CN105929610B - A kind of array substrate and the liquid crystal display panel including it - Google Patents
A kind of array substrate and the liquid crystal display panel including it Download PDFInfo
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- CN105929610B CN105929610B CN201610514146.7A CN201610514146A CN105929610B CN 105929610 B CN105929610 B CN 105929610B CN 201610514146 A CN201610514146 A CN 201610514146A CN 105929610 B CN105929610 B CN 105929610B
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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]
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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
- G02F1/136—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
- G02F1/136213—Storage capacitors associated with the pixel electrode
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Geometry (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of array substrate and including its liquid crystal display panel.Wherein, the public electrode in each display pixel of array substrate including pixel electrode and for forming transverse electric field with pixel electrode.The solution of the present invention, by be arranged on the pixel electrode with scanning line overlap electrode portion, increase the capacity of the storage capacitance in each display pixel, so as to improve display when flashing, image retention the problems such as, improve display effect.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of array substrate and including its liquid crystal display panel.
Background technique
Liquid crystal display panel generally includes array substrate, the color membrane substrates being oppositely arranged with array substrate and is located at array base
Liquid crystal layer between plate and color membrane substrates.Wherein be provided in array substrate thin film transistor (TFT) array, pixel electrode array and
Public electrode.Each pixel electrode of each thin film transistor (TFT) of thin film transistor (TFT) array into pixel electrode array applies data letter
Number, and common voltage is applied to public electrode by public voltage signal line, so that being formed between pixel electrode and public electrode
Electric field, the liquid crystal molecule in liquid crystal layer deflects under electric field action, to realize the display of predetermined picture.
According to the direction for forming electric field between pixel electrode and public electrode, liquid crystal display panel can be divided into longitudinal electric field
Liquid crystal display panel and transverse electric field liquid crystal display panel.In the liquid crystal display panel of longitudinal electric field, pixel electrode and
The direction of the electric field formed between public electrode is the direction perpendicular to plane where liquid crystal display panel.And the liquid of transverse electric field
In LCD panel, the direction of the electric field formed between pixel electrode and public electrode is flat where being parallel to liquid crystal display panel
The direction in face.
In the liquid crystal display panel (for example, IPS, In-Plane Switching) of existing transverse electric field, due to it
The problems such as storage capacitance in each pixel is smaller, and flashing, image retention are easy to appear during display.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, the present invention provides a kind of array substrate and the liquid crystal including it
Show panel, to solve the technical problems existing in the prior art.
In a first aspect, the present invention provides a kind of array substrate, including multi-strip scanning line and intersect with multi-strip scanning line
Multiple data lines；Multi-strip scanning line and multiple data lines intersect to form pixel array, and pixel array includes the more of array arrangement
A display pixel；Public electrode in display pixel including pixel electrode and for forming transverse electric field with pixel electrode；Array
Substrate further includes thin film transistor (TFT) array, and thin film transistor (TFT) array includes the thin film transistor (TFT) of array arrangement, each thin film transistor (TFT)
Including grid, the first pole and the second pole, the grid of each thin film transistor (TFT) is electrically connected with a wherein scan line, each thin film transistor (TFT)
The first pole be electrically connected with a wherein data line, the second pole of each thin film transistor (TFT) is electrically connected with pixel electrode；Pixel electrode
Including the first strip electrode portion and first connecting portion, the first strip electrode portion includes at least one first strip electrode and at least one
A second strip electrode, first connecting portion is for being electrically connected each first strip electrode and each second strip electrode；Public electrode packet
The second bar shaped electrode portion and second connecting portion are included, the second bar shaped electrode portion includes at least one third strip electrode, the second connection
Portion is for being electrically connected each third strip electrode；First strip electrode portion exists in the orthographic projection of array substrate and the second bar shaped electrode portion
The orthographic projection of array substrate is mutually indepedent；Second strip electrode includes consistent first with each first strip electrode extending direction
Point, and the second strip electrode further includes the consistent second part of extending direction of extending direction and scan line, the second strip electrode
Second part it is at least partly be overlapped in the orthographic projection of array substrate at least one scan line in the orthographic projection of array substrate；
First strip electrode extending direction intersects with scan line extending direction, and the second part of the second strip electrode is in scan line extension side
To length be greater than the second strip electrode first part scan line extending direction length.
Second aspect, the present invention also provides a kind of liquid crystal display panels, including array substrate as above.
Increased according to the scheme of the embodiment of the present invention by the way that the electrode portion with scanning line overlap is arranged on the pixel electrode
The problems such as capacity of storage capacitance in each display pixel, flashing when so as to improve display, image retention, improve display effect
Fruit.
In addition, additional storage capacitance is formed in place of scan line rather than display picture in the scheme of the embodiment of the present invention
In the transmission region of element.It therefore, will not be to liquid crystal display panel using the increased storage capacitance of the scheme of the embodiment of the present invention
Transmitance causes adverse effect.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows the schematic diagram of the array substrate of various embodiments of the present invention；
Fig. 2 shows in array substrate of the invention, pixel electrode and public electrode in same display pixel
The schematic diagram of one embodiment of relative positional relationship；
Fig. 3 is the schematic diagram of the pixel electrode in Fig. 2；
Fig. 4 is the schematic diagram of the public electrode in Fig. 2；
Fig. 5 is shown in array substrate of the invention, the picture being located in two adjacent display pixels of scan line
The schematic diagram of one embodiment of the relative positional relationship of plain electrode and public electrode；
Fig. 6 is shown in array substrate of the invention, pixel electrode and public electrode in same display pixel
Relative positional relationship another embodiment schematic diagram；
Fig. 7 is shown in array substrate of the invention, pixel electrode and public electrode in same display pixel
Relative positional relationship another embodiment schematic diagram；
Fig. 8 is shown in array substrate of the invention, in two display pixels adjacent along scanning line direction, pixel electrode,
Connection relationship diagram between public electrode, scan line, public electrode wire and thin film transistor (TFT)；
Fig. 9 is the cross-sectional view of the A-B along Fig. 8.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In addition, it should be noted that, appended drawing reference S1 and S2 indicate adjacent in following embodiment and its in respective figure
Two scan lines, and appended drawing reference D1 and D2 indicate two adjacent data lines.
Referring to Fig. 1 to Fig. 4, wherein Fig. 1 is the schematic diagram of the array substrate of various embodiments of the present invention, and Fig. 2 is this
In the array substrate of invention, the schematic diagram of one embodiment of pixel electrode and public electrode, Fig. 3 is the picture in Fig. 2
The schematic diagram of plain electrode, Fig. 4 are the schematic diagram of the public electrode in Fig. 2.
In the following, the array substrate of one embodiment of the invention is described in conjunction with FIG. 1 to FIG. 4.
As shown in Figure 1, the array substrate of the present embodiment include multi-strip scanning line S1~Sn and with multi-strip scanning line S1~
Multiple data lines D1~Dm that Sn intersects.Multi-strip scanning line S1~Sn and multiple data lines D1~Dm intersect to form pixel array,
Pixel array includes multiple display pixels 11 of array arrangement.
Array substrate further includes thin film transistor (TFT) array, and thin film transistor (TFT) array includes the thin film transistor (TFT) of array arrangement
12.Each thin film transistor (TFT) 12 includes grid, the first pole and the second pole.
The grid of each thin film transistor (TFT) 12 is electrically connected with a scan line in S1~Sn, and the first of each thin film transistor (TFT) 12
Pole is electrically connected with the data line in D1~Dm, and the second pole of each thin film transistor (TFT) 12 is electrically connected with pixel electrode.
Please continue to refer to Fig. 2, it illustrates in array substrate of the invention, the relative position of pixel electrode and public electrode
The schematic diagram of one embodiment of relationship.Including pixel electrode 13 and for forming lateral electricity with pixel electrode 13 in display pixel
The public electrode 14 of field.
As shown in figure 3, pixel electrode 13 can further comprise the first strip electrode portion 130 and first connecting portion 135.
First strip electrode portion 130 includes at least one the first strip electrode 131 and at least one second strip electrode
132, first connecting portion 135 is for being electrically connected each first strip electrode 131 and each second strip electrode 132.
Second strip electrode 132 include with the consistent first part 132a of each first bar shaped, 131 electrode extending direction, and
Two strip electrodes 132 further include the consistent second part 132b of extending direction of extending direction and scan line, the second strip electrode
132 second part 132b array substrate orthographic projection and at least one scan line array substrate orthographic projection at least partly
Ground overlapping.
In addition, can be seen that the first extending direction of strip electrode 131 and prolonging for scan line S1~Sn in conjunction with FIG. 1 to FIG. 3
Stretch direction intersection.
The second part 132b of second strip electrode 132 is greater than the second strip electrode in the length of scan line extending direction
Length of the 132 first part 132a in scan line extending direction.So, due to second of the second strip electrode 132
132b is divided to be greater than the first part 132a of the second strip electrode 132 in scan line extending direction in the length of scan line extending direction
Length, correspondingly can be bigger with the overlapping area for forming capacitor of scan line in pixel electrode so that in display pixel
The storage capacitance of formation is larger.
As shown in figure 4, public electrode 14 may include the second bar shaped electrode portion 141 and second connecting portion 142.Second bar shaped electricity
Pole portion 141 includes at least one third strip electrode 141a, and second connecting portion 142 is for being electrically connected each third strip electrode
141a。
In conjunction with Fig. 1 to Fig. 4, the first strip electrode portion 130 exists in the orthographic projection of array substrate and the second bar shaped electrode portion 141
The orthographic projection of array substrate is mutually indepedent.So, in the present embodiment, the second connecting portion 142 of only public electrode 14 exists
The first part 132a of second strip electrode of the orthographic projection and pixel electrode 13 of array substrate array substrate orthographic projection it
Between exist it is overlapping, pixel electrode 13 and public electrode 14 overlapped in the orthographic projection of array substrate it is less so that pixel electrode
It does not generate the vertical electric field perpendicular to plane where array substrate between 13 and public electrode 14 as much as possible, and then avoids as far as possible
Cause liquid crystal molecule to rotate display effect caused by disorder under horizontal component of electric field and vertical electric field collective effect to deteriorate.
Herein it should be noted that in the array substrate of various embodiments of the present invention, with the pixel in a certain pixel region
The scan line and connect with the grid of thin film transistor (TFT) and be used to open this that the second part of second strip electrode of electrode overlaps
The scan line of thin film transistor (TFT) is not identical scan line.
For example, i-th scan line provides scanning signal to the grid for the thin film transistor (TFT) being electrically connected with pixel electrode, that
, can be (i-1)-th scan line either i-th with what the second part part of the second strip electrode of the pixel electrode overlapped
+ 1 scan line.
It is attached drawing in Fig. 2 with the overlapping scan line of the second part of the second strip electrode of pixel electrode 13 by taking Fig. 2 as an example
It marks shown in S1, then, the of the pixel electrode 13 in pixel region intersected to form by scan line S1, S2, data line D1, D2
The overlapping scan line (for example, scan line S1 in Fig. 2) of the second part (namely 132b shown in Fig. 3) of two strip electrodes, and
The grid of thin film transistor (TFT) corresponding with the pixel region connects and is used to open the scan line of the thin film transistor (TFT) (for example, figure
Scan line S2 in 2) it is different.
The array substrate of the present embodiment, by that can be shown each in the part that pixel electrode setting one is overlapped with scan line
Show and forms storage capacitance in pixel, further, with merely strip electrode being extended to compared at scan line crossover position,
Pixel electrode and the part that scan line overlaps are larger in the length of scan line extending direction, therefore, are capable of forming biggish storage
Capacitor further improves flashing and afterimage phenomena when display, promotes display effect.
It is shown in Figure 5, it is to be located at along two adjacent display pixels of scan line in array substrate of the invention
Pixel electrode and public electrode relative positional relationship one embodiment schematic diagram.
It is similar with Fig. 2~pixel electrode shown in Fig. 4 and public electrode, in the present embodiment, include in each display pixel
Pixel electrode and for pixel electrode formed transverse electric field public electrode.For example, having pixel in the display pixel 5a of Fig. 5
Electrode 51a and public electrode 52a.In display pixel 5b, there is pixel electrode 51b and public electrode 52b.
In addition, pixel electrode in the embodiment of Fig. 5, in each pixel region similar with Fig. 2~embodiment shown in Fig. 4
It equally include the first strip electrode portion and first connecting portion.Wherein, the first strip electrode portion includes at least one first bar shaped electricity
Pole and at least one second strip electrode, first connecting portion is for being electrically connected each first strip electrode and each second strip electrode.
Second strip electrode includes and each consistent first part of first strip electrode extending direction, and the second strip electrode
It further include the consistent second part of extending direction of extending direction Yu scan line S1, S2, the second part of the second strip electrode exists
The orthographic projection of array substrate is at least partly be overlapped in the orthographic projection of array substrate at least one scan line.In Fig. 5, it is located at picture
The second part 511b and the second strip electrode in pixel region 5b of the second strip electrode 511 in plain region 5a
521 second part 521b is partly be overlapped in the orthographic projection of array substrate with scan line S1 in the orthographic projection of array substrate.
The second part 511b and scan line S1 of the second strip electrode 511 being located in pixel region 5a is allowed to form a storage electricity
The second part 521b for the second strip electrode 521 for holding, and being located in pixel region 5b also forms a storage electricity with scan line S1
Hold.
Similarly, in the present embodiment, public electrode 52a, 52b may also comprise the second bar shaped electrode portion and second connecting portion.
The second bar shaped electrode section of public electrode 52a, 52b do not include at least one third strip electrode 513,523, public electrode
The second connecting portion of 52a, 52b are respectively used to be electrically connected each third strip electrode 513,523.
Unlike Fig. 2~embodiment illustrated in fig. 4, two pixels adjacent along scan line S1, S2 direction of the present embodiment
In region 5a and 5b, the first part of the second strip electrode (511,521) of each pixel electrode (51a, 51b) (511a,
It 521a) is separately positioned on the same side of each first strip electrode (512,522) in same pixel region, and along scan line
In the adjacent two pixel regions 5a and 5b in the direction S1, S2, the of the second strip electrode 511,521 of pixel electrode 51a, 51b
A part of 511a, 521a mirror image each other, for example, the first part of the second strip electrode 511,521 of pixel electrode 51a, 51b
511a, 521a can be mirrored into symmetrically about the data line D2 between two pixel region 5a and 5b.Specifically, such as Fig. 5 institute
Show, in pixel region 5a, the first part 511a of the second strip electrode 511 is arranged in all first in the pixel region 51
The left side of shape electrode 512, correspondingly, in pixel region 5b, the first part 521a of the second strip electrode 521 is arranged in the pixel
The right side of all the first strip electrodes 522 in the 5b of region.So, when will be public in adjacent two pixel regions 5a, 5b
When electrode 52a, 52b are connected to public electrode wire C1 to apply common voltage to each public electrode 52a, 52b, public electrode 52a,
52b can share a through-hole 53, thus realize public electrode 52a, 52b be located at array substrate other film layers (for example, with
The identical film layer of scan line S1, S2) public electrode wire C1 electrical connection.
In the present embodiment, the second strip electrode 511,521 of pixel electrode 51a, 51b include second part 511b,
521b, and the projection and scan line S1 of second part 511b, 521b in array substrate have lap, adjacent two pixel region
Public electrode 52a, 52b of domain 5a, 5b share a through-hole 53 and are connected to public electrode wire C1.Therefore, provided in this embodiment
It is bad to improve the display such as flashing, image retention that array substrate can not only form storage capacitance, moreover it is possible to which the quantity for reducing through-hole makes
When array substrate is applied to liquid crystal display panel, the spacer column on color membrane substrates is slipped to the probability drop of through-hole under stress condition
It is low, to reduce the probability for being spaced and being scratched.
It is shown in Figure 6, it is pixel electrode and common electrical in same display pixel in array substrate of the invention
The schematic diagram of another embodiment of the relative positional relationship of pole.
Comparison diagram 6 and Fig. 2, Fig. 3, which can be seen that the pixel electrode in the present embodiment, to be had and Fig. 2~implementation shown in Fig. 4
The similar structure of example.
It include two mutually only in the present embodiment, in each display pixel unlike Fig. 2~embodiment illustrated in fig. 4
Vertical public electrode, two mutually independent public electrodes are as shown in the appended drawing reference 64 and appended drawing reference 65 in Fig. 6.
In addition, in the present embodiment, it includes the first strip electrode portion and first connecting portion that pixel electrode, which includes first, first
Shape electrode portion includes at least one the first strip electrode 632 and at least one second strip electrode 631, and first connecting portion is for electricity
Connect each first strip electrode 632 and each second strip electrode 631.Wherein, the second strip electrode 631 includes first part 631a
With second part 631b.And second strip electrode 631 first part 631a array substrate orthographic projection be located at two mutually
Independent public electrode 64,65 is respectively between the orthographic projection of array substrate.Mutually independent public electrode 64,65 respectively includes
An at least third strip electrode 641,651.
So, it is contained in the same display pixel by the first part of the second strip electrode 631 of pixel electrode
Two independent public electrodes 64,65 that 631a separates, so that pixel electrode is in array substrate in the same display pixel
Orthographic projection and two public electrodes 64,65 array substrate orthographic projection no overlap so that pixel electrode and common electrical
In the direction of the electric field formed between pole 64,65, further reduces perpendicular to the component in array substrate direction, further avoid
Cause liquid crystal molecule to rotate display effect caused by disorder under horizontal component of electric field and vertical electric field collective effect to deteriorate.
It is shown in Figure 7, it is pixel electrode and common electrical in same display pixel in array substrate of the invention
The schematic diagram of another embodiment of the relative positional relationship of pole.
Comparison diagram 7 and Fig. 6 can be seen that in the present embodiment, pixel electrode and public electrode in the same display pixel
74, it 75 can have and the identical structure of embodiment illustrated in fig. 6.
Unlike structure shown in Fig. 6, in the present embodiment, pixel electrode and public electrode 74, the setting of 75 same layers.
So, it is contained in the same display pixel by the first part of the second strip electrode 731 of pixel electrode
Two independent public electrodes 74,75 that 731a separates, so that the electric field formed between pixel electrode and public electrode 74,75
Direction does not include the component perpendicular to array substrate direction.It, not only can be at this point, pixel electrode and public electrode are located on the same floor
Preparation step is reduced, the component of vertical electric field can also be further reduced, to further avoid horizontal component of electric field and vertical electric field
Cause liquid crystal molecule to rotate display effect caused by disorder under collective effect to deteriorate.
It should be noted that although one independent public electrode is (for example, attached in Fig. 5 as shown in Fig. 5, Fig. 6 and Fig. 7
Icon remember 52a, 52b shown in, shown in the appended drawing reference 64,65 in Fig. 6, shown in the appended drawing reference 74,75 in Fig. 7) in two phases
Adjacent third strip electrode (for example, shown in appended drawing reference 513,523 in Fig. 5, in Fig. 6 shown in appended drawing reference 641,651, Fig. 7
Shown in middle appended drawing reference 741,751) between be formed with one or two the first strip electrodes (for example, the appended drawing reference in Fig. 5
512, shown in 522, shown in the appended drawing reference 632 in Fig. 6, shown in the appended drawing reference 732 in Fig. 7), alternatively, as in Fig. 2~Fig. 4
It is shown, first strip electrode 131 is set in adjacent two third strip electrodes 141a of an independent public electrode 14
Or second strip electrode 132, but this is only schematical.Those skilled in the art are learning technical side disclosed by the invention
On the basis of case, the quantity of the first strip electrode formed between adjacent two thirds strip electrode can be configured to adapt to
The demand of concrete application scene.Herein, " independent public electrode " can be understood as not having between public electrode and public electrode
It is directly connected to, it is not intended that not being electrically connected between public electrode and public electrode.
In addition, in the array substrate of various embodiments of the present invention, the first part of the first strip electrode, the second strip electrode
It can be linear type electrode with third strip electrode, alternatively, the first strip electrode, the first part of the second strip electrode and third
Strip electrode can be broken line type electrode.It should be noted that the first part of the first strip electrode, the second strip electrode and
Three strip electrodes, which can according to need, is designed to linear type, broken line type or shaped form, and the present invention is without limitation, but
It is, no matter it is any, Article 2 that the first strip electrode, the first part of the second strip electrode and third strip electrode, which are shapes,
The second part of shape electrode all has the part overlapped with scan line, can form storage capacitance, improves flashing and image retention is existing
As.
In some optional implementations, in the pixel electrode of various embodiments of the present invention, the second of the second strip electrode
Part is all along first in the first strip electrode portion that the length on scan line extending direction is more than or equal to pixel electrode
Length the sum of of the electrode that strip electrode extending direction extends on scan line extending direction.
By taking pixel electrode shown in Fig. 3 as an example, the second part 132b of the second strip electrode 132 is in scan line extending direction
On length be d1, length of first strip electrode 131 on scan line extending direction is d2, and the of the second strip electrode 132
Length of a part of 132a on scan line extending direction is d3, then d1、d2And d3Meet: d1≥2d2+d3.In the prior art,
Scan line and data line intersect to form multiple pixel regions, and public electrode wire includes the part being formed in pixel region, and
Extending direction can intersect with the extending direction of pixel electrode, so that forming storage between public electrode wire and pixel electrode
Capacitor.However, it is such in the prior art, public electrode wire is usually arranged with scan line same layer, thus public electrode wire is usual
Suitable and extending direction is parallel with scanning line width.So, it is such in the prior art, public electrode and pixel electrode are handed over
Each branch electrode that the area in folded portion will be proportional to the width of public electrode wire and pixel electrode is included is being parallel to public electrode
The product of the sum of the width of line extending direction.And after using the scheme of the present embodiment, due in pixel electrode, the second strip electrode
Second part the length on scan line extending direction be more than or equal to pixel electrode the first strip electrode portion in own
Length the sum of of the electrode extended along the first strip electrode extending direction on scan line extending direction, thus the second strip electrode
Second part and scan line overlap the above-mentioned public electrode wire in the prior art of area ratio and pixel electrode overlap area more
Greatly, in turn, compared with the above-mentioned prior art, the scheme of the present embodiment can form bigger storage capacitance, further, since this reality
Additional structure is not arranged in pixel region and then improves the aperture opening ratio of pixel for the scheme for applying example.
In the following, by schematically being described along two adjacent display pixels of scanning line direction in conjunction with Fig. 8 and Fig. 9, pixel
Connection relationship between electrode, public electrode, scan line, public electrode wire and thin film transistor (TFT), wherein Fig. 8 is the present invention
Array substrate in, in two display pixels adjacent along scanning line direction, pixel electrode, public electrode, scan line, public electrode
Connection relationship diagram between line and thin film transistor (TFT), Fig. 9 are the cross-sectional view of the A-B along Fig. 8.
It should be noted that although each pixel electrode and each public electrode in Fig. 8 have shape as shown in FIG. 6 and knot
Structure, however this is only schematical.Those skilled in the art, can be on the basis of obtaining technical solution disclosed by the invention
Any selection is using the shape and structure such as Fig. 2, Fig. 5 or pixel electrode shown in Fig. 7 and public electrode.
As shown in figure 8, array substrate further includes multiple first conductor blocks 810.Along adjacent two second of scanning line direction
Public electrode 841 and 842 between strip electrode 831 and 832 is electrically connected by the first conductor block 810.
In some optional implementations, public electrode wire 820 and public electrode can be set array substrate not
Same conductor layer, for example, as shown in figure 8, public electrode wire 820 can be in identical conductor layer with scan line S1, S2.At these
In optional implementation, the public electrode 841 and 842 being electrically connected with the first conductor block 810 can be by being formed in the first conductor
Via hole 811 between block 810 and public electrode wire 820 is electrically connected with public electrode wire 820.
In addition, in some optional implementations, as shown in figure 8, array substrate can also include multiple second conductors
Block 850.First connecting portion 833 and each second conductor block 850 in each pixel electrode is by being formed in first connecting portion 833 and
The second via hole 851 electrical connection between two conductor blocks 850.
Wherein, orthographic projection and second conductor block 850 that is electrically connected of the first connecting portion 833 to array substrate are to array
The orthographic projection of substrate is at least partly overlapped.
Continuing with shown in Figure 8, in some optional implementations, array substrate may also include multiple third conductors
Block 860.Orthographic projection and one of them second conductor block 850 of each third conductor block 860 to array substrate to array substrate just
Projection is at least partly overlapped, and each third conductor block 860 is arranged and is electrically connected with 820 same layer of public electrode wire.So,
The first connecting portion 833 of pixel electrode is electrically connected by via hole 851 with the second conductor block 850.Again due to the second conductor block 850 with
Form a storage capacitance between third conductor block 860, thus the first connecting portion 833 of pixel electrode also with third conductor block 860
Between form a storage capacitance, and then further mitigate flashing when display and image retention.
In some optional implementations, the second pole 870 of each thin film transistor (TFT) in thin film transistor (TFT) array can be with
It is electrically connected with one of them second conductor block 850.So, when the grid of thin film transistor (TFT) receives the scanning letter of scan line
Number when, the second pole 870 of controllable thin film transistor (TFT) and be connected with the first pole of the thin film transistor (TFT) of data line electrical connection, thus
Apply data-signal to the second conductor block 850.Again since the second conductor block 850 is electrically connected with pixel electrode, pixel electrode can also
To receive the data-signal on data line, so that the transverse direction that liquid crystal molecule is formed between pixel electrode and public electrode
It is deflected under the action of electric field, and shows predetermined picture.
Herein, the first pole of thin film transistor (TFT) can be source electrode, and correspondingly, the second pole 870 of thin film transistor (TFT) can be with
It is drain electrode.
It may include any one array base of each embodiment as above the invention also discloses a kind of liquid crystal display panel
Plate, the color membrane substrates being oppositely arranged with the array substrate, and the liquid crystal layer being formed between array substrate and color membrane substrates.This
Field technical staff is it will be appreciated that the liquid crystal display panel of the present embodiment can also include other well known structure.In order not to mould
Emphasis of the invention is pasted, no longer structure well known to these will be further described herein.
It will be appreciated by those skilled in the art that invention scope involved in the present invention, however it is not limited to above-mentioned technical characteristic
Specific combination made of technical solution, while should also cover in the case where not departing from the inventive concept, by above-mentioned technology
Feature or its equivalent feature carry out any combination and other technical solutions for being formed.Such as disclosed in features described above and the present invention
(but being not limited to) have the technical characteristic of similar functions replaced mutually and the technical solution that is formed.
Claims (12)
1. a kind of array substrate, which is characterized in that including multi-strip scanning line and a plurality of number intersected with a plurality of scan line
According to line；
The a plurality of scan line and a plurality of data line intersect to form pixel array, and the pixel array includes array arrangement
Multiple display pixels；
Public electrode in the display pixel including pixel electrode and for forming transverse electric field with the pixel electrode；
The array substrate further includes thin film transistor (TFT) array, and the thin film transistor (TFT) array includes the film crystal of array arrangement
Pipe, each thin film transistor (TFT) include grid, the first pole and the second pole, the grid of each thin film transistor (TFT) and wherein one
The electrical connection of scan line described in item, first pole of each thin film transistor (TFT) are electrically connected with a wherein data line, respectively
Second pole of the thin film transistor (TFT) is electrically connected with the pixel electrode；
The pixel electrode includes the first strip electrode portion and first connecting portion, and first strip electrode portion includes at least one
First strip electrode and at least one second strip electrode, the first connecting portion is for being electrically connected each first strip electrode
With each second strip electrode；
The public electrode includes the second bar shaped electrode portion and second connecting portion, and the second bar shaped electrode portion includes at least one
Third strip electrode, the second connecting portion is for being electrically connected each third strip electrode；
First strip electrode portion is in the orthographic projection of the array substrate and the second bar shaped electrode portion in the array base
The orthographic projection of plate is mutually indepedent；
Second strip electrode include with each consistent first part of first strip electrode extending direction, and described second
Strip electrode further includes the consistent second part of extending direction of extending direction Yu the scan line, second strip electrode
The second part the array substrate orthographic projection and at least one scan line the array substrate orthographic projection
At least partly it is overlapped；
The first strip electrode extending direction intersects with the scan line extending direction, and described the of second strip electrode
Two parts are greater than the first part of second strip electrode in the scanning in the length of the scan line extending direction
The length of line extending direction；
The first part of second strip electrode is located at the same side of first strip electrode in same pixel region；
The first part of second strip electrode in two pixel regions adjacent along scan line is about positioned at the edge
The data line between the two adjacent pixel regions of scan line is mirrored into symmetrically；
Public electrode in two pixel regions adjacent along scan line is electrically connected by the same through-hole with public electrode wire.
2. array substrate according to claim 1, it is characterised in that:
The display pixel includes two mutually independent public electrodes, and the first part of second strip electrode is in institute
The orthographic projection for stating array substrate is located at described two mutually independent public electrodes respectively in the positive throwing of the array substrate
Between shadow.
3. array substrate according to claim 1, it is characterised in that:
Length of the second part of second strip electrode on the scan line extending direction is more than or equal to institute
It states all electrodes extended along the first strip electrode extending direction in the first strip electrode portion and is stating scan line extending direction
On the sum of length.
4. array substrate according to claim 1, it is characterised in that:
The pixel electrode and the public electrode same layer are arranged.
5. array substrate according to claim 2, it is characterised in that:
First strip electrode is formed between any two adjacent third strip electrodes in each public electrode
Or second strip electrode.
6. array substrate according to claim 5, it is characterised in that:
First strip electrode, the first part of second strip electrode and the third strip electrode are linear type electricity
Pole, broken line type electrode or curved shape electrode.
7. a kind of array substrate, which is characterized in that including multi-strip scanning line and a plurality of number intersected with a plurality of scan line
According to line；
The a plurality of scan line and a plurality of data line intersect to form pixel array, and the pixel array includes array arrangement
Multiple display pixels；
Public electrode in the display pixel including pixel electrode and for forming transverse electric field with the pixel electrode；
The array substrate further includes thin film transistor (TFT) array, and the thin film transistor (TFT) array includes the film crystal of array arrangement
Pipe, each thin film transistor (TFT) include grid, the first pole and the second pole, the grid of each thin film transistor (TFT) and wherein one
The electrical connection of scan line described in item, first pole of each thin film transistor (TFT) are electrically connected with a wherein data line, respectively
Second pole of the thin film transistor (TFT) is electrically connected with the pixel electrode；
The pixel electrode includes the first strip electrode portion and first connecting portion, and first strip electrode portion includes at least one
First strip electrode and at least one second strip electrode, the first connecting portion is for being electrically connected each first strip electrode
With each second strip electrode；
The public electrode includes the second bar shaped electrode portion and second connecting portion, and the second bar shaped electrode portion includes at least one
Third strip electrode, the second connecting portion is for being electrically connected each third strip electrode；
First strip electrode portion is in the orthographic projection of the array substrate and the second bar shaped electrode portion in the array base
The orthographic projection of plate is mutually indepedent；
Second strip electrode include with each consistent first part of first strip electrode extending direction, and described second
Strip electrode further includes the consistent second part of extending direction of extending direction Yu the scan line, second strip electrode
The second part the array substrate orthographic projection and at least one scan line the array substrate orthographic projection
At least partly it is overlapped；
The first strip electrode extending direction intersects with the scan line extending direction, and described the of second strip electrode
Two parts are greater than the first part of second strip electrode in the scanning in the length of the scan line extending direction
The length of line extending direction；
The display pixel includes two mutually independent public electrodes, and the first part of second strip electrode is in institute
The orthographic projection for stating array substrate is located at described two mutually independent public electrodes respectively in the positive throwing of the array substrate
Between shadow；
The array substrate further includes multiple first conductor blocks；
The public electrode between two second strip electrodes adjacent along scanning line direction passes through first conductor
Block electrical connection.
8. array substrate according to claim 7, it is characterised in that:
The public electrode being electrically connected with the first conductor block is by being formed between first conductor block and public electrode wire
Via hole be electrically connected with the public electrode wire.
9. array substrate according to claim 8, it is characterised in that:
The array substrate further includes multiple second conductor blocks；
First connecting portion and each second conductor block in each pixel electrode by be formed in the first connecting portion and
The second via hole electrical connection between second conductor block；
Wherein, orthographic projection and second conductor block that is electrically connected of the first connecting portion to the array substrate are to institute
The orthographic projection for stating array substrate is at least partly overlapped.
10. array substrate according to claim 9, it is characterised in that:
The array substrate further includes multiple third conductor blocks；
Orthographic projection and one of them described second conductor block of each third conductor block to the array substrate are to the array
The orthographic projection of substrate is at least partly overlapped；
Each third conductor block is arranged and is electrically connected with the public electrode wire same layer.
11. array substrate according to claim 9 or 10, it is characterised in that: each institute in the thin film transistor (TFT) array
Second pole for stating thin film transistor (TFT) is electrically connected with the second conductor block described in one of them.
12. a kind of liquid crystal display panel, including array substrate as claimed in any one of claims 1 to 6, or including such as right
It is required that array substrate described in 7-11 any one；
The color membrane substrates being oppositely arranged with the array substrate, and be formed between the array substrate and the color membrane substrates
Liquid crystal layer.
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| CN201610514146.7A CN105929610B (en) | 2016-07-01 | 2016-07-01 | A kind of array substrate and the liquid crystal display panel including it |
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| CN106773378B (en) * | 2017-01-20 | 2019-10-01 | 京东方科技集团股份有限公司 | Array substrate and preparation method thereof, display panel and display device |
| CN107153309B (en) * | 2017-07-18 | 2020-06-05 | 深圳市华星光电技术有限公司 | Array substrate, liquid crystal panel and display device |
| TWI630445B (en) * | 2017-08-21 | 2018-07-21 | 友達光電股份有限公司 | Active device substrate |
| TWI685828B (en) * | 2019-01-03 | 2020-02-21 | 友達光電股份有限公司 | Display apparatus |
| CN110174787B (en) * | 2019-05-06 | 2021-11-30 | 惠科股份有限公司 | Array substrate, manufacturing method thereof and display device |
| CN115963664A (en) * | 2020-02-26 | 2023-04-14 | 京东方科技集团股份有限公司 | Array substrate, mask plate and display panel |
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| JP5782676B2 (en) * | 2010-03-10 | 2015-09-24 | セイコーエプソン株式会社 | Electro-optical device, electronic apparatus, and method of manufacturing electro-optical device |
| TWI453516B (en) * | 2011-07-13 | 2014-09-21 | Au Optronics Corp | Pixel structure and method of making the same |
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| TW200422695A (en) * | 2003-04-17 | 2004-11-01 | Au Optronics Corp | In-plane switching mode liquid crystal display |
| CN104375341A (en) * | 2014-11-18 | 2015-02-25 | 深圳市华星光电技术有限公司 | Array substrate and liquid crystal display panel |
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