CN103969859B - A kind of substrate for display and display device - Google Patents

A kind of substrate for display and display device Download PDF

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Publication number
CN103969859B
CN103969859B CN201410163673.9A CN201410163673A CN103969859B CN 103969859 B CN103969859 B CN 103969859B CN 201410163673 A CN201410163673 A CN 201410163673A CN 103969859 B CN103969859 B CN 103969859B
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China
Prior art keywords
public electrode
peripheral
substrate
display
electrode wire
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CN103969859A (en
Inventor
冯玉春
陈曦
王东亮
王瑞瑞
王守坤
郭会斌
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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Abstract

The invention discloses a kind of substrate for display and display device, during to avoid spraying PI liquid in viewing area, the problem that the PI film layer that causes PI liquid to be formed because of the slit between the multiple separate join domain of viewing area is bad.Described substrate for display includes: underlay substrate;It is positioned at the peripheral public electrode that the outer peripheral areas of described underlay substrate extends in a first direction;It is positioned at the viewing area of described underlay substrate and at least extends to a plurality of public electrode wire of described peripheral public electrode region, described peripheral public electrode and the setting of described public electrode wire different layers along the second direction intersected with first direction;Described peripheral public electrode insulate with described public electrode wire mutually in the region intersected and connects by the way of via is put up a bridge in outer peripheral areas.

Description

A kind of substrate for display and display device
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of substrate for display and display device.
Background technology
In Display Technique field, wide viewing angle, high image quality and faster response speed etc. become display devices An urgent demand.At present, senior super Wei Chang conversion (ADvanced Super Dimension Switch, ADSDS, It is called for short ADS), and in plane internal switch (In-Plane Switching, IPS) type, or perpendicular alignmnet plane The technology such as switch (Vertical Aligment-In-Plane Switching, VA-IPS) type liquid crystal display, have The characteristics such as wide viewing angle, high image quality and faster response speed, receive much concern.
Additionally, pursue the target that rate of good quality Shuai Yeshige producer is pursued always.Affect the factor of product yields More, such as at Thin Film Transistor-LCD (Thin Film Transistor Liquid Crystal Display, TFT-LCD) in processing procedure, the manufacturing process of TFT, the manufacturing process of alignment films (PI film layer) Etc. being likely to cause the bad of substrate for display (color membrane substrates or array base palte).PI film layer main Bad it is: a certain region uncoated PI liquid in the viewing area (AA region) of underlay substrate, is not formed PI film layer, or only it is coated with relatively thin one layer PI liquid, form relatively thin PI film layer.Usually, display is used PI film layer on substrate is to be made after making has the structure such as grid line, public electrode wire, grid line, The isostructural wiring of public electrode wire may cause PI film layer bad.
Usually, by arranging phase electrical with public electrode in the viewing area (AA region) of array base palte The public electrode wire that conductivity even is higher provides public voltage signal (V for public electrodecom).Described public affairs Common electrode is arranged on AA region, for forming the deflection of electric field controls liquid crystal molecule with pixel electrode.In order to Simplification of flowsheet, public electrode wire is arranged and same with layer with the grid line on array base palte and/or data wire Being formed in secondary patterning processes, grid line and public electrode wire are arranged in parallel, and therefore, each public electrode wire is not Obtaining and be not separated from each other, be electrically connected by being arranged on the peripheral public electrode of outer peripheral areas, peripheral public electrode is used In being connected with signal source, provide public voltage signal (V for simultaneously for each public electrode wirecom)。
Specifically, seeing Fig. 1, the substrate for display that prior art provides includes:
A plurality of public electrode wire 300 that viewing area is separated from each other, outer peripheral areas are for connecting each public electrode The peripheral public electrode 200 of line 300;Public electrode wire 300 near one end of peripheral public electrode 200 with Peripheral public electrode 200 connects, in particular by the conduction between via 400 by the way of via is put up a bridge Thin slice 500 connects, each the corresponding conductive foil 500 of public electrode wire 300;Conductive foil 500 It is positioned at the viewing area of substrate for display;There is between conductive foil 500 certain slit, the extension side of slit To the outer peripheral areas towards underlay substrate.
When spraying PI liquid on the substrate for display shown in Fig. 1, accumulating a certain amount of PI liquid can be to week Enclose region flowing, form one layer of PI liquid film layer 600.When PI liquid stream is near conductive foil 500, PI Liquid can flow along the slit between conductive foil 500, and in a short period of time, PI liquid is at conductive foil 500 surroundings form ring-shaped halo structure, and conductive foil 500 is near the side of public electrode wire 300 Can form the phenomenon without PI liquid, the thickness of the ring-shaped PI film layer around conductive foil 500 is also the biggest In the thickness of the PI film layer near AA region mid portion, on the one hand cause AA region near conductive foil The problem that the PI film break of 500 loses, on the other hand causes the inhomogenous problem of integral thickness of PI film layer, Forming PI film layer bad, also referred to as PI film layer Mura is bad.
Summary of the invention
Embodiments provide a kind of substrate for display and display device, by being positioned at by substrate for display The public electrode wire of viewing area extends to outer peripheral areas, is connected with the peripheral public electrode of outer peripheral areas, even Connect region and be set in outer peripheral areas, it is to avoid when spraying PI liquid in viewing area, because of multiple phases of viewing area The problem that PI film layer that the most independent slit between join domain causes PI liquid to be formed is bad.
The described substrate for display that the embodiment of the present invention provides, including:
Underlay substrate;
It is positioned at least one peripheral public electrode that the outer peripheral areas of described underlay substrate extends in a first direction;
It is positioned at the viewing area of described underlay substrate at least extend to along the second direction intersected with first direction The a plurality of public electrode wire of described peripheral public electrode region, described peripheral public electrode is public with described Electrode wires different layers is arranged;
Described peripheral public electrode insulate and in outer peripheral areas in the region intersected mutually with described public electrode wire Connect by the way of via is put up a bridge.
It is preferred that described peripheral public electrode is linearity;Or
Described peripheral public electrode is " U " type or pectination, " U " type or the opening of pectination periphery public electrode Towards consistent with the bearing of trend of peripheral public electrode.
It is preferred that described peripheral public electrode and described public electrode wire pass through therebetween in the region intersected The first insulating barrier insulate mutually, described first insulating barrier is positioned at above described public electrode wire, described peripheral public Common electrode is positioned at above described first insulating barrier;
Also include:
It is positioned at the second insulating barrier on described peripheral public electrode;
It is positioned at the conductive foil on described second insulating barrier;
It is provided with the first via extending to peripheral public electrode on described second insulating barrier, and extends to every Second via of one public electrode wire;Described conductive foil respectively with described first via at expose peripheral public The public electrode wire electrical connection exposed at common electrode and the second via.
It is preferred that be provided with multiple described conductive foil, described conductive foil and institute on described second insulating barrier State public electrode wire one_to_one corresponding to be connected.
It is preferred that the region corresponding with each conductive foil is provided with multiple first via and multiple second mistake Hole.
It is preferred that described public electrode wire is " L " type, the minor face of described " L " type public electrode wire is positioned at Described peripheral public electrode region, or peripherally located public electrode is away from the side of viewing area.
It is preferred that described peripheral public electrode is " U " type or pectinate texture, described " L " type common electrical The minor face of polar curve is positioned in the breach of " U " type structure, or is positioned in arbitrary breach of pectinate texture.
It is preferred that described peripheral public electrode is linear type.
It is preferred that described second via is positioned at the region corresponding with the minor face of described L-shaped structure.
The embodiment of the present invention provides a kind of display device, including the substrate for display of any of the above-described mode.
To sum up, the substrate for display that the present invention provides, public electrode wire extends to the outer peripheral areas of underlay substrate, Each public electrode wire is connected by the via of outer peripheral areas with peripheral public electrode.Owing to public electrode wire is with outer Enclose public electrode and there is intersection region, for connecting the connection member of each public electrode wire and peripheral public electrode It is arranged on outer peripheral areas.When PI liquid is formed at the region of the close peripheral public electrode in AA region, due to periphery Public electrode is an overall structure, and local is spread without tomography or slit areas, PI liquid public electrode to the periphery Time, consistent by the resistance in the peripheral each region of public electrode, at the PI film that peripheral public electrode is formed about The consistency of thickness of layer, and do not have because local slot causes local PI film layer uneven or the situation of disappearance, Avoid the PI film layer bad (Mura) caused at the edge in AA region, the PI of formation because of slit or tomography Film layer complete (covering whole AA region) and thickness are homogeneous.
Accompanying drawing explanation
The substrate for display structural representation that Fig. 1 provides for prior art;
One of substrate for display structural representation that Fig. 2 provides for the embodiment of the present invention;
The two of the substrate for display structural representation that Fig. 3 provides for the embodiment of the present invention;
The three of the substrate for display structural representation that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 be the substrate for display shown in Fig. 4 AA to sectional view;
The four of the substrate for display structural representation that Fig. 6 provides for the embodiment of the present invention;
The five of the substrate for display structural representation that Fig. 7 provides for the embodiment of the present invention;
The six of the substrate for display structural representation that Fig. 8 provides for the embodiment of the present invention;
The seven of the substrate for display structural representation that Fig. 9 provides for the embodiment of the present invention.
Detailed description of the invention
Embodiments provide a kind of substrate for display and display device, by being positioned at by substrate for display The public electrode wire of viewing area extends to outer peripheral areas, is connected with the peripheral public electrode of outer peripheral areas, even Connect region and be set in outer peripheral areas, it is to avoid when spraying PI liquid in viewing area, because of multiple phases of viewing area The problem that PI film layer that the most independent slit between join domain causes PI liquid to be formed is bad.
The present invention is directed to public electrode wire arrange with layer with grid line or data wire, each public electrode wire is in viewing area Territory is separated from each other, need situation about being electrically connected by each public electrode wire in viewing area or outer peripheral areas and Propose.Further, for prior art in viewing area by the way of via is put up a bridge by each common electrical Polar curve is electrically connected, and causes the bad problem of follow-up making PI film layer and proposes.Therefore, the present invention implements The substrate for display that example provides can be array base palte.
Each public electrode wire is to be separated from each other to be because grid line or data wire extends to substrate base in viewing area The outer peripheral areas of plate, each public electrode wire cannot skip grid line in viewing area or data wire connects.
Substrate for display and the display device that the embodiment of the present invention provides is illustrated below with reference to accompanying drawing.
Seeing Fig. 2, described substrate for display includes:
Underlay substrate 1;
It is positioned at least one peripheral public electrode 2 that the outer peripheral areas of underlay substrate 1 extends in a first direction;
It is positioned at the viewing area of underlay substrate 1 and at least extends to periphery along the second direction intersected with first direction The a plurality of public electrode wire 3 of public electrode 2 region, peripheral public electrode 2 is with public electrode wire 3 not Arrange with layer;
Peripheral public electrode 2 insulate mutually in the region intersected with described public electrode wire 3 and leads in outer peripheral areas The mode that via is put up a bridge connects.
In Fig. 1, dotted line frame encloses the region set is outer peripheral areas as viewing area, the region outside dotted line frame.
The peripheral public electrode being connected with each public electrode wire can be one or two, when peripheral public electrode When being set to two, wherein a peripheral public electrode is connected, outside another with one end of each public electrode wire Enclosing public electrode to be connected with the other end of each public electrode wire, respectively two peripheral public electrodes of signal source carry For public voltage signal, two peripheral public electrodes are public electrode wire from the two ends of each public electrode wire Public voltage signal is provided.
Public electrode wire of the present invention is connected with the public electrode of viewing area, for providing for public electrode Public voltage signal, the public electrode of viewing area, for forming electric field with pixel electrode, drives liquid crystal molecule Deflection, it is achieved image shows.
From the substrate for display shown in above-mentioned Fig. 2, public electrode wire 3 extends to outside underlay substrate 1 Enclosing region, each public electrode wire 3 is connected by the via of outer peripheral areas with peripheral public electrode 2.Due to public affairs Common-battery polar curve 3 has intersection region (or referred to as overlapping region), and overlapping region with peripheral public electrode 2 Peripherally located region, the two combines conductive foil by multiple vias of outer peripheral areas and is connected.I.e. it is used for connecting Each public electrode wire 3 is arranged on outer peripheral areas with the connection member of peripheral public electrode 2.PI liquid is formed at AA region is when the region of peripheral public electrode 2, owing to peripheral public electrode 2 is an overall structure, Local is without tomography or slit areas, and PI liquid is time public electrode 2 spreads to the periphery, by periphery public electrode 2 The resistance in each region is consistent, at the consistency of thickness of the PI film layer that peripheral public electrode 2 is formed about, and not Can exist because local slot causes local PI film layer uneven or the situation of disappearance, it is to avoid in AA region The PI film layer bad (Mura) that edge causes because of slit or tomography, the PI film layer of formation completely (covers whole Individual AA region) and thickness homogeneous.
Above-mentioned substrate for display, the effective coverage of PI film layer is AA region, in specific implementation process, for Avoid PI film layer at AA edges of regions disappearance or uneven thickness one, generally PI liquid is formed at external zones In the certain limit in territory.When i.e. PI liquid crosses the certain limit of peripheral public electrode 2, it is ensured that AA Edges of regions PI film layer is complete and thickness is homogeneous.
Peripheral public electrode 2 shown in Fig. 2 can be the linearity having and setting live width.Linearity periphery is public Common electrode 2 is because of its simple in construction, and on the one hand its patterning processes is relatively easy, the most peripheral public electrode The problem that the local of 2 is not easy broken string occur.
In order to increase the contact area between public electrode wire 3 and peripheral public electrode 2, prevent the two from contacting Bad, the width of peripheral public electrode 2 can be more wider.But the widest peripheral public electrode 2 adds PI liquid crosses the resistance of peripheral public electrode 2, and PI liquid is not easy to cross, and may there is AA region PI piles up, and causes PI film layer bad.
Therefore, in order to both ensure that public electrode wire 3 contacts good and PI film layer not with peripheral public electrode 2 Producing bad, it is preferable that peripheral public electrode 2 is " U " type or pectination, " U " type or pectination periphery are public The opening of common electrode 2 is towards consistent with the bearing of trend of peripheral public electrode 2.
Seeing Fig. 3, peripheral public electrode 2 is " U " type.When the effective width of peripheral public electrode 2 (is led The width sum of electrolemma layer) timing, linear type periphery public electrode 2 is deformed into " U " type or pectination Peripheral public electrode 2, PI liquid crosses the regional area of narrower width, resistance in peripheral public electrode 2 successively Less, can effectively solve the problem that above-mentioned PI film layer is bad.
See Fig. 4 and Fig. 5, for one of concrete structure schematic diagram of substrate for display shown in Fig. 2 or Fig. 3; Fig. 5 be Fig. 4 AA to sectional view;
One preferably embodiment is:
Peripheral public electrode 2 and public electrode wire 3 pass through the first insulating barrier therebetween in the region intersected 4 phase insulation, the first insulating barrier 4 is positioned at above public electrode wire 3, and it is exhausted that peripheral public electrode 2 is positioned at first Above edge layer 4;Also include:
The second insulating barrier 5 on peripherally located public electrode 2;
It is positioned at the conductive foil 6 on the second insulating barrier 5;
It is provided with the first via 51 extending to peripheral public electrode 2 on second insulating barrier 5, and extends to Second via 52 of each public electrode wire 3;Conductive foil 6 respectively with the first via 51 at expose outside Enclose the public electrode wire 3 exposed at public electrode 2 and the second via 52 to electrically connect.
Usually, conductive foil 6 can be transparent metal oxide ITO or IZO.
Peripheral public electrode 2 and public electrode wire 3 can be metal, and the conductivity of metal compares metal oxygen Compound ITO or IZO are higher, can meet the requirement of the quick conducted signal of public electrode wire 3.
Substrate for display shown in Fig. 4, peripheral public electrode 2 can be linear type, " U " type or pectination.
The either peripheral public electrode of which kind of structure type, the conductive foil on display base plate can arrange one Individual or multiple.
When conductive foil arrange one whole time, conductive foil is connected with each public electrode wire simultaneously.
When conductive foil 6 is provided with multiple, one of which preferably embodiment is:
See Fig. 4, the second insulating barrier is provided with multiple conductive foil 6, conductive foil 6 and public electrode Line 3 one_to_one corresponding is connected.The most each conductive foil 6 is only used for connecting corresponding public electrode wire 3 and periphery Public electrode 2.
When the set-up mode of the conductive foil 6 shown in Fig. 4 can avoid a whole conductive foil to come off, each public affairs Common-battery polar curve 3 and peripheral public electrode 2 all disconnect, it is impossible to quickly the public electrode for viewing area provides public affairs Common voltage signal.Even if the present invention has partially electronically conductive thin slice 6 to come off, nor affect on remaining conductive foil 6 and take off The phenomenon fallen occurs.
Further, the substrate for display that above-described embodiment provides, the region that each conductive foil is corresponding is permissible One the first via and second via are set, it is also possible to arrange multiple first via and multiple second mistake Hole.
See Fig. 4, be on a conductive foil 6, to be provided with first via 51 and the one the second vias 52。
Seeing Fig. 6, the region for each conductive foil 6 correspondence is provided with multiple first via 51 and multiple Two vias 52.
Substrate for display shown in Fig. 6, can avoid the region of each conductive foil 6 correspondence to arrange one When one via and second via, the conductive foil 6 at the first via and/or the second via and public electrode Line 3 and peripheral public electrode 2 loose contact, cause to provide common electrical for corresponding public electrode wire 3 The problem of pressure signal.Even if the conductive foil 6 at present invention part the first via and/or the second via is with public Electrode wires 3 and peripheral public electrode 2 loose contact, the conduction at remaining first via and/or the second via Thin slice 6 can ensure that public electrode wire 3 and peripheral public electrode 2 are electrically connected.
The region of each conductive foil 6 correspondence arrange the first via 51 and multiple second via 52 quantity and Position relatively does not limits.Second via 52 is positioned at public electrode wire 3 and the intersection region of peripheral public electrode 2, First via 51 may be located at described intersection region, it is also possible to is positioned at non-crossing region.
At the arbitrary shown substrate for display of Fig. 2~Fig. 6, public electrode wire 3 can be linear type, it is also possible to For " L " type.
Usually, the live width of public electrode wire 3 is narrower, in order to avoid linear type public electrode wire 3 is with peripheral The problem that public electrode 2 causes loose contact because contact area is little.Preferably, public electrode wire 3 is " L " Type.
On the basis of the arbitrary shown substrate for display of Fig. 2~Fig. 6, public electrode wire 3 is " L " type, The minor face of " L " type public electrode wire 3 may be located at peripheral public electrode 2 region (corresponding crossover region Territory), or peripherally located public electrode 2 is away from the side (non-overlapping region) of viewing area.
Seeing Fig. 2 and Fig. 3, public electrode wire 3 is " L " type, the minor face of " L " type public electrode wire 3 Peripherally located public electrode 2 region.Shown in Fig. 2, peripheral public electrode 2 is linear type, " L " type The minor face of public electrode wire 3 overlaps with peripheral public electrode 2.Shown in Fig. 3, peripheral public electrode 2 is " U " Type or pectinate texture, the minor face of described L-shaped structure is positioned in the breach of " U " type structure, or position In arbitrary breach of pectinate texture.Certainly, the minor face of described L-shaped structure can also be with " U " type Or the peripheral public electrode 2 of pectinate texture overlaps.
See Fig. 8, when peripheral public electrode 2 is " U " type or pectinate texture, described L-shaped structure Minor face is positioned in the breach of " U " type structure, or is positioned in arbitrary breach of pectinate texture, then conductive thin Sheet 6 can cover a breach or the peripheral public electrode of multiple breach both sides, with increase conductive foil 6 with The contact surface of peripheral public electrode 2, it is to avoid loose contact.
Seeing Fig. 7, public electrode wire 3 is " L " type, outside the minor face of " L " type public electrode wire 3 is positioned at Enclose the public electrode 2 side (non-overlapping region) away from viewing area.
The public electrode wire 3 of above-mentioned L-shaped structure, the minor face of " L " type public electrode wire 3 can increase Overlapping area or contact area with peripheral public electrode 2, it is to avoid public electrode wire 3 and peripheral public electrode The limited loose contact caused of contact area between 2.
Any of the above-described embodiment, the position of the first via and the second via does not limits, as long as ensureing the second via energy Enough exposing public electrode wire, the first via can expose peripheral public electrode.
Preferably, for " L " type public electrode wire 3, the second via 52 is positioned at public with described " L " type The region that the minor face of common-battery polar curve 3 is corresponding.Owing to the minor face of " L " type public electrode wire 3 is for outward Enclosing public electrode 2 to contact, therefore, the length and width of the minor face of " L " type public electrode wire 3 can be use up May be big, with the contact area of both increases.
The invention is not restricted to as connecting public electrode wire and periphery public affairs by the connected mode of above-mentioned conductive foil Common electrode.Region that can also be overlapping with public electrode wire and peripheral public electrode on the first insulating barrier is formed Via, peripheral public electrode is formed on via and electrically connects with public electrode wire.
Specifically, described substrate for display also includes: be positioned at described public electrode wire and peripheral public electrode it Between the first insulating barrier;On described first insulating barrier, the region corresponding with described overlapping region was provided with Hole, each public electrode wire is connected by described via with peripheral public electrode.
As long as each public electrode wire relating to viewing area cannot form one by the same layer in viewing area Formula structure, needs to connect, by connection member, the situation causing PI film bad in viewing area, all can adopt With public electrode wire in the substrate for display of the above embodiment of the present invention offer and the setting of peripheral public electrode Mode.
One of which embodiment is:
Seeing Fig. 9, substrate for display is array base palte, and underlay substrate 1 is provided with peripheral public electrode 2 With public electrode wire 3;
The grid line 7 arranged with layer with public electrode wire 3, public electrode wire 3 be arranged in parallel with grid line 7;
The data wire 8 arranged with layer with peripheral public electrode 2, peripheral public electrode 2 is parallel with data wire 8 Arrange;
Grid line 7 and data wire 8 enclose and set the multiple pixels of formation, are provided with a pixel electrode 9 in each pixel; Pixel electrode 9 is connected with grid line 7 and data wire 8 by switch element.
Public electrode wire is arranged with layer with grid line can be with simplification of flowsheet, and peripheral public electrode is same with data wire Layer is arranged can be with simplification of flowsheet.
A kind of embodiment is: also include the common electrical arranged with pixel electrode different layers on described array base palte Pole, described public electrode wire is electrically connected with described public electrode by via.
Colored filter and black matrix can be arranged on array base palte, it is also possible to be arranged on color membrane substrates.
Another kind of embodiment is: public electrode is arranged on the substrate being oppositely arranged with array base palte (as permissible For color membrane substrates), the public electrode wire being arranged on array base palte is electrically connected with public electrode by conductive silver glue Connect.
The embodiment of the present invention also provides for a kind of display device, the either type provided including the invention described above aobvious Showing and use substrate, described display device can be senior super Wei Chang conversion (ADS) pattern or its display improved The display device of device, fringing field switching (FFS) pattern or the display dress of vertical nematic (TN) pattern Putting, described display device can be the display devices such as display panels, liquid crystal display, LCD TV.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.

Claims (8)

1. a substrate for display, it is characterised in that including:
Underlay substrate;
It is positioned at least one peripheral public electrode that the outer peripheral areas of described underlay substrate extends in a first direction;
It is positioned at the viewing area of described underlay substrate at least extend to along the second direction intersected with first direction The a plurality of public electrode wire of described peripheral public electrode region, described peripheral public electrode is public with described Electrode wires different layers is arranged;
Described peripheral public electrode insulate and in outer peripheral areas in the region intersected mutually with described public electrode wire Connect by the way of via is put up a bridge;
Described peripheral public electrode is " U " type or pectination, " U " type or the opening of pectination periphery public electrode Towards consistent with the bearing of trend of peripheral public electrode.
Substrate for display the most according to claim 1, it is characterised in that described peripheral public electrode Insulated mutually by the first insulating barrier therebetween in the region intersected with described public electrode wire, described first Insulating barrier is positioned at above described public electrode wire, and described peripheral public electrode is positioned on described first insulating barrier Side;
Also include:
It is positioned at the second insulating barrier on described peripheral public electrode;
It is positioned at the conductive foil on described second insulating barrier;
It is provided with the first via extending to peripheral public electrode on described second insulating barrier, and extends to every Second via of one public electrode wire;Described conductive foil respectively with described first via at expose peripheral public The public electrode wire electrical connection exposed at common electrode and the second via.
Substrate for display the most according to claim 2, it is characterised in that on described second insulating barrier Being provided with multiple described conductive foil, described conductive foil is connected with described public electrode wire one_to_one corresponding.
Substrate for display the most according to claim 3, it is characterised in that with each conductive foil pair The region answered is provided with multiple first via and multiple second via.
Substrate for display the most according to claim 4, it is characterised in that described public electrode wire is " L " type, the minor face of described " L " type public electrode wire is positioned at described peripheral public electrode region, or The peripherally located public electrode of person is away from the side of viewing area.
Substrate for display the most according to claim 5, it is characterised in that described " L " type common electrical The minor face of polar curve is positioned in the breach of " U " type structure, or is positioned in arbitrary breach of pectinate texture.
Substrate for display the most according to claim 6, it is characterised in that described second via is positioned at The region corresponding with the minor face of described L-shaped structure.
8. a display device, it is characterised in that include the arbitrary described display base of claim 1-7 Plate.
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CN109212845B (en) * 2018-10-25 2021-09-17 合肥鑫晟光电科技有限公司 Display substrate, display device and preparation method of display substrate
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DE102005059789B4 (en) * 2004-12-23 2010-07-22 Lg Display Co., Ltd. Liquid crystal display device
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