CN105607362A - Shifting register unit, grid driving circuit and display base plate - Google Patents
Shifting register unit, grid driving circuit and display base plate Download PDFInfo
- Publication number
- CN105607362A CN105607362A CN201610005439.2A CN201610005439A CN105607362A CN 105607362 A CN105607362 A CN 105607362A CN 201610005439 A CN201610005439 A CN 201610005439A CN 105607362 A CN105607362 A CN 105607362A
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- shift register
- electrode
- register cell
- base plate
- module
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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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/28—Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a shifting register unit, a grid driving circuit and a display base plate, relates to the technical field of display, and aims to solve the problems that a relatively large space is occupied by the shifting register unit and frame narrowing development is prevented as a capacitor in an energy storage module in the shifting register unit is relatively large. The shifting register unit comprises an input module, a reset module, an output module and a capacitor as an energy storage module, wherein the input module, the reset module and the output module are all positioned in a non-display area of the display base plate; the capacitor is positioned in a display area of the display base plate; the capacitor comprises a first electrode and a second electrode; the first electrode is a grid line positioned in the display area of an array base plate; the second electrode is an electrode lead opposite to the first electrode; the electrode lead is connected with a pull-up node in the shifting register unit through a connecting lead. The shifting register unit disclosed by the invention is used for displaying a driving signal provided by the base plate.
Description
Technical field
The present invention relates to Display Technique field, relate in particular to a kind of shift register cell, grid driving electricityRoad and display base plate.
Background technology
Along with the development of Display Technique, increasing display unit adopts the capable driving of array base palte(GateOnArray, hereinafter to be referred as GOA) technology, this GOA technology is directly grid to be drivenCircuit is integrated on the non-display area of array base palte, has dwindled to a great extent the frame of array base palteWidth; And this GOA technology is owing to having avoided gate driver circuit by flexible connecting member and battle arrayRow substrate is connected, and just makes display unit in manufacturing process, reduce corresponding manufacture craft, has promotedThe production capacity of enterprise.
At present, refer to Fig. 1, gate driver circuit is generally made up of some shift register cells, and everyEnergy-storage module part in individual shift register cell includes and is connected with the grid line 2 on array base palteStorage capacitor 1, because the area of this storage capacitor 1 is relatively large, takies shift register cellLarger space, be unfavorable for the development of the narrow frame of array base palte.
Summary of the invention
The object of the present invention is to provide a kind of shift register cell, gate driver circuit and display base plate,It is larger for solving the area of the electric capacity included due to the energy-storage module part of shift register cell,The shift register cell causing has taken larger space, is unfavorable for the problem of narrow frameization development.
To achieve these goals, the invention provides following technical scheme:
A kind of shift register cell, described shift register cell is located on display base plate, described displacementRegister cell comprises: input module, reseting module, output module and the electric capacity as energy-storage module;Wherein, described input module, described reseting module and described output module are all positioned at described display base plateNon-display area, described electric capacity is positioned at the viewing area of described display base plate; Described electric capacity comprises firstElectrode and the second electrode, described the first electrode is a grid line that is arranged in the viewing area of array base palte,Described grid line is connected with the output of described shift register cell; Described the second electrode is and described firstThe contact conductor that electrode is relative, described contact conductor is by connecting lead wire and described shift register cellUpper drawknot point be connected.
The present invention also provides a kind of gate driver circuit, comprises some above-mentioned shift register cells.
The present invention also provides a kind of display base plate, comprises above-mentioned gate driver circuit.
Compared with prior art, beneficial effect of the present invention is:
In shift register cell provided by the invention, due to the first electrode of the electric capacity as energy-storage moduleBe connected with the output of shift register cell, and the output of shift register cell directly be positioned at battle arrayGrid line on the viewing area of row substrate is connected; Upper in the second electrode of electric capacity and shift register cellDrawknot point is connected; Therefore,, when electric capacity is incorporated into the viewing area of display base plate, can array will be positioned atA grid line in the viewing area of substrate is directly as the first electrode of electric capacity; Again by arranging and firstThe contact conductor that electrode is relative is used as the second electrode of electric capacity, by the second electrode by connecting lead wire with moveUpper drawknot point in bit register unit is connected, and has realized the non-display area from display base plate by electric capacityMove on to the viewing area of display base plate; Connected mode while being located at the viewing area of display base plate due to electric capacity,Identical with its connected mode of non-display area that is located at display base plate, the function that electric capacity has is notChange, when the function that has ensured electric capacity does not change, by electric capacity by display base plateNon-display area be integrated in the viewing area of display base plate, reduced the shared space of shift register,Make display base plate can realize the design of narrower frame.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms one of the present inventionPoint, schematic description and description of the present invention is used for explaining the present invention, does not form of the present inventionImproper restriction. In the accompanying drawings:
Fig. 1 is the schematic diagram that in prior art, storage capacitor is positioned at the non-display area of display base plate;
The shift register cell that Fig. 2 provides for the embodiment of the present invention and the signal of the position relationship of display base plateFigure;
Fig. 3 is the enlarged diagram of A portion structure in Fig. 2.
Reference numeral:
1-storage capacitor, 2-grid line,
3-contact conductor, 4-connecting lead wire,
5-via hole, 6-output module,
The viewing area of 7-display base plate, the non-display area of 8-display base plate.
Detailed description of the invention
For further illustrate shift register cell that the embodiment of the present invention provides, gate driver circuit andDisplay base plate, is described in detail below in conjunction with Figure of description.
Refer to Fig. 2 and Fig. 3, in the shift register cell that the embodiment of the present invention provides, shift registerUnit is located on display base plate, and shift register cell comprises: input module, reseting module, output mouldPiece 6 and as the electric capacity of energy-storage module; Wherein, input module, reseting module and output module 6 are equalBe positioned at the non-display area 8 of display base plate, electric capacity is positioned at the viewing area 7 of display base plate; Electric capacity comprisesOne electrode and the second electrode, the first electrode is a grid line 2 that is arranged in the viewing area of array base palte, gridLine 2 is connected with the output of shift register cell; The second electrode is that the electrode relative with the first electrode drawsLine 3, contact conductor 3 is connected with the upper drawknot point in shift register cell by connecting lead wire 4.
Above-mentioned shift register cell, in the time of work, provides the first row sweep signal extremely successively by input moduleI line scan signals (i is more than or equal to 1 integer), when the first row sweep signal drives and the first rowWhen output module 6 corresponding to sweep signal, the first row sweep signal is the second line scan signals correspondence simultaneouslyEnergy-storage module charge, and when second line scan signals arrive time, the second line scan signals is correspondingEnergy-storage module is opened the output module corresponding with the second line scan signals 6, to make the second line scanning letterNumber drive the output module 6 corresponding with the second line scan signals, the second line scan signals control simultaneously resets singlyUnit resets to the upper drawknot point corresponding with the first row sweep signal, to close the first row sweep signal pairThe output module 6 of answering, and the second line scan signals is also energy storage mould corresponding to the third line sweep signal simultaneouslyPiece charges; By that analogy, complete the driving of each line scan signals to output module 6.
In the shift register cell that the embodiment of the present invention provides, due to of the electric capacity as energy-storage moduleOne electrode is connected with the output of shift register cell, and the output of shift register cell directly withThe grid line 2 being positioned on the viewing area of array base palte is connected; The second electrode of electric capacity and shift register listUpper drawknot point in unit is connected; Therefore, when electric capacity is incorporated into the viewing area 7 of display base plate, canUsing the grid line 2 of viewing area that is arranged in array base palte directly as the first electrode of electric capacity; Logical againCross the second electrode that the setting contact conductor 3 relative with the first electrode is used as electric capacity, the second electrode is logicalCross connecting lead wire 4 and be connected with the upper drawknot point in shift register cell, realized electric capacity from showingThe non-display area 8 of substrate moves on to the viewing area 7 of display base plate; Because electric capacity is located at the aobvious of display base plateConnected mode while showing region 7, identical with its connected mode of non-display area 8 that is located at display base plate,Be that the function that electric capacity has does not change, do not change in the function that has ensured electric capacityMeanwhile, electric capacity is integrated in to the viewing area 7 of display base plate by the non-display area 8 of display base plate, reducesThe shared space of shift register, make display base plate can realize the design of narrower frame.
It should be noted that, the contact conductor 3 that above-described embodiment provides, as the second electrode of electric capacity, needsTo be parallel to each other and exist right opposite long-pending with the grid line 2 as the first electrode, contact conductor 3 and grid like thisLine 2 can form electric capacity; And the position of contact conductor 3 can be located at array base according to actual needsOn plate or on color membrane substrates, as long as ensure that it can form electric capacity with grid line 2.
In addition, the shift register cell that above-described embodiment provides is not only applicable to twisted nematic display screen,Also be equally applicable to the super dimension of the complete embedded display screen of touch-control and superelevation level field switch technology display etc.
Contact conductor 3 and connecting lead wire 4 that above-described embodiment provides can be structure as a whole, or interconnection mutuallyConnect two structures independently; In actual application, preferred, contact conductor 3 and connecting lead wire 4Be structure as a whole, owing to not having junction between the contact conductor 3 of integrative-structure and connecting lead wire 4,This just makes electric capacity not fragile in the process of work, has longer service life; In addition select,The contact conductor 3 of integrative-structure and connecting lead wire 4, in the time forming contact conductor 3 and connecting lead wire 4, canTo adopt the disposable formation contact conductor 3 of method and the connecting lead wire 4 of evaporation, and do not need to increase unnecessaryOperation. It should be noted that, the method for disposable formation contact conductor 3 and connecting lead wire 4 has multiple,Be not limited only to above-mentioned evaporation coating method.
For example, and that the material of the material of contact conductor 3 and connecting lead wire 4 all has is a variety of: metal, indiumTin-oxide etc.; In the time selecting metal as contact conductor 3 and connecting lead wire 4, according to actual needs,Can select the good metal of the electric conductivity such as platinum, copper, or select silver thisly can either meet electric conductivity,Relatively low metal again aspect cost; And select indium tin oxide to be used as contact conductor 3 and to be connectedGo between 4 o'clock, because indium tin oxide itself has good electric conductivity, and can cut off human body is hadElectron radiation, ultraviolet ray and the far infrared etc. of evil, and pixel electrode in display unit is also generally adoptedUse this material, therefore, select indium tin oxide to be used as contact conductor 3 and connecting lead wire 4, can not onlyEnough ensure that electric capacity works normally, and can, in the time forming pixel electrode, form together contact conductor 3With connecting lead wire 4, need to be in order to make contact conductor 3 and connecting lead wire 4, and increase corresponding operation;Concrete, in the time forming pixel electrode, contact conductor 3 and connecting lead wire 4, can select suitable coveringLamina membranacea, an evaporation operation can complete the making of pixel electrode, contact conductor 3 and connecting lead wire 4,But be not limited only to this mode.
In different shift register cells, there are differences as the capacitance of the electric capacity of energy-storage module,And in order to adapt to the requirement of different shift register cells to capacitor's capacity, just need the capacitance of electric capacity canRegulate according to the requirement of the shift register cell at its place; In the electric capacity that above-described embodiment provides,Grid line 2, the second electrodes of its first potential on the viewing area of array base palte are and the first electrode phaseRight contact conductor 3; Because the length of grid line 2 is generally regular length, and the length of contact conductor 3 isUnfixed, therefore, can, according to the needs to capacitor's capacity in actual shift register cell, makeThe contact conductor 3 of different length; In the time that the capacitance of needed electric capacity is larger, just make length longContact conductor 3, and when the capacitance of needed electric capacity hour, just make the shorter contact conductor of length 3;In addition, the contact conductor 3 of different length, in the time making, only need to be selected suitable mask plate, itsHe operates all identical with the forming process of above-mentioned contact conductor 3.
Please continue to refer to Fig. 2, the electric capacity that the contact conductor 3 that above-described embodiment provides and grid line 2 form isParallel plate capacitor, the long-pending size of the right opposite of contact conductor 3 and grid line 2 can be to the appearance of parallel plate capacitorValue produces certain influence, and affect the right opposite of contact conductor 3 and grid line 2 long-pending because have a lot, itsIn comparatively common factor be that the placement location of mask plate in the forming process of contact conductor 3 exists deviation;In the time that the placement location of mask plate exists deviation, the contact conductor 3 forming by mask plate accordingly can be withThere is inconsistent phenomenon in grid line 2, and this inconsistent phenomenon can make contact conductor 3 just right with the reality of gridIt is long-pending that area is less than the needed right opposite of parallel plate capacitor, causes the capacitance of the parallel plate capacitor forming less than normal,And can not meet the requirement of shift register cell.
Impact capacitor's capacity being produced for fear of the above-mentioned size of being amassed by right opposite, draws at formation electrodeIn the process of line 3, the width of contact conductor 3 can be made into the width that is less than grid line 2, exist like thisEven the placement location of mask plate exists deviation in the forming process of contact conductor 3, also can ensure electrodeIt is long-pending with the right opposite that grid line 2 forms that the entire area of lead-in wire 3 is contact conductor 3, well avoidedThe impact that the above-mentioned placement location by mask plate exists deviation to produce the capacitance of parallel plate capacitor.
The contact conductor 3 that above-described embodiment provides, as the second electrode of electric capacity, needs and shift registerUpper drawknot point in unit is connected, and according to the actual positional relationship of upper drawknot point and contact conductor 3, onDrawknot point generally can not be located at grade with contact conductor 3, in this case, and connecting lead wire 4Just need to can realize upper drawknot point is connected with contact conductor 3 by via hole 5, and pass throughThe connection of drawknot point and contact conductor 3 is realized in hole 5, can make connecting lead wire 4 can take skyBetween larger, well avoided due to walking on connecting lead wire 4 and display base plate or shift register cellLine parallels or directly intersects together, and the interference problem producing.
The embodiment of the present invention also provides a kind of gate driver circuit, comprises what some above-described embodiments providedShift register cell, because gate driver circuit comprises some above-mentioned shift register cells, i.e. gridIn drive circuit, all electric capacity as memory module is all positioned at the viewing area 7 of display base plate, and this just reducesGate driver circuit shared space on display base plate, the narrow limit of well having realized display base plateFrameization development.
The embodiment of the present invention also provides a kind of display base plate, comprises that the grid that above-described embodiment provides drivesCircuit, what the beneficial effect that this display base plate produces and above-mentioned gate driver circuit produced has beneficial effectFruit is identical, does not repeat at this.
In the description of above-mentioned embodiment, specific features, structure, material or feature can be anyOne or more embodiment or example in suitable mode combination.
The above be only the specific embodiment of the present invention, but protection scope of the present invention is not limited toIn this, any be familiar with those skilled in the art the present invention disclose technical scope in, can be easilyExpect changing or replacing, within all should being encompassed in protection scope of the present invention. Therefore, protection of the present inventionScope should be as the criterion with the protection domain of described claim.
Claims (8)
1. a shift register cell, is characterized in that, described shift register cell is located at demonstration baseOn plate, described shift register cell comprises: input module, reseting module, output module and conduct storageThe electric capacity of energy module; Wherein,
Described input module, described reseting module and described output module are all positioned at described display base plateNon-display area, described electric capacity is positioned at the viewing area of described display base plate;
Described electric capacity comprises the first electrode and the second electrode, and described the first electrode is be positioned at array base palte aobviousShow a grid line in region, described grid line is connected with the output of described shift register cell; DescribedThe second electrode is the contact conductor relative with described the first electrode, described contact conductor by connecting lead wire withUpper drawknot point in described shift register cell is connected.
2. shift register cell according to claim 1, is characterized in that, described the second electrodeBe positioned on array base palte or on color membrane substrates.
3. shift register cell according to claim 1, is characterized in that, described contact conductorBe structure as a whole with described connecting lead wire.
4. shift register cell according to claim 3, is characterized in that, described contact conductorMaterial and the material of described connecting lead wire be indium tin oxide.
5. according to the shift register cell described in any one in claim 1-4, it is characterized in that instituteThe width of stating contact conductor is less than the width of described grid line.
6. according to the shift register cell described in any one in claim 1-4, it is characterized in that instituteStating connecting lead wire is connected with described upper drawknot point by via hole.
7. a gate driver circuit, is characterized in that, comprises some as any one in claim 1-6Described shift register cell.
8. a display base plate, is characterized in that, comprises that grid drives electricity as described in claim 7Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005439.2A CN105607362B (en) | 2016-01-04 | 2016-01-04 | A kind of shift register cell, gate driving circuit and display base plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610005439.2A CN105607362B (en) | 2016-01-04 | 2016-01-04 | A kind of shift register cell, gate driving circuit and display base plate |
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| CN105607362A true CN105607362A (en) | 2016-05-25 |
| CN105607362B CN105607362B (en) | 2019-01-04 |
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| CN110727149A (en) * | 2019-11-20 | 2020-01-24 | 京东方科技集团股份有限公司 | Display substrate, preparation method and display device |
| CN114283746A (en) * | 2021-12-29 | 2022-04-05 | 上海中航光电子有限公司 | Display panel and display device |
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| CN105607362B (en) | 2019-01-04 |
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