WO2021227196A1 - 显示面板以及显示装置 - Google Patents

显示面板以及显示装置 Download PDF

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Publication number
WO2021227196A1
WO2021227196A1 PCT/CN2020/097039 CN2020097039W WO2021227196A1 WO 2021227196 A1 WO2021227196 A1 WO 2021227196A1 CN 2020097039 W CN2020097039 W CN 2020097039W WO 2021227196 A1 WO2021227196 A1 WO 2021227196A1
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WO
WIPO (PCT)
Prior art keywords
electrode
touch
layer
metal layer
area
Prior art date
Application number
PCT/CN2020/097039
Other languages
English (en)
French (fr)
Inventor
李远航
Original Assignee
武汉华星光电半导体显示技术有限公司
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 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US16/966,635 priority Critical patent/US11733817B2/en
Publication of WO2021227196A1 publication Critical patent/WO2021227196A1/zh

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Classifications

    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • 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
    • 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
    • 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
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

Definitions

  • the present application relates to the display field, and in particular to a display panel and a display device.
  • DOT Direct On Cell Touch, directly fabricating the touch layer on the packaging layer
  • the control layer has better transmittance and bending resistance, and can effectively reduce the thickness of the screen and reduce product costs.
  • the electrodes in the touch layer are arranged in a grid shape, and the touch driving electrodes, touch sensing electrodes, and floating electrodes are arranged in the same layer, and the different electrodes are realized in a fractured manner between each other.
  • the width of the fracture should not be too large. However, if the width of the fracture is set too small, it will cause the floating electrode and the touch driving electrode and the touch sensing electrode to occur. Short circuit, resulting in abnormal capacitance and affecting product yield.
  • the existing DOT technology has a short circuit between the floating electrode and the touch driving electrode and the touch sensing electrode, which causes the problem of abnormal capacitance.
  • the present application provides a display panel and a display device to improve the problem of short circuits between floating electrodes, touch driving electrodes, and touch sensing electrodes in the existing DOT technology, resulting in abnormal capacitance.
  • the present application provides a display panel, which includes a driving circuit layer, a light-emitting function layer, an encapsulation layer, and a touch layer.
  • the touch layer is formed on the encapsulation layer, and the touch layer includes:
  • the first insulating layer is formed on the packaging layer
  • a first metal layer formed on the first insulating layer, patterned to form a first floating electrode, a second floating electrode, and a bridge electrode;
  • the second metal layer is formed on the second insulating layer, the first touch electrode and the second touch electrode are patterned, and the first touch electrode is connected to the bridge electrode through the via hole, so A first hollowed-out area is provided on the first touch electrode, a second hollowed-out area is provided on the second touch electrode, and the projection area of the first hollowed-out area on the encapsulation layer and the The projection area of the first floating electrode on the packaging area coincides, and the projection area of the second hollowed-out area on the packaging layer coincides with the projection area of the second floating electrode on the packaging layer;
  • a passivation layer is formed on the second metal layer and covers the second metal layer.
  • the first touch electrode, the second touch electrode, the first floating electrode, the second floating electrode, and the bridge electrode are all in a grid shape,
  • the area enclosed by the grid lines corresponds to the area where the pixel unit is located.
  • the first touch electrode further includes a disconnection position, and the projection of the disconnection position on the encapsulation layer falls within the projection of the bridge electrode on the encapsulation layer .
  • the first touch electrodes are connected in series in a first direction through the bridge electrodes, and are arranged in an array in a second direction; the second touch electrodes are arranged in an array in the second direction. Extend upward and are arranged at intervals in the first direction; the first direction and the second direction are perpendicular to each other.
  • the first touch electrode is a touch driving electrode
  • the second touch electrode is a touch sensing electrode
  • the first touch electrode is a touch sensing electrode
  • the second touch electrode is a touch driving electrode
  • the first floating electrode and the second floating electrode include curved identification electrodes, and the curved identification electrodes are distributed in an array.
  • the first metal layer further includes a bend recognition wire, and the bend recognition wire is connected to the bend recognition electrode.
  • the projection of the bending recognition trace on the encapsulation layer falls within the projection of the first touch electrode and the second touch electrode on the encapsulation layer .
  • the second metal layer and the first metal layer are made of the same material, and the material includes metal aluminum, metal copper, metal silver, metal molybdenum, metal titanium, and indium tin oxide. One or more.
  • the present application provides a display device, which includes the display panel provided in the present application.
  • the display panel includes a driving circuit layer, a light-emitting function layer, an encapsulation layer, and a touch control layer.
  • the touch control layer is formed on the encapsulation.
  • the touch control layer includes:
  • the first insulating layer is formed on the packaging layer
  • a first metal layer formed on the first insulating layer, patterned to form a first floating electrode, a second floating electrode, and a bridge electrode;
  • the second metal layer is formed on the second insulating layer, the first touch electrode and the second touch electrode are patterned, and the first touch electrode is connected to the bridge electrode through the via hole, so A first hollowed-out area is provided on the first touch electrode, a second hollowed-out area is provided on the second touch electrode, and the projection area of the first hollowed-out area on the encapsulation layer and the The projection area of the first floating electrode on the packaging area coincides, and the projection area of the second hollowed-out area on the packaging layer coincides with the projection area of the second floating electrode on the packaging layer;
  • a passivation layer is formed on the second metal layer and covers the second metal layer.
  • the first touch electrode, the second touch electrode, the first floating electrode, the second floating electrode, and the bridge electrode are all in a grid shape,
  • the area enclosed by the grid lines corresponds to the area where the pixel unit is located.
  • the first touch electrode further includes a disconnection position, and the projection of the disconnection position on the encapsulation layer falls within the projection of the bridge electrode on the encapsulation layer .
  • the first touch electrodes are connected in series in a first direction through the bridge electrodes and arranged in an array in a second direction; the second touch electrodes are arranged in an array in the second direction. Extend upward and are arranged at intervals in the first direction; the first direction and the second direction are perpendicular to each other.
  • the first touch electrode is a touch driving electrode
  • the second touch electrode is a touch sensing electrode
  • the first touch electrode is a touch sensing electrode
  • the second touch electrode is a touch driving electrode
  • the first floating electrode and the second floating electrode include curved identification electrodes, and the curved identification electrodes are distributed in an array.
  • the first metal layer further includes a bend recognition wire, and the bend recognition wire is connected to the bend recognition electrode.
  • the projection of the bending recognition trace on the encapsulation layer falls within the projection of the first touch electrode and the second touch electrode on the encapsulation layer .
  • the material of the second metal layer and the first metal layer are the same, and the material includes metal aluminum, metal copper, metal silver, metal molybdenum, metal titanium, and indium tin oxide. One or more.
  • the present application provides a display panel and a display device.
  • the display panel includes a driving circuit layer, a light-emitting function layer, an encapsulation layer, and a touch layer.
  • the touch layer is formed on the encapsulation layer, and the touch layer includes: a first insulating layer , Formed on the encapsulation layer; a first metal layer, formed on the first insulating layer, patterned to form a first floating electrode, a second floating electrode, and a bridge electrode; a second insulating layer, formed on the first metal layer, Covering the first metal layer to isolate the first metal layer, the second insulating layer is provided with via holes; the second metal layer is formed on the second insulating layer, and the first touch electrode and the second touch are formed by patterning
  • the first touch electrode is connected to the bridge electrode through a via hole, a first hollowed-out area is provided on the first touch electrode, a second hollowed-out area is provided on the second touch electrode, and the first hollowed-out
  • the floating electrode and the touch electrode are arranged in the same layer, instead of the floating electrode and the touch electrode being arranged in layers, there is no need to consider the setting of the break between the floating electrode and the touch electrode in the same layer arrangement, which ensures the display Based on the uniformity of the optical effect of the panel, the risk of short circuit between the first floating electrode and the first touch electrode, and the short circuit between the second floating electrode and the second touch electrode is eliminated, and the existing DOT technology has a floating electrode.
  • the short circuit between the touch drive electrode and the touch sensing electrode causes the problem of abnormal capacitance, improves the uniformity of the content value of the display panel, and improves the product yield.
  • a bending identification trace is set in the first metal layer, and a part of the floating electrode in the first metal layer is used as a sensing electrode for identifying the bending position.
  • the self-capacitance method is used to identify and locate the bending position of the display panel.
  • the integration of touch electrodes and curved recognition electrodes is achieved.
  • FIG. 1 is a schematic plan view of a display panel provided by an embodiment of the application.
  • FIG. 2 is a schematic cross-sectional view in the direction A-A' of the display panel provided by an embodiment of the application.
  • FIG. 3 is a schematic cross-sectional view in the direction B-B' of the display panel provided by an embodiment of the application.
  • FIG. 4 is a schematic plan view of the first metal layer of the first display panel provided by an embodiment of the application.
  • FIG. 5 is a schematic plan view of the second metal layer of the first display panel provided by an embodiment of the application.
  • FIG. 6 is a schematic diagram of a planar superimposition of the first metal layer and the second metal layer of the first display panel provided by an embodiment of the application.
  • FIG. 7 is a schematic plan view of the first metal layer of the second type of display panel provided by an embodiment of the application.
  • FIG. 8 is a schematic plan view of a second metal layer of a second type of display panel provided by an embodiment of the application.
  • FIG. 9 is a schematic diagram of a planar superposition of the first metal layer and the second metal layer of the second type of display panel provided by an embodiment of the application.
  • the present application provides a display panel that can alleviate this problem.
  • FIG. 1 shows a schematic plan view of a display panel provided by an embodiment of the present application
  • FIG. 2 shows a schematic cross-sectional view of the display panel provided by an embodiment of the present application in the AA' direction
  • FIG. 3 shows a schematic cross-sectional view of the display panel in the BB' direction provided by an embodiment of the present application.
  • the display panel provided by the embodiment of the present application includes a driving circuit layer 100, a light-emitting function layer 200, an encapsulation layer 300, and a touch layer 400.
  • the touch layer 400 is formed on the encapsulation layer 300.
  • the touch layer 400 includes:
  • the first insulating layer 410 is formed on the packaging layer 300;
  • the first metal layer 420 is formed on the first insulating layer 410, and patterned to form a first floating electrode 421, a second floating electrode 422, and a bridge electrode 423;
  • the second insulating layer 430 is formed on the first metal layer 420 and covers the first metal layer 420 to isolate the first metal layer 420.
  • the second insulating layer 430 is provided with vias;
  • the second metal layer 440 is formed on the second insulating layer 430, and the first touch electrode 441 and the second touch electrode 442 are patterned.
  • the first touch electrode 441 is connected to the bridge electrode 423 through a via hole, and the first touch
  • the control electrode 441 is provided with a first hollowed-out area
  • the second touch electrode 442 is provided with a second hollowed-out area
  • the projection area of the first hollowed-out area on the packaging layer 300 and the first floating electrode 421 are in the packaging area 300
  • the projection area of the upper part overlaps, and the projection area of the second hollowed-out area on the packaging layer 300 coincides with the projection area of the second floating electrode 422 on the packaging layer 300;
  • the passivation layer 450 is formed on the second metal layer 440 and covers the second metal layer 440.
  • This embodiment provides a display panel in which a first floating electrode and a second floating electrode are disposed in a first metal layer, and the first touch electrode is disposed in the second metal layer at a position corresponding to the first floating electrode In the first hollowed out area, a second hollowed out area is provided at a position of the second touch electrode corresponding to the second floating electrode in the second metal layer.
  • the floating electrode and the touch electrode are arranged in the same layer, instead of the floating electrode and the touch electrode being arranged in layers, there is no need to consider the setting of the break between the floating electrode and the touch electrode in the same layer arrangement, which ensures the display Based on the uniformity of the optical effect of the panel, the risk of short circuit between the first floating electrode and the first touch electrode, and the short circuit between the second floating electrode and the second touch electrode is eliminated, and the existing DOT technology has a floating electrode.
  • the short circuit between the touch drive electrode and the touch sensing electrode causes the problem of abnormal capacitance, improves the uniformity of the content value of the display panel, and improves the product yield.
  • the first insulating layer 410 is formed on the packaging layer 300 and is mainly used for interface repair and planarization, and provides a good underlying structure for the subsequent preparation of the first metal layer 420.
  • the material of the first insulating layer 410 includes silicon nitride, silicon oxide, and silicon oxynitride.
  • the first insulating layer 410 may be a single-layer structure of silicon nitride, silicon oxide or silicon oxynitride, or may be silicon nitride and silicon oxide. The laminated structure.
  • the second insulating layer 430 is formed on the first metal layer 420 and covers the first metal layer 420 to isolate the first metal layer 420 and the second metal layer 440.
  • the material of the second insulating layer 430 includes silicon nitride, silicon oxide, and silicon oxynitride.
  • the second insulating layer 430 may be a single layer structure of silicon nitride, silicon oxide or silicon oxynitride, or silicon nitride. And silicon oxide laminated structure.
  • the passivation layer 450 is formed on the second metal layer 440 and covers the second metal layer 440.
  • the passivation layer is used to protect the second metal layer 440 while isolating the second metal layer 440 from contacting the outer metal or water and oxygen.
  • the material of the passivation layer 450 generally includes silicon nitride, silicon oxide, and silicon oxynitride.
  • the passivation layer 450 can be a single-layer structure of silicon nitride, silicon oxide, or silicon oxynitride, or it can be made of silicon nitride and silicon oxide. Laminated structure.
  • the display panel provided by the embodiment of the present application will be explained in detail from the single-film planar structure of the first metal layer, the second metal layer, and the planar structure of the superimposed film layer.
  • FIG. 4 please refer to FIG. 6.
  • FIG. 4 shows a schematic plan view of the first metal layer of the first display panel provided by an embodiment of the present application.
  • the first metal layer 420 includes a first floating electrode 421, a second floating electrode 422, and a bridge electrode 423.
  • the first floating electrodes 421 are not connected to each other
  • the second floating electrodes 422 are not connected to each other
  • the bridge electrodes 423 are not connected to each other
  • the first floating electrode 421, the second floating electrode 422, and the bridge electrode 423 are not connected to each other. There is no connection between them.
  • the shape and size of the first floating electrode 421 are the same, the shape and size of the second floating electrode 422 are the same, and the shape and size of the bridging electrode 423 are the same.
  • the first floating electrode 421, the second floating electrode 422, and the bridge electrode 423 are all in a grid shape, and the area enclosed by the grid shape corresponds to the area where the pixel unit is located.
  • the shape of the first floating electrode 421 is the same as the shape of the second floating electrode 422, and the size of the first floating electrode 421 and the size of the second floating electrode 422 are also the same.
  • the shape of the first floating electrode 421 may be any polygon such as a rhombus, a rectangle, a triangle, and a circle.
  • first floating electrode 421 and the second floating electrode 422 are different in at least one of the two features of shape and size.
  • the first floating electrode 421 and the second floating electrode 422 have the same shape and different sizes.
  • the shape of the first floating electrode 421 may be any polygon such as a rhombus, a rectangle, a triangle, and a circle.
  • the first floating electrode 421 and the second floating electrode 422 have the same size and different shapes.
  • the shape of the first floating electrode 421 and the second floating electrode 422 can be one or two of any polygons such as a rhombus, a rectangle, a triangle, a circle, etc. .
  • FIG. 5 shows a schematic plan view of the second metal layer of the first display panel provided by an embodiment of the present application.
  • the second metal layer 440 includes a first touch electrode 441 and a second touch electrode 442.
  • the first touch electrodes 441 are arranged in an array in the second direction.
  • the first touch electrodes 441 are not connected to each other, but pass through the via holes in the second insulating layer 430 to connect with the first touch electrodes 441.
  • the bridge electrodes 423 in the metal layer 420 are connected, so that the first touch electrodes 441 are connected in series in the first direction.
  • the second touch electrodes 442 extend in the second direction and are arranged at intervals in the first direction.
  • the first touch electrode 441 and the second touch electrode 442 are both grid-shaped, and the area enclosed by the grid lines corresponds to the area where the pixel unit is located.
  • the first touch electrode 441 and the second touch electrode 442 may be the first touch electrode 441 as a touch driving electrode, and the second touch electrode 442 may be a touch sensing electrode; it may also be the first touch electrode 441 It is a touch sensing electrode, and the second touch electrode 442 is a touch driving electrode, which is not limited here.
  • first direction and the second direction are perpendicular to each other.
  • the first direction may be a horizontal direction and the second direction may be a vertical direction, or the first direction may be a vertical direction and the second direction may be a horizontal direction.
  • the first touch electrode 441 and the second touch electrode 442 are both strip-shaped electrodes.
  • a plurality of first touch electrodes 441 arranged in an array in the second direction are arranged at intervals in the first direction and extend along the first direction, and a plurality of second touch electrodes 442 arranged at intervals in the first direction are arranged along the second direction.
  • the direction extends, and the first direction and the second direction are perpendicular to each other.
  • first touch electrode 441 and the second touch electrode 442 are both diamond-shaped electrodes.
  • the first touch electrode 441 includes diamond-shaped electrode pieces arranged in an array in the second direction.
  • the diamond-shaped electrode pieces are connected in series at regular intervals through the bridge electrode 423 in the first direction;
  • the second touch electrode 442 is included in the second direction.
  • the second touch electrodes 442 are arranged at equal intervals in the first direction with a number of diamond-shaped pieces regularly connected together at fixed intervals.
  • first touch electrode 441 and the second touch electrode 442 may also have any other shapes such as a circle or a triangle.
  • FIG. 6 shows a schematic diagram of a plane superposition of the first metal layer and the second metal layer of the first display panel provided by the implementation of the present application.
  • a first hollow area 4411 is provided on the first touch electrode 441, and the projection area of the first hollow area 4411 on the packaging layer 300 coincides with the projection area of the first floating electrode 421 on the packaging area 300, that is, the first hollow
  • the empty area 4411 corresponds to the first floating electrode 421.
  • a second hollowed area 4421 is provided on the second touch electrode 442, and the projection area of the second hollowed area 4421 on the packaging layer 300 coincides with the projection area of the second floating electrode 422 on the packaging layer 300, that is, the second hollowed area 4421
  • the empty area 4421 corresponds to the second floating electrode 422.
  • the first floating electrode 421 is used to adjust the single-point capacitance value of the first touch electrode 441.
  • the two floating electrodes 422 are used to adjust the single point capacitance of the second touch electrode 442. Therefore, the size of the first hollowed-out area 441 is determined by the adjusted capacitance value of the first touch electrode 441, and the size of the second hollowed-out area 442 is determined by the adjusted capacitance value of the second touch electrode 442.
  • the size and shape of the first floating electrode 421 are determined by the size and shape of the first hollowed-out area 4411, and the size and shape of the second floating electrode 422 are determined by the size and shape of the second hollowed-out area 4421.
  • the shape and size of the first hollowed-out area 4411 are the same, and the location of the first hollowed-out area 4411 on the first touch electrode 441 is also the same; the shape and size of the second hollowed-out area 4421 are the same, The location of the second hollowed-out area 4421 on the second touch electrode 442 is also the same.
  • the area size of the first hollowed-out area 4411 can be set according to the specific needs of the first touch electrode 441, and the area size of the second hollowed-out area 4421 can be set according to the specific needs of the second touch electrode 441.
  • the number of the first hollowed-out area 4411 or the second hollowed-out area 4421 can be one or more, and the specific number and location, etc. All can be designed according to actual needs, and there is no limitation here.
  • the size and shape of the first hollowed-out area 4411 may be the same as the size and shape of the second hollowed-out area 4421, respectively, or there may be at least one feature difference, which is not limited here.
  • the shape of the hollowed-out area can be any polygon such as rhombus, rectangle, triangle, or circle.
  • the first hollowed-out area corresponds to the first floating electrode 421 in the first metal layer 420
  • the second touch electrode 442 is provided with a Two hollowed out areas
  • the second hollowed out area corresponds to the second floating electrode 422 in the first metal layer 420.
  • the floating electrode and the touch electrode are arranged in the same layer. This is the layered arrangement of the floating electrode and the touch electrode.
  • the first touch electrode 441 also includes a disconnection position 4412.
  • the projection of the disconnection position 4412 on the encapsulation layer 300 falls within the projection of the bridge electrode 423 on the encapsulation layer 300, that is, the projection of the bridge electrode 423 on the encapsulation layer 300 includes It is larger than the projection of the disconnection position 4412 on the encapsulation layer 300. In this way, on the one hand, it is ensured that the first touch electrode 441 is connected to the bridge electrode 423 through the via hole, and on the other hand, the optical uniformity of the display panel is further improved.
  • the materials of the second metal layer 440 and the first metal layer 420 must be the same, that is, the first touch electrode, the second touch electrode, the first floating electrode, and the second floating electrode must be ensured.
  • the materials of the bridge electrodes are the same, so as to ensure the optical uniformity of the entire display panel and the electrical uniformity of the first touch electrode.
  • the second metal layer 440 and the first metal layer 420 are both grid-shaped, and the grid lines correspond to the edge area of the pixel unit, so that the grid of the first metal layer 420 and the second metal layer 440 can be transparent metal or non-metallic.
  • Transparent metal expands the choice of materials for the first metal layer 420 and the second metal layer 440.
  • the materials of the second metal layer 440 and the first metal layer 420 include, but are not limited to, one or more of metallic aluminum, metallic copper, metallic silver, metallic molybdenum, and metallic titanium. It can be a single-layer structure; it can also be a double-layer structure, such as metal titanium/metal aluminum, metal titanium/metal copper, and metal molybdenum/metal aluminum. It can also be a three-layer structure, such as A three-layer structure composed of metallic titanium/metal aluminum/metal titanium, metallic titanium/metal copper/metal titanium, and metallic molybdenum/metal aluminum/metal molybdenum.
  • the first touch electrode, the second touch electrode, the first floating electrode, the second floating electrode, and the bridge electrode are all arranged in a grid shape, and the area enclosed by the grid corresponds to the area where the pixel unit is located, which ensures that the entire
  • the light emitting effect of the display panel on the other hand, enhances the flexibility and ductility of the entire display panel, which is more conducive to the application of the display panel provided by the present application in the flexible field.
  • FIGS. 7-9 please refer to FIGS. 7-9.
  • FIG. 7 shows a schematic plan view of the first metal layer of the second display panel provided by an embodiment of the present application.
  • the first metal layer 420 includes a first floating electrode 421, a second floating electrode 422, a bridging electrode 423, and a bend identifying line 424.
  • the bending recognition trace 424 is a broken line.
  • the shape and size of the first floating electrode 421 are the same, the shape and size of the second floating electrode 422 are the same, and the shape and size of the bridging electrode 423 are the same.
  • the shape of the first floating electrode 421 is the same as the shape of the second floating electrode 422, and the size of the first floating electrode 421 and the size of the second floating electrode 422 are also the same.
  • the shape of the first floating electrode 421 may be any polygon such as a rhombus, a rectangle, a triangle, and a circle.
  • the first floating electrode 421, the second floating electrode 422, and the bridge electrode 423 are all in a grid shape, and the area enclosed by the grid shape corresponds to the area where the pixel unit is located.
  • the first floating electrode 421 and/or the second floating electrode 422 include bending recognition floating electrodes 425, the bending recognition floating electrodes 425 are arranged in an array, the bending recognition electrodes 425 are connected to the bending recognition wiring 424, and the bending recognition electrodes 425 can be based on The position of the display panel bending recognition needs to be set, and its specific distribution and number are not limited.
  • the bend recognition electrode 425 is connected to the bend recognition line 424. When the display panel performs a bend recognition operation, the bend recognition line 424 inputs a recognition signal to the bend recognition electrode 425.
  • the self-capacitance working principle of the bend recognition electrode 424 is used to control the display panel. The bending position undergoes positioning and recognition processing.
  • a part of the floating electrodes in the first metal layer 420 are used as the sensing electrodes to identify the bending position, and the bending position of the display panel is identified and positioned by the self-capacitance method, thereby realizing the integration of the touch electrode and the bending recognition electrode.
  • FIG. 8 shows a schematic plan view of the second metal layer of the second display panel provided by an embodiment of the present application.
  • the second metal layer 440 includes a first touch electrode 441 and a second touch electrode 442.
  • the first touch electrodes 441 are arranged in an array in the second direction.
  • the first touch electrodes 441 are not connected to each other, but pass through the via holes in the second insulating layer 430 to connect with the first touch electrodes 441.
  • the bridge electrodes 423 in the metal layer 420 are connected, so that the first touch electrodes 441 are connected in series in the first direction.
  • the second touch electrodes 442 extend in the second direction and are arranged at intervals in the first direction.
  • the first touch electrode 441 and the second touch electrode 442 are both grid-shaped, and the area enclosed by the grid lines corresponds to the area where the pixel unit is located.
  • the first touch electrode 441 and the second touch electrode 442 may be the first touch electrode 441 as a touch driving electrode, and the second touch electrode 442 may be a touch sensing electrode; it may also be the first touch electrode 441 It is a touch sensing electrode, and the second touch electrode 442 is a touch driving electrode, which is not limited here.
  • first direction and the second direction are perpendicular to each other.
  • the first direction may be a horizontal direction and the second direction may be a vertical direction, or the first direction may be a vertical direction and the second direction may be a horizontal direction.
  • FIG. 9 shows a schematic diagram of a plane superposition of the first metal layer and the second metal layer of the second type of display panel provided by the implementation of the present application.
  • a first hollow area 4411 is provided on the first touch electrode 441, and the projection area of the first hollow area 4411 on the packaging layer 300 coincides with the projection area of the first floating electrode 421 on the packaging area 300, that is, the first hollow
  • the empty area 4411 corresponds to the first floating electrode 421.
  • a second hollowed area 4421 is provided on the second touch electrode 442, and the projection area of the second hollowed area 4421 on the packaging layer 300 coincides with the projection area of the second floating electrode 422 on the packaging layer 300, that is, the second hollowed area 4421
  • the empty area 4421 corresponds to the second floating electrode 422.
  • the bending recognition trace 424 corresponds to the position of the grid line of the first touch electrode 441 and/or the second touch electrode 442, which further ensures the optical uniformity of the entire display panel.
  • the first touch electrode 441 also includes a disconnection position 4412.
  • the projection of the disconnection position 4412 on the encapsulation layer 300 falls within the projection of the bridge electrode 423 on the encapsulation layer 300, that is, the projection of the bridge electrode 423 on the encapsulation layer 300 includes It is larger than the projection of the disconnection position 4412 on the encapsulation layer 300. In this way, on the one hand, it is ensured that the first touch electrode 441 is connected to the bridge electrode 423 through the via hole, and on the other hand, the optical uniformity of the display panel is further improved.
  • a first hollowed-out area is provided in the first touch electrode 441, the first hollowed-out area corresponds to the first floating electrode 421 in the first metal layer 420, and a second hollowed area is provided in the second touch electrode 442.
  • the empty area, the second hollowed area corresponds to the second floating electrode 422 in the first metal layer 420.
  • the floating electrode and the touch electrode are arranged in the same layer. This is the layered arrangement of the floating electrode and the touch electrode.
  • a bending identification trace is set in the first metal layer 420, and a part of the floating electrode in the first metal layer 420 is used as a sensing electrode for identifying the bending position, and the bending position of the display panel is identified and positioned by a self-capacitance method.
  • the materials of the second metal layer 440 and the first metal layer 420 must be the same, that is, the first touch electrode, the second touch electrode, the first floating electrode, and the first touch electrode must be guaranteed to be the same.
  • the materials of the two floating electrodes and the bridging electrodes are the same, so as to ensure the optical uniformity of the entire display panel and the electrical uniformity of the first touch electrode.
  • the second metal layer 440 and the first metal layer 420 are both grid-shaped, and the grid lines correspond to the edge area of the pixel unit, so that the grid of the first metal layer 420 and the second metal layer 440 can be transparent metal or non-metallic.
  • Transparent metal expands the choice of materials for the first metal layer 420 and the second metal layer 440.
  • the materials of the second metal layer 440 and the first metal layer 420 include, but are not limited to, one or more of metallic aluminum, metallic copper, metallic silver, metallic molybdenum, and metallic titanium. It can be a single-layer structure; it can also be a double-layer structure, such as metal titanium/metal aluminum, metal titanium/metal copper, and metal molybdenum/metal aluminum. It can also be a three-layer structure, such as A three-layer structure composed of metallic titanium/metal aluminum/metal titanium, metallic titanium/metal copper/metal titanium, and metallic molybdenum/metal aluminum/metal molybdenum.
  • the first touch electrode, the second touch electrode, the first floating electrode, the second floating electrode, and the bridge electrode are all arranged in a grid shape, and the area enclosed by the grid corresponds to the area where the pixel unit is located, which ensures that the entire
  • the light emitting effect of the display panel on the other hand, enhances the flexibility and ductility of the entire display panel, which is more conducive to the application of the display panel provided by the present application in the flexible field.
  • the present application also provides a display device.
  • the display device includes the display panel provided in the embodiments of the present application.
  • the display panel includes a driving circuit layer, a light-emitting function layer, an encapsulation layer, and a touch layer.
  • the touch layer is formed on the encapsulation layer.
  • the touch layer includes:
  • the first insulating layer is formed on the packaging layer
  • the first metal layer is formed on the first insulating layer, and is patterned to form a first floating electrode, a second floating electrode, and a bridge electrode;
  • the second insulating layer is formed on the first metal layer and covers the first metal layer, and the second insulating layer is provided with via holes;
  • the second metal layer is formed on the second insulating layer, and the first touch electrode and the second touch electrode are patterned.
  • the first touch electrode is connected to the bridge electrode through a via hole, and the first touch electrode is provided There is a first hollowed-out area, a second hollowed-out area is provided on the second touch electrode, the projection area of the first hollowed-out area on the packaging layer coincides with the projection area of the first floating electrode on the packaging area, and the second hollowed-out area
  • the projection area of the empty area on the packaging layer coincides with the projection area of the second floating electrode on the packaging layer;
  • the passivation layer is formed on the second metal layer and covers the second metal layer.
  • This embodiment provides a display device, which includes the display panel provided in the embodiment of the present application, and achieves the beneficial effects of the display panel.
  • a display device which includes the display panel provided in the embodiment of the present application, and achieves the beneficial effects of the display panel.
  • the first touch electrode, the second touch electrode, the first floating electrode, the second floating electrode, and the bridge electrode are all in a grid shape, and the area enclosed by the grid lines corresponds to the area where the pixel unit is located. area.
  • the first touch electrode further includes a disconnection position, and the projection of the disconnection position on the encapsulation layer falls within the projection of the bridge electrode on the encapsulation layer.
  • the first touch electrodes are connected in series in the first direction through the bridge electrodes and arranged in an array in the second direction; the second touch electrodes extend in the second direction and are arranged at intervals in the first direction. Cloth; the first direction and the second direction are perpendicular to each other.
  • the first touch electrode is a touch driving electrode
  • the second touch electrode is a touch sensing electrode
  • the material of the second metal layer and the first metal layer are the same, and the material includes one or more of metallic aluminum, metallic copper, metallic silver, metallic molybdenum, and metallic titanium.
  • the first touch electrode is a touch sensing electrode
  • the second touch electrode is a touch driving electrode
  • the first floating electrode and the second floating electrode include curved identification electrodes, and the curved identification electrodes are distributed in an array.
  • the first metal layer further includes a bend recognition wire, and the bend recognition wire is connected to the bend recognition electrode.
  • the projection of the bending recognition trace on the packaging layer falls within the projection of the first touch electrode and the second touch electrode on the packaging layer.
  • the embodiments of the present application provide a display panel and a display device.
  • the display panel includes a driving circuit layer, a light-emitting function layer, an encapsulation layer, and a touch layer.
  • the touch layer is formed on the encapsulation layer, and the touch layer includes: The insulating layer is formed on the encapsulation layer; the first metal layer is formed on the first insulating layer, and the first floating electrode, the second floating electrode, and the bridge electrode are formed by patterning; the second insulating layer is formed on the first metal layer On the top, the first metal layer is covered to isolate the first metal layer, the second insulating layer is provided with via holes; the second metal layer is formed on the second insulating layer, and the first touch electrode and the second Touch electrodes, the first touch electrodes are connected to the bridge electrodes through via holes, the first touch electrodes are provided with a first hollowed out area, the second touch electrodes are provided with a second hollowed out area, and the first hollowed out area
  • the floating electrode and the touch electrode are arranged in the same layer, instead of the floating electrode and the touch electrode being arranged in layers, there is no need to consider the setting of the break between the floating electrode and the touch electrode in the same layer arrangement, which ensures the display Based on the uniformity of the optical effect of the panel, the risk of short circuit between the first floating electrode and the first touch electrode, and the short circuit between the second floating electrode and the second touch electrode is eliminated, and the existing DOT technology has a floating electrode.
  • the short circuit between the touch drive electrode and the touch sensing electrode causes the problem of abnormal capacitance, improves the uniformity of the content value of the display panel, and improves the product yield.
  • a bending identification trace is set in the first metal layer, and a part of the floating electrode in the first metal layer is used as a sensing electrode for identifying the bending position.
  • the self-capacitance method is used to identify and locate the bending position of the display panel.
  • the integration of touch electrodes and curved recognition electrodes is achieved.

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Abstract

一种显示面板以及显示装置，显示面板包括触控层(400)，触控层(400)包括：第一绝缘层(410)；第一金属层(420)，图案化形成第一悬浮电极(421)、第二悬浮电极(422)、以及桥接电极(423)；第二绝缘层(430)；第二金属层(440)，图案化形成第一触控电极(441)以及第二触控电极(442)，第一触控电极(441)通过过孔与桥接电极(423)连接；钝化层(450)。

Description

显示面板以及显示装置 技术领域
本申请涉及显示领域，尤其涉及一种显示面板以及显示装置。
 背景技术
DOT（Direct On Cell Touch，直接将触控层制作于封装层上）技术是一种封装触控一体化技术，它将出可供层直接集成在封装层上，不用再单独增加一层外挂触控层，具有更好的透过率、耐弯折性能，且可以有效减小屏幕的厚度，降低产品成本。
在现有的DOT技术中，触控层内的电极一搬设置为网格状，触控驱动电极、触控感应电极、以及悬浮电极同层设置，彼此之间以断口的方式实现不同电极之间的隔离，为了保证触控电极层内光学一致性，断口的宽度不能涉及得太大，但是断口宽度设置得太小，又会导致悬浮电极和触控驱动电极、触控感应电极之间发生短路，从而造成容值异常，影响产品良率的问题。
因此，现有DOT技术存在悬浮电极和触控驱动电极、触控感应电极之间短路，造成容值异常的问题。
 技术问题
本申请提供一种显示面板以及显示装置，以改进现有DOT技术存在悬浮电极和触控驱动电极、触控感应电极之间短路，造成容值异常的问题。
 技术解决方案
本申请提供一种显示面板，其包括驱动电路层、发光功能层、封装层、以及触控层，所述触控层形成于所述封装层上，所述触控层包括：
第一绝缘层，形成于所述封装层上；
第一金属层，形成于所述第一绝缘层上，图案化形成第一悬浮电极、第二悬浮电极、以及桥接电极；
第二绝缘层，形成于所述第一金属层上，覆盖所述第一金属层，所述第二绝缘层上设置有过孔；
第二金属层，形成于所述第二绝缘层上，图案化形成第一触控电极以及第二触控电极，所述第一触控电极通过所述过孔与所述桥接电极连接，所述第一触控电极上设置有第一挖空区域，所述第二触控电极上设置有第二挖空区域，所述第一挖空区域在所述封装层上的投影区域与所述第一悬浮电极在所述封装区上的投影区域重合，所述第二挖空区域在所述封装层上的投影区域与所述第二悬浮电极在所述封装层上的投影区域重合；
钝化层，形成于所述第二金属层上，覆盖所述第二金属层。
在本申请提供的显示面板中，所述第一触控电极、所述第二触控电极、所述第一悬浮电极、所述第二悬浮电极、以及所述桥接电极均为网格状，网格线围成的区域对应像素单元所在的区域。
在本申请提供的显示面板中，所述第一触控电极还包括断线位置，所述断线位置在所述封装层上的投影落入所述桥接电极在所述封装层上的投影内。
在本申请提供的显示面板中，所述第一触控电极通过所述桥接电极在第一方向上串联，在第二方向上阵列排布；所述第二触控电极在所述第二方向上延伸，在所述第一方向上间隔排布；所述第一方向和所述第二方向相互垂直。
在本申请提供的显示面板中，所述第一触控电极为触控驱动电极，所述第二触控电极为触控感测电极。
在本申请提供的显示面板中，所述第一触控电极为触控感测电极，所述第二触控电极为触控驱动电极。
在本申请提供的显示面板中，所述第一悬浮电极和所述第二悬浮电极包括弯曲识别电极，所述弯曲识别电极呈阵列分布。
在本申请提供的显示面板中，所述第一金属层还包括弯曲识别走线，所述弯曲识别走线与所述弯曲识别电极连接。
在本申请提供的显示面板中，所述弯曲识别走线在所述封装层上的投影，落在所述第一触控电极和所述第二触控电极在所述封装层上的投影内。
在本申请提供的显示面板中，所述第二金属层和所述第一金属层的材料相同，所述材料包括金属铝、金属铜、金属银、金属钼、金属钛、氧化铟锡中的一种或多种。
同时，本申请提供一种显示装置，其包括本申请提供的显示面板，所述显示面板包括驱动电路层、发光功能层、封装层、以及触控层，所述触控层形成于所述封装层上，所述触控层包括：
第一绝缘层，形成于所述封装层上；
第一金属层，形成于所述第一绝缘层上，图案化形成第一悬浮电极、第二悬浮电极、以及桥接电极；
第二绝缘层，形成于所述第一金属层上，覆盖所述第一金属层，所述第二绝缘层上设置有过孔；
第二金属层，形成于所述第二绝缘层上，图案化形成第一触控电极以及第二触控电极，所述第一触控电极通过所述过孔与所述桥接电极连接，所述第一触控电极上设置有第一挖空区域，所述第二触控电极上设置有第二挖空区域，所述第一挖空区域在所述封装层上的投影区域与所述第一悬浮电极在所述封装区上的投影区域重合，所述第二挖空区域在所述封装层上的投影区域与所述第二悬浮电极在所述封装层上的投影区域重合；
钝化层，形成于所述第二金属层上，覆盖所述第二金属层。
在本申请提供的显示装置中，所述第一触控电极、所述第二触控电极、所述第一悬浮电极、所述第二悬浮电极、以及所述桥接电极均为网格状，网格线围成的区域对应像素单元所在的区域。
在本申请提供的显示装置中，所述第一触控电极还包括断线位置，所述断线位置在所述封装层上的投影落入所述桥接电极在所述封装层上的投影内。
在本申请提供的显示装置中，所述第一触控电极通过所述桥接电极在第一方向上串联，在第二方向上阵列排布；所述第二触控电极在所述第二方向上延伸，在所述第一方向上间隔排布；所述第一方向和所述第二方向相互垂直。
在本申请提供的显示装置中，所述第一触控电极为触控驱动电极，所述第二触控电极为触控感测电极。
在本申请提供的显示装置中，所述第一触控电极为触控感测电极，所述第二触控电极为触控驱动电极。
在本申请提供的显示装置中，所述第一悬浮电极和所述第二悬浮电极包括弯曲识别电极，所述弯曲识别电极呈阵列分布。
在本申请提供的显示装置中，所述第一金属层还包括弯曲识别走线，所述弯曲识别走线与所述弯曲识别电极连接。
在本申请提供的显示装置中，所述弯曲识别走线在所述封装层上的投影，落在所述第一触控电极和所述第二触控电极在所述封装层上的投影内。
在本申请提供的显示装置中，所述第二金属层和所述第一金属层的材料相同，所述材料包括金属铝、金属铜、金属银、金属钼、金属钛、氧化铟锡中的一种或多种。
 有益效果
本申请提供了一种显示面板以及显示装置，该显示面板包括驱动电路层、发光功能层、封装层、以及触控层，触控层形成于封装层上，触控层包括：第一绝缘层，形成于封装层上；第一金属层，形成于第一绝缘层上，图案化形成第一悬浮电极、第二悬浮电极、以及桥接电极；第二绝缘层，形成于第一金属层上，覆盖第一金属层，用于隔绝第一金属层，第二绝缘层上设置有过孔；第二金属层，形成于第二绝缘层上，图案化形成第一触控电极以及第二触控电极，第一触控电极通过过孔与桥接电极连接，第一触控电极上设置有第一挖空区域，第二触控电极上设置有第二挖空区域，第一挖空区域在封装层上的投影区域与第一悬浮电在封装区上的投影区域重合，第二挖空区域在封装层上的投影区域与第二悬浮电极在封装层上的投影区域重合；钝化层，形成于第二金属层上，覆盖第二金属层。由现有技术中，悬浮电极与触控电极同层设置，改为悬浮电极与触控电极分层设置，不必再考虑同层设置中悬浮电极与触控电极之间的断口设置，在保证显示面板光学效果一致性的基础上，杜绝了第一悬浮电极与第一触控电极之间短路、第二悬浮电极与第二触控电极之间短路的风险，解决了现有DOT技术存在悬浮电极和触控驱动电极、触控感应电极之间短路，造成容值异常的问题，提高了显示面板内容值均匀性，提高了产品良率。同时，在第一金属层内设置弯曲识别走线，并利用第一金属层内的部分悬浮电极作为弯折位置的识别感应电极，采用自电容的方式对显示面板的弯曲位置进行识别定位，实现了触控电极与弯曲识别电极的集成。
 附图说明
下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。
图1为本申请实施例提供的显示面板的平面示意简图。
图2为本申请实施例提供的显示面板A-A’方向上的剖面示意图。
图3为本申请实施例提供的显示面板B-B’方向上的剖面示意图。
图4为本申请实施例提供的第一种显示面板的第一金属层的平面示意图。
图5为本申请实施例提供的第一种显示面板的第二金属层的平面示意图。
图6为本申请实施例提供的第一种显示面板的第一金属层和第二金属层的平面叠加示意图。
图7为本申请实施例提供的第二种显示面板的第一金属层的平面示意图。
图8为本申请实施例提供的第二种显示面板的第二金属层的平面示意图。
图9为本申请实施例提供的第二种显示面板的第一金属层和第二金属层的平面叠加示意图。
 本发明的实施方式
针对现有DOT技术存在悬浮电极和触控驱动电极、触控感应电极之间短路，造成容值异常的问题，本申请提供一种显示面板可以缓解这个问题。
请参照图1至图3，图1示出了本申请实施例提供的显示面板的平面示意简图，图2示出了本申请实施例提供的显示面板A-A’方向上的剖面示意图，图3示出了本申请实施例提供的显示面板B-B’方向上的剖面示意图。本申请实施例提供的显示面板包括驱动电路层100、发光功能层200、封装层300、以及触控层400，触控层400形成于封装层300上，触控层400包括：
第一绝缘层410，形成于封装层300上；
第一金属层420，形成于第一绝缘层410上，图案化形成第一悬浮电极421、第二悬浮电极422、以及桥接电极423；
第二绝缘层430，形成于第一金属层420上，覆盖第一金属层420，用于隔绝第一金属层420，第二绝缘层430上设置有过孔；
第二金属层440，形成于第二绝缘层430上，图案化形成第一触控电极441以及第二触控电极442，第一触控电极441通过过孔与桥接电极423连接，第一触控电极441上设置有第一挖空区域，第二触控电极442上设置有第二挖空区域，第一挖空区域在封装层300上的投影区域与第一悬浮电极421在封装区300上的投影区域重合，第二挖空区域在封装层300上的投影区域与第二悬浮电极422在封装层300上的投影区域重合；
钝化层450，形成于第二金属层440上，覆盖第二金属层440。
本实施例提供一种显示面板，该显示面板将第一悬浮电极和第二悬浮电极设置于第一金属层内，在第二金属层内第一触控电极对应于第一悬浮电极的位置设置第一挖空区域，在第二金属层内第二触控电极对应于第二悬浮电极的位置设置第二挖空区域。由现有技术中，悬浮电极与触控电极同层设置，改为悬浮电极与触控电极分层设置，不必再考虑同层设置中悬浮电极与触控电极之间的断口设置，在保证显示面板光学效果一致性的基础上，杜绝了第一悬浮电极与第一触控电极之间短路、第二悬浮电极与第二触控电极之间短路的风险，解决了现有DOT技术存在悬浮电极和触控驱动电极、触控感应电极之间短路，造成容值异常的问题，提高了显示面板内容值均匀性，提高了产品良率。
第一绝缘层410形成于封装层300上，主要用于界面修复以及平坦化，为后续第一金属层420的制备提供良好的底层结构。第一绝缘层410的材料包括氮化硅、氧化硅、氮氧化硅，第一绝缘层410可以是氮化硅、氧化硅或氮氧化硅的单层结构，也可以是氮化硅和氧化硅的叠层结构。
第二绝缘层430形成于第一金属层420上，且覆盖第一金属层420，用于隔绝第一金属层420和第二金属层440。同样的，第二绝缘层430的材料包括氮化硅、氧化硅、氮氧化硅，第二绝缘层430可以是氮化硅、氧化硅或氮氧化硅的单层结构，也可以是氮化硅和氧化硅的叠层结构。
钝化层450形成于第二金属层440上，且覆盖第二金属层440，钝化层用于保护第二金属层440，同时隔绝第二金属层440与外层金属或水氧接触。钝化层450的材料一般包括氮化硅、氧化硅、氮氧化硅，钝化层450可以是氮化硅、氧化硅或氮氧化硅的单层结构，也可以是氮化硅和氧化硅的叠层结构。
下面将从第一金属层、第二金属层单膜层平面结构，以及叠加膜层平面结构对本申请实施例提供的显示面板进行详细的解释说明。
在一种实施例中，请参照图4至图6。
请参照图4，图4示出了本申请实施例提供的第一种显示面板的第一金属层的平面示意图。如图所示，第一金属层420包括第一悬浮电极421、第二悬浮电极422、以及桥接电极423。其中，第一悬浮电极421相互之间不连接，第二悬浮电极422相互之间不连接，桥接电极423相互之间不连接，且第一悬浮电极421、第二悬浮电极422、桥接电极423相互之间也不连接。
其中，第一悬浮电极421的形状、大小均相同，第二悬浮电极422的形状、大小均形同，桥接电极423的形状、大小均相同。第一悬浮电极421、第二悬浮电极422、以及桥接电极423均为网格状，网格状围成的区域对应像素单元所在的区域。
在一种实施方案中，第一悬浮电极421的形状与第二悬浮电极422的形状相同，第一悬浮电极421的大小与第二悬浮电极422的大小也相同。第一悬浮电极421的形状可以是菱形、矩形、三角形、圆形等任意多边形中的一种。
在另一种实施方案中，第一悬浮电极421与第二悬浮电极422在形状和大小两个特征中在至少一个特征不相同。第一悬浮电极421与第二悬浮电极422形状相同，大小不同，第一悬浮电极421的形状可以是菱形、矩形、三角形、圆形等任意多边形中的一种。第一悬浮电极421与第二悬浮电极422大小相同，形状不同，第一悬浮电极421和第二悬浮电极422的形状可以是菱形、矩形、三角形、圆形等任意多边形中的一种或两种。
请参照图5，图5示出了本申请实施例提供的第一种显示面板的第二金属层的平面示意图。如图所示，第二金属层440包括第一触控电极441以及第二触控电极442。
在第二金属层440内，第一触控电极441在第二方向上阵列排布，第一触控电极441相互之间不连接，但通过第二绝缘层430内的过孔，与第一金属层420内的桥接电极423连接，从而实现第一触控电极441在第一方向上串联。同时，第二触控电极442在第二方向上延伸，在第一方向上间隔排布。
第一触控电极441、第二触控电极442均为网格状，网格线围成的区域对应像素单元所在的区域。
第一触控电极441和第二触控电极442，可以是第一触控电极441为触控驱动电极，第二触控电极442为触控感测电极；也可以是第一触控电极441为触控感测电极，第二触控电极442为触控驱动电极，在此不做限定。
其中，第一方向和第二方向相互垂直。可以是第一方向为水平方向且第二方向为竖直方向，也可以是第一方向为竖直方向且第二方向为水平方向。
在一种实施方案中，第一触控电极441和第二触控电极442均为条状电极。若干在第二方向上阵列排布的第一触控电极441，在第一方向上间隔排列且沿第一方向延伸，若干在第一方向上间隔排列的第二触控电极442，沿第二方向延伸，第一方向和第二方向相互垂直。
在另一种实施方案中，第一触控电极441和第二触控电极442均为菱形电极。第一触控电极441包括在第二方向上阵列排布的菱形电极片，菱形电极片在第一方向上通过桥接电极423按固定间隔规则串联在一起；第二触控电极442包括在第二方向上，按固定间隔规则连接在一起的若干菱形片，第二触控电极442在第一方向上等间距排列。
在其他实施方案中，第一触控电极441和第二触控电极442还可以是圆形、三角形等其他任意形状。
请参照图6，图6示出了本申请实施提供的第一种显示面板的第一金属层和第二金属层的平面叠加示意图。第一触控电极441上设置有第一挖空区域4411，第一挖空区域4411在封装层300上的投影区域与第一悬浮电极421在封装区300上的投影区域重合，即第一挖空区域4411与第一悬浮电极421相对应。第二触控电极442上设置有第二挖空区域4421，第二挖空区域4421在封装层300上的投影区域与第二悬浮电极422在封装层300上的投影区域重合，即第二挖空区域4421与第二悬浮电极422相对应。
由于第一挖空区域4411对应于第一悬浮电极421，第二挖空区域4421对应于第二悬浮电极422，第一悬浮电极421用于调节第一触控电极441的单点容值，第二悬浮电极422用于调节第二触控电极442的单点容值。因此，第一挖空区域441的大小由第一触控电极441需要的调节的电容值决定，第二挖空区域442的大小由第二触控电极442需要的调节的电容值决定。相对应的，第一悬浮电极421的大小和形状由第一挖空区域4411的大小和形状决定，第二悬浮电极422的大小和形状由第二挖空区域4421的大小和形状决定。
其中，第一挖空区域4411的形状、大小均相同，第一挖空区域4411在第一触控电极441上的设置位置也均相同；第二挖空区域4421的形状、大小均形同，第二挖空区域4421在第二触控电极442上的设置位置也均相同。第一挖空区域4411的面积大小可根据第一触控电极441的具体需要进行设置，第二挖空区域4421的面积大小可根据第二触控电极441的具体需要进行设置。
在单片电极上，如菱形触控电极的单菱形片上，第一挖空区域4411或第二挖空区域4421的个数可以是一个也可以是多个，具体设置个数，以及设置位置等均可以根据实际需要进行设计，在此不做限定。第一挖空区域4411的大小和形状可以与第二挖空区域4421的大小和形状分别相同，也可以存在至少一个特征不同，在此也不做限定。挖空区域的形状可以是菱形、矩形、三角形或圆形等任意多边形。
通过在第二金属层440，第一触控电极441内设置第一挖空区域，第一挖空区域对应第一金属层420内的第一悬浮电极421，第二触控电极442内设置第二挖空区域，第二挖空区域对应第一金属层420内的第二悬浮电极422。由现有技术中，悬浮电极与触控电极同层设置，该为悬浮电极与触控电极分层设置，不必再考虑同层设置中悬浮电极与触控电极之间的断口设置，在保证显示面板光学效果一致性的基础上，杜绝了第一悬浮电极与第一触控电极之间短路、第二悬浮电极与第二触控电极之间短路的风险，解决了现有DOT技术存在悬浮电极和触控驱动电极、触控感应电极之间短路，造成容值异常的问题，提高了显示面板内容值均匀性，提高了产品良率。
第一触控电极441还包括断线位置4412，断线位置4412在封装层300上的投影落入桥接电极423在封装层300上的投影内，即桥接电极423在封装层300上的投影包括且大于断线位置4412在封装层300上的投影。这样一方面保证了第一触控电极441通过过孔与桥接电极423连接，另一方面进一步提高了显示面板的光学均一性。
在本申请提供的实施例中，第二金属层440和第一金属层420的材料要保证相同，即需要保证第一触控电极、第二触控电极、第一悬浮电极、第二悬浮电极、桥接电极的材料均相同，从而保证整个显示面板的光学均一性，以及第一触控电极的电学均一性。
第二金属层440和第一金属层420均为网格状，网格线对应像素单元的边缘区域，这样使得第一金属层420和第二金属层440网格可以是透明金属，也可以是非透明金属，扩大了第一金属层420和第二金属层440材料的选择。
第二金属层440和第一金属层420的材料包括但不限于金属铝、金属铜、金属银、金属钼、金属钛中的一种或多种。可以是单膜层结构；也可以是双膜层结构，如金属金属钛/金属铝、金属钛/金属铜、金属钼/金属铝构成的双膜层结构；还可以是三膜层结构，如金属钛/金属铝/金属钛、金属钛/金属铜/金属钛、金属钼/金属铝/金属钼构成的三膜层结构。
第一触控电极、第二触控电极、第一悬浮电极、第二悬浮电极、以及桥接电极均设置为网格状，网格围成的区域对应像素单元所在的区域，一方面保证了整个显示面板的出光效果，另一方面增强了整个显示面板的柔韧性以及延展性，更利于本申请提供的显示面板在柔性领域中的应用。
在另一种实施例中，请参照图7至图9。
请参照图7，图7示出了本申请实施例提供的第二种显示面板的第一金属层的平面示意图。如图所示，第一金属层420包括第一悬浮电极421、第二悬浮电极422、桥接电极423、以及弯曲识别走线424。弯曲识别走线424为折线。
其中，第一悬浮电极421的形状、大小均相同，第二悬浮电极422的形状、大小均形同，桥接电极423的形状、大小均相同。第一悬浮电极421的形状与第二悬浮电极422的形状相同，第一悬浮电极421的大小与第二悬浮电极422的大小也相同。第一悬浮电极421的形状可以是菱形、矩形、三角形、圆形等任意多边形中的一种。第一悬浮电极421、第二悬浮电极422、以及桥接电极423均为网格状，网格状围成的区域对应像素单元所在的区域。
第一悬浮电极421和/或所述第二悬浮电极422包括弯曲识别悬浮电极425，弯曲识别悬浮电极425呈阵列排布，弯曲识别电极425与弯曲识别走线424连接，弯曲识别电极425可以根据显示面板弯曲识别的位置需要进行设置，其具体分布和数量不做限定。弯曲识别电极425与弯曲识别走线424相连，在显示面板进行弯曲识别操作时，弯曲识别走线424向弯曲识别电极425输入识别信号，利用弯曲识别电极424的自电容工作原理，对显示面板的弯曲位置进行定位识别处理。
本申请实施例利用第一金属层420内的部分悬浮电极作为弯折位置的识别感应电极，采用自电容的方式对显示面板的弯曲位置进行识别定位，实现了触控电极与弯曲识别电极的集成。
请参照图8，图8示出了本申请实施例提供的第二种显示面板的第二金属层的平面示意图。如图所示，第二金属层440包括第一触控电极441以及第二触控电极442。
在第二金属层440内，第一触控电极441在第二方向上阵列排布，第一触控电极441相互之间不连接，但通过第二绝缘层430内的过孔，与第一金属层420内的桥接电极423连接，从而实现第一触控电极441在第一方向上串联。同时，第二触控电极442在第二方向上延伸，在第一方向上间隔排布。
第一触控电极441、第二触控电极442均为网格状，网格线围成的区域对应像素单元所在的区域。
第一触控电极441和第二触控电极442，可以是第一触控电极441为触控驱动电极，第二触控电极442为触控感测电极；也可以是第一触控电极441为触控感测电极，第二触控电极442为触控驱动电极，在此不做限定。
其中，第一方向和第二方向相互垂直。可以是第一方向为水平方向且第二方向为竖直方向，也可以是第一方向为竖直方向且第二方向为水平方向。
请参照图9，图9示出了本申请实施提供的第二种显示面板的第一金属层和第二金属层的平面叠加示意图。第一触控电极441上设置有第一挖空区域4411，第一挖空区域4411在封装层300上的投影区域与第一悬浮电极421在封装区300上的投影区域重合，即第一挖空区域4411与第一悬浮电极421相对应。第二触控电极442上设置有第二挖空区域4421，第二挖空区域4421在封装层300上的投影区域与第二悬浮电极422在封装层300上的投影区域重合，即第二挖空区域4421与第二悬浮电极422相对应。
弯曲识别走线424对应第一触控电极441和/或第二触控电极442网格线的位置，这样进一步保证了整个显示面板的光学均一性。
第一触控电极441还包括断线位置4412，断线位置4412在封装层300上的投影落入桥接电极423在封装层300上的投影内，即桥接电极423在封装层300上的投影包括且大于断线位置4412在封装层300上的投影。这样一方面保证了第一触控电极441通过过孔与桥接电极423连接，另一方面进一步提高了显示面板的光学均一性。
本申请实施例通过在第一触控电极441内设置第一挖空区域，第一挖空区域对应第一金属层420内的第一悬浮电极421，第二触控电极442内设置第二挖空区域，第二挖空区域对应第一金属层420内的第二悬浮电极422。由现有技术中，悬浮电极与触控电极同层设置，该为悬浮电极与触控电极分层设置，不必再考虑同层设置中悬浮电极与触控电极之间的断口设置，在保证显示面板光学效果一致性的基础上，杜绝了第一悬浮电极与第一触控电极之间短路、第二悬浮电极与第二触控电极之间短路的风险，解决了现有DOT技术存在悬浮电极和触控驱动电极、触控感应电极之间短路，造成容值异常的问题，提高了显示面板内容值均匀性，提高了产品良率。同时，在第一金属层420内设置弯曲识别走线，并利用第一金属层420内的部分悬浮电极作为弯折位置的识别感应电极，采用自电容的方式对显示面板的弯曲位置进行识别定位，实现了触控电极与弯曲识别电极的集成。
同样的，在本申请提供的实施例中，第二金属层440和第一金属层420的材料要保证相同，即需要保证第一触控电极、第二触控电极、第一悬浮电极、第二悬浮电极、桥接电极的材料均相同，从而保证整个显示面板的光学均一性，以及第一触控电极的电学均一性。
第二金属层440和第一金属层420均为网格状，网格线对应像素单元的边缘区域，这样使得第一金属层420和第二金属层440网格可以是透明金属，也可以是非透明金属，扩大了第一金属层420和第二金属层440材料的选择。
第二金属层440和第一金属层420的材料包括但不限于金属铝、金属铜、金属银、金属钼、金属钛中的一种或多种。可以是单膜层结构；也可以是双膜层结构，如金属金属钛/金属铝、金属钛/金属铜、金属钼/金属铝构成的双膜层结构；还可以是三膜层结构，如金属钛/金属铝/金属钛、金属钛/金属铜/金属钛、金属钼/金属铝/金属钼构成的三膜层结构。
第一触控电极、第二触控电极、第一悬浮电极、第二悬浮电极、以及桥接电极均设置为网格状，网格围成的区域对应像素单元所在的区域，一方面保证了整个显示面板的出光效果，另一方面增强了整个显示面板的柔韧性以及延展性，更利于本申请提供的显示面板在柔性领域中的应用。
本申请还提供一种显示装置，该显示装置包括本申请实施例提供的显示面板，该显示面板包括驱动电路层、发光功能层、封装层、以及触控层，触控层形成于封装层上，触控层包括：
第一绝缘层，形成于封装层上；
第一金属层，形成于第一绝缘层上，图案化形成第一悬浮电极、第二悬浮电极、以及桥接电极；
第二绝缘层，形成于第一金属层上，覆盖第一金属层，第二绝缘层上设置有过孔；
第二金属层，形成于第二绝缘层上，图案化形成第一触控电极以及第二触控电极，第一触控电极通过过孔与所述桥接电极连接，第一触控电极上设置有第一挖空区域，第二触控电极上设置有第二挖空区域，第一挖空区域在封装层上的投影区域与第一悬浮电极在封装区上的投影区域重合，第二挖空区域在封装层上的投影区域与第二悬浮电极在封装层上的投影区域重合；
钝化层，形成于第二金属层上，覆盖第二金属层。
本实施例提供了一种显示装置，该显示装置包括了本申请实施例提供的显示面板，取得了该显示面板具有的有益效果，具体实现方式请参照上述实施例。
在一种实施例中，第一触控电极、第二触控电极、第一悬浮电极、第二悬浮电极、以及桥接电极均为网格状，网格线围成的区域对应像素单元所在的区域。
在一种实施例中，第一触控电极还包括断线位置，断线位置在封装层上的投影落入桥接电极在封装层上的投影内。
在一种实施例中，第一触控电极通过桥接电极在第一方向上串联，在第二方向上阵列排布；第二触控电极在第二方向上延伸，在第一方向上间隔排布；第一方向和第二方向相互垂直。
在一种实施例中，第一触控电极为触控驱动电极，第二触控电极为触控感测电极。
在一种实施例中，所述第二金属层和所述第一金属层的材料相同，所述材料包括金属铝、金属铜、金属银、金属钼、金属钛中的一种或多种。
在一种实施例中，第一触控电极为触控感测电极，第二触控电极为触控驱动电极。
在一种实施例中，第一悬浮电极和第二悬浮电极包括弯曲识别电极，弯曲识别电极呈阵列分布。
在一种实施例中，第一金属层还包括弯曲识别走线，弯曲识别走线与弯曲识别电极连接。
在一种实施例中，弯曲识别走线在封装层上的投影，落在第一触控电极和第二触控电极在封装层上的投影内。
根据上述实施例可知：
本申请实施例提供了一种显示面板以及显示装置，该显示面板包括驱动电路层、发光功能层、封装层、以及触控层，触控层形成于封装层上，触控层包括：第一绝缘层，形成于封装层上；第一金属层，形成于第一绝缘层上，图案化形成第一悬浮电极、第二悬浮电极、以及桥接电极；第二绝缘层，形成于第一金属层上，覆盖第一金属层，用于隔绝第一金属层，第二绝缘层上设置有过孔；第二金属层，形成于第二绝缘层上，图案化形成第一触控电极以及第二触控电极，第一触控电极通过过孔与桥接电极连接，第一触控电极上设置有第一挖空区域，第二触控电极上设置有第二挖空区域，第一挖空区域在封装层上的投影区域与第一悬浮电在封装区上的投影区域重合，第二挖空区域在封装层上的投影区域与第二悬浮电极在封装层上的投影区域重合；钝化层，形成于第二金属层上，覆盖第二金属层。由现有技术中，悬浮电极与触控电极同层设置，改为悬浮电极与触控电极分层设置，不必再考虑同层设置中悬浮电极与触控电极之间的断口设置，在保证显示面板光学效果一致性的基础上，杜绝了第一悬浮电极与第一触控电极之间短路、第二悬浮电极与第二触控电极之间短路的风险，解决了现有DOT技术存在悬浮电极和触控驱动电极、触控感应电极之间短路，造成容值异常的问题，提高了显示面板内容值均匀性，提高了产品良率。同时，在第一金属层内设置弯曲识别走线，并利用第一金属层内的部分悬浮电极作为弯折位置的识别感应电极，采用自电容的方式对显示面板的弯曲位置进行识别定位，实现了触控电极与弯曲识别电极的集成。
综上所述，虽然本申请已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种显示面板，其包括驱动电路层、发光功能层、封装层、以及触控层，所述触控层形成于所述封装层上，所述触控层包括：
    第一绝缘层，形成于所述封装层上；
    第一金属层，形成于所述第一绝缘层上，图案化形成第一悬浮电极、第二悬浮电极、以及桥接电极；
    第二绝缘层，形成于所述第一金属层上，覆盖所述第一金属层，所述第二绝缘层上设置有过孔；
    第二金属层，形成于所述第二绝缘层上，图案化形成第一触控电极以及第二触控电极，所述第一触控电极通过所述过孔与所述桥接电极连接，所述第一触控电极上设置有第一挖空区域，所述第二触控电极上设置有第二挖空区域，所述第一挖空区域在所述封装层上的投影区域与所述第一悬浮电极在所述封装区上的投影区域重合，所述第二挖空区域在所述封装层上的投影区域与所述第二悬浮电极在所述封装层上的投影区域重合；
    钝化层，形成于所述第二金属层上，覆盖所述第二金属层。
  2. 如权利要求1所述的显示面板，其中，所述第一触控电极、所述第二触控电极、所述第一悬浮电极、所述第二悬浮电极、以及所述桥接电极均为网格状，网格线围成的区域对应像素单元所在的区域。
  3. 如权利要求2所述的显示面板，其中，所述第一触控电极还包括断线位置，所述断线位置在所述封装层上的投影落入所述桥接电极在所述封装层上的投影内。
  4. 如权利要求1所述的显示面板，其中，所述第一触控电极通过所述桥接电极在第一方向上串联，在第二方向上阵列排布；所述第二触控电极在所述第二方向上延伸，在所述第一方向上间隔排布；所述第一方向和所述第二方向相互垂直。
  5. 如权利要求4所述的显示面板，其中，所述第一触控电极为触控驱动电极，所述第二触控电极为触控感测电极。
  6. 如权利要求4所述的显示面板，其中，所述第一触控电极为触控感测电极，所述第二触控电极为触控驱动电极。
  7. 如权利要求1所述的显示面板，其中，所述第一悬浮电极和所述第二悬浮电极包括弯曲识别电极，所述弯曲识别电极呈阵列分布。
  8. 如权利要求7所述的显示面板，其中，所述第一金属层还包括弯曲识别走线，所述弯曲识别走线与所述弯曲识别电极连接。
  9. 如权利要求8所述的显示面板，其中，所述弯曲识别走线在所述封装层上的投影，落在所述第一触控电极和所述第二触控电极在所述封装层上的投影内。
  10. 如权利要求1所述的显示面板，其中，所述第二金属层和所述第一金属层的材料相同，所述材料包括金属铝、金属铜、金属银、金属钼、金属钛、氧化铟锡中的一种或多种。
  11. 一种显示装置，其包括显示面板，所述显示面板包括驱动电路层、发光功能层、封装层、以及触控层，所述触控层形成于所述封装层上，所述触控层包括：
    第一绝缘层，形成于所述封装层上；
    第一金属层，形成于所述第一绝缘层上，图案化形成第一悬浮电极、第二悬浮电极、以及桥接电极；
    第二绝缘层，形成于所述第一金属层上，覆盖所述第一金属层，所述第二绝缘层上设置有过孔；
    第二金属层，形成于所述第二绝缘层上，图案化形成第一触控电极以及第二触控电极，所述第一触控电极通过所述过孔与所述桥接电极连接，所述第一触控电极上设置有第一挖空区域，所述第二触控电极上设置有第二挖空区域，所述第一挖空区域在所述封装层上的投影区域与所述第一悬浮电极在所述封装区上的投影区域重合，所述第二挖空区域在所述封装层上的投影区域与所述第二悬浮电极在所述封装层上的投影区域重合；
    钝化层，形成于所述第二金属层上，覆盖所述第二金属层。
  12. 如权利要求11所述的显示装置，其中，所述第一触控电极、所述第二触控电极、所述第一悬浮电极、所述第二悬浮电极、以及所述桥接电极均为网格状，网格线围成的区域对应像素单元所在的区域。
  13. 如权利要求12所述的显示装置，其中，所述第一触控电极还包括断线位置，所述断线位置在所述封装层上的投影落入所述桥接电极在所述封装层上的投影内。
  14. 如权利要求11所述的显示装置，其中，所述第一触控电极通过所述桥接电极在第一方向上串联，在第二方向上阵列排布；所述第二触控电极在所述第二方向上延伸，在所述第一方向上间隔排布；所述第一方向和所述第二方向相互垂直。
  15. 如权利要求14所述的显示装置，其中，所述第一触控电极为触控驱动电极，所述第二触控电极为触控感测电极。
  16. 如权利要求14所述的显示面板，其中，所述第一触控电极为触控感测电极，所述第二触控电极为触控驱动电极。
  17. 如权利要求11所述的显示装置，其中，所述第一悬浮电极和所述第二悬浮电极包括弯曲识别电极，所述弯曲识别电极呈阵列分布。
  18. 如权利要求17所述的显示装置，其中，所述第一金属层还包括弯曲识别走线，所述弯曲识别走线与所述弯曲识别电极连接。
  19. 如权利要求18所述的显示装置，其中，所述弯曲识别走线在所述封装层上的投影，落在所述第一触控电极和所述第二触控电极在所述封装层上的投影内。
  20. 如权利要求11所述的显示装置，其中，所述第二金属层和所述第一金属层的材料相同，所述材料包括金属铝、金属铜、金属银、金属钼、金属钛、氧化铟锡中的一种或多种。
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