CN107861305A - Display base plate, display panel and display device - Google Patents

Display base plate, display panel and display device Download PDF

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Publication number
CN107861305A
CN107861305A CN201711224426.5A CN201711224426A CN107861305A CN 107861305 A CN107861305 A CN 107861305A CN 201711224426 A CN201711224426 A CN 201711224426A CN 107861305 A CN107861305 A CN 107861305A
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CN
China
Prior art keywords
pixel
base plate
display
hollow
pixel electrode
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Granted
Application number
CN201711224426.5A
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Chinese (zh)
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CN107861305B (en
Inventor
许文钦
席克瑞
周安
周一安
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Shanghai Tianma Microelectronics Co Ltd
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Shanghai Tianma Microelectronics Co Ltd
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Priority to CN201711224426.5A priority Critical patent/CN107861305B/en
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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 
    • G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
    • G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
    • G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel

Abstract

The invention discloses a kind of display base plate, display panel and display device, belongs to display technology field, including：The a plurality of gate line for extending in a first direction, arranging in a second direction, a plurality of data wire for extending in a second direction, arranging in the first direction；Multiple pixels, pixel include pixel switch and pixel electrode；The grid of pixel switch electrically connects with gate line, the first pole of pixel switch and data wire electrical connection, the second pole of pixel switch and pixel electrode electrical connection；Pixel electrode includes at least one hollow-out parts, and hollow-out parts overlap with the region where pixel switch.Be advantageous to by the more homogeneous of the distance between two adjacent pixel electrodes setting, be advantageous to the homogeneity for lifting display picture, improve display quality.

Description

Display base plate, display panel and display device
Technical field
The present invention relates to display technology field, more particularly, to a kind of display base plate, display panel and display device.
Background technology
Display panel is widely used in life.At present, the display panel of electronic paper type is due to tool There is low in energy consumption, eyeshield, obtained more universal application.
The display panel of electronic paper type includes pixel electrode, public electrode, electrophoresis particle layer, is wrapped in electrophoresis particle layer Include electrophoresis particle.When pixel electrode and public electrode apply appropriate voltage, electric field is formed between pixel electrode and public electrode, The position moved by electric field controls electrophoresis particle, the reflection feelings of display panel extraneous light are controlled by the position of electrophoresis particle Condition, so as to realize required brightness to show the picture of different GTGs.
At present, the display panel of electronic paper type is driven using the type of drive of active matrix more.Specifically, it please join Fig. 1 is examined, Fig. 1 is a kind of partial structural diagram for display panel that prior art provides.In the prior art, display panel bag Gate line 01, data wire 02, pixel electrode 03, driving switch 04 are included, pixel electrode 03 passes through electrode via 05 and driving switch 04 electrical connection.Gate line 01 transmits signal and is used to open driving switch 04, and the data-signal that data wire 02 transmits passes through Driving switch 04 is transmitted to pixel electrode 03.Wherein, pixel electrode 03 has multiple, and public electrode (not illustrated in figure) is whole face Set.
In the prior art, it is overlapping with driving switch 04 to avoid to be designed as special shape for pixel electrode 03, is driving Pixel electrode 03 is not provided with region where switch 04.This is done to prevent shape in pixel electrode 03 and driving switch 04 Into the electric field of capacitive effect pixel electrode 03, and also to avoid the service behaviour of the influence driving switch 04 of pixel electrode 03.
But the display panel that prior art provides, display picture homogeneity is poor, and display quality is relatively low.
The content of the invention
In view of this, the invention provides a kind of display base plate, display panel and display device.
On the one hand, the invention provides a kind of display base plate, including：It is a plurality of to extend in a first direction, arrange in a second direction The gate line of row, a plurality of data wire for extending in a second direction, arranging in the first direction；Multiple pixels, pixel are opened including pixel Pass and pixel electrode；The grid of pixel switch electrically connects with gate line, the first pole of pixel switch and data wire electrical connection, pixel Second pole of switch and pixel electrode electrical connection；Pixel electrode includes at least one hollow-out parts, hollow-out parts and pixel switch place Region overlap.
On the other hand, present invention also offers a kind of display panel, including display base plate provided by the invention.
Another aspect, present invention also offers a kind of display device, including display panel provided by the invention.
Compared with prior art, display base plate provided by the invention, display panel and display device, at least realize as follows Beneficial effect：
In display base plate provided by the invention, display panel and display device, pixel electrode includes at least one hollow-out parts, Hollow-out parts overlap with the region where pixel switch.In other words, pixel switch is located at the area that the outward flange of pixel electrode is formed Inside domain, pixel electrode is provided with around the region where pixel switch., can be without electric by pixel relative to prior art The outward flange of pole is arranged to special shape to avoid the region where pixel switch.Also, hollow-out parts can reduce pixel electricity Electric capacity between pole and pixel switch, reduce influence of the pixel electrode for the service behaviour of pixel switch.So as to be advantageous to by The distance between two adjacent pixel electrodes are set more homogeneous, are advantageous to be lifted the homogeneity of display picture, are improved aobvious Show quality.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its Advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiments of the invention, and even It is used for the principle for explaining the present invention together with its explanation.
Fig. 1 is a kind of partial structural diagram for display panel that prior art provides；
Fig. 2 is a kind of structural representation of display base plate provided in an embodiment of the present invention；
Fig. 3 is the partial structural diagram of another display base plate provided in an embodiment of the present invention；
Fig. 4 is the partial structural diagram of another display base plate provided in an embodiment of the present invention；
Fig. 5 is the partial structural diagram of another display base plate provided in an embodiment of the present invention；
Fig. 6 is the partial structural diagram of another display base plate provided in an embodiment of the present invention；
Fig. 7 is the cross-sectional view of the AA ' lines along Fig. 6；
Fig. 8 is a kind of partial structural diagram of display panel provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation of display device provided in an embodiment of the present invention.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless have in addition Body illustrates that the unlimited system of part and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally The scope of invention.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Please continue to refer to Fig. 1, research staff has found, due to being not provided with pixel electrode in the region where driving switch 04 03, it is not homogeneous that can so cause the distance between two adjacent pixel electrodes 03, for example, two adjacent pixel electrodes The distance between 03 smaller part is L1, and the opening position in neighbouring driving switch 04 is in larger distance, is L2.It can so cause driving Region where dynamic switch 04, the electric field between pixel electrode 03 and public electrode weaken, and can not effectively drive electrophoresis particle, It is poor thus to cause display panel homogeneity, have impact on display quality.
Fig. 2 is refer to, present embodiments provides a kind of display base plate, including：A plurality of x in the first direction extension, along second The gate line 10 of direction y arrangements, a plurality of extensions of y in a second direction, the data wire 20 of x arrangements in the first direction；Multiple pixels 30, Pixel 30 includes pixel switch 31 and pixel electrode 32；The grid 35 of pixel switch 31 electrically connects with gate line 10, pixel switch 31 the first pole 33 and data wire 20 electrically connect, and the second pole 34 of pixel switch 31 and pixel electrode 32 electrically connect；Pixel electrode 32 include at least one hollow-out parts 40, and hollow-out parts 40 overlap with the region where pixel switch 31.
The display base plate that the present embodiment provides has display function, and multiple pixels 30 are used for display image information.
In the display base plate that the present embodiment provides, the quantity of gate line 10 is that a plurality of, data wire 20 quantity is a plurality of, figure The technical scheme that 2 quantity for only illustrating gate line 10 are 3, the quantity of data wire 20 is 3.It is understood that grid Line 10, the quantity of data wire 20 can be configured the present embodiment according to the specific design demand of display base plate and this not made specifically Limitation.Wherein, gate line 10 in the first direction x, y is arranged in a second direction, data wire 20 in a second direction y extensions, along first Direction x is arranged, and first direction x and in a second direction y intersect.Optionally, first direction x and second direction y are vertical.
Gate line 10 and the transposition insulator of data wire 20 define the region where pixel 30, wherein, pixel 30 can show Show image information.Pixel 30 includes pixel switch 31 and pixel electrode 32, and in addition, pixel 30 can also include public electrode Structures such as (not illustrated in figure), the present embodiment are not specifically limited to this.
The grid 35 of pixel switch 31 electrically connects with gate line 10, and the first pole 33 of pixel switch 31 and data wire 20 are electrically connected Connect, the second pole 34 of pixel switch 31 and pixel electrode 32 electrically connect.Optionally, pixel electrode 32 is opened by via 36 and pixel Second pole 34 of pass 31 electrically connects.At work, gate line 10 transmits signal and is used to beat pixel switch 31 display base plate Open, the data-signal that data wire 20 transmits is transmitted to pixel electrode 32 by pixel switch 31.Pixel electrode 32 receives data letter Number, for realizing display function.
In the display base plate that the present embodiment provides, pixel electrode 32 includes at least one hollow-out parts 40, hollow-out parts 40 and picture Region where element switch 31 overlaps.Wherein, hollow-out parts 40 are arranged on inside the region that the outward flange of pixel electrode 32 is formed, The surrounding of hollow-out parts 40 is surrounded by pixel electrode 32.In other words, at least part pixel switch 31 is arranged on the outside of pixel electrode 32 Inside the region that edge is formed, and surrounded around the region where at least part pixel switch 31 by pixel electrode 32.Due to inciting somebody to action Inside the region that the outward flange that at least part pixel switch 31 is arranged on pixel electrode 32 is formed, therefore can be without by pixel The outward flange of electrode is arranged to special shape to avoid the region where pixel switch.For example, the display base plate shown in Fig. 2 In, pixel electrode 32 is quadrangle, and the distance between adjacent two pixel electrodes 32 D is more homogeneous, pixel electrode 32 and public affairs Common electrode formation electric field is also more homogeneous, relative to prior art, can lift the homogeneity of display picture, improve display product Matter.
Also, because hollow-out parts 40 and the region where pixel switch 31 overlap, pixel electrode 32 and pixel can be reduced Electric capacity between switch 31, can also reduce influence of the pixel electrode 32 to the service behaviour of pixel switch 31.
In the display base plate of Fig. 2 signals, the technical scheme of a hollow-out parts 40, optionally, hollow-out parts 40 are only illustrated Quantity can be two or more, and the present embodiment is not specifically limited to this.
In display base plate provided by the invention, display panel and display device, pixel electrode includes at least one hollow-out parts, Hollow-out parts overlap with the region where pixel switch.In other words, pixel switch is located at the area that the outward flange of pixel electrode is formed Inside domain, pixel electrode is provided with around the region where pixel switch., can be without electric by pixel relative to prior art The outward flange of pole is arranged to special shape to avoid the region where pixel switch.Also, hollow-out parts can reduce pixel electricity Electric capacity between pole and pixel switch, reduce influence of the pixel electrode for the service behaviour of pixel switch.So as to be advantageous to by The distance between two adjacent pixel electrodes are set more homogeneous, are advantageous to be lifted the homogeneity of display picture, are improved aobvious Show quality.
In some optional embodiments, Fig. 3 is refer to, Fig. 3 has continued to use Fig. 2 reference, and something in common is no longer superfluous State.In the present embodiment, the center in the region that the outward flange of pixel electrode 32 is formed is the first center P1, where pixel switch 31 The first center of region overlay P1.In the present embodiment, center refers to the symmetrical centre of figure.If for example, pixel electrode 32 The region that outward flange is formed is rectangle, then the first center P1 is cornerwise intersection point of rectangle；If for example, pixel electrode 32 The region that is formed of outward flange be circle, then the first center P1 is the circular center of circle.Pixel switch 31 is arranged on covering first Center P1 opening position, it is, near the center in the region that the outward flange that pixel switch 31 is located at pixel electrode 32 is formed. Accordingly, vacancy section 40 can be arranged on the first center P1 of covering opening position, be, vacancy section 40 is located at pixel electrode 32 Near the center in the region that outward flange is formed, can be lifted pixel electrode 32 around vacancy section 40 width it is homogeneous Property.Specifically, for example, the pixel electrode 32 of the first side of vacancy section 40 x in the first direction thickness is L1, the of vacancy section 40 The pixel electrode 32 of two sides x in the first direction thickness is L2, the pixel electrode 32 of the 3rd side of vacancy section 40 y in a second direction Thickness be L3, the pixel electrode 32 of the 4th side of vacancy section 40 y in a second direction thickness is L4.Vacancy section 40 is located at pixel Near the center in the region that the outward flange of electrode 32 is formed, be advantageous to be closer to L1 and L2 numerical value, L3 and L4's Numerical value is closer to, and can as lift the homogeneity of the width of pixel electrode 32 around vacancy section 40.So as to further Make pixel electrode 32 and public electrode formation electric field more homogeneous, lift the homogeneity of display picture, improve display quality.
In some optional embodiments, Fig. 4 is refer to, Fig. 4 has continued to use Fig. 2 reference, and something in common is no longer superfluous State.In the present embodiment, the distance between x, the pixel electrode 32 of adjacent two pixels 30 is d1 in the first direction, 6 μm≤ d1≤50μm.In the display base plate that the present embodiment provides, d1 numerical value is unsuitable excessive, and two adjacent pictures can be caused more than 50 μm Electric field between the pixel electrode 32 of element 30 is weaker, occurs display exception herein, and is unfavorable for being lifted the resolution of display base plate Rate；D1 numerical value is unsuitable too small, can cause to set the space of data wire 20 too small less than 6 μm, may make data wire 20 and picture Plain electrode 32 is overlapping, produces electric capacity therebetween, influences the service behaviour of data wire 20 and pixel electrode 32.In the present embodiment, Set the distance between the pixel electrode 32 of two pixels 30 adjacent on x in a first direction identical, be d1, be advantageous to be lifted The homogeneity of display picture, improve display quality.
In some optional embodiments, please continue to refer to Fig. 4, y in a second direction, the pixel of adjacent two pixels 30 The distance between electrode 32 is d2,6 μm≤d2≤50 μm.In the display base plate that the present embodiment provides, d2 numerical value should not mistake Greatly, it can cause the electric field between the pixel electrode 32 of two adjacent pixels 30 weaker more than 50 μm, occur display exception herein, And it is unfavorable for being lifted the resolution ratio of display base plate；D2 numerical value is unsuitable too small, and the sky for setting gate line 10 can be caused less than 6 μm Between it is too small, gate line 10 and pixel electrode 32 may be made overlapping, produce electric capacity therebetween, influence gate line 10 and pixel electricity The service behaviour of pole 32.In the present embodiment, it is arranged between the pixel electrode 32 of two pixels 30 adjacent on second direction y It is d2 apart from identical, is advantageous to be lifted the homogeneity of display picture, improves display quality.
In some optional embodiments, Fig. 5 is refer to, Fig. 5 has continued to use Fig. 2 reference, and something in common is no longer superfluous State.In the present embodiment, the grid 35 of pixel switch 31 is electrically connected by first connecting portion 51 with gate line 10, pixel switch 31 First pole 33 is electrically connected by second connecting portion 52 with data wire 20；At least one hollow-out parts 40 include the first hollow-out parts 401, the One hollow-out parts 401 overlap with the part of first connecting portion 51, and the first hollow-out parts 401 overlap with the part of second connecting portion 52.This reality In the display base plate that example offer is provided, pixel switch 31 is arranged on inside the region that the outward flange of pixel electrode 32 formed, if First connecting portion 51 and second connecting portion 52 are put, transmitting grid to the grid 35 of pixel switch 31 by first connecting portion 51 believes Number, data-signal is transmitted to the first pole 33 of pixel switch 31 by second connecting portion 52.
Also, set the first hollow-out parts 401 and the only part of first connecting portion 51 overlapping, be advantageous to reduce the He of pixel electrode 32 Electric capacity between first connecting portion 51, be advantageous to be lifted the service behaviour of pixel electrode 32 and gate line 10；First hollow out is set Portion 401 and the only part of second connecting portion 52 are overlapping, are advantageous to reduce the electric capacity between pixel electrode 32 and second connecting portion 52, have Beneficial to the service behaviour of lifting pixel electrode 32 and data wire 20.
It should be noted that in order to clearly illustrate the technical scheme of the present embodiment, in Fig. 5, pixel electrode 32 is not set Filling pattern is put, is only illustrated with wire frame.
In some optional embodiments, Fig. 6 and Fig. 7 refer to, in the present embodiment, pixel switch 31 is double-gate structure； The grid of pixel switch 31 includes the first sub- 351 and second sub- grid 352 of grid, and pixel switch 31 also includes the first semiconductor portion 371st, the second semiconductor portion 372, the 3rd pole 38；Wherein, the first sub- 351 and second sub- grid 352 of grid is and first connecting portion 51 electrical connections；First semiconductor portion 371 and the first sub- grid 351 are overlapping, and the second semiconductor portion 372 and the second sub- grid 352 are handed over Folded 352；First pole 33 and the part of the first semiconductor portion 371 overlap, the 3rd pole 38 and the part of the first semiconductor portion 371 it is overlapping and 3rd pole 38 and the part of the second semiconductor portion 372 overlap, and the second pole 34 and the part of the second semiconductor portion 372 overlap.Single grid structure Pixel switch in the case of higher operating voltage difference leakage current be consequently increased, and the pixel switch 31 of double-gate structure exists Less leakage current still can be kept in the case of higher operating voltage difference.Therefore, the display base plate that the present embodiment provides In, pixel switch 31 is double-gate structure, can reduce the leakage current of pixel switch 31, lifts the service behaviour of display base plate.Can Choosing, when in the display panel that display base plate is applied to electronic paper type, driving electrophoresis particle is needed by pixel switch 31 Higher voltage difference is transmitted to pixel electrode 32, the pixel switch 31 of double-gate structure can be in the situation of higher operating voltage difference It is lower to keep less leakage current, be advantageous to be applied to display base plate in the display panel of electronic paper type.For example, common liquid crystals Maximal pressure is+5V when display panel works, and minimal pressure is -5V, and its operating voltage difference is 10V；And electronic paper type display panel Maximal pressure is+15V during work, and minimal pressure is -15V, and its operating voltage difference is 30V.
Optionally, please continue to refer to Fig. 6 and Fig. 7, pixel 30 also includes storage capacitance C, storage capacitance C the first pole plate 11 Set with gate line 10 using same material with layer, storage capacitance C the second pole plate 12 makes with the second pole 34 of pixel switch 31 Set with same material with layer, storage capacitance C the second pole plate 12 can electrically connect with the second pole 34 of pixel switch 31.
In some optional embodiments, please continue to refer to Fig. 6, the y in a second direction of first connecting portion 51 length is a1, The x in the first direction of second connecting portion 52 length is a2, a2 ＜ a1.Optionally, array base palte at work, is showing frame picture , it is necessary to refresh multirow pixel 30 successively during face, in the present embodiment, multiple pixels 30 of x arrangements are one in the first direction Individual pixel column.Specifically, gate line 10 receives signal successively, pixel switch 31 is opened line by line.Per a line pixel switch 31 During opening, data wire 20 transmits data-signal to corresponding pixel electrode 32 by pixel switch 31, completes one-row pixels 30 Refreshing.Therefore, during a frame picture is shown, every gate line 10 receives a signal, and per data line 20 need to transmit multiple data-signal.
In the pixel 30 electrically connected with same data line 20, no matter whether its pixel switch 32 is opened, pixel switch 32 The first pole 33 can receive data-signal.In other words, in the course of the work, in the time of a frame, first connects array base palte The time ratios that the time of the reception signal of socket part 51 accounts for a frame are reciprocal for number of scanning lines purpose, and second connecting portion 52 can receive always Data-signal.For example, for M bars scan line, the display panel of N data lines, in the picture of a frame, first connecting portion 51 receives The time of signal is the 1/M of a frame time, and second connecting portion 52 then can reception signal always.Second connecting portion 52 receives data Meeting and the pixel electrode 32 overlapping with it produce electric capacity after signal, influence the voltage of pixel electrode 32.It should be noted that one In a little display panels, in the n-th frame time, a part of data wire reception signal；In the (n+1)th frame time, another part data Line reception signal；The example above explanation in, using data wire corresponding to second connecting portion 52 the frame time reception signal as Example.
For the pixel column for having completed to refresh, the voltage of the pixel electrode 32 in its pixel 30 is more stable, pixel The picture of 30 displays is more stable, and display quality is higher.And due to the reception data-signal of second connecting portion more than 52 times, can influence and its The voltage of overlapping pixel electrode 32, display picture is unstable, fluctuates so as to causing, and influences display quality.
In the present embodiment, set the x in the first direction of second connecting portion 52 length shorter, second connecting portion 52 can be reduced Electric capacity between the pixel electrode 32 overlapping with it, so as to be advantageous to lift the stability of display picture, lift display quality.
In some optional embodiments, please continue to refer to Fig. 6, at least one hollow-out parts 40 include the first sub- hollow-out parts 41 With the second sub- hollow-out parts 42, pixel electrode 32 includes the strip electricity between the first sub- 41 and second sub- hollow-out parts 42 of hollow-out parts Pole portion 43, strip shaped electric poles portion 43 overlap with the region where pixel switch 31.Because the region where pixel switch 31 may be compared with Greatly, if only setting a hollow-out parts, the electric field of hollow-out parts correspondence position may be made weaker, the display base that the present embodiment provides In plate, there is provided two hollow-out parts, the respectively first sub- 41 and second sub- hollow-out parts 42 of hollow-out parts, and bar is provided therebetween Shape electrode portion 43, electric field can be avoided weaker in hollow-out parts correspondence position, ensure the homogeneity of the display of display base plate, lifting shows Show quality.It is understood that the size in strip shaped electric poles portion 43, position can be carried out according to the specific setting demand of display base plate Set, the present embodiment is not specifically limited to this.Optionally, when the region where pixel switch 31 is excessive, can also set Multiple hollow-out parts and two or more strip shaped electric poles portion 43, the present embodiment is not specifically limited to this.
In some optional embodiments, the region that the outward flange of pixel electrode 32 is formed is rectangle.It is optional at other Implementation in, the region that the outward flange of pixel electrode 32 is formed can be parallelogram or circle in addition to rectangle Angular moment shape.
The invention provides a kind of display panel, including the display base plate that any of the above-described embodiment of the present invention provides.Specifically , Fig. 8 is refer to, display panel provided by the invention includes display base plate 100 provided by the invention.Display provided by the invention Panel has the beneficial effect of display base plate provided by the invention, and the present embodiment will not be repeated here.Optionally, display panel bag Counter substrate 200 is included, display base plate 100 is oppositely arranged with counter substrate 200；Display panel also includes being held and mounted on display base Electrophoresis particle layer 300 between plate 100 and counter substrate 200.Optionally, public electrode 201 is provided with counter substrate 200, Public electrode 201 and pixel electrode 32 form electric field, for controlling the electrophoresis particle in electrophoresis particle layer 300 to move.
Present invention also offers a kind of display device, including the display panel that any of the above-described embodiment of the present invention provides.Tool Body, Fig. 9 is refer to, Fig. 9 is a kind of structural representation of display device provided in an embodiment of the present invention.The display that Fig. 9 is provided Device 1000 includes the display panel 1001 that any of the above-described embodiment of the present invention provides.Optionally, display device 1000 also includes Housing 1002.Fig. 9 embodiments illustrate only by taking tablet personal computer as an example to display device 1000, it is to be understood that the present invention Embodiment provide display device, can be mobile phone, TV, display device for mounting on vehicle etc. other have display function display fill Put, the present invention is not specifically limited to this.Display device provided in an embodiment of the present invention, have provided in an embodiment of the present invention aobvious Show the beneficial effect of panel, specifically may be referred to the various embodiments described above illustrating for display panel, the present embodiment is herein Repeat no more.
By above-described embodiment, display base plate, display panel and display device provided by the invention, at least realize Following beneficial effect：
In display base plate provided by the invention, display panel and display device, pixel electrode includes at least one hollow-out parts, Hollow-out parts overlap with the region where pixel switch.In other words, pixel switch is located at the area that the outward flange of pixel electrode is formed Inside domain, pixel electrode is provided with around the region where pixel switch., can be without electric by pixel relative to prior art The outward flange of pole is arranged to special shape to avoid the region where pixel switch.Also, hollow-out parts can reduce pixel electricity Electric capacity between pole and pixel switch, reduce influence of the pixel electrode for the service behaviour of pixel switch.So as to be advantageous to by The distance between two adjacent pixel electrodes are set more homogeneous, are advantageous to be lifted the homogeneity of display picture, are improved aobvious Show quality.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area Art personnel it should be understood that example above merely to illustrating, the scope being not intended to be limiting of the invention.The skill of this area Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair Bright scope is defined by the following claims.

Claims (12)

  1. A kind of 1. display base plate, it is characterised in that including：
    The a plurality of gate line for extending in a first direction, arranging in a second direction, it is a plurality of along second direction extension, along described the The data wire of one direction arrangement；
    Multiple pixels, the pixel include pixel switch and pixel electrode；
    The grid of the pixel switch electrically connects with the gate line, and the first pole of the pixel switch and the data wire are electrically connected Connect, the second pole of the pixel switch and pixel electrode electrical connection；
    The pixel electrode includes at least one hollow-out parts, and the hollow-out parts overlap with the region where the pixel switch.
  2. 2. display base plate according to claim 1, it is characterised in that
    The center in the region that the outward flange of the pixel electrode is formed is the first center, and the region where the pixel switch is covered Cover first center.
  3. 3. display base plate according to claim 1, it is characterised in that
    Along the first direction, the distance between described pixel electrode of adjacent two pixels is d1,6 μm≤d1≤ 50μm。
  4. 4. display base plate according to claim 1, it is characterised in that
    Along the second direction, the distance between described pixel electrode of adjacent two pixels is d2,6 μm≤d2≤ 50μm。
  5. 5. display base plate according to claim 1, it is characterised in that
    The grid of the pixel switch is electrically connected by first connecting portion with the gate line, the pixel switch it is described First pole is electrically connected by second connecting portion with the data wire；
    At least one hollow-out parts include the first hollow-out parts, and first hollow-out parts overlap with the first connecting portion part, And first hollow-out parts overlap with the second connecting portion part.
  6. 6. display base plate according to claim 5, it is characterised in that
    Length of the first connecting portion along the second direction is a1, length of the second connecting portion along the first direction For a2, a2 ＜ a1.
  7. 7. display base plate according to claim 5, it is characterised in that
    The pixel switch is double-gate structure；The grid of the pixel switch includes the first sub- grid and the second sub- grid, The pixel switch also includes the first semiconductor portion, the second semiconductor portion, the 3rd pole；Wherein,
    The first sub- grid and the second sub- grid electrically connect with the first connecting portion；
    First semiconductor portion and the first sub- grid are overlapped, and second semiconductor portion and the second sub- grid are handed over It is folded；
    First pole and the first semiconductor portion part are overlapped, and the 3rd pole and the first semiconductor portion part are handed over Folded and the 3rd pole and the second semiconductor portion part are overlapped, and second pole and the second semiconductor portion part are handed over It is folded.
  8. 8. display base plate according to claim 1, it is characterised in that
    At least one hollow-out parts include the first sub- hollow-out parts and the second sub- hollow-out parts, and the pixel electrode is included positioned at described Strip shaped electric poles portion between first sub- hollow-out parts and the second sub- hollow-out parts, the strip shaped electric poles portion and the pixel switch institute Region overlap.
  9. 9. display base plate according to claim 1, it is characterised in that
    The region that the outward flange of the pixel electrode is formed is rectangle.
  10. 10. a kind of display panel, it is characterised in that including the display base plate according to claim any one of 1-9.
  11. 11. display panel according to claim 1, it is characterised in that
    The display panel includes counter substrate, and the display base plate is oppositely arranged with the counter substrate；
    The display panel also includes the electrophoresis particle layer being held and mounted between the display base plate and the counter substrate.
  12. 12. a kind of display device, it is characterised in that including the display panel according to claim 10 or 11.
CN201711224426.5A 2017-11-29 2017-11-29 Display substrate, display panel and display device Active CN107861305B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990058889A (en) * 1997-12-30 1999-07-26 구자홍 Transverse electric field liquid crystal display device
US20050128401A1 (en) * 2003-12-12 2005-06-16 Lg Philips Lcd Co., Ltd. Fringe field switching mode liquid crystal display device and method of fabricating the same
JP2007017756A (en) * 2005-07-08 2007-01-25 Sharp Corp Liquid crystal display device
CN101165579A (en) * 2006-10-16 2008-04-23 Lg.菲利浦Lcd株式会社 Array substrate for liquid crystal display device and method of fabricating the same
CN101504500A (en) * 2008-02-04 2009-08-12 北京京东方光电科技有限公司 Image element structure of thin-film transistor LCD array substrates
CN101697054A (en) * 2009-06-12 2010-04-21 友达光电股份有限公司 A pixel design for a liquid crystal display capable of increasing opening rate

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990058889A (en) * 1997-12-30 1999-07-26 구자홍 Transverse electric field liquid crystal display device
US20050128401A1 (en) * 2003-12-12 2005-06-16 Lg Philips Lcd Co., Ltd. Fringe field switching mode liquid crystal display device and method of fabricating the same
JP2007017756A (en) * 2005-07-08 2007-01-25 Sharp Corp Liquid crystal display device
CN101165579A (en) * 2006-10-16 2008-04-23 Lg.菲利浦Lcd株式会社 Array substrate for liquid crystal display device and method of fabricating the same
CN101504500A (en) * 2008-02-04 2009-08-12 北京京东方光电科技有限公司 Image element structure of thin-film transistor LCD array substrates
CN101697054A (en) * 2009-06-12 2010-04-21 友达光电股份有限公司 A pixel design for a liquid crystal display capable of increasing opening rate

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