WO2021179380A1 - 显示面板及显示模组 - Google Patents

显示面板及显示模组 Download PDF

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Publication number
WO2021179380A1
WO2021179380A1 PCT/CN2020/083511 CN2020083511W WO2021179380A1 WO 2021179380 A1 WO2021179380 A1 WO 2021179380A1 CN 2020083511 W CN2020083511 W CN 2020083511W WO 2021179380 A1 WO2021179380 A1 WO 2021179380A1
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WO
WIPO (PCT)
Prior art keywords
layer
substrate
touch
electrode layer
display panel
Prior art date
Application number
PCT/CN2020/083511
Other languages
English (en)
French (fr)
Inventor
曹武
Original Assignee
深圳市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.)
Filing date
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Application filed by 深圳市华星光电半导体显示技术有限公司 filed Critical 深圳市华星光电半导体显示技术有限公司
Priority to US16/759,344 priority Critical patent/US20210286223A1/en
Publication of WO2021179380A1 publication Critical patent/WO2021179380A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • 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

Definitions

  • the application relates to the display field, and in particular to a display panel and a display module.
  • LCD is a widely used flat panel display, which mainly realizes picture display by modulating the intensity of the light field of the backlight source through a liquid crystal switch.
  • VA vertical Alignment (vertical orientation) mode
  • add-on touch is usually used to realize the touch operation of a large-size panel.
  • in-cell touch is gradually being used in large-size LCD panels.
  • the in-cell touch in the existing large-size panel is generally arranged in the array substrate, and in order to ensure the sensitivity of the touch, the array substrate is arranged as the light-emitting side of the panel.
  • the array substrate is arranged as the light-emitting side of the panel.
  • the present application provides a display panel and a display module to solve the technical problem of high reflectivity of the backlight source through the array substrate in the existing large-size panel.
  • the present application provides a display panel, which includes a first substrate, a second substrate disposed opposite to the first substrate, and a liquid crystal layer located between the first substrate and the second substrate;
  • the first substrate includes a first substrate, a driving circuit layer on the first substrate, a first common electrode layer on the driving circuit layer, and electrical connection members;
  • the second substrate includes a second substrate and a second common electrode layer on the second substrate;
  • the display panel further includes a touch control member, and the touch control member includes a touch electrode layer located between the second substrate and the second common electrode layer, and a touch control located on the driving circuit layer. Control wiring, the touch electrode layer is electrically connected to the touch wiring through the electrical connection member.
  • the driving circuit layer includes a gate layer on the first substrate and a source and drain layer on the gate layer;
  • the touch control trace is provided in the same layer as at least one of the gate layer and the source and drain layers.
  • the driving circuit layer further includes a light-shielding metal layer located between the first substrate and the gate layer;
  • the touch control trace is provided in the same layer as at least one of the gate layer, the source and drain layer, and the light shielding metal layer.
  • the second substrate includes at least two first grooves, one of the first grooves corresponds to the electrical connection member, and the first groove penetrates the second common An electrode layer, an insulating layer between the second common electrode layer and the touch electrode layer, so that part of the touch electrode layer is exposed;
  • the electrical connection member is electrically connected to the touch electrode layer through the first groove.
  • the number of the first grooves is less than or equal to the number of the electrical connection members.
  • the display panel further includes a color filter layer located in the first substrate or the second substrate;
  • the color filter layer when the color filter layer is located in the second substrate, the color filter layer is located on the first side of the touch electrode layer close to the second common electrode layer or far away from the second common electrode. The second side.
  • the electrical connection member includes a first connection member, and the first connection member is a conductive material
  • the touch electrode layer is electrically connected to the touch trace in the drive circuit layer through the first connection member.
  • the electrical connection member includes a first connection member and a second connection member, the first connection member is a conductive material, and the second connection member is an insulating material;
  • the second connecting member is located on the surface of the first connecting member; or, the second connecting member is located in the first connecting member;
  • the touch electrode layer is electrically connected to the touch trace in the driving circuit layer through the second connecting member.
  • the touch electrode layer includes at least two touch electrodes distributed in an array, and the area of any one of the touch electrodes is 9 square millimeters to 100 square millimeters.
  • the first distance between two adjacent electrical connection members is equal; in the second direction of the display panel, two adjacent The second distances of the electrical connection members are equal;
  • the first distance and the second distance are not equal.
  • the application also proposes a display module, wherein the display module includes a display panel, a polarizer layer and a cover layer on the display panel, and the display panel includes a first substrate, and a second substrate. A second substrate arranged opposite to the substrate, and a liquid crystal layer located between the first substrate and the second substrate;
  • the first substrate includes a first substrate, a driving circuit layer on the first substrate, a first common electrode layer on the driving circuit layer, and electrical connection members;
  • the second substrate includes a second substrate and a second common electrode layer on the second substrate;
  • the display panel further includes a touch control member, and the touch control member includes a touch electrode layer located between the second substrate and the second common electrode layer, and a touch control located on the driving circuit layer. Control wiring, the touch electrode layer is electrically connected to the touch wiring through the electrical connection member.
  • the driving circuit layer includes a gate layer on the first substrate and a source and drain layer on the gate layer;
  • the touch control trace is provided in the same layer as at least one of the gate layer and the source and drain layers.
  • the driving circuit layer further includes a light-shielding metal layer located between the first substrate and the gate layer;
  • the touch control trace is provided in the same layer as at least one of the gate layer, the source and drain layer, and the light shielding metal layer.
  • the second substrate includes at least two first grooves, one of the first grooves corresponds to the electrical connection member, and the first groove penetrates the second A common electrode layer, an insulating layer between the second common electrode layer and the touch electrode layer, so that part of the touch electrode layer is exposed;
  • the electrical connection member is electrically connected to the touch electrode layer through the first groove.
  • the number of the first grooves is less than or equal to the number of the electrical connection members.
  • the display panel further includes a color filter layer located in the first substrate or the second substrate;
  • the color filter layer when the color filter layer is located in the second substrate, the color filter layer is located on the first side of the touch electrode layer close to the second common electrode layer or far away from the second common electrode. The second side.
  • the electrical connection member includes a first connection member, and the first connection member is a conductive material
  • the touch electrode layer is electrically connected to the touch trace in the drive circuit layer through the first connection member.
  • the electrical connection member includes a first connection member and a second connection member, the first connection member is a conductive material, and the second connection member is an insulating material;
  • the second connecting member is located on the surface of the first connecting member; or, the second connecting member is located in the first connecting member;
  • the touch electrode layer is electrically connected to the touch trace in the driving circuit layer through the second connecting member.
  • the touch electrode layer includes at least two touch electrodes distributed in an array, and the area of any one of the touch electrodes is 9 square millimeters to 100 square millimeters.
  • the first distance between two adjacent electrical connection members is equal; in the second direction of the display panel, two adjacent The second distances of the electrical connection members are equal;
  • the first distance and the second distance are not equal
  • the touch electrode layer is arranged on the light-exit side of the non-driving layer circuit layer of the display panel and the touch trace is arranged on the driving circuit layer, which reduces the arrangement of metal wires on the light-exit side, reduces the reflectivity of ambient light, and improves The display effect of the panel.
  • Figure 1 is the first structural diagram of the display panel of this application.
  • Figure 2 is a second structure diagram of the display panel of this application.
  • Figure 3 is a third structural diagram of the display panel of this application.
  • FIG. 4 is a structural diagram of the middle touch component of the display panel of the present application.
  • the in-cell touch in the existing large-size panel is generally arranged in the array substrate, and in order to ensure the sensitivity of the touch, the array substrate is arranged as the light-emitting side of the panel.
  • the array substrate is arranged as the light-emitting side of the panel.
  • the present application provides a display panel 100, which includes a first substrate 10, a second substrate 20 disposed opposite to the first substrate 10, and located between the first substrate 10 and the The liquid crystal layer 30 between the second substrate 20;
  • the first substrate 10 includes a first substrate 11, a driving circuit layer 12 on the first substrate 11, a first common electrode layer 13 on the driving circuit layer 12, and an electrical connection member 14;
  • the second substrate 20 includes a second substrate 21 and a second common electrode layer 22 on the second substrate 21;
  • the display panel 100 further includes a touch control member, and the touch control member includes a touch electrode layer 41 located between the second substrate 21 and the second common electrode layer 22, and a touch control electrode layer 41 located between the second substrate 21 and the second common electrode layer 22.
  • the touch trace 42 of the circuit layer 12, and the touch electrode layer 41 is electrically connected to the touch trace 42 through the electrical connection member 14.
  • the touch electrode layer 41 is arranged on the light-exit side of the non-driving layer circuit layer of the display panel 100 and the touch trace 42 is arranged on the driving circuit layer 12, thereby reducing the arrangement of metal wires on the light-exiting side and reducing ambient light. Reflectivity improves the display effect of the panel
  • the first substrate 10 may be an array substrate, and the second substrate 20 may be a color filter substrate.
  • the first substrate 11 and the second substrate 21 may be a rigid substrate or a flexible substrate.
  • the materials of the first substrate 11 and the second substrate 21 may be made of materials such as glass and quartz.
  • the first substrate 11 and the second substrate 21 may be materials such as polyimide.
  • the substrate structure is generally set as a rigid substrate, which will not be described in detail here.
  • the driving circuit layer 12 includes a plurality of thin film transistors.
  • the thin film transistor may be of an etch-stop type, a back-channel etch type, or a top-gate thin-film transistor type structure, which is not specifically limited.
  • the thin film transistor of the bottom gate thin film transistor type may include a gate layer 103 on the first substrate 11, a gate insulating layer 102 on the gate layer 103, and a gate insulating layer 102 on the gate insulating layer 102.
  • the first common electrode is electrically connected to the source/drain in the source/drain layer 105 through the first via 107 of the passivation layer 106.
  • the first common electrode layer 13 may also be referred to as a pixel electrode layer, and is used to provide a first voltage for deflection of liquid crystal molecules.
  • the material of the first common electrode layer 13 may be ITO.
  • the display panel 100 further includes a supporting member on the array substrate.
  • the supporting member includes a first supporting layer and a second supporting layer (not shown).
  • the thickness of the first supporting layer is greater than that of the second supporting layer.
  • the first support layer is in contact with the second substrate 20.
  • the supporting member may be composed of an organic material.
  • part of the first supporting layer is formed by the electrical connection member 14.
  • the display panel 100 further includes a color filter layer 23 located in the first substrate 10 or the second substrate 20.
  • the color filter layer 23 is located in the second substrate 20, the color filter layer 23 is located on the first side of the touch electrode layer 41 close to the second common electrode layer 22 or far away from the second common electrode layer 22. The second side of the common electrode.
  • the color filter layer 23 is located between the touch electrode layer 41 and the second substrate 21. As shown in FIG. 2, the color filter layer 23 is located between the insulating layer 26 in the second substrate 20 and the second common electrode.
  • the color filter layer 23 may also be disposed on the array substrate.
  • the alignment error between the first substrate 10 and the second substrate 20 can be avoided, and the quality of the panel can be improved.
  • the first common electrode layer 13 is used to provide a second voltage for deflection of liquid crystal molecules.
  • the second voltage is a constant voltage, and the display panel 100 changes the pressure difference between the two sides of the liquid crystal layer 30 by changing the magnitude of the first voltage to make the liquid crystal molecules deflect at different angles.
  • the material of the second common electrode layer 22 may be ITO.
  • the second substrate 20 further includes at least two first grooves 24.
  • a first groove 24 corresponds to an electrical connection member 14, and the first groove 24 penetrates the second common electrode layer 22, the second common electrode layer 22, and The insulating layer 26 between the touch electrode layers 41 makes a part of the touch electrode layer 41 exposed.
  • the electrical connection member 14 is electrically connected to the touch electrode layer 41 through the first groove 24.
  • the number of the first grooves 24 is less than or equal to the number of the electrical connection members 14.
  • the second common electrode layer 22 is provided on the entire surface, during signal transmission, due to the influence of resistance and capacitance (RC), it is inevitable that there will be a voltage drop in part of the second common electrode layer 22, resulting in panel display. Certain abnormalities. Part of the electrical connection member 14 is directly connected to the second common electrode layer 22, which reduces the overall impedance of the second common electrode layer 22.
  • RC resistance and capacitance
  • the electrical connection member 14 is connected to a constant voltage power supply through a predetermined metal wire, which further ensures that the voltage of the second common electrode layer 22 is constant and ensures the display effect of the panel.
  • the first groove 24 penetrates the second common electrode layer 22 and the isolation layer 26.
  • the first groove 24 penetrates the second common electrode layer 22, the isolation layer 26, and the color filter layer 23.
  • the electrical connection member 14 is electrically connected to the exposed touch electrode layer 41 through the first groove 24.
  • the color filter layer 23 is disposed on the array substrate, and the depth of the first groove 24 is the same as that in FIG. 2.
  • the color filter layer 23 is arranged on the array substrate, so that the flatness of the array substrate is better than the technical solutions of FIGS. 1 and 2. Therefore, the technical solution in FIG. 3 is better than the technical solutions in FIG. 1 and FIG. 2 when the process conditions allow.
  • the color film layer 23 in FIG. 3 replaces the original passivation layer 106, which reduces the thickness of the display panel 100 while ensuring the flatness of the array substrate surface.
  • the electrical connection member 14 includes a first connection member 141, and the touch electrode layer 41 is electrically connected to the touch trace 42 in the drive circuit layer 12 through the first connection member 141. connect.
  • the first connecting member 141 is made of conductive material.
  • the first connection member 141 in this embodiment can be used as a supporting structure of the display panel 100 and can also be used as an electrical connection structure of the touch electrode layer 41.
  • the electrical connection member 14 includes a first connection member 141 and a second connection member 142.
  • the first connection member 141 is a conductive material
  • the second connection member 142 is an insulating material.
  • the second connecting member 142 is located on the surface of the first connecting member 141.
  • the first connection member 141 may be formed in the same process as the support member, and the second connection member 142 may be formed in the same process as the first common electrode layer 13.
  • the second connecting member 142 may be located in the first connecting member 141 to prevent the metal layer from directly contacting the liquid crystal layer 30 and causing the liquid crystal molecules to fail.
  • the touch electrode layer 41 is electrically connected to the touch trace 42 in the driving circuit layer 12 through the second connecting member 142.
  • the electrical connection member 14 may be located in the non-display area of the display panel 100.
  • the electrical connection member 14 is electrically connected to the touch trace 42 through the second via 108.
  • the driving circuit layer 12 includes two metal layers of a gate layer 103 on the first substrate 11 and a source and drain layer 105 on the gate layer 103 ,
  • the touch wiring 42 and at least one of the gate layer 103 and the source/drain layer 105 are arranged in the same layer.
  • FIGS. 1 to 3 show that the touch trace 42 and the source drain layer 105 are arranged in the same layer.
  • the touch trace 42 and the source/drain in the source/drain layer 105 can be formed in the same process.
  • the touch wiring 42 and the gate layer 103 are arranged in the same layer, they need to be arranged across the scan lines arranged horizontally.
  • the touch wire 42 is formed by two layers of metal wires in parallel to reduce the impedance of the touch wire 42 and improve the sensitivity of the touch signal.
  • the driving circuit layer 12 may further include a light-shielding metal layer (not shown) located between the first substrate 11 and the gate layer 103.
  • the touch trace 42 is provided in the same layer as at least one of the gate layer 103, the source and drain layer 105, and the light-shielding metal layer. The specific implementation of this embodiment is the same as the above, and will not be repeated here.
  • the touch electrode layer 41 includes at least two touch electrodes 411 distributed in an array.
  • the touch component of the present application may be a self-capacitance touch type, and one of the touch electrodes 411 receives touch signals and transmits them to the corresponding touch chips 43 through the corresponding touch wires 42.
  • the area size of any one of the touch electrodes 411 may be 9 square millimeters to 100 square millimeters.
  • the size of the touch electrode 411 can be set according to a specific product, and is not specifically limited here.
  • the touch electrode layer 41 further includes a touch node 412, and a touch node 412 corresponds to a first groove 24 or/and an electrical connection member 14.
  • the first distance L1 between two adjacent electrical connection members 14 is equal; in the second direction of the display panel 100, two adjacent electrical connection members 14 The second distance L2 of 14 is equal. Please refer to Figure 4 for the specific orientation of the first direction and the second direction.
  • the first distance L1 and the second distance L2 are not equal.
  • the first distance L1 may be 1.4 mm to 1.6 mm
  • the second distance L2 may be 1.3 mm to 1.5 mm.
  • the uniform arrangement of the electrical connection members 14 ensures the normal arrangement of the touch wires 42 and ensures the display panel 100
  • the supporting structure corresponds to the requirement of the spacing of the display panel 100.
  • the application also proposes a display module, which includes the above-mentioned display panel and a polarizer layer and a cover layer on the display panel.
  • the working principle of the display module is the same as or similar to the above-mentioned display panel, and will not be repeated here.
  • This application proposes a display panel and a display module, which include a first substrate, a second substrate disposed opposite to the first substrate; the first substrate includes a first substrate, a driving circuit layer, and a first common An electrode layer and an electrical connection member; the second substrate includes a second substrate and a second common electrode layer.
  • the display panel further includes a touch member composed of a touch electrode layer and touch wires, the touch electrode layer is located between the second substrate and the second common electrode layer, and the touch wires are located on the In the driving circuit layer, the touch electrode layer is electrically connected to the touch wire through the electrical connection member.
  • the touch electrode layer is arranged on the light-exit side of the non-driving layer circuit layer of the display panel and the touch trace is arranged on the driving circuit layer, which reduces the arrangement of metal wires on the light-exit side, reduces the reflectivity of ambient light, and improves The display effect of the panel.

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  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
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Abstract

一种显示面板（100）及显示模组，显示面板（100）包括第一基板（10）和第二基板（20），第一基板（10）包括第一衬底（11）、驱动电路层（12）、第一公共电极层（13）及电连接构件（14）；第二基板（20）包括第二衬底（21）、第二公共电极层（22）。显示面板（100）还包括由触控电极层（41）及触控走线（42）构成的触控构件，触控电极层（41）位于第二衬底（21）与第二公共电极层（22）之间，触控电极层（41）通过电连接构件（14）与触控走线（42）电连接。

Description

显示面板及显示模组 技术领域
本申请涉及显示领域，特别涉及一种显示面板及显示模组。
 背景技术
LCD是一种被广泛应用的平板显示器，主要是通过液晶开关调制背光源光场强度来实现画面显示。
在现有的大尺寸LCD(Liquid crystal displays，液晶显示器)面板中，通常采用VA（vertical alignment，垂直取向）模式进行显示，对于此类面板通常采用外挂式触控（Add-on Touch）以实现大尺寸面板的触控操作。而为了改善模组的厚度，内嵌式触控（In-cell Touch）逐渐在大尺寸LCD面板中应用。
现有的大尺寸面板中的内嵌式触控一般设置在阵列基板内，而为了保证触控的灵敏度，阵列基板被设置为面板的出光侧。但是，由于阵列基板中存在大量的信号走线，导致环境光经过该信号走线时，增加了环境光的反射率，影响了面板的显示效果。
因此，亟需一种显示面板以解决上述技术问题。
 技术问题
本申请提供一种显示面板及显示模组，以解决现有大尺寸面板中背光源经阵列基板反射率较高的技术问题。
 技术解决方案
本申请提供了一种显示面板，其包括第一基板、与所述第一基板相对设置的第二基板、及位于所述第一基板与所述第二基板之间的液晶层；
所述第一基板包括第一衬底、位于所述第一衬底上的驱动电路层、位于所述驱动电路层上的第一公共电极层及电连接构件；
所述第二基板包括第二衬底、位于所述第二衬底上的第二公共电极层；
其中，所述显示面板还包括触控构件，所述触控构件包括位于所述第二衬底与所述第二公共电极层之间的触控电极层、及位于所述驱动电路层的触控走线，所述触控电极层通过所述电连接构件与所述触控走线电连接。
在本申请的显示面板中，所述驱动电路层包括位于所述第一衬底上的栅极层、及位于所述栅极层上的源漏极层；
所述触控走线与所述栅极层、所述源漏极层中的至少一者同层设置。
在本申请的显示面板中，所述驱动电路层还包括位于所述第一衬底与所述栅极层之间的遮光金属层；
所述触控走线与所述栅极层、所述源漏极层、以及所述遮光金属层中的至少一者同层设置。
在本申请的显示面板中，所述第二基板包括至少两个第一凹槽，一所述第一凹槽与一所述电连接构件对应，所述第一凹槽贯穿所述第二公共电极层、所述第二公共电极层与所述触控电极层之间的隔绝层，以使部分所述触控电极层裸露；
其中，所述电连接构件通过所述第一凹槽与所述触控电极层电连接。
在本申请的显示面板中，所述第一凹槽的数量小于或等于所述电连接构件的数量。
在本申请的显示面板中，所述显示面板还包括位于所述第一基板或所述第二基板内的彩膜层；
其中，当所述彩膜层位于所述第二基板内时，所述彩膜层位于所述触控电极层靠近所述第二公共电极层的第一侧或者远离所述第二公共电极的第二侧。
在本申请的显示面板中，所述电连接构件包括第一连接构件，所述第一连接构件为导电材料；
所述触控电极层通过所述第一连接构件与所述驱动电路层中的所述触控走线电连接。
在本申请的显示面板中，所述电连接构件包括第一连接构件和第二连接构件，所述第一连接构件为导电材料，所述第二连接构件为绝缘材料；
其中，所述第二连接构件位于所述第一连接构件表面；或者，所述第二连接构件位于所述第一连接构件内；
所述触控电极层通过所述第二连接构件与所述驱动电路层中的所述触控走线电连接。
在本申请的显示面板中，所述触控电极层包括呈阵列分布的至少两个触控电极，任一所述触控电极的面积大小为9平方毫米~100平方毫米。
在本申请的显示面板中，在所述显示面板的第一方向上，相邻两个所述电连接构件的第一间距相等；在所述显示面板的第二方向上，相邻两个所述电连接构件的第二间距相等；
其中，所述第一间距与所述第二间距不相等。
本申请还提出了一种显示模组，其中，所述显示模组包括显示面板及位于所述显示面板上的偏光片层及盖板层，所述显示面板包括第一基板、与所述第一基板相对设置的第二基板、及位于所述第一基板与所述第二基板之间的液晶层；
所述第一基板包括第一衬底、位于所述第一衬底上的驱动电路层、位于所述驱动电路层上的第一公共电极层及电连接构件；
所述第二基板包括第二衬底、位于所述第二衬底上的第二公共电极层；
其中，所述显示面板还包括触控构件，所述触控构件包括位于所述第二衬底与所述第二公共电极层之间的触控电极层、及位于所述驱动电路层的触控走线，所述触控电极层通过所述电连接构件与所述触控走线电连接。
在本申请的显示模组中，所述驱动电路层包括位于所述第一衬底上的栅极层、及位于所述栅极层上的源漏极层；
所述触控走线与所述栅极层、所述源漏极层中的至少一者同层设置。
在本申请的显示模组中，所述驱动电路层还包括位于所述第一衬底与所述栅极层之间的遮光金属层；
所述触控走线与所述栅极层、所述源漏极层、以及所述遮光金属层中的至少一者同层设置。
在本申请的显示模组中，所述第二基板包括至少两个第一凹槽，一所述第一凹槽与一所述电连接构件对应，所述第一凹槽贯穿所述第二公共电极层、所述第二公共电极层与所述触控电极层之间的隔绝层，以使部分所述触控电极层裸露；
其中，所述电连接构件通过所述第一凹槽与所述触控电极层电连接。
在本申请的显示模组中，
所述第一凹槽的数量小于或等于所述电连接构件的数量。
在本申请的显示模组中，
所述显示面板还包括位于所述第一基板或所述第二基板内的彩膜层；
其中，当所述彩膜层位于所述第二基板内时，所述彩膜层位于所述触控电极层靠近所述第二公共电极层的第一侧或者远离所述第二公共电极的第二侧。
在本申请的显示模组中，
所述电连接构件包括第一连接构件，所述第一连接构件为导电材料；
所述触控电极层通过所述第一连接构件与所述驱动电路层中的所述触控走线电连接。
在本申请的显示模组中，所述电连接构件包括第一连接构件和第二连接构件，所述第一连接构件为导电材料，所述第二连接构件为绝缘材料；
其中，所述第二连接构件位于所述第一连接构件表面；或者，所述第二连接构件位于所述第一连接构件内；
所述触控电极层通过所述第二连接构件与所述驱动电路层中的所述触控走线电连接。
在本申请的显示模组中，所述触控电极层包括呈阵列分布的至少两个触控电极，任一所述触控电极的面积大小为9平方毫米~100平方毫米。
在本申请的显示模组中，在所述显示面板的第一方向上，相邻两个所述电连接构件的第一间距相等；在所述显示面板的第二方向上，相邻两个所述电连接构件的第二间距相等；
其中，所述第一间距与所述第二间距不相等
 有益效果
本申请通过将触控电极层设置在显示面板非驱动层电路层的出光侧以及将触控走线设置在驱动电路层，减少了出光侧金属线的设置，减少了环境光的反射率，提高了面板的显示效果。
 附图说明
图1为本申请显示面板的第一种结构图；
图2为本申请显示面板的第二种结构图；
图3为本申请显示面板的第三种结构图；
图4为本申请显示面板的中触控构件的结构图。
 本发明的实施方式
为使本申请的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本申请进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
现有的大尺寸面板中的内嵌式触控一般设置在阵列基板内，而为了保证触控的灵敏度，阵列基板被设置为面板的出光侧。但是，由于阵列基板中存在大量的信号走线，导致环境光经过该信号走线时，增加了环境光的反射率，影响了面板的显示效果。本申请提出了下列技术方案以解决上述技术问题。
请参阅图1~4，本申请提供了一种显示面板100，其包括第一基板10、与所述第一基板10相对设置的第二基板20、及位于所述第一基板10与所述第二基板20之间的液晶层30；
所述第一基板10包括第一衬底11、位于所述第一衬底11上的驱动电路层12、位于所述驱动电路层12上的第一公共电极层13及电连接构件14；
所述第二基板20包括第二衬底21、位于所述第二衬底21上的第二公共电极层22；
其中，所述显示面板100还包括触控构件，所述触控构件包括位于所述第二衬底21与所述第二公共电极层22之间的触控电极层41、及位于所述驱动电路层12的触控走线42，所述触控电极层41通过所述电连接构件14与所述触控走线42电连接。
本申请通过将触控电极层41设置在显示面板100非驱动层电路层的出光侧以及将触控走线42设置在驱动电路层12，减少了出光侧金属线的设置，减少了环境光的反射率，提高了面板的显示效果
现结合具体实施例对本申请的技术方案进行描述。
请参阅图1，所述第一基板10可以为阵列基板，所述第二基板20可以为彩膜基板。所述第一衬底11及所述第二衬底21可以为刚性衬底或柔性衬底中的一种。当所述第一衬底11及所述第二衬底21为刚性衬底时，所述第一衬底11及所述第二衬底21的材料可以为玻璃、石英等材料制备。当所述第一衬底11及所述第二衬底21为柔性衬底时，所述第一衬底11及所述第二衬底21可以为聚酰亚胺等材料。而在LCD显示面板100中，衬底结构一般均设置为刚性衬底，此处不对其作详细介绍。
所述驱动电路层12包括多个薄膜晶体管。所述薄膜晶体管可以为蚀刻阻挡型、背沟道蚀刻型或顶栅薄膜晶体管型等结构，具体没有限制。例如底栅薄膜晶体管型的所述薄膜晶体管可以包括位于所述第一衬底11上的栅极层103、位于所述栅极层103上的栅绝缘层102、位于所述栅绝缘层102上的有源层101、位于所述有源层101上的源漏极层105、及位于所述源漏极层105上的钝化层106。
在本实施例中，所述第一公共电极通过钝化层106的第一过孔107与所述源漏极层105中的源极/漏极电连接。所述第一公共电极层13也可以被称为像素电极层，用于提供液晶分子偏转的第一电压。
在本实施例中，所述第一公共电极层13的材料可以为ITO。
在本实施例中，所述显示面板100还包括位于所述阵列基板上的支撑构件。
在本实施例中，所述支撑构件包括与第一支撑层与第二支撑层（未画出）。所述第一支撑层的厚度大于所述第二支撑层。所述第一支撑层与所述第二基板20接触。
在本实施例中，所述支撑构件可以由有机材料构成。
在本实施例中，部分所述第一支撑层由所述电连接构件14构成。
在本实施例中，所述显示面板100还包括位于所述第一基板10或所述第二基板20内的彩膜层23。当所述彩膜层23位于所述第二基板20内时，所述彩膜层23位于所述触控电极层41靠近所述第二公共电极层22的第一侧或者远离所述第二公共电极的第二侧。
以常规彩膜基板为例，如图1所示，所述彩膜层23位于所述触控电极层41与所述第二衬底21之间。如图2所示，所述彩膜层23位于所述第二基板20中的隔绝层26与所述第二公共电极之间。
在图~1图2的基础上，如图3所示，所述彩膜层23还可以设置在阵列基板上。本实施例可以避免第一基板10与第二基板20的对位误差，提高了面板的品质。
在本实施例中，所述第一公共电极层13用于提供液晶分子偏转的第二电压。所述第二电压为恒定电压，所述显示面板100通过改变第一电压的大小以改变液晶层30两侧的压差使得液晶分子呈不同角度的偏转。
在本实施例中，所述第二公共电极层22的材料可以为ITO。
请参阅图1~图2，所述第二基板20还包括至少两个第一凹槽24。
在本实施例中，一所述第一凹槽24与一所述电连接构件14对应，所述第一凹槽24贯穿所述第二公共电极层22、所述第二公共电极层22与所述触控电极层41之间的隔绝层26，以使部分所述触控电极层41裸露。所述电连接构件14通过所述第一凹槽24与所述触控电极层41电连接。
在本实施例中，所述第一凹槽24的数量小于或等于所述电连接构件14的数量。
由于所述第二公共电极层22为整面设置，因此在信号传输时，由于电阻电容（RC）的影响，不可避免在部分所述第二公共电极层22会存在电压降，导致面板显示出现一定的异常。部分所述电连接构件14与所述第二公共电极层22直接连接，降低了所述第二公共电极层22整体的阻抗。
或者，所述电连接构件14通过预定的金属线连接恒压电源，进一步保证了所述第二公共电极层22的电压恒定，保证了面板的显示效果。
例如在图1中，所述第一凹槽24贯穿所述第二公共电极层22与所述隔绝层26。例如在图2中，所述第一凹槽24贯穿所述第二公共电极层22、所述隔绝层26、以及所述彩膜层23。所述电连接构件14通过所述第一凹槽24与裸露的所述触控电极层41电连接。
在图1和图2两个实施例中，由于图2中的第一凹槽24所开槽深度较深，在工艺上较为复杂，因此在工艺上图1中的技术方案优于图2中的技术方案。
另外，如图3所示，彩膜层23设置在阵列基板上，所述第一凹槽24的深度与图2中的相同。但是，所述彩膜层23设置在阵列基板上，使得阵列基板的平坦度优于图1和图2的技术方案。因此，在工艺条件允许的条件下，图3的技术方案优于图1和图2的技术方案。
另外，图3中的所述彩膜层23替代了原有的钝化层106，在保证阵列基板表面平坦度的前提下，降低了所述显示面板100的厚度。
请参阅图1，所述电连接构件14包括第一连接构件141，所述触控电极层41通过所述第一连接构件141与所述驱动电路层12中的所述触控走线42电连接。所述第一连接构件141为导电材料。本实施例中的所述第一连接构件141即可以作为所述显示面板100的支撑结构，也可以作为所述触控电极层41的电连接结构。
请参阅图2，所述电连接构件14包括第一连接构件141和第二连接构件142，所述第一连接构件141为导电材料，所述第二连接构件142为绝缘材料。
在本实施例中，所述第二连接构件142位于所述第一连接构件141表面。所述第一连接构件141可以与所述支撑构件在同一道工艺工艺中形成，所述第二连接构件142可以与所述第一公共电极层13在同一道工艺中形成。
请参阅图3，所述第二连接构件142可以位于所述第一连接构件141内，以避免金属层直接与液晶层30接触使得液晶分子失效。在图2和图3中，所述触控电极层41通过所述第二连接构件142与所述驱动电路层12中的所述触控走线42电连接。
在本实施例中，所述电连接构件14可以位于所述显示面板100的非显示区。
在本实施例中，所述电连接构件14通过第二过孔108与触控走线42电连接。
在上述实施例中，图1~图3中的所述电连接结构均可应用于其他结构中，此处不再详细赘述。
在本申请的显示面板100中，所述驱动电路层12包括位于所述第一衬底11上的栅极层103、及位于所述栅极层103上的源漏极层105两层金属层，所述触控走线42与所述栅极层103、所述源漏极层105中的至少一者同层设置。
例如，请参阅图1~3的技术方案，其示出了所述触控走线42与所述源漏极层105同层设置。所述触控走线42与所述源漏极层105中的源极/漏极可以在同一道工艺中形成。其中，当所述触控走线42与栅极层103同层设置时，其需要在经过横向设置的扫描线进行跨线设置。或者，所述触控走线42由两层金属线并列形成，以减小触控走线42的阻抗，提高触控信号的灵敏度。
在上述实施例中，所述驱动电路层12还可以包括位于所述第一衬底11与所述栅极层103之间的遮光金属层（未画出）。所述触控走线42与所述栅极层103、所述源漏极层105、以及所述遮光金属层中的至少一者同层设置。本实施例的具体实施方式与上述相同，此处不再赘述。
请参阅图4，所述触控电极层41包括至少两个呈阵列分布的触控电极411。本申请的所述触控构件可以为自电容触控类型，一所述触控电极411接受触控信号，以及通过对应的触控走线42传输至对应的触控芯片43。
在本实施例中，任一所述触控电极411的面积大小可以为9平方毫米~100平方毫米。所述触控电极411的大小可以根据具体产品进行设置，此处不作具体限定。
请参阅图4，所述触控电极层41还包括触控节点412，一所述触控节点412与一所述第一凹槽24或/和一所述电连接构件14对应。
在所述显示面板100的第一方向上，相邻两个所述电连接构件14的第一间距L1相等；在所述显示面板100的第二方向上，相邻两个所述电连接构件14的第二间距L2相等。所述第一方向及所述第二方向的具体方位请参阅图4.
在本实施例中，所述第一间距L1与所述第二间距L2不相等。
在本实施例中，所述第一间距L1可以为1.4mm~1.6mm，所述第二间距L2可以为1.3mm~1.5mm。
其中，当所述第一间距L1为1.488mm，所述第二间距L2为1.341mm时，电连接构件14的均匀设置，即保证了触控走线42的正常设置，又能保证显示面板100支撑结构的对应显示面板100间距的需求。
本申请还提出了一种显示模组，所述显示模组包括上述显示面板及位于所述显示面板上的偏光片层及盖板层。所述显示模组的工作原理与上述显示面板相同或相似，此处不再赘述。
本申请提出了一种显示面板及显示模组，其包括第一基板、与所述第一基板相对设置的第二基板；所述第一基板包括第一衬底、驱动电路层、第一公共电极层及电连接构件；所述第二基板包括第二衬底、第二公共电极层。所述显示面板还包括由触控电极层及触控走线构成的触控构件，触控电极层位于所述第二衬底与所述第二公共电极层之间，触控走线位于所述驱动电路层的，所述触控电极层通过所述电连接构件与所述触控走线电连接。本申请通过将触控电极层设置在显示面板非驱动层电路层的出光侧以及将触控走线设置在驱动电路层，减少了出光侧金属线的设置，减少了环境光的反射率，提高了面板的显示效果。
可以理解的是，对本领域普通技术人员来说，可以根据本申请的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本申请所附的权利要求的保护范围。

Claims (20)

  1. 一种显示面板，其中，包括第一基板、与所述第一基板相对设置的第二基板、及位于所述第一基板与所述第二基板之间的液晶层；
    所述第一基板包括第一衬底、位于所述第一衬底上的驱动电路层、位于所述驱动电路层上的第一公共电极层及电连接构件；
    所述第二基板包括第二衬底、位于所述第二衬底上的第二公共电极层；
    其中，所述显示面板还包括触控构件，所述触控构件包括位于所述第二衬底与所述第二公共电极层之间的触控电极层、及位于所述驱动电路层的触控走线，所述触控电极层通过所述电连接构件与所述触控走线电连接。
  2. 根据权利要求1所述的显示面板，其中，所述驱动电路层包括位于所述第一衬底上的栅极层、及位于所述栅极层上的源漏极层；
    所述触控走线与所述栅极层、所述源漏极层中的至少一者同层设置。
  3. 根据权利要求2所述的显示面板，其中，所述驱动电路层还包括位于所述第一衬底与所述栅极层之间的遮光金属层；
    所述触控走线与所述栅极层、所述源漏极层、以及所述遮光金属层中的至少一者同层设置。
  4. 根据权利要求1所述的显示面板，其中，
    所述第二基板包括至少两个第一凹槽，一所述第一凹槽与一所述电连接构件对应，所述第一凹槽贯穿所述第二公共电极层、所述第二公共电极层与所述触控电极层之间的隔绝层，以使部分所述触控电极层裸露；
    其中，所述电连接构件通过所述第一凹槽与所述触控电极层电连接。
  5. 根据权利要求4所述的显示面板，其中，
    所述第一凹槽的数量小于或等于所述电连接构件的数量。
  6. 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第一基板或所述第二基板内的彩膜层；
    其中，当所述彩膜层位于所述第二基板内时，所述彩膜层位于所述触控电极层靠近所述第二公共电极层的第一侧或者远离所述第二公共电极的第二侧。
  7. 根据权利要求1所述的显示面板，其中，
    所述电连接构件包括第一连接构件，所述第一连接构件为导电材料；
    所述触控电极层通过所述第一连接构件与所述驱动电路层中的所述触控走线电连接。
  8. 根据权利要求1所述的显示面板，其中，
    所述电连接构件包括第一连接构件和第二连接构件，所述第一连接构件为导电材料，所述第二连接构件为绝缘材料；
    其中，所述第二连接构件位于所述第一连接构件表面；或者，所述第二连接构件位于所述第一连接构件内；
    所述触控电极层通过所述第二连接构件与所述驱动电路层中的所述触控走线电连接。
  9. 根据权利要求1所述的显示面板，其中，
    所述触控电极层包括呈阵列分布的至少两个触控电极，任一所述触控电极的面积大小为9平方毫米~100平方毫米。
  10. 根据权利要求1所述的显示面板，其中，在所述显示面板的第一方向上，相邻两个所述电连接构件的第一间距相等；
    在所述显示面板的第二方向上，相邻两个所述电连接构件的第二间距相等；
    其中，所述第一间距与所述第二间距不相等。
  11. 一种显示模组，其中，所述显示模组包括显示面板及位于所述显示面板上的偏光片层及盖板层，所述显示面板包括第一基板、与所述第一基板相对设置的第二基板、及位于所述第一基板与所述第二基板之间的液晶层；
    所述第一基板包括第一衬底、位于所述第一衬底上的驱动电路层、位于所述驱动电路层上的第一公共电极层及电连接构件；
    所述第二基板包括第二衬底、位于所述第二衬底上的第二公共电极层；
    其中，所述显示面板还包括触控构件，所述触控构件包括位于所述第二衬底与所述第二公共电极层之间的触控电极层、及位于所述驱动电路层的触控走线，所述触控电极层通过所述电连接构件与所述触控走线电连接。
  12. 根据权利要求11所述的显示模组，其中，所述驱动电路层包括位于所述第一衬底上的栅极层、及位于所述栅极层上的源漏极层；
    所述触控走线与所述栅极层、所述源漏极层中的至少一者同层设置。
  13. 根据权利要求12所述的显示模组，其中，所述驱动电路层还包括位于所述第一衬底与所述栅极层之间的遮光金属层；
    所述触控走线与所述栅极层、所述源漏极层、以及所述遮光金属层中的至少一者同层设置。
  14. 根据权利要求11所述的显示模组，其中，
    所述第二基板包括至少两个第一凹槽，一所述第一凹槽与一所述电连接构件对应，所述第一凹槽贯穿所述第二公共电极层、所述第二公共电极层与所述触控电极层之间的隔绝层，以使部分所述触控电极层裸露；
    其中，所述电连接构件通过所述第一凹槽与所述触控电极层电连接。
  15. 根据权利要求14所述的显示模组，其中，
    所述第一凹槽的数量小于或等于所述电连接构件的数量。
  16. 根据权利要求14所述的显示模组，其中，
    所述显示面板还包括位于所述第一基板或所述第二基板内的彩膜层；
    其中，当所述彩膜层位于所述第二基板内时，所述彩膜层位于所述触控电极层靠近所述第二公共电极层的第一侧或者远离所述第二公共电极的第二侧。
  17. 根据权利要求11所述的显示模组，其中，
    所述电连接构件包括第一连接构件，所述第一连接构件为导电材料；
    所述触控电极层通过所述第一连接构件与所述驱动电路层中的所述触控走线电连接。
  18. 根据权利要求11所述的显示模组，其中，
    所述电连接构件包括第一连接构件和第二连接构件，所述第一连接构件为导电材料，所述第二连接构件为绝缘材料；
    其中，所述第二连接构件位于所述第一连接构件表面；或者，所述第二连接构件位于所述第一连接构件内；
    所述触控电极层通过所述第二连接构件与所述驱动电路层中的所述触控走线电连接。
  19. 根据权利要求11所述的显示模组，其中，
    所述触控电极层包括呈阵列分布的至少两个触控电极，任一所述触控电极的面积大小为9平方毫米~100平方毫米。
  20. 根据权利要求11所述的显示模组，其中，在所述显示面板的第一方向上，相邻两个所述电连接构件的第一间距相等；
    在所述显示面板的第二方向上，相邻两个所述电连接构件的第二间距相等；
    其中，所述第一间距与所述第二间距不相等。
PCT/CN2020/083511 2020-03-13 2020-04-07 显示面板及显示模组 WO2021179380A1 (zh)

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