WO2018113061A1 - 阵列基板、彩膜基板及液晶面板 - Google Patents

阵列基板、彩膜基板及液晶面板 Download PDF

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Publication number
WO2018113061A1
WO2018113061A1 PCT/CN2017/071328 CN2017071328W WO2018113061A1 WO 2018113061 A1 WO2018113061 A1 WO 2018113061A1 CN 2017071328 W CN2017071328 W CN 2017071328W WO 2018113061 A1 WO2018113061 A1 WO 2018113061A1
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Prior art keywords
liquid crystal
substrate
disposed
layer
crystal panel
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PCT/CN2017/071328
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English (en)
French (fr)
Inventor
宋彦君
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深圳市华星光电技术有限公司
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Priority to US15/502,576 priority Critical patent/US20180210295A1/en
Publication of WO2018113061A1 publication Critical patent/WO2018113061A1/zh

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    • 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
    • G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • 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
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    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
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    • 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
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    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133345—Insulating layers
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    • 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
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    • 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
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    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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    • 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
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    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • 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
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • 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
    • G02F1/133357—Planarisation layers
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133742—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homeotropic alignment
    • 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
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    • G02F1/1343—Electrodes
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    • G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
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Definitions

  • the invention belongs to the technical field of liquid crystal display, and in particular to an array substrate, a color film substrate and a liquid crystal panel.
  • LCDs liquid crystal displays
  • the liquid crystal display usually includes a liquid crystal panel and a backlight module which are oppositely arranged. Since the liquid crystal panel cannot emit light, the backlight module is required to provide uniform light to the liquid crystal panel to display the image on the liquid crystal panel.
  • the common LCD panel display modes mainly include TN (Twisted Nematic) mode, VA (Vertical Alignment) mode, and IPS (In-Plane Switching) mode.
  • the VA display mode refers to a display mode in which liquid crystal molecules are vertically aligned with the substrate.
  • the liquid crystal panel of the VA display mode has the advantages of high contrast and high transmittance of the screen display, but the viewing angle is poor.
  • the IPS display mode refers to a display mode in which liquid crystal molecules are horizontally arranged.
  • the liquid crystal panel of the IPS display mode has a fast response speed and a wide viewing angle.
  • an array substrate for a liquid crystal panel comprising: a substrate; a plurality of thin film transistors arranged on the substrate; a flat layer disposed on the substrate and Covering the plurality of thin film transistors; a plurality of first common electrodes and a plurality of pixel electrodes, the first common electrode and the pixel electrodes being alternately disposed on the flat layer, the first common electrode and the The pixel electrodes are electrically insulated from each other; a first alignment film layer is disposed on the first common electrode and the pixel electrode, and the first alignment film layer is an alignment film layer capable of achieving vertical light alignment.
  • the array substrate further includes: a plurality of insulators, each insulator being disposed between the corresponding pixel electrode and the planar layer, each first common electrode being located in its corresponding two adjacent insulators between.
  • the insulator and/or the first common electrode and/or the pixel electrode have a strip shape.
  • the thin film transistor includes: a gate disposed on the substrate, a gate insulating layer disposed on the gate, an active layer disposed on the gate insulating layer, And a source and a drain disposed on the active layer; wherein a pixel electrode located above each of the thin film transistors penetrates through its corresponding insulator and the planar layer to be in contact with the drain.
  • a color film substrate for a liquid crystal panel comprising: a substrate; a black matrix disposed on the substrate and defining a plurality of pixel regions; and a plurality of color photoresists a block disposed on the substrate, each color photoresist block being located in a corresponding pixel region thereof; an insulating layer disposed on the black matrix and the plurality of color photoresist blocks; and a second common electrode
  • the second alignment film layer is disposed on the second common electrode, and the second alignment film layer is an alignment film layer capable of achieving vertical light alignment.
  • the color light blocking block is a red light blocking block or a green light blocking block or a blue light blocking block
  • the plurality of color light blocking blocks comprise a red light blocking block, a green light blocking block and a blue light blocking block.
  • a liquid crystal panel includes: the array substrate; the color filter substrate disposed on the array substrate; and a liquid crystal layer disposed on the array substrate and the substrate Between the color film substrates.
  • the alignment mode of the liquid crystal molecules in the liquid crystal layer is: ultraviolet light exposure of the first alignment film layer and the second alignment film layer by ultraviolet rays having a wavelength of 200 nm to 500 nm, respectively, to make the liquid crystal molecules A pre-deflection of a predetermined angle is formed.
  • a pre-deflection direction of the liquid crystal molecules of the liquid crystal layer close to the first alignment film layer is anti-parallel to a pre-deflection direction of the liquid crystal molecules of the liquid crystal layer close to the second alignment film layer.
  • the liquid crystal panel further includes: a spacer disposed between the color filter substrate and the array substrate, wherein the spacer is configured to maintain a spacing between the color filter substrate and the array substrate .
  • the liquid crystal panel by combining the characteristics of the VA display mode and the IPS display mode, the liquid crystal panel has the advantages of high contrast and high transmittance of the screen display, and also has the characteristics of fast response speed and wide viewing angle.
  • FIG. 1 is a schematic structural view of a liquid crystal panel according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a liquid crystal display according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a liquid crystal panel according to an embodiment of the present invention.
  • a liquid crystal panel 1000 includes a color filter substrate (or CF substrate) 100, an array substrate (or Array substrate) 200, a spacer 300, and a liquid crystal layer 400.
  • the color filter substrate 100 and the array substrate 200 are provided to the cartridge.
  • the liquid crystal layer 400 is disposed between the color filter substrate 100 and the array substrate 200, and the liquid crystal layer 400 includes a plurality of positive liquid crystal molecules.
  • a spacer 300 is provided between the color filter substrate 100 and the array substrate 200 to maintain a separation distance between the color filter substrate 100 and the array substrate 200.
  • the color filter substrate 100 includes a first substrate 110, a black matrix 120, a plurality of color photoresist blocks 130, an insulating layer 140, a first common electrode 150, and a first alignment film layer 160.
  • the first substrate 110 may be, for example, a transparent glass substrate or a resin substrate, but the present invention is not limited thereto.
  • the black matrix 120 is disposed over the first substrate 110 and defines a plurality of pixel regions PX. These pixel regions PX are arranged in an array.
  • a plurality of color resist blocks 130 are disposed on the first substrate 110, and one color resist block 130 is located in the corresponding one of the pixel regions PX.
  • the color block block 130 is a red block or a green block or a blue block, but the invention is not limited thereto, and the color block 130 can be any suitable color of light.
  • the plurality of colored photoresist blocks 130 include a red photoresist block, a green photoresist block, and a blue photoresist block.
  • the red photoresist block, the green photoresist block, and the blue photoresist block are arranged as a photo resistor block unit array.
  • the insulating layer 140 is disposed on the black matrix 120 and the plurality of colored photoresist blocks 130.
  • the insulating layer 160 may be formed of an inorganic insulating material or an organic insulating material.
  • the first common electrode 150 is disposed over the insulating layer 140.
  • the first common electrode 150 may be formed of, for example, indium tin oxide (ITO), but the present invention is not limited thereto.
  • the first alignment film layer 160 is disposed over the first common electrode 150.
  • the array substrate 200 includes a second substrate 210, a plurality of thin film transistors 220, a flat layer 230, a plurality of second common electrodes 240, a plurality of pixel electrodes 250, a plurality of insulators 260, and a second alignment film layer 270.
  • the second substrate 210 may be, for example, a transparent glass substrate or a resin substrate, but the present invention is not limited thereto.
  • a plurality of thin film transistors 220 are arranged in an array above the second substrate 210.
  • One of the thin film transistors 220 corresponds to one pixel area PX.
  • the thin film transistor 220 includes a gate electrode 221 disposed on the second substrate 210, a gate insulating layer 222 disposed on the gate electrode 221, and a gate insulating layer 222 disposed on the gate insulating layer 222.
  • the active layer 223 and the source 224 and the drain 225 are disposed on the active layer 223. It should be noted that the structure of the thin film transistor 220 is not limited to the one described herein, and it may be a thin film transistor of other suitable structure.
  • the flat layer 230 is disposed over the second substrate 210 and covers the plurality of thin film transistors 220.
  • the second common electrode 240 and the pixel electrode 250 are alternately disposed on the flat layer 230, and the second common electrode 240 and the pixel electrode 250 are electrically insulated from each other.
  • the present embodiment is disposed on the flat layer 230 by using a plurality of insulators 260, and each pixel electrode 250 is disposed on a corresponding one of the insulators 260, and each of the second common electrodes 240 is disposed on the corresponding two. Adjacent insulator 260.
  • the second common electrode 240 and the pixel electrode 250 may be alternately disposed on the flat layer 230 by any other suitable method, and the second common electrode 240 and the pixel electrode 250 are electrically insulated from each other.
  • the second common electrode 240 may be formed of, for example, indium tin oxide (ITO), but the present invention is not limited thereto.
  • the pixel electrode 250 may be formed of, for example, indium tin oxide (ITO), but the present invention is not limited thereto.
  • the second common electrode 240 and/or the pixel electrode 250 and/or the insulator 260 have a strip shape, but the present invention is not limited thereto.
  • the plurality of pixel electrodes 250 corresponding to one pixel region PX are connected together, and the plurality of pixel electrodes 250 corresponding to the adjacent two pixel regions PX are electrically insulated from each other.
  • the plurality of second common electrodes 240 of the array substrate 200 are connected together.
  • the pixel electrode 250 located above each of the thin film transistors 220 penetrates through its corresponding insulator 260 and flat layer 230 to be in contact with the drain electrode 225.
  • the spacer 300 is disposed opposite to the black matrix 120 and the thin film transistor 220.
  • the first alignment film layer and the second alignment film layer are respectively exposed to ultraviolet light by using ultraviolet rays having a wavelength of 200 nm to 500 nm, so that the liquid crystal molecules form a predetermined angle.
  • Pre-deflection ie, the liquid crystal molecules have a tilt angle of a predetermined angle.
  • the pre-deflection direction of the liquid crystal molecules of the liquid crystal layer 400 close to the first alignment film layer 160 is parallel and opposite (or anti-parallel) to the pre-deflection direction of the liquid crystal molecules of the liquid crystal layer 400 close to the second alignment film layer 270.
  • the liquid crystal molecules in the liquid crystal layer 400 are in a nearly vertical state with the first substrate 110 and the second substrate 210, and when voltage is applied to the color filter substrate 100 and the array substrate 200.
  • the liquid crystal molecules in the liquid crystal layer 400 are poured so as to be horizontal with the first substrate 110 and the second substrate 210.
  • the liquid crystal panel of the present embodiment has the advantages of high contrast and high transmittance of the screen display, and also has the characteristics of fast response speed and wide viewing angle.
  • FIG. 2 is a schematic structural view of a liquid crystal display according to an embodiment of the present invention.
  • a liquid crystal display includes: a liquid crystal panel 1000 and a backlight module 2000 shown in FIG. 1.
  • the backlight module 2000 is disposed on a side of the array substrate 200 of the liquid crystal panel 1000 facing away from the color filter substrate 100, so that the light emitted by the backlight module 2000 sequentially passes through the array substrate 200 and the color filter substrate 100, thereby displaying an image.

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Abstract

提供了一种用于液晶面板（1000）的阵列基板（200），包括：基板（210）；多个薄膜晶体管（220），阵列排布于基板（210）之上；平坦层（230），设置于基板（210）之上且覆盖多个薄膜晶体管（220）；多个第一公共电极（240）和多个像素电极（250），第一公共电极（240）和像素电极（250）交替设置于平坦层（230）之上，第一公共电极（240）和像素电极（250）彼此电绝缘；第一配向膜层（270），设置于第一公共电极（240）和像素电极（250）之上，第一配向膜层（270）为能够实现垂直光配向的配向膜层。还提供了一种彩膜基板（100）、液晶面板（1000）及液晶显示器。通过结合VA显示模式和IPS显示模式的特性，使液晶面板（1000）具有高对比度、高穿透率的画面显示优势的同时，还具有响应速度快以及广视角的特性。

Description

阵列基板、彩膜基板及液晶面板 技术领域
本发明属于液晶显示技术领域，具体地讲，涉及一种阵列基板、彩膜基板及液晶面板。
背景技术
随着光电与半导体技术的演进，也带动了平板显示器(Flat Panel Display)的蓬勃发展，而在诸多平板显示器中，液晶显示器(Liquid Crystal Display，简称LCD)因具有高空间利用效率、低消耗功率、无辐射以及低电磁干扰等诸多优越特性，已被应用于生产生活的各个方面。
液晶显示器通常包括相对设置的液晶面板和背光模块，其中由于液晶面板无法发光，因此需要背光模块向液晶面板提供均匀的光线，以使液晶面板显示影像。目前常见的液晶面板显示模式主要包括TN(扭曲向列)模式，VA(垂直取向排列)模式，IPS(面内开关切换)模式等。
其中VA显示模式是指液晶分子与基板垂直取向的显示模式。VA显示模式的液晶面板具有高对比度、高穿透率的画面显示优势，但视角较差。IPS显示模式是指液晶分子水平排列方式的显示模式。IPS显示模式的液晶面板响应速度快且具有广视角的特性。
发明内容
本发明的目的在于提供一种结合VA显示模式和IPS显示模式的特性的阵列基板、彩膜基板、液晶面板及液晶显示器。
根据本发明的一方面，提供了一种用于液晶面板的阵列基板，其包括：基板；多个薄膜晶体管，阵列排布于所述基板之上；平坦层，设置于所述基板之上且覆盖所述多个薄膜晶体管；多个第一公共电极和多个像素电极，所述第一公共电极和所述像素电极交替设置于所述平坦层之上，所述第一公共电极和所 述像素电极彼此电绝缘；第一配向膜层，设置于所述第一公共电极和所述像素电极之上，所述第一配向膜层为能够实现垂直光配向的配向膜层。
可选地，所述阵列基板还包括：多个绝缘体，每个绝缘体设置于其对应的像素电极与所述平坦层之间，每个第一公共电极位于其对应的两个相邻的绝缘体之间。
可选地，所述绝缘体和/或所述第一公共电极和/或所述像素电极呈条形形状。
可选地，所述薄膜晶体管包括：设置于所述基板之上的栅极、设置于所述栅极之上的栅极绝缘层、设置于所述栅极绝缘层之上的有源层、以及设置于所述有源层之上的源极与漏极；其中位于每个薄膜晶体管上方的像素电极贯穿其对应的绝缘体和所述平坦层，以与所述漏极接触。
根据本发明的另一方面，还提供了一种用于液晶面板的彩膜基板，其包括：基板；黑色矩阵，设置于所述基板之上且限定出多个像素区；多个彩色光阻块，设置于所述基板之上，每个彩色光阻块位于其对应的像素区中；绝缘层，设置于所述黑色矩阵和所述多个彩色光阻块之上；第二公共电极，设置于所述绝缘层之上；第二配向膜层，设置于所述第二公共电极之上，所述第二配向膜层为能够实现垂直光配向的配向膜层。
可选地，所述彩色光阻块为红色光阻块或绿色光阻块或蓝色光阻块，且所述多个彩色光阻块包括红色光阻块、绿色光阻块和蓝色光阻块。
根据本发明的又一方面，又提供了一种液晶面板，其包括：上述的阵列基板；上述的彩膜基板，与所述阵列基板对盒设置；液晶层，设置于所述阵列基板和所述彩膜基板之间。
可选地，所述液晶层中的液晶分子的配向方式为：采用波长为200nm～500nm的紫外光线对所述第一配向膜层和第二配向膜层分别进行紫外曝光，使所述液晶分子形成预定角度的预偏转。
可选地，所述液晶层的靠近所述第一配向膜层的液晶分子的预偏转方向与所述液晶层的靠近所述第二配向膜层的液晶分子的预偏转方向反平行。
可选地，所述液晶面板还包括：间隔体，设置于所述彩膜基板和所述阵列基板之间，所述间隔体用于保持所述彩膜基板与所述阵列基板之间的间距。
本发明的有益效果：本发明通过结合VA显示模式和IPS显示模式的特性，使液晶面板具有高对比度、高穿透率的画面显示优势的同时，还具有响应速度快以及广视角的特性。
附图说明
通过结合附图进行的以下描述，本发明的实施例的上述和其它方面、特点和优点将变得更加清楚，附图中：
图1根据本发明的实施例的液晶面板的结构示意图；
图2是根据本发明的实施例的液晶显示器的结构示意图。
具体实施方式
以下，将参照附图来详细描述本发明的实施例。然而，可以以许多不同的形式来实施本发明，并且本发明不应该被解释为限制于这里阐述的具体实施例。相反，提供这些实施例是为了解释本发明的原理及其实际应用，从而使本领域的其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的各种修改。
在附图中，为了清楚器件，夸大了层和区域的厚度。相同的标号在附图中始终表示相同的元件。
也将理解的是，在一元件被称为设置于另一元件“之上”或“上”时，它可以直接设置于该另一元件上，或者也可以存在中间元件。
图1根据本发明的实施例的液晶面板的结构示意图。
参照图1，根据本发明的实施例的液晶面板1000包括：彩膜基板(或称CF基板)100、阵列基板(或称Array基板)200、间隔体300以及液晶层400。
彩膜基板100和阵列基板200对盒设置。液晶层400设置于彩膜基板100和阵列基板200之间，液晶层400中包含有多个正型液晶分子。
作为本发明的一实施方式，在彩膜基板100和阵列基板200之间设置间隔体300，从而保持彩膜基板100和阵列基板200之间的间隔距离。
彩膜基板100包括：第一基板110、黑色矩阵120、多个彩色光阻块130、绝缘层140、第一公共电极150以及第一配向膜层160。
第一基板110可例如是透明的玻璃基板或者树脂基板，但本发明并不限制于此。
黑色矩阵120设置在第一基板110之上且限定出多个像素区PX。这些像素区PX呈阵列排布。
多个彩色光阻块130设置在第一基板110之上，且一个彩色光阻块130位于对应的一个像素区PX中。
在本实施例中，所述彩色光阻块130为红色光阻块或绿色光阻块或蓝色光阻块，但本发明并不限制于此，彩色光阻块130可以为任何合适颜色的光阻块。所述多个彩色光阻块130包括红色光阻块、绿色光阻块和蓝色光阻块。在本实施例中，以红色光阻块、绿色光阻块和蓝色光阻块为一光阻块单元阵列排布。
绝缘层140设置在黑色矩阵120和多个彩色光阻块130上。绝缘层160可采用无机绝缘材料或者有机绝缘材料形成。
第一公共电极150设置在绝缘层140之上。作为本发明的一种实施方式，第一公共电极150可例如由氧化铟锡(ITO)形成，但本发明并不限制于此。
第一配向膜层160设置在第一公共电极150之上。
阵列基板200包括：第二基板210、多个薄膜晶体管220、平坦层230、多个第二公共电极240、多个像素电极250、多个绝缘体260以及第二配向膜层270。
第二基板210可例如是透明的玻璃基板或者树脂基板，但本发明并不限制于此。
多个薄膜晶体管220阵列排布与第二基板210之上。其中一个薄膜晶体管 220对应一个像素区PX。
作为本发明的一实施方式，薄膜晶体管220包括：设置于第二基板210之上的栅极221、设置于栅极221之上的栅极绝缘层222、设置于栅极绝缘层222之上的有源层223、以及设置于有源层223之上的源极224与漏极225。应当说明的是，薄膜晶体管220的结构并不以这里所述为限，其可以是其他合适结构的薄膜晶体管。
平坦层230设置于第二基板210之上且覆盖所述多个薄膜晶体管220。
第二公共电极240和像素电极250交替设置于平坦层230之上，且第二公共电极240和像素电极250彼此电绝缘。为了实现该目的，本实施例采用多个绝缘体260间隔设置在平坦层230上，将每个像素电极250设置在对应的一个绝缘体260上，将每个第二公共电极240设置于对应的两个相邻的绝缘体260上。应当说明的是，本发明可以采用任何其他合适的方法使第二公共电极240和像素电极250交替设置于平坦层230之上，且第二公共电极240和像素电极250彼此电绝缘。作为本发明的一种实施方式，第二公共电极240可例如由氧化铟锡(ITO)形成，但本发明并不限制于此。作为本发明的一种实施方式，像素电极250可例如由氧化铟锡(ITO)形成，但本发明并不限制于此。
在本实施例中，第二公共电极240和/或像素电极250和/或绝缘体260呈条形形状，但本发明并不限制于此。这里，需要说明的是，对应一个像素区PX的多个像素电极250连接在一起，并且相邻的两个像素区PX分别对应的多个像素电极250彼此电绝缘。此外，阵列基板200的多个第二公共电极240连接在一起。
进一步地，位于每个薄膜晶体管220上方的像素电极250贯穿其对应的绝缘体260和平坦层230，以与漏极225接触。
进一步地，为了避免间隔体300遮挡将要通过彩色光阻块130的光线，使间隔体300与黑色矩阵120和薄膜晶体管220相对设置。
此外，在本实施例中，采用波长为200nm～500nm的紫外光线对所述第一配向膜层和第二配向膜层分别进行紫外曝光，使所述液晶分子形成预定角度的 预偏转(即液晶分子具有预定角度的倾斜角)。进一步地，液晶层400的靠近第一配向膜层160的液晶分子的预偏转方向与液晶层400的靠近第二配向膜层270的液晶分子的预偏转方向平行且相反(或称反平行)。当不对彩膜基板100和阵列基板200加电压时，液晶层400中的液晶分子与第一基板110和第二基板210呈近垂直状态，而当对彩膜基板100和阵列基板200加电压时，液晶层400中的液晶分子倾倒，从而与第一基板110和第二基板210呈水平状态。
综上，通过结合VA显示模式和IPS显示模式的特性，本实施例的液晶面板具有高对比度、高穿透率的画面显示优势的同时，还具有响应速度快以及广视角的特性。
图2是根据本发明的实施例的液晶显示器的结构示意图。
参照图2，根据本发明的实施例的液晶显示器包括：图1所示的液晶面板1000、背光模块2000。背光模块2000设置在液晶面板1000的阵列基板200背向彩膜基板100的一侧，以使背光模块2000发出的光线依次通过阵列基板200和彩膜基板100，从而显示影像。
虽然已经参照特定实施例示出并描述了本发明，但是本领域的技术人员将理解：在不脱离由权利要求及其等同物限定的本发明的精神和范围的情况下，可在此进行形式和细节上的各种变化。

Claims (12)

  1. 一种用于液晶面板的阵列基板，其中，包括：
    基板；
    多个薄膜晶体管，阵列排布于所述基板之上；
    平坦层，设置于所述基板之上且覆盖所述多个薄膜晶体管；
    多个第一公共电极和多个像素电极，所述第一公共电极和所述像素电极交替设置于所述平坦层之上，所述第一公共电极和所述像素电极彼此电绝缘；
    第一配向膜层，设置于所述第一公共电极和所述像素电极之上，所述第一配向膜层为能够实现垂直光配向的配向膜层。
  2. 根据权利要求1所述的阵列基板，其中，所述阵列基板还包括：多个绝缘体，每个绝缘体设置于其对应的像素电极与所述平坦层之间，每个第一公共电极位于其对应的两个相邻的绝缘体之间。
  3. 根据权利要求2所述的阵列基板，其中，所述绝缘体和/或所述第一公共电极和/或所述像素电极呈条形形状。
  4. 根据权利要求2所述的阵列基板，其中，所述薄膜晶体管包括：设置于所述基板之上的栅极、设置于所述栅极之上的栅极绝缘层、设置于所述栅极绝缘层之上的有源层、以及设置于所述有源层之上的源极与漏极；其中位于每个薄膜晶体管上方的像素电极贯穿其对应的绝缘体和所述平坦层，以与所述漏极接触。
  5. 一种用于液晶面板的彩膜基板，其中，包括：
    基板；
    黑色矩阵，设置于所述基板之上且限定出多个像素区；
    多个彩色光阻块，设置于所述基板之上，每个彩色光阻块位于其对应的像 素区中；
    绝缘层，设置于所述黑色矩阵和所述多个彩色光阻块之上；
    第二公共电极，设置于所述绝缘层之上；
    第二配向膜层，设置于所述第二公共电极之上，所述第二配向膜层为能够实现垂直光配向的配向膜层。
  6. 根据权利要求5所述的彩膜基板，其中，所述彩色光阻块为红色光阻块或绿色光阻块或蓝色光阻块，且所述多个彩色光阻块包括红色光阻块、绿色光阻块和蓝色光阻块。
  7. 一种液晶面板，其中，包括：
    权利要求1所述的阵列基板；
    权利要求5所述的彩膜基板，与所述阵列基板对盒设置；
    液晶层，设置于所述阵列基板和所述彩膜基板之间。
  8. 根据权利要求7所述的液晶面板，其中，所述液晶层中的液晶分子的配向方式为：采用波长为200nm～500nm的紫外光线对所述第一配向膜层和第二配向膜层分别进行紫外曝光，使所述液晶分子形成预定角度的预偏转。
  9. 根据权利要求8所述的液晶面板，其中，所述液晶层的靠近所述第一配向膜层的液晶分子的预偏转方向与所述液晶层的靠近所述第二配向膜层的液晶分子的预偏转方向反平行。
  10. 根据权利要求7所述的液晶面板，其中，所述液晶面板还包括：间隔体，设置于所述彩膜基板和所述阵列基板之间，所述间隔体用于保持所述彩膜基板与所述阵列基板之间的间距。
  11. 根据权利要求8所述的液晶面板，其中，所述液晶面板还包括：间隔体，设置于所述彩膜基板和所述阵列基板之间，所述间隔体用于保持所述彩膜基板与所述阵列基板之间的间距。
  12. 根据权利要求9所述的液晶面板，其中，所述液晶面板还包括：间隔体，设置于所述彩膜基板和所述阵列基板之间，所述间隔体用于保持所述彩膜基板与所述阵列基板之间的间距。
PCT/CN2017/071328 2016-12-22 2017-01-17 阵列基板、彩膜基板及液晶面板 WO2018113061A1 (zh)

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CN110764321B (zh) * 2019-10-16 2022-08-05 深圳市华星光电半导体显示技术有限公司 薄膜晶体管像素电极层结构及显示面板

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