WO2020134006A1 - 液晶显示面板以及显示装置 - Google Patents

液晶显示面板以及显示装置 Download PDF

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Publication number
WO2020134006A1
WO2020134006A1 PCT/CN2019/094356 CN2019094356W WO2020134006A1 WO 2020134006 A1 WO2020134006 A1 WO 2020134006A1 CN 2019094356 W CN2019094356 W CN 2019094356W WO 2020134006 A1 WO2020134006 A1 WO 2020134006A1
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WIPO (PCT)
Prior art keywords
liquid crystal
electrode layer
substrate
common
layer
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Application number
PCT/CN2019/094356
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English (en)
French (fr)
Inventor
宋秀萍
Original Assignee
武汉华星光电技术有限公司
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Application filed by 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to US16/492,130 priority Critical patent/US20200241366A1/en
Publication of WO2020134006A1 publication Critical patent/WO2020134006A1/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
    • 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
    • G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
    • 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
    • G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel

Definitions

  • the present application relates to the field of display technology, in particular to a liquid crystal display panel and a display device.
  • reducing mobile phone power consumption is an important factor currently considered by mobile phone manufacturers.
  • liquid crystal displays Liquid Crystal Display, LCD
  • reducing backlight power consumption has a more significant effect.
  • reducing the backlight power consumption will inevitably reduce the backlight brightness. If the transmittance of the LCD panel remains unchanged, the screen brightness will be reduced.
  • the technical problem mainly solved by the present application is how to reduce the power consumption of the backlight while improving the penetration rate of the liquid crystal display panel, thereby improving the screen brightness.
  • the present application provides a liquid crystal display panel, including: a first substrate and a second substrate that are oppositely disposed, and a liquid crystal layer disposed between the first substrate and the second substrate;
  • a surface of the first substrate facing the liquid crystal layer is provided with a first electrode layer
  • a surface of the second substrate facing the liquid crystal layer is provided with a second electrode layer
  • the first electrode layer and the The second electrode layer is arranged symmetrically with the liquid crystal layer as an axis.
  • the first electrode layer includes a stacked first common electrode layer, a first insulating layer, and a first pixel electrode layer
  • the second electrode layer includes a stacked second common electrode layer, a second insulating layer, and a second Pixel electrode layer;
  • the first pixel electrode layer includes a plurality of first pixel electrodes
  • the second pixel electrode layer includes a plurality of second pixel electrodes, and each of the first pixel electrodes corresponds to one of the second pixel electrodes;
  • the liquid crystal layer includes a plurality of liquid crystal molecules, and the liquid crystal molecules have a certain pretilt angle with respect to the first substrate and the second substrate through a friction alignment process.
  • the orthographic projection of the first pixel electrode on the first substrate coincides with the orthographic projection of the second pixel electrode on the first substrate.
  • the voltage applied to the first common electrode layer is the same as the voltage applied to the second common electrode layer, and the voltage applied to the first pixel electrode layer The same as the voltage applied to the second pixel electrode layer.
  • the orthographic projection of the first common electrode layer on the first substrate coincides with the orthographic projection of the first insulating layer on the first substrate.
  • the orthographic projection of the two common electrode layers on the second substrate coincides with the orthographic projection of the second insulating layer on the second substrate.
  • the first common electrode layer includes a plurality of first common electrodes
  • the second common electrode layer includes a plurality of second common electrodes
  • each of the first common electrodes corresponds to one of the second common electrodes.
  • the orthographic projection of each first common electrode on the first substrate coincides with the orthographic projection of one second common electrode on the first substrate.
  • each of the first pixel electrodes is correspondingly disposed between adjacent first common electrodes, and each of the second pixel electrodes is correspondingly disposed adjacent to the second Between common electrodes.
  • a plurality of the first common electrodes are arranged at intervals, and a plurality of the second common electrodes are arranged at intervals; wherein, each of the first pixel electrodes is correspondingly arranged on the At the interval of the first common electrode, each of the second pixel electrodes is correspondingly disposed at the interval of the second common electrode.
  • the present application provides a liquid crystal display panel, including: a first substrate and a second substrate that are oppositely arranged, and a liquid crystal layer disposed between the first substrate and the second substrate;
  • a surface of the first substrate facing the liquid crystal layer is provided with a first electrode layer
  • a surface of the second substrate facing the liquid crystal layer is provided with a second electrode layer
  • the first electrode layer and the The second electrode layer is arranged symmetrically with the liquid crystal layer as an axis.
  • the first electrode layer includes a stacked first common electrode layer, a first insulating layer, and a first pixel electrode layer
  • the second electrode layer includes a stacked second A common electrode layer, a second insulating layer, and a second pixel electrode layer
  • the first pixel electrode layer includes multiple first pixel electrodes
  • the second pixel electrode layer includes multiple second pixel electrodes
  • each of the first pixel electrodes corresponds to one of the second pixel electrodes.
  • the orthographic projection of the first pixel electrode on the first substrate coincides with the orthographic projection of the second pixel electrode on the first substrate.
  • the voltage applied to the first common electrode layer is the same as the voltage applied to the second common electrode layer, and the voltage applied to the first pixel electrode layer The same as the voltage applied to the second pixel electrode layer.
  • the orthographic projection of the first common electrode layer on the first substrate coincides with the orthographic projection of the first insulating layer on the first substrate.
  • the orthographic projection of the two common electrode layers on the second substrate coincides with the orthographic projection of the second insulating layer on the second substrate.
  • the first common electrode layer includes a plurality of first common electrodes
  • the second common electrode layer includes a plurality of second common electrodes
  • each of the first common electrodes corresponds to one of the second common electrodes.
  • the orthographic projection of each first common electrode on the first substrate coincides with the orthographic projection of one second common electrode on the first substrate.
  • each of the first pixel electrodes is correspondingly disposed between adjacent first common electrodes, and each of the second pixel electrodes is correspondingly disposed adjacent to the second Between common electrodes.
  • a plurality of the first common electrodes are arranged at intervals, and a plurality of the second common electrodes are arranged at intervals; wherein, each of the first pixel electrodes is correspondingly arranged on the At the interval of the first common electrode, each of the second pixel electrodes is correspondingly disposed at the interval of the second common electrode.
  • the present application provides a display device including a liquid crystal display panel
  • the liquid crystal display panel includes: a first substrate and a second substrate disposed oppositely, and a liquid crystal layer disposed between the first substrate and the second substrate;
  • a surface of the first substrate facing the liquid crystal layer is provided with a first electrode layer
  • a surface of the second substrate facing the liquid crystal layer is provided with a second electrode layer
  • the first electrode layer and the The second electrode layer is arranged symmetrically with the liquid crystal layer as an axis.
  • the beneficial effect of the present application is that by providing the first electrode layer on the first substrate and the second electrode layer on the second substrate, the electric field force in the vertical direction of the liquid crystal layer can be cancelled. Therefore, it is possible to increase the transmittance of the liquid crystal display panel while reducing the power consumption of the backlight, thereby improving the screen brightness.
  • FIG. 1 is a schematic structural diagram of a first embodiment of a liquid crystal display panel provided by this application.
  • FIG. 2 is a schematic diagram of deflection of liquid crystal molecules in a liquid crystal display panel provided by this application;
  • FIG. 3 is a schematic structural diagram of an existing liquid crystal display panel
  • FIG. 4 is a schematic structural diagram of a second embodiment of a liquid crystal display panel provided by this application.
  • FIG. 1 is a schematic structural diagram of a first implementation manner of a liquid crystal display panel provided by this application.
  • the present application provides a liquid crystal display panel 1 including a first substrate 10 and a second substrate 20 disposed oppositely, and a liquid crystal layer 30 disposed between the first substrate 10 and the second substrate 20.
  • the first substrate 10 is provided with a first electrode layer 50 on the side facing the liquid crystal layer 30
  • the second substrate 20 is provided with a second electrode layer 60 on the side facing the liquid crystal layer 30
  • the first electrode layer 50 and the second electrode layer 60 is arranged symmetrically with the liquid crystal layer 30 as an axis.
  • a plurality of liquid crystal molecules 301 may be included in the liquid crystal layer 30.
  • the liquid crystal molecules 301 are liquid crystal materials having a deflection alignment characteristic in a specific direction by applying a driving voltage, which achieves different deflection alignments by applying a threshold of the driving voltage.
  • the reactive monomer is a polymerizable monomer, which includes acrylate resin monomer molecules, methacrylate resin monomer molecules, vinyl resin monomer molecules, vinyloxy resin monomer molecules, and epoxy resin monomer molecules One or more of them.
  • the reactive monomer is used to form a polymer on the surface of the substrate by an ultraviolet irradiation process when the driving voltage is applied to adjust the orientation of the liquid crystal molecules 301.
  • liquid crystal layer 30 Even if the voltage application is removed, the liquid crystal layer 30 with the prescribed direction and pretilt angle can be obtained. Of course not limited to this.
  • the liquid crystal molecules 301 may also have a certain pre-tilt angle with respect to the first substrate 10 and the second substrate 20 through a common friction alignment process.
  • the first electrode layer 50 on the first substrate 10 and the second electrode layer 60 on the second substrate 20 By providing the first electrode layer 50 on the first substrate 10 and the second electrode layer 60 on the second substrate 20, when the liquid crystal display panel 1 operates, the first direction provided by the first electrode layer 50 to the liquid crystal layer 30
  • the electric field force of can offset the electric field force of the second direction provided by the second electrode layer 60 to the liquid crystal layer 30, so that the liquid crystal molecules 301 in the liquid crystal layer 30 are deflected in the horizontal direction. Therefore, it is possible to increase the transmittance of the liquid crystal display panel 1 while reducing the power consumption of the backlight, thereby improving the screen brightness.
  • first direction and the first substrate 10 are perpendicular to each other
  • second direction and the second substrate 20 are perpendicular to each other
  • first direction is vertically upward and the second direction is vertical down.
  • the first electrode layer 50 includes a first common electrode layer 501, a first insulating layer 502 and a first pixel electrode layer 503 that are stacked.
  • the second electrode layer 60 includes a second common electrode layer 601, a second insulating layer 602, and a second pixel electrode layer 603 that are stacked.
  • the first pixel electrode layer 503 includes multiple first pixel electrodes 5031
  • the second pixel electrode layer 603 includes multiple second pixel electrodes 6031
  • each first pixel electrode 5031 corresponds to one second pixel electrode 6031.
  • the first common electrode layer 501 is provided on the side facing the liquid crystal layer 30. In the direction from the first substrate 10 to the liquid crystal layer 30, the first insulating layer 502 and the first pixel electrode layer 503 are sequentially disposed on the first common electrode layer 501.
  • the second common electrode layer 601 is provided on the side facing the liquid crystal layer 30. In the direction from the second substrate 20 to the liquid crystal layer 30, the first insulating layer 602 and the first pixel electrode layer 603 are sequentially disposed on the first common electrode layer 601.
  • the first substrate 10 may be an array substrate.
  • the second substrate 20 may be a color filter substrate.
  • a thin film transistor layer 70 may be formed on the first substrate 10.
  • the thin film transistor layer 70 is electrically connected to the first electrode layer 20 to apply a common voltage signal to the first common electrode layer 501 and apply a pixel voltage signal to the first pixel electrode layer 503.
  • the plurality of first pixel electrodes 5031 are arranged at intervals, and the plurality of second pixel electrodes 6031 are arranged at intervals, and each first pixel electrode 5031 corresponds to one second pixel electrode 6031 so that the first pixel electrode 5031 faces the liquid crystal layer 30
  • the supplied electric field force in the first direction cancels the electric field force in the second direction provided by the second pixel electrode 6031 to the liquid crystal layer 30.
  • the orthographic projection of the first pixel electrode 5031 on the first substrate 10 coincides with the orthographic projection of the second pixel electrode 6031 on the first substrate 10.
  • the second electrode layer 60 is provided on the second substrate 20 to cancel the electric field force of the first electrode layer 50 in the vertical direction. Therefore, there is no need to provide a thin film transistor to drive the second electrode layer 60 on the second substrate 20. It is only necessary to provide voltage to the second electrode layer 60 through some metal lines such as signal lines.
  • FIG. 2 is a schematic diagram of the deflection of liquid crystal molecules in the liquid crystal display panel provided by the present application.
  • the liquid crystal molecules 301 in the liquid crystal layer 30 are randomly distributed in the liquid crystal layer 30.
  • the first electrode layer 50 is provided on the first substrate 10 and the second electrode layer 60 is provided on the second substrate 20.
  • the voltage of the first common electrode layer 501 it is possible to set the voltage of the first common electrode layer 501 to be the same as the voltage of the second common electrode layer 601 and the voltage of the first pixel electrode layer 503 to be the same as the voltage of the second pixel electrode layer 603.
  • the voltage applied to the first common electrode layer 501 is the same as the voltage applied to the second common electrode layer 601
  • the voltage applied to the first pixel electrode layer 503 is the same as the voltage applied to The voltage on the second pixel electrode layer 603 is the same.
  • the electric field force received by the liquid crystal molecules 301 is the sum of the horizontal component force of the electric field force provided by the first electrode layer 50 and the horizontal component force of the electric field force provided by the second electrode layer 60. That is, the liquid crystal display panel 1 of the present application can reduce power consumption.
  • FIG. 3 is a schematic structural diagram of an existing LCD panel.
  • a voltage of 10 volts is applied to the first electrode layer 50 on the existing liquid crystal display panel 1 to deflect the liquid crystal molecules 301 of the liquid crystal layer 30 of the existing liquid crystal display panel 1.
  • FIG. 4 is a schematic structural diagram of a second implementation manner of a liquid crystal display panel 1 provided by this application.
  • the present application also provides a liquid crystal display panel 1.
  • the liquid crystal display panel 1 of FIG. 4 differs from the liquid crystal display panel 1 of FIG. 1 in that the first common electrode layer 501 includes a plurality of first common electrodes 5011, and the second common electrode layer 601 includes a plurality of second common electrodes 6011. Each first common electrode 5011 corresponds to a second common electrode 6011.
  • each first common electrode 5011 may be set to be the same as the size of the corresponding second common electrode 6011. That is, in some embodiments of the present application, the orthographic projection of each first common electrode 5011 on the first substrate 10 coincides with the orthographic projection of one second common electrode 6011 on the first substrate 10.
  • the first pixel electrode 503 may be correspondingly disposed between adjacent first common electrodes 501, and the second pixel electrode 603 may be correspondingly disposed between adjacent second common electrodes 601.
  • each first pixel electrode 503 is correspondingly disposed between adjacent first common electrodes 501
  • each second pixel electrode 603 is correspondingly disposed between adjacent second common electrodes 601 .
  • the corresponding arrangement of the first pixel electrode 503 between adjacent first common electrodes 501 means that the orthographic projection of each first pixel electrode 503 on the first substrate 10 is located adjacent to the first common electrode 501 is between orthographic projections on the first substrate 10.
  • the corresponding arrangement of the second pixel electrodes 603 between adjacent second common electrodes 601 means that the orthographic projection of each second pixel electrode 603 on the second substrate 20 is located on the adjacent second common electrode 601 on the second substrate Between 20 orthographic projections.
  • a plurality of first common electrodes 501 may be arranged on the first substrate 10 at intervals, and a plurality of second common electrodes 601 may be spaced apart It is provided on the second substrate 20.
  • the plurality of first common electrodes 501 are arranged at intervals, and the plurality of second common electrodes 601 are arranged at intervals.
  • Each first pixel electrode 503 is correspondingly disposed at the interval of the first common electrode 501, and each second pixel electrode 603 is correspondingly disposed at the interval of the second common electrode 601.
  • a plurality of first common electrodes 501 are provided on the first substrate 10, and a plurality of second common electrodes 601 are provided on the second substrate 20.
  • the first common electrode 501 is in the vertical direction
  • the electric field force on the vertical electrode will cancel the electric field force on the second common electrode 601 in the vertical direction
  • the electric field force on the first pixel electrode 503 in the vertical direction will also be equal to the electric field force on the second pixel electrode 603 in the vertical direction. offset.
  • the purpose of making the electric field force received by each liquid crystal molecule 301 in the liquid crystal layer 30 uniform is achieved. Therefore, it is possible to increase the transmittance of the liquid crystal display panel 1 while reducing the power consumption of the backlight, thereby improving the screen brightness.
  • the present application also provides a display device including a liquid crystal display panel 1.
  • a display device including a liquid crystal display panel 1.
  • the liquid crystal display panel 1 please refer to the previous embodiment, and no more details will be given here.
  • the liquid crystal display panel includes: a first substrate and a second substrate disposed oppositely, and a liquid crystal layer disposed between the first substrate and the second substrate; A surface of the first substrate facing the liquid crystal layer is provided with a first electrode layer, a surface of the second substrate facing the liquid crystal layer is provided with a second electrode layer, the first electrode layer and the second The electrode layer is arranged symmetrically with the liquid crystal layer as an axis.
  • the electric field force in the vertical direction of the liquid crystal layer can be cancelled. Therefore, it is possible to increase the transmittance of the liquid crystal display panel while reducing the power consumption of the backlight, thereby improving the screen brightness.

Abstract

一种液晶显示面板（1）以及显示装置，液晶显示面板（1）包括：相对设置的第一基板（10）和第二基板（20），以及设置在第一基板（10）和第二基板（20）之间的液晶层（30）；其中，第一基板（10）朝向液晶层（30）的一面上设置有第一电极层（50），第二基板（20）朝向液晶层（30）的一面上设置有第二电极层（60），第一电极层（50）与第二电极层（60）以液晶层（30）为轴对称设置。

Description

液晶显示面板以及显示装置 技术领域
本申请涉及显示技术领域，具体涉及一种液晶显示面板以及显示装置。
 背景技术
随着智能手机屏幕变大，降低手机功耗是目前手机厂商考量的重要因素。对于液晶显示器（Liquid Crystal Display，LCD）而言，降低背光功耗有较为显著的效果。但是，降低背光功耗，势必会降低背光亮度，如果液晶显示面板的穿透率不变的话，就会降低屏幕亮度。
 技术问题
本申请主要解决的技术问题，如何能够在降低背光功耗的同时提高液晶显示面板的穿透率，从而提高屏幕亮度。
 技术解决方案
第一方面，本申请提供了一液晶显示面板，包括：相对设置的第一基板和第二基板，以及设置在所述第一基板和第二基板之间的液晶层；
其中，所述第一基板朝向所述液晶层的一面上设置有第一电极层，所述第二基板朝向所述液晶层的一面上设置有第二电极层，所述第一电极层与所述第二电极层以所述液晶层为轴对称设置。
所述第一电极层包括层叠设置的第一公共电极层、第一绝缘层以及第一像素电极层，所述第二电极层包括层叠设置的第二公共电极层、第二绝缘层以及第二像素电极层；
所述第一像素电极层包括多个第一像素电极，所述第二像素电极层包括多个第二像素电极，每个所述第一像素电极均对应一个所述第二像素电极；
所述液晶层包括多个液晶分子，所述液晶分子通过摩擦配向工艺使所述液晶分子相对于所述第一基板和所述第二基板具有一定的预倾角。
在本申请所提供的液晶显示面板中，所述第一像素电极在所述第一基板上的正投影与所述第二像素电极在所述第一基板上的正投影重合。
在本申请所提供的液晶显示面板中，施加在所述第一公共电极层上的电压与施加在所述第二公共电极层上的电压相同，施加在所述第一像素电极层上的电压与施加在所述第二像素电极层上的电压相同。
在本申请所提供的液晶显示面板中，所述第一公共电极层在所述第一基板上的正投影与所述第一绝缘层在所述第一基板上的正投影重合，所述第二公共电极层在所述第二基板上的正投影与所述第二绝缘层在所述第二基板上的正投影重合。
在本申请所提供的液晶显示面板中，所述第一公共电极层包括多个第一公共电极，所述第二公共电极层包括多个第二公共电极；
其中，每个所述第一公共电极均对应一个所述第二公共电极。
在本申请所提供的液晶显示面板中，每个所述第一公共电极在所述第一基板上的正投影均与一个所述第二公共电极在所述第一基板上的正投影重合。
在本申请所提供的液晶显示面板中，每个所述第一像素电极对应设置在相邻所述第一公共电极之间，每个所述第二像素电极对应设置在相邻所述第二公共电极之间。
在本申请所提供的液晶显示面板中，多个所述第一公共电极间隔排布，多个所述第二公共电极间隔排布；其中，每一所述第一像素电极对应设置在所述第一公共电极的间隔处，每一所述第二像素电极对应设置在所述第二公共电极的间隔处。
第二方面，本申请提供了一液晶显示面板，包括：相对设置的第一基板和第二基板，以及设置在所述第一基板和第二基板之间的液晶层；
其中，所述第一基板朝向所述液晶层的一面上设置有第一电极层，所述第二基板朝向所述液晶层的一面上设置有第二电极层，所述第一电极层与所述第二电极层以所述液晶层为轴对称设置。
在本申请所提供的液晶显示面板中，所述第一电极层包括层叠设置的第一公共电极层、第一绝缘层以及第一像素电极层，所述第二电极层包括层叠设置的第二公共电极层、第二绝缘层以及第二像素电极层；
其中，所述第一像素电极层包括多个第一像素电极，所述第二像素电极层包括多个第二像素电极，每个所述第一像素电极均对应一个所述第二像素电极。
在本申请所提供的液晶显示面板中，所述第一像素电极在所述第一基板上的正投影与所述第二像素电极在所述第一基板上的正投影重合。
在本申请所提供的液晶显示面板中，施加在所述第一公共电极层上的电压与施加在所述第二公共电极层上的电压相同，施加在所述第一像素电极层上的电压与施加在所述第二像素电极层上的电压相同。
在本申请所提供的液晶显示面板中，所述第一公共电极层在所述第一基板上的正投影与所述第一绝缘层在所述第一基板上的正投影重合，所述第二公共电极层在所述第二基板上的正投影与所述第二绝缘层在所述第二基板上的正投影重合。
在本申请所提供的液晶显示面板中，所述第一公共电极层包括多个第一公共电极，所述第二公共电极层包括多个第二公共电极；
其中，每个所述第一公共电极均对应一个所述第二公共电极。
在本申请所提供的液晶显示面板中，每个所述第一公共电极在所述第一基板上的正投影均与一个所述第二公共电极在所述第一基板上的正投影重合。
在本申请所提供的液晶显示面板中，每个所述第一像素电极对应设置在相邻所述第一公共电极之间，每个所述第二像素电极对应设置在相邻所述第二公共电极之间。
在本申请所提供的液晶显示面板中，多个所述第一公共电极间隔排布，多个所述第二公共电极间隔排布；其中，每一所述第一像素电极对应设置在所述第一公共电极的间隔处，每一所述第二像素电极对应设置在所述第二公共电极的间隔处。
第三方面，本申请提供一种显示装置，包括液晶显示面板；
所述液晶显示面板包括：相对设置的第一基板和第二基板，以及设置在所述第一基板和第二基板之间的液晶层；
其中，所述第一基板朝向所述液晶层的一面上设置有第一电极层，所述第二基板朝向所述液晶层的一面上设置有第二电极层，所述第一电极层与所述第二电极层以所述液晶层为轴对称设置。
 有益效果
本申请的有益效果是：通过在第一基板上设置第一电极层以及在第二基板上设置第二电极层，可以抵消液晶层竖直方向上的电场力。因此，能够在降低背光功耗的同时提高液晶显示面板的穿透率，从而提高屏幕亮度。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请提供的液晶显示面板的第一种实施方式的结构示意图；
图2为本申请提供的液晶显示面板中液晶分子偏转的示意图；
图3为现有的液晶显示面板的结构示意图；
图4为本申请提供的液晶显示面板的第二种实施方式的结构示意图。
 本发明的实施方式
下面详细描述本申请的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
请参阅图1，图1为本申请提供的液晶显示面板的第一种实施方式的结构示意图。
本申请提供一种液晶显示面板1，包括相对设置的第一基板10和第二基板20，以及设置在第一基板10和第二基板20之间的液晶层30。其中，第一基板10朝向液晶层30的一面上设置有第一电极层50，第二基板20朝向液晶层30的一面上设置有第二电极层60，第一电极层50与第二电极层60以液晶层30为轴对称设置。
液晶层30内可以包括多个液晶分子301，液晶分子301为具有通过施加驱动电压即在特定方向上发生偏转取向特性的液晶材料，其通过施加的驱动电压的阈值以实现不同的偏转取向。反应单体为聚合性单体，其包括丙烯酸酯类树脂单体分子、甲基丙烯酸酯类树脂单体分子、乙烯基树脂单体分子、乙烯氧基树脂单体分子以及环氧树脂单体分子中的一种或多种。反应单体用于当施加驱动电压调整液晶分子301的取向时通过紫外光照工艺在基板的表面形成高分子聚合物，即使去掉电压施加，也可以得到规定了指向方向及预倾角的液晶层30。当然并不以此为限。液晶分子301也可以通过普通的摩擦配向工艺使液晶分子301相对于第一基板10和第二基板20具有一定的预倾角。
通过在第一基板10上设置第一电极层50，以及在第二基板20上设置第二电极层60，当液晶显示面板1工作时，第一电极层50向液晶层30提供的第一方向的电场力可以与第二电极层60向液晶层30提供的第二方向的电场力抵消，从而使得液晶层30中的液晶分子301沿水平方向发生偏转。因此，能够在降低背光功耗的同时提高液晶显示面板1的穿透率，从而提高屏幕亮度。
需要说明的是，在本申请的实施方式中，第一方向与第一基板10相互垂直，第二方向与第二基板20相互垂直，且第一方向为竖直向上，第二方向为竖直向下。
请继续参阅图1，第一电极层50包括层叠设置的第一公共电极层501、第一绝缘层502以及第一像素电极层503。第二电极层60包括层叠设置的第二公共电极层601、第二绝缘层602以及第二像素电极层603。其中，第一像素电极层503包括多个第一像素电极5031，第二像素电极层603包括多个第二像素电极6031，每个第一像素电极5031均对应一个第二像素电极6031。
第一公共电极层501设置在朝向液晶层30的一面上。在第一基板10到液晶层30的方向上，第一绝缘层502和第一像素电极层503依次设置在第一公共电极层501上。第二公共电极层601设置在朝向液晶层30的一面上。在第二基板20到液晶层30的方向上，第一绝缘层602和第一像素电极层603依次设置在第一公共电极层601上。
该第一基板10可以为阵列基板。第二基板20可以为彩膜基板。在第一基板10上可以形成有薄膜晶体管层70。该薄膜晶体管层70与第一电极层20电性连接，以向第一公共电极层501施加公共电压信号，并且向第一像素电极层503施加像素电压信号。
多个第一像素电极5031间隔排布，多个第二像素电极6031间隔排布，且每一个第一像素电极5031均对应一个第二像素电极6031，以使得第一像素电极5031向液晶层30提供的第一方向的电场力与第二像素电极6031向液晶层30提供的第二方向的电场力抵消。
在本申请的一些实施方式中，第一像素电极5031在第一基板10上的正投影与第二像素电极6031在第一基板10上的正投影重合。
另外，需要说明是的，在第二基板20上设置第二电极层60是为了抵消第一电极层50在竖直方向上的电场力。因此，不需要在第二基板20上设置薄膜晶体管驱动第二电极层60。只需要通过一些金属线如信号线为第二电极层60提供电压即可。
请参阅图2，图2为本申请提供的液晶显示面板中液晶分子偏转的示意图。当液晶显示面板1不工作时，液晶层30中的液晶分子301杂乱的分布在液晶层30中。当液晶显示面板1工作时，由于在第一基板10上设置有第一电极层50，并且在第二基板20上设置有第二电极层60。为了使得第一电极层50向液晶层30提供的第一方向的电场力可以与第二电极层60向液晶层30提供的第二方向的电场力抵消。因此，可以将第一公共电极层501的电压设置为与第二公共电极层601的电压相同，并将第一像素电极层503的电压设置为与第二像素电极层603的电压相同。
即，在本申请的一些实施方式中，施加在第一公共电极层501上的电压与施加在第二公共电极层601上的电压相同，施加在第一像素电极层503上的电压与施加在第二像素电极层603上的电压相同。
另外，在水平方向上，液晶分子301受到的电场力为第一电极层50提供的电场力的水平分力和第二电极层60提供电场力的水平分力之和。也就是说，本申请的液晶显示面板1可以减小功耗。
请继续参阅图1以及图2，并结合参阅图3，图3为现有的液晶显示面板的结构示意图。
比如，在现有的液晶显示面板1上的第一电极层50施加10伏的电压，以使得现有的液晶显示面板1的液晶层30的液晶分子301发生偏转。而在本申请的液晶显示面板1中，仅需分别向第一电极层50和第二电极层60施加5伏的电压，即可使得液晶显示面板1的液晶层30的液晶分子301发生偏转。因此，本申请的液晶显示面板1减小了功耗。
请参阅图4，图4为本申请提供的液晶显示面板1的第二种实施方式的结构示意图。本申请还提供一种液晶显示面板1。图4的液晶显示面板1与图1的液晶显示面板1的区别在于：第一公共电极层501包括多个第一公共电极5011，第二公共电极层601包括多个第二公共电极6011。每个第一公共电极5011均对应一个第二公共电极6011。
为了使得液晶层30中的液晶分子301竖直方向上受到的电场力为零，因此，可以将每个第一公共电极5011的尺寸设置成与其对应的第二公共电极6011的尺寸一样。即，在本申请的一些实施方式中，每个第一公共电极5011在第一基板10上的正投影均与一个第二公共电极6011在第一基板10上的正投影重合。
另外，为使得液晶层30中每一个液晶分子301受到的电场力均一致。因此，可以将第一像素电极503对应设置在相邻第一公共电极501之间，并将第二像素电极603对应设置在相邻第二公共电极601之间。
即，在本申请的一些实施方式中，每个第一像素电极503对应设置在相邻第一公共电极501之间，每个第二像素电极603对应设置在相邻第二公共电极601之间。需要说明的是，将第一像素电极503对应设置在相邻第一公共电极501之间指的是：每个第一像素电极503在第一基板10上的正投影位于相邻第一公共电极501在第一基板10上的正投影之间。将第二像素电极603对应设置在相邻第二公共电极601之间指的是：每个第二像素电极603在第二基板20上的正投影位于相邻第二公共电极601在第二基板20上的正投影之间。
为了进一步达到使液晶层30中每一个液晶分子301受到的电场力均一致的目的，可以将多个第一公共电极501间隔设置在第一基板10上，并将多个第二公共电极601间隔设置在第二基板20上。请继续参阅图4，多个第一公共电极501间隔排布，多个第二公共电极601间隔排布。每一第一像素电极503对应设置在第一公共电极501的间隔处，每一第二像素电极603对应设置在第二公共电极601的间隔处。
将多个第一公共电极501设置在第一基板10上，并将多个第二公共电极601设置在第二基板20上，当液晶显示面板1工作时，第一公共电极501在竖直方向上的电场力会与第二公共电极601在竖直方向上的电场力抵消，并且第一像素电极503在竖直方向上的电场力也会与第二像素电极603在竖直方向上的电场力抵消。达到了使液晶层30中每一个液晶分子301受到的电场力均一致的目的。因此，能够在降低背光功耗的同时提高液晶显示面板1的穿透率，从而提高屏幕亮度。
本申请还提供一种显示装置，该显示装置包括液晶显示面板1。液晶显示面板1的具体结构请参阅前面实施例，在此不再赘述。
本申请提供的液晶显示面板以及显示装置，所述液晶显示面板包括：相对设置的第一基板和第二基板，以及设置在所述第一基板和第二基板之间的液晶层；其中，所述第一基板朝向所述液晶层的一面上设置有第一电极层，所述第二基板朝向所述液晶层的一面上设置有第二电极层，所述第一电极层与所述第二电极层以所述液晶层为轴对称设置。本申请通过在第一基板上设置第一电极层以及在第二基板上设置第二电极层，可以抵消液晶层竖直方向上的电场力。因此，能够在降低背光功耗的同时提高液晶显示面板的穿透率，从而提高屏幕亮度。
以上对本申请实施例提供的液晶显示面板以及显示装置进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请。同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种液晶显示面板，其包括：相对设置的第一基板和第二基板，以及设置在所述第一基板和第二基板之间的液晶层；
    其中，所述第一基板朝向所述液晶层的一面上设置有第一电极层，所述第二基板朝向所述液晶层的一面上设置有第二电极层，所述第一电极层与所述第二电极层以所述液晶层为轴对称设置。
    所述第一电极层包括层叠设置的第一公共电极层、第一绝缘层以及第一像素电极层，所述第二电极层包括层叠设置的第二公共电极层、第二绝缘层以及第二像素电极层；
    所述第一像素电极层包括多个第一像素电极，所述第二像素电极层包括多个第二像素电极，每个所述第一像素电极均对应一个所述第二像素电极；
    所述液晶层包括多个液晶分子，所述液晶分子通过摩擦配向工艺使所述液晶分子相对于所述第一基板和所述第二基板具有一定的预倾角。
  2. 根据权利要求1所述的液晶显示面板，其中，所述第一像素电极在所述第一基板上的正投影与所述第二像素电极在所述第一基板上的正投影重合。
  3. 根据权利要求2所述的液晶显示面板，其中，施加在所述第一公共电极层上的电压与施加在所述第二公共电极层上的电压相同，施加在所述第一像素电极层上的电压与施加在所述第二像素电极层上的电压相同。
  4. 根据权利要求1所述的液晶显示面板，其中，所述第一公共电极层在所述第一基板上的正投影与所述第一绝缘层在所述第一基板上的正投影重合，所述第二公共电极层在所述第二基板上的正投影与所述第二绝缘层在所述第二基板上的正投影重合。
  5. 根据权利要求1所述的液晶显示面板，其中，所述第一公共电极层包括多个第一公共电极，所述第二公共电极层包括多个第二公共电极；
    其中，每个所述第一公共电极均对应一个所述第二公共电极。
  6. 根据权利要求5所述的液晶显示面板，其中，每个所述第一公共电极在所述第一基板上的正投影均与一个所述第二公共电极在所述第一基板上的正投影重合。
  7. 根据权利要求6所述的液晶显示面板，其中，每个所述第一像素电极对应设置在相邻所述第一公共电极之间，每个所述第二像素电极对应设置在相邻所述第二公共电极之间。
  8. 根据权利要求7所述的液晶显示面板，其中，多个所述第一公共电极间隔排布，多个所述第二公共电极间隔排布；其中，每一所述第一像素电极对应设置在所述第一公共电极的间隔处，每一所述第二像素电极对应设置在所述第二公共电极的间隔处。
  9. 一种液晶显示面板，其包括：相对设置的第一基板和第二基板，以及设置在所述第一基板和第二基板之间的液晶层；
    其中，所述第一基板朝向所述液晶层的一面上设置有第一电极层，所述第二基板朝向所述液晶层的一面上设置有第二电极层，所述第一电极层与所述第二电极层以所述液晶层为轴对称设置。
  10. 根据权利要求9所述的液晶显示面板，其中，所述第一电极层包括层叠设置的第一公共电极层、第一绝缘层以及第一像素电极层，所述第二电极层包括层叠设置的第二公共电极层、第二绝缘层以及第二像素电极层；
    所述第一像素电极层包括多个第一像素电极，所述第二像素电极层包括多个第二像素电极，每个所述第一像素电极均对应一个所述第二像素电极。
  11. 根据权利要求10所述的液晶显示面板，其中，所述第一像素电极在所述第一基板上的正投影与所述第二像素电极在所述第一基板上的正投影重合。
  12. 根据权利要求11所述的液晶显示面板，其中，施加在所述第一公共电极层上的电压与施加在所述第二公共电极层上的电压相同，施加在所述第一像素电极层上的电压与施加在所述第二像素电极层上的电压相同。
  13. 根据权利要求10所述的液晶显示面板，其中，所述第一公共电极层在所述第一基板上的正投影与所述第一绝缘层在所述第一基板上的正投影重合，所述第二公共电极层在所述第二基板上的正投影与所述第二绝缘层在所述第二基板上的正投影重合。
  14. 根据权利要求10所述的液晶显示面板，其中，所述第一公共电极层包括多个第一公共电极，所述第二公共电极层包括多个第二公共电极；
    其中，每个所述第一公共电极均对应一个所述第二公共电极。
  15. 根据权利要求14所述的液晶显示面板，其中，每个所述第一公共电极在所述第一基板上的正投影均与一个所述第二公共电极在所述第一基板上的正投影重合。
  16. 根据权利要求15所述的液晶显示面板，其中，每个所述第一像素电极对应设置在相邻所述第一公共电极之间，每个所述第二像素电极对应设置在相邻所述第二公共电极之间。
  17. 根据权利要求16所述的液晶显示面板，其中，多个所述第一公共电极间隔排布，多个所述第二公共电极间隔排布；其中，每一所述第一像素电极对应设置在所述第一公共电极的间隔处，每一所述第二像素电极对应设置在所述第二公共电极的间隔处。
  18. 一种显示装置，其包括液晶显示面板；
    所述液晶显示面板包括：相对设置的第一基板和第二基板，以及设置在所述第一基板和第二基板之间的液晶层；
    其中，所述第一基板朝向所述液晶层的一面上设置有第一电极层，所述第二基板朝向所述液晶层的一面上设置有第二电极层，所述第一电极层与所述第二电极层以所述液晶层为轴对称设置。
  19. 根据权利要求18所述的显示装置，其中，所述第一电极层包括层叠设置的第一公共电极层、第一绝缘层以及第一像素电极层，所述第二电极层包括层叠设置的第二公共电极层、第二绝缘层以及第二像素电极层；
    所述第一像素电极层包括多个第一像素电极，所述第二像素电极层包括多个第二像素电极，每个所述第一像素电极均对应一个所述第二像素电极。
  20. 根据权利要求19所述的显示装置，其中，所述第一像素电极在所述第一基板上的正投影与所述第二像素电极在所述第一基板上的正投影重合。
PCT/CN2019/094356 2018-12-29 2019-07-02 液晶显示面板以及显示装置 WO2020134006A1 (zh)

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CN110244478B (zh) * 2019-06-17 2022-04-26 京东方科技集团股份有限公司 显示方向控制面板和控制方法、显示装置
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