CN104991390B - The driving circuit of display panel, the display panel and display for including it - Google Patents
The driving circuit of display panel, the display panel and display for including it Download PDFInfo
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- CN104991390B CN104991390B CN201510451503.5A CN201510451503A CN104991390B CN 104991390 B CN104991390 B CN 104991390B CN 201510451503 A CN201510451503 A CN 201510451503A CN 104991390 B CN104991390 B CN 104991390B
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- driving circuit
- signal
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- signal wire
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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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
This application discloses a kind of driving circuit of display panel, the display panels and display that include it.Wherein, the driving circuit of display panel, including：Shifting deposit unit；Bus unit, bus unit include at least the first signal wire and second signal line, and the current potential of the first signal wire access is different from the current potential that second signal line accesses；And connecting line, connecting line are used to be electrically connected shifting deposit unit and the first signal wire, wherein, connecting line includes at least one extension, and extension is overlapped with second signal line.According to the scheme of the application, electrostatic can be effectively eliminated, and is occupied little space, the realization conducive to display narrow frame.
Description
Technical field
The disclosure relates generally to the driving circuit of display technology field more particularly to display panel, includes its display surface
Plate and display.
Background technology
Since many reasons may cause the accumulation of electrostatic charge on display panel.
Enter from bus for the VT pad of test for example, the first situation is electrostatic.This VT pad are tested in VT
When need to be directly exposed in air, and with VT test utensil charged metal probe be in direct contact.
The second situation is in reliability experiment, it may be necessary to directly with the quadrangle and side of static gun strike display screen
Edge, so that electrostatic enters from quadrangle and edge.
In the prior art, by drawing two cablings in two constant potential buses in the driving circuit, formation has
The capacitance of larger area is used for interim storage electrostatic, to prevent damage by static electricity.
But the capacitance realized through the above way is generally in the frame edge of display panel, in addition, in order to effectively hold
Receive more electrostatic charge, capacitance there need to be the pole plate of larger area.So, the pole plate of capacitance will occupy certain frame face
Product so that border width is larger, is unfavorable for realizing narrow frame.
Invention content
In view of drawbacks described above of the prior art or deficiency, are intended to provide a kind of driving circuit of display panel, comprising it
Display panel and display, electrostatic can be effectively eliminated, and occupy little space, the realization conducive to display narrow frame.
In a first aspect, the embodiment of the present application provides a kind of driving circuit of display panel, including：Shifting deposit unit；
Bus unit, bus unit include at least the first signal wire and second signal line, the current potential of the first signal wire access and the second letter
The current potential of number line access is different；And connecting line, connecting line are used to be electrically connected shifting deposit unit and the first signal wire, wherein,
Connecting line includes at least one extension, and extension is overlapped with second signal line.
Second aspect, the embodiment of the present application additionally provide a kind of display panel, including be oppositely arranged first substrate, second
Substrate and the liquid crystal layer being arranged between first substrate and second substrate；First substrate is equipped with driving circuit as above.
The third aspect, the embodiment of the present application additionally provide a kind of display.
According to the scheme of the embodiment of the present application, electrostatic can be effectively eliminated, and is occupied little space, conducive to display narrow frame
The realization of change.
In some realization methods of the embodiment of the present application, driving circuit can not be increased under the premise of electrostatic is eliminated
Power consumption, and then ensure that the cruise duration of display panel and display.
Description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 shows the schematic diagram of the driving circuit of the display panel according to the embodiment of the present application；
Fig. 2 shows the schematic diagrams of the driving circuit of the display panel according to the application another embodiment；
Fig. 3 shows the schematical connection relation between connecting line in Fig. 2, shifting deposit unit and the first signal wire
Figure；
Fig. 4 shows the schematic diagram of the driving circuit of the display panel according to the another embodiment of the application.
Specific embodiment
The application 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, illustrated only in attached drawing with inventing relevant part.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is shown in Figure 1, it is schematic structure Figure 100 according to the driving circuit of the display panel of the embodiment of the present application.
In Fig. 1, the driving circuit of display panel include shifting deposit unit 11, bus unit 12 and connecting line 131~
133。
Wherein, bus unit 12 includes at least the first signal wire Line1 and second signal line Line2, and the first signal wire
The current potential of Line1 accesses is different from the current potential that second signal line Line2 is accessed.
Connecting line 131~133 is used to be electrically connected 11 and first signal wire Line1 of shifting deposit unit.Connecting line 131~
133 include at least one extension 141~143, and extension 141~143 is overlapped with second signal line Line2.
It should be noted that although showing three connecting lines 131~133 in Fig. 1, the first signal wire Line1, one
Second signal line Line2 and three extensions 141~143.But connecting line, the first signal wire, second signal line and extension
Quantity be schematical.Those skilled in the art are in practical application, connecting line, first can be designed according to actual conditions
The quantity of signal wire, second signal line and extension.
In application scenes, bus unit 11 is it is possible that including plurality of first signal lines Line1 and plural number article the
Binary signal line Line2.In these application scenarios, each first signal wire Line1 can have identical or different access current potential,
Each second signal line Line2 can also have identical or different access current potential, wherein the one or more the first signal wire Line1
It is also possible to that there is the access current potential identical or different with wherein one or more second signal line Line2.As long as one
For connecting line, the access current potential for the first signal wire being attached thereto and the second overlapping letter is formed with the extension of the connecting line
The access current potential of number line Line2 is different, has just been contemplated as falling within the protection domain of the embodiment of the present application.
In addition, include answering for plurality of first signal lines Line1 and plural number second signal line Line2 in bus unit 12
With in scene, shifting deposit unit 11 may be electrically connected with plurality of first signal lines Line1 by a plural connecting line, and be connected
The extension of wiring may form overlapping with same second signal line Line2, it is also possible to from different second signal line Line2
It is formed overlapping.However, no matter bus unit 12 is electrically connected by connecting line with several the first signal wire Line1, also no matter connect
Line formed with several second signal line Line2 it is overlapping, if for a connecting line, the first signal wire for being attached thereto
Access current potential and formed from the extension of the connecting line overlapping second signal line Line2 access current potential it is different, just equally regard
To fall into the protection domain of the embodiment of the present application.
In addition, herein, one word of extension, which only represents it, is a part for connecting line, and is not used to limit itself and shifting
Position relationship between position deposit unit, the first signal wire and second signal line.In other words, in application scenes, prolong
Extending portion can be located at the same side of the first signal wire Line1, in other application scenarios, extension with shifting deposit unit 11
The not homonymy of the first signal wire Line1 can also be located at respectively with shifting deposit unit 11.
With continued reference to Fig. 1, since the extension 141~143 on connecting line 131~133 and second signal line Line2 are formed
It is overlapping, then, it overlapping second signal line Line2 can be formed extension 141~143 and is therewith respectively seen as the two of capacitance
A opposite pole plate.If driving circuit introduces electrostatic for some reason, can be believed by extension 141~143 and second
The capacitance that number line Line2 is formed temporarily stores electrostatic.
In some implementations, extension can extend along the extending direction of second signal line Line2, in Fig. 1
Extension 143；Alternatively, extension can also extend along the extending direction perpendicular to second signal line Line2, such as prolonging in Fig. 1
Extending portion 141；Alternatively, extension can also both extend along the extending direction of second signal line Line2 also along perpendicular to second
The extending direction extension of signal wire Line2, such as the extension 142 in Fig. 1.
In some implementations, bus unit 12 can include ac potential bus and constant potential bus.
In the application scenes of these realization methods, the first signal wire Line1 can be realized as constant potential bus.
In the application scenes of these realization methods, second signal line Line2 can be constant potential bus and/or
Ac potential bus.In other words, when bus unit 12 includes plural number second signal line Line2, the of a portion
Binary signal line can be implemented as constant potential bus, remaining second signal line can be realized as ac potential bus.
It is shown in Figure 2, it is the schematic diagram according to the driving circuit of the display panel of another embodiment of the application
200。
As shown in Fig. 2, similar with first embodiment, the driving circuit of the display panel of the application second embodiment includes moving
Position deposit unit 210, bus unit L1~L7 and connecting line 231,232 and 233.
On connecting line 231 there is extension 2311, there is extension 2321,2322 and 2323, connecting line on connecting line 232
There is extension 2331 on 233.
Compared with first embodiment, difference lies in this embodiment, driving circuit further includes the application second embodiment
The insulating layer being set between bus unit and connecting line.
Insulating layer is equipped with through-hole, and connecting line 231,232 and 233 passes through through-hole 2312,2324 and 2332 and the first signal
Line is electrically connected.From figure 2 it can be seen that by Fig. 2 schematic description the application second embodiment in, connect with connecting line 231
The first signal wire for L3, the first signal wire connect with connecting line 232 is L1, and the first signal being connect with connecting line 233
Line is L4.
Accordingly for connecting line 231, corresponding second signal line may include L1, L2, the extension of connecting line 231
Portion 2311 forms overlapping with second signal line L1, L2.
For connecting line 232, corresponding second signal line can include L2~L7, the extension of connecting line 232
2321st, 2322 and 2323 formd with second signal line L2~L7 it is overlapping.
Similarly, for connecting line 233, corresponding second signal line can include L1, L2 and L3, connecting line 233
Extension 2331 formd with second signal line L1, L2 and L3 it is overlapping.
It is shown in Figure 3, it is the schematical connection in Fig. 2 between connecting line, shifting deposit unit and the first signal wire
Relational graph 300.
As shown in figure 3, being provided with through-hole 321 on insulating layer 320, connecting line 310 can pass through 321 and first signal of through-hole
Line 330 connects.
In the following, referring again to shown in Fig. 2, for connecting line 232, the first signal wire being electrically connected is L1, therewith
Corresponding second signal line may include L2~L7.Similar with first embodiment, L2~L7 can be constant potential bus or exchange
Any one in current potential bus, as long as the access current potential of second signal line is different from the access current potential of the first signal wire,
To form capacitance at the overlapping place of the extension 2321~2323 of connecting line 232 and second signal line L2~L7.
In application scenes, L2~L7 can be constant potential bus, alternatively, in other application scenarios,
L2~L7 can be ac potential bus, alternatively, also in application scenes, constant potential bus is both included in L2~L7
Include ac potential bus again.
When the first signal wire or second signal line at least one of which are ac potential bus, may extension with
The second signal line place of overlapping generates larger power consumption, especially when the ac potential of access is high frequency, high-amplitude alternating current, power consumption
Generation will significantly increase, and then influence the cruise duration of display panel or display.
In order to solve this power problems, in one implementation, for example, can specify that first connect with connecting line
Signal wire is constant potential bus, and generates overlapping second signal line with the extension of connecting line and be and the first signal access electricity
The different constant potential bus in position.
However, in some concrete application scenes, constant potential bus in bus unit and ac potential bus be by
According to predetermined aligned transfer, for example, constant potential bus and ac potential bus are alternately arranged.In these application scenarios, it is
Increase connecting line under the premise of power consumption is not increased as possible and second signal line it is overlapping to form larger capacitor plate
Region, so as to accommodate more electrostatic charges, a solution is, when connecting line crosses over the signal wire of incoming transport current potential
When, the conducting wire that connecting line is embodied as having small cross sectional is generated with reducing as possible with the signal wire of incoming transport current potential
It is overlapping, so as to reduce the power consumption of driving circuit；And when signal wire of the connecting line across access constant potential, by connecting line reality
It is now the line with comparatively large cross-sectional area and forms extension, so as to generates larger friendship with the signal wire for accessing constant potential
It is folded, so as to receiving electrostatic charges more as possible.
It should be noted that for the driving circuit embodiment of display panel shown in Fig. 2, the quantity of bus not office
It is limited to 7 (L1~L7), the quantity of bus can be according to the design needs and arbitrarily devised；The quantity of connecting line is also not limited to 3
Item (231,232 and 233), the quantity of connecting line can be according to the design needs and arbitrarily devised；Connecting line 231,232 and 233 with
The position that any one the first signal wire in bus is electrically connected by through-hole can also arbitrarily be set, and be not limited to institute in Fig. 2
The technical solution shown for example, connecting line 231 is electrically connected by through-hole 2312 with L3 in fig. 2, can also actually pass through through-hole
It is electrically connected with other signal wires；Likewise, extension 2311 possessed by connecting line 231 shown in Fig. 2 embodiments can also
It is not limited to the technical solution disclosed in Fig. 2, connecting line 231 can also prolong forming overlapping position with bus L1 and L2 and having
While extending portion 2311, also formed with overlapping extension in any position of L4~L7, details are not described herein.Such as Fig. 4
It is shown, it is the schematic diagram 400 of the driving circuit of the another display panel for applying example of the application.
In this embodiment, shifting deposit unit 410 includes at least two shift registers 411~413 being linked in sequence.
Each shift register 411~413 is electrically connected at least one the first signal wire Line1, each shift register
411~413 include being connected at least one thin film transistor (TFT) of at least one the first signal wires.
As shown in figure 4, extension 441~443 and second signal line Line2, which overlaps part, forms capacitance.It is shown in Fig. 4
Embodiment in, (be wherein one since the current potential difference of two pole plates of each capacitance connected with each shift register is identical
A pole plate is connected to the first signal wire Line1, and another pole plate is connected to second signal line Line2), therefore, with each shift LD
Each capacitance of device connection forms relationship parallel with one another.
A kind of display panel is also disclosed in the application.The display panel includes the first substrate, the second substrate that are oppositely arranged, with
And it is arranged on the liquid crystal layer between first substrate and second substrate.Further, it can be also equipped on the first substrate of display panel
Driving circuit as described above.
A kind of display is also disclosed in the application.The display includes display panel as described above.
Flow chart and block diagram in attached drawing, it is illustrated that according to the system of various embodiments of the invention, method and computer journey
Architectural framework in the cards, function and the operation of sequence product.In this regard, each box in flow chart or block diagram can generation
The part of one module of table, program segment or code, a part for the module, program segment or code include one or more
The executable instruction of logic function as defined in being used to implement.It should also be noted that in some implementations as replacements, institute in box
The function of mark can also be occurred with being different from the sequence marked in attached drawing.For example, two boxes succeedingly represented are practical
On can perform substantially in parallel, they can also be performed in the opposite order sometimes, this is depended on the functions involved.Also
It is noted that the combination of each box in block diagram and/or flow chart and the box in block diagram and/or flow chart, Ke Yiyong
The dedicated hardware based systems of functions or operations as defined in execution is realized or can be referred to specialized hardware and computer
The combination of order is realized.
It will be appreciated by those skilled in the art that invention scope involved in the application, however it is not limited to above-mentioned technical characteristic
The technical solution that forms of specific combination, while should also cover in the case where not departing from the inventive concept, by above-mentioned technology
Other technical solutions that feature or its equivalent feature carry out arbitrary combination and formed.Such as features described above with it is disclosed herein
(but not limited to) has the technical solution that the technical characteristic of similar functions is replaced mutually and formed.
Claims (7)
1. a kind of driving circuit of display panel, including：
Shifting deposit unit；
Bus unit, the bus unit include at least the first signal wire and second signal line, the first signal wire access
Current potential is different from the current potential that the second signal line accesses；And
Connecting line, the connecting line are used to be electrically connected the shifting deposit unit and first signal wire, wherein, the connection
Line includes at least one extension, and the extension is overlapped with the second signal line, the extension and the second signal
The line place of overlapping forms capacitance；
The bus unit includes ac potential bus and constant potential bus；
First signal wire is constant potential bus；
The second signal line is constant potential bus and/or ac potential bus.
2. driving circuit according to claim 1, it is characterised in that：
The extension extends along the direction of the second signal line；And/or
The extension extends along perpendicular to the direction of the second signal line.
3. driving circuit according to claim 1 or 2, it is characterised in that：
The driving circuit further includes the insulating layer being set between the bus unit and the connecting line；
The insulating layer is equipped with through-hole；
The connecting line is electrically connected by the through-hole with first signal wire.
4. driving circuit according to claim 1 or 2, it is characterised in that：
The shifting deposit unit includes at least two shift registers being linked in sequence；
Each shift register is electrically connected at least one first signal wire；And
Each shift register includes at least one thin film transistor (TFT) for being connected at least one first signal wire.
5. driving circuit according to claim 4, it is characterised in that：
Each capacitance being connect with each shift register is parallel with one another.
6. a kind of display panel, including be oppositely arranged first substrate, second substrate and be arranged on the first substrate and institute
State the liquid crystal layer between second substrate；
It is characterized in that：
The first substrate is equipped with the driving circuit as described in claim 1-5 any one.
7. a kind of display, it is characterised in that：Including display panel as claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510451503.5A CN104991390B (en) | 2015-07-28 | 2015-07-28 | The driving circuit of display panel, the display panel and display for including it |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510451503.5A CN104991390B (en) | 2015-07-28 | 2015-07-28 | The driving circuit of display panel, the display panel and display for including it |
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| CN104991390A CN104991390A (en) | 2015-10-21 |
| CN104991390B true CN104991390B (en) | 2018-06-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI561891B (en) * | 2016-01-04 | 2016-12-11 | Au Optronics Corp | Pixel array substrate |
| CN105607362B (en) * | 2016-01-04 | 2019-01-04 | 京东方科技集团股份有限公司 | A kind of shift register cell, gate driving circuit and display base plate |
| CN107643638B (en) * | 2017-10-18 | 2020-05-15 | 厦门天马微电子有限公司 | Array substrate and display panel |
| CN114708796A (en) * | 2022-03-30 | 2022-07-05 | 武汉天马微电子有限公司 | Display panel and display device |
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| KR20080105821A (en) * | 2007-06-01 | 2008-12-04 | 엘지디스플레이 주식회사 | Liquid crystal display device |
| 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 |
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| KR20010098078A (en) * | 2000-04-28 | 2001-11-08 | 윤종용 | Tape carrier packet having expanded metal line and LCD adopts it |
| KR20080105821A (en) * | 2007-06-01 | 2008-12-04 | 엘지디스플레이 주식회사 | Liquid crystal display device |
| 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 |
| CN102193230A (en) * | 2010-03-19 | 2011-09-21 | 乐金显示有限公司 | Touch sensing type liquid crystal display device and method of fabricating the same |
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| CN104991390A (en) | 2015-10-21 |
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