所述浮置线80的数量为一条，如此可使得所述裂纹检测电路70一侧的所述第一信号屏蔽线50和所述信号监测线60分别与所述裂纹检测电路70另一侧的所述第二信号屏蔽线51和所述浮置线80相对应，进而使得所述过渡区FA内的各金属走线均匀分布。其他说明请参照上述实施例，在此不再赘述。
在一种实施例中，请参照图9，图9为本申请实施例提供的显示面板的一种剖面结构示意图。与上述实施例不同的是，所述显示面板100的所述触控电极20与所述显示基板10之间设置有绝缘保护层90，所述第一信号传输线30通过所述绝缘保护层90的第一过孔91与对应的所述触控电极20电连接。
可选地，所述绝缘保护层90的材料包括氧化硅、氮化硅等无机材料，所述绝缘保护层90能够保护所述第一信号传输线30，避免相邻的所述第一信号传输线30之间短路。所述第一信号传输线30通过所述第一过孔91与对应的所述触控电极20电连接，所述第一过孔91的数量至少为一个，当然地，设置多个所述第一过孔91使所述第一信号传输线30与对应的所述触控电极20连接，能够提高连接的稳定性，且降低阻抗。
另外，所述第一信号传输线30与所述触控电极20对应设置，且所述第一信号传输线30在所述显示基板10上的正投影落在所述触控电极20在所述显示基板10上的正投影的范围内。更具体地，所述第一信号传输线30与所述触控电极20的触控电极走线21对应设置，以避开所述触控电极20的网眼22，避免所述第一信号传输线30影响所述发光单元131的出光。
进一步地，所述信号监测线60与所述第一信号传输线30同层设置，且对应于相邻两列所述触控电极组之间的间隙，使得所述信号监测线60在所述显示基板10上的正投影与所述触控电极20在所述显示基板10上的正投影没有重叠。如此可使得所述信号监测线60靠近所述显示基板10，以更好的实时监测来自所述显示基板10内显示信号的干扰，同时还可使所述信号监测线60与所述第一信号传输线30保持一定距离，避免所述信号监测线60对所述第一信号传输线30产生干扰。当然地，所述信号监测线60也可与所述触控电极20同层设置，也同样能够实现实时监测来自所述显示基板10内显示信号的干扰。
进一步地，所述第一信号屏蔽线50包括第一子信号屏蔽线511以及通过所述绝缘保护层90的第三过孔93与所述第一子信号屏蔽线511电连接的第二子信号屏蔽线512，所述第一子信号屏蔽线511与所述触控电极20同层设置，所述第二子信号屏蔽线512与所述第一信号传输线30同层设置。可选地，在所述显示区AA内，所述第一子信号屏蔽线511与所述第二子信号屏蔽线512的长度相同，所述第一子信号屏蔽线511与所述第二子信号屏蔽线512之间通过所述第三过孔93连接，所述第三过孔93的数量至少为一个。如此所述第一信号屏蔽线50采用上下两层设计，能够更好的屏蔽左右两侧的信号干扰，而且双层设计等效于增加第一信号屏蔽线50的厚度，能更好的阻挡电势差的影响，同时双层设计可以降低走线阻抗，以降低第一信号屏蔽线50内部的信号衰减，确保屏蔽效果。
进一步地，所述裂纹检测电路70和所述浮置线（图未示出）均可与所述第一信号传输线30或所述触控电极20同层设置，如图9示出的，所述裂纹检测电路70与所述第一信号传输线30同层设置。其他说明请参照上述实施例，在此不再赘述。
在一种实施例中，请参照图10，图10为本申请实施例提供的显示面板的另一种剖面结构示意图。与上述实施例不同的是，所述显示面板100的所述信号监测线60也采双层设计，具体地，所述信号监测线60包括第一子信号监测线61以及通过所述绝缘保护层90的第二过孔92与所述第一子信号监测线61电连接的第二子信号监测线62，所述第一子信号监测线61与所述触控电极20同层设置，所述第二子信号监测线62与所述第一信号传输线30同层设置。
可选地，所述裂纹检测电路70和所述浮置线（图未示出）均可与所述第一信号传输线30或所述触控电极20同层设置，如图10示出的，所述裂纹检测电路70与所述触控电极20同层设置，当然地，本申请不限于此，本申请的所述裂纹检测电路70和所述浮置线也均可采用双层设置。另外，所述浮置线也可与所述第一信号传输线30或/和所述触控电极20同层设置。其他说明请参照上述实施例，在此不再赘述。
另外，需要说明的是，本申请通过设置第一信号屏蔽线50以及信号监测线60以改善信号干扰导致的触控性能不佳的方案不限于使用在上述实施例列举的自容式触控方案中，其还可使用在单层互容式触控方案中，在此不在赘述。
在一种实施例，提供一种电子装置，所述电子装置包括上述实施例其中之一的显示面板以及对应所述显示面板的功能区设置的摄像头，所述电子装置包括手机、平板、笔记本等电子产品。
根据上述实施例可知：
本申请提供一种显示面板和电子装置，该显示面板包括功能区、靠近所述功能区设置的显示区以及位于所述功能区和所述显示区之间的过渡区，所述显示面板还包括显示基板以及设置在所述显示基板上的触控层，所述触控层包括沿第一方向间隔排布在所述显示区一侧的多个触控电极组，多个所述触控电极组对应所述显示区，每个所述触控电极组包括至少一个沿第二方向排布的触控电极，所述功能区和所述过渡区位于相邻的两个所述触控电极之间，每个所述触控电极与一条第一信号传输线电连接，同一所述触控电极组的所述第一信号传输线与相邻所述触控电极组的所述触控电极之间设置有第一信号屏蔽线，所述第一信号屏蔽线与相邻两个所述触控电极组之间的间隙对应设置，且部分所述第一信号屏蔽线位于所述过渡区，所述第一信号屏蔽线能够屏蔽所述触控电极对所述第一信号传输线的信号干扰；同时对应相邻两个所述触控电极组之间的间隙还设置有至少一条信号监测线，部分所述信号监测线还可位于所述过渡区，所述信号监测线可实时监测干扰信号，并就干扰信号通过芯片算法去除该部分干扰信号，以改善因信号干扰带来的触控性能不佳的问题；而且在所述过渡区还设置有闭环的裂纹检测电路，以检测所述功能区挖孔时是否产生裂纹，所述信号监测线位于所述裂纹检测电路和所述第一信号屏蔽线之间，如此在实现所述功能区裂纹检测目的的同时，还能解决现有挖孔屏存在触控性能不佳的问题。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (20)

  1. 一种显示面板，其包括功能区、靠近所述功能区设置的显示区以及位于所述功能区和所述显示区之间的过渡区，所述显示面板还包括：
    显示基板；
    触控层，设置在所述显示基板上，包括多个沿第一方向间隔排布在所述显示区的触控电极组，每个所述触控电极组包括至少一个沿第二方向排布的触控电极；
    多条第一信号传输线，每条所述第一信号传输线与一个所述触控电极电连接；
    第一信号屏蔽线，与相邻两个所述触控电极组之间的间隙对应设置，且位于同一所述触控电极组的所述第一信号传输线与相邻所述触控电极组的所述触控电极之间；
    其中，所述功能区和所述过渡区位于相邻的两个所述触控电极组之间，且在两个所述触控电极组中，靠近所述过渡区的所述触控电极的尺寸小于其他触控电极的尺寸，所述第一信号屏蔽线穿过所述过渡区，且在所述过渡区内，所述第一信号屏蔽线的外形与对应的所述功能区的外形相匹配。
  2. 根据权利要求1所述的显示面板，其中，所述显示面板还包括裂纹检测电路，在所述过渡区，所述裂纹检测电路围绕所述功能区，且所述裂纹检测电路位于所述第一信号屏蔽线靠近所述功能区的一侧。
  3. 根据权利要求2所述的显示面板，其中，所述裂纹检测电路包括第一裂纹检测线和第二裂纹检测线，在所述过渡区，所述第一裂纹检测线和所述第二裂纹检测线电连接或一体式设置，使得所述第一裂纹检测线和所述第二裂纹检测线围设成闭环的裂纹检测电路。
  4. 根据权利要求1所述的显示面板，其中，所述显示面板还包括至少一条信号监测线，所述信号监测线与相邻两个所述触控电极组之间的间隙对应设置。
  5. 根据权利要求4所述的显示面板，其中，所述功能区位于所述显示面板的中间区域，且在所述过渡区内，所述信号监测线位于所述第一信号屏蔽线和所述功能区之间。
  6. 根据权利要求5所述的显示面板，其中，所述显示面板还包括位于相邻的两个所述触控电极组之间，且与所述第一信号屏蔽线电连接的第二信号屏蔽线，所述第二信号屏蔽线和所述第一信号屏蔽线一起半包围所述信号监测线。
  7. 根据权利要求4所述的显示面板，其中，所述显示面板还包括位于所述过渡区的浮置线，所述浮置线和所述第一信号屏蔽线位于所述功能区的相对两侧。
  8. 根据权利要求7所述的显示面板，其中，所述显示面板还包括位于相邻的两个所述触控电极组之间，且与所述第一信号屏蔽线电连接的第二信号屏蔽线，所述第二信号屏蔽线和所述第一信号屏蔽线一起半包围所述信号监测线；
    在所述过渡区，所述第一信号屏蔽线和所述第二信号屏蔽线位于所述功能区的相对两侧，且所述第二信号屏蔽线位于所述浮置线远离所述功能区的一侧。
  9. 根据权利要求1所述的显示面板，其中，所述显示面板还包括围绕所述显示区的非显示区，所述非显示区包括相对的上边框区和下边框区，以及连接所述上边框区和所述下边框区的左边框区和右边框区，所述第一信号屏蔽线从所述显示区延伸至所述上边框区，其中靠近所述左边框区的所述第一信号屏蔽线在所述上边框区连接在一起，并延伸至所述左边框区内；靠近所述右边框区的所述第一信号屏蔽线在所述上边框区连接在一起，并延伸至所述右边框区内。
  10. 根据权利要求9所述的显示面板，其中，所述显示面板还包括至少一条信号监测线，所述信号监测线与相邻两个所述触控电极组之间的间隙对应设置；
    所述信号监测线也从所述显示区延伸至所述上边框区，并从所述上边框区延伸至所述左边框区或所述右边框区，且在所述非显示区内，所述信号监测线位于所述第一信号屏蔽线远离所述显示区的一侧。
  11. 根据权利要求10所述的显示面板，其中，所述显示面板还包括裂纹检测电路，在所述过渡区，所述裂纹检测电路围绕所述功能区，且所述裂纹检测电路位于所述第一信号屏蔽线靠近所述功能区的一侧，所述裂纹检测电路包括第一裂纹检测线和第二裂纹检测线；
    所述第一裂纹检测线从所述过渡区延伸至所述上边框区，并从所述上边框区延伸至所述左边框区，且在所述非显示区内，所述第一裂纹检测线位于所述信号监测线远离所述第一信号屏蔽线的一侧；所述第二裂纹检测线从所述过渡区延伸至所述上边框区，并从所述上边框区延伸至所述右边框区，且在所述非显示区内，所述第二裂纹检测线位于所述信号监测线远离所述第一信号屏蔽线的一侧。
  12. 根据权利要求11所述的显示面板，其中，所述下边框区设置有绑定区，所述绑定区绑定有驱动芯片，所述第一信号传输线、所述第一信号屏蔽线、所述信号监测线、所述第一裂纹检测线以及所述第二裂纹检测线均与所述驱动芯片电连接，其中所述第一信号屏蔽线、所述信号监测线、所述第一裂纹检测线以及所述第二裂纹检测线均从所述左边框区或所述右边框区延伸至所述下边框区与对应的所述驱动芯片电连接。
  13. 根据权利要求1所述的显示面板，其中，所述显示面板还包括补偿电极，所述补偿电极设置于所述过渡区，并与对应的所述触控电极电连接。
  14. 根据权利要求1所述的显示面板，其中，所述第一信号屏蔽线上的驱动信号与对应的所述第一信号传输线上的驱动信号相同。
  15. 一种电子装置，其包括如权利要求1所述的显示面板以及对应所述显示面板的功能区设置的摄像头。
  16. 根据权利要求15所述的电子装置，其中，所述显示面板还包括裂纹检测电路，在所述过渡区，所述裂纹检测电路围绕所述功能区，且所述裂纹检测电路位于所述第一信号屏蔽线靠近所述功能区的一侧。
  17. 根据权利要求15所述的电子装置，其中，所述显示面板还包括至少一条信号监测线，所述信号监测线与相邻两个所述触控电极组之间的间隙对应设置。
  18. 根据权利要求17所述的电子装置，其中，所述功能区位于所述显示面板的中间区域，且在所述过渡区内，所述信号监测线位于所述第一信号屏蔽线和所述功能区之间。
  19. 根据权利要求17所述的电子装置，其中，所述显示面板还包括位于所述过渡区的浮置线，所述浮置线和所述第一信号屏蔽线位于所述功能区的相对两侧。
  20. 根据权利要求19所述的电子装置，其中，所述显示面板还包括位于相邻的两个所述触控电极组之间，且与所述第一信号屏蔽线电连接的第二信号屏蔽线，所述第二信号屏蔽线和所述第一信号屏蔽线一起半包围所述信号监测线；
    在所述过渡区，所述第一信号屏蔽线和所述第二信号屏蔽线位于所述功能区的相对两侧，且所述第二信号屏蔽线位于所述浮置线远离所述功能区的一侧。
PCT/CN2021/133495 2021-11-16 2021-11-26 显示面板和电子装置 Ceased WO2023087367A1 (zh)

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