CN105513556B - Grid driving circuit, display panel and display device - Google Patents
Grid driving circuit, display panel and display device Download PDFInfo
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- CN105513556B CN105513556B CN201610093770.4A CN201610093770A CN105513556B CN 105513556 B CN105513556 B CN 105513556B CN 201610093770 A CN201610093770 A CN 201610093770A CN 105513556 B CN105513556 B CN 105513556B
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- 230000005611 electricity Effects 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- 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
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a grid drive circuit, a display panel and a display device, comprising: the cascade connection of the first level shifting module to the Nth level shifting module and the first controllable unit; the first controllable unit is used for controlling a signal at the output end of the ith level shift module to be kept as a scanning cut-off signal so as to control the gate drive circuit to stop scanning the next level shift module after the ith level shift module is scanned; or, the scanning cut-off signal for controlling the output end of the i-th level shift module is converted into a scanning start signal to control the gate driving circuit to scan from a level shift module next to the i-th level shift module step by step. The controllable unit is arranged in the grid driving circuit, so that the grid driving circuit only scans part of the level shifting modules step by step under the control of the controllable unit in certain scenes, the display device only has a corresponding effective area to display pictures, and the power consumption of the display device is reduced.
Description
Technical field
The present invention relates to field of display technology, more specifically, are related to a kind of gate driving circuit, display panel and aobvious
Showing device.
Background technique
In general, display device includes the important compositions component such as gate driving circuit, wherein gate driving circuit is by grade
The structure compositions such as the multilevel electrical level shift module of connection will scan open signal step by step by scanning level shift module step by step
Output, and then the grid line connecting with every grade of level shift module is scanned, the data-signal of combined data line input reaches display
Device shows the effect of picture.Existing display device is full screen display when showing picture, that is, to gate driving circuit
All level shift modules carry out whole scanning.But it is not take up entirely in display device picture shown by certain scenes
When screen, that is, when without scanning whole level shift modules, cause the power consumption of existing display device higher.
Summary of the invention
In view of this, the present invention provides a kind of gate driving circuit, display panel and display device, by being driven in grid
The first controllable is set in dynamic circuit, gate driving circuit sweep test step by step is made with the control by the first controllable
Level shift module makes display device only have partial region to show picture, and then reduces the power consumption of display device.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of gate driving circuit, comprising: cascade first order level shift module to N grades of level shift modules and
One controllable；
The signal for the output end that first controllable is used to control i-stage level shift module remains scanning cut-off
Signal stops scanning next stage level shifting to control after the gate driving circuit scans through the i-stage level shift module
Position module；It is opened alternatively, the scanning pick-off signal of the output end for controlling the i-stage level shift module is converted to scanning
Signal, to control the gate driving circuit from the next stage level shift module of the i-stage level shift module step by step
Scanning, wherein N is the integer not less than 2, and i is the integer greater than 1 and less than N.
Correspondingly, the display panel includes above-mentioned gate driving circuit the present invention also provides a kind of display panel.
Correspondingly, the display device includes above-mentioned display panel the present invention also provides a kind of display device.
Compared to the prior art, technical solution provided by the invention has at least the following advantages:
The present invention provides a kind of gate driving circuit, display panel and display devices, comprising: cascade first order level
Shift module is to N grades of level shift modules and the first controllable；First controllable is for controlling the shifting of i-stage level
The signal of the output end of position module remains scanning pick-off signal, scans through the i-stage to control the gate driving circuit
Stop scanning next stage level shift module after level shift module；Alternatively, for controlling the i-stage level shift module
The scanning pick-off signal of output end is converted to scanning open signal, to control the gate driving circuit from the i-stage level
The next stage level shift module of shift module rises and scans step by step, wherein N is the integer not less than 2, and i is greater than 1 and to be less than N
Integer.
As shown in the above, technical solution provided by the invention, it is controllable by the way that first is arranged in gate driving circuit
Unit, to make gate driving circuit sweep test level shift mould step by step by the control of the first controllable in certain scenes
Block makes display device only have corresponding effective coverage to show picture, and then reduces the power consumption of display device.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of gate driving circuit provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram of another gate driving circuit provided by the embodiments of the present application；
Fig. 3 a is the structural schematic diagram of another gate driving circuit provided by the embodiments of the present application；
The intermediate schematic diagram shown that Fig. 3 b is realized by the embodiment of the present application；
Fig. 4 a is the structural schematic diagram of another gate driving circuit provided by the embodiments of the present application；
The schematic diagram that the both ends that Fig. 4 b is realized by the embodiment of the present application are shown；
Fig. 5 is a kind of structural schematic diagram of display device provided by the embodiments of the present application.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As described in background, existing display device is full screen display when showing picture, that is, to gate driving
All level shift modules of circuit carry out whole scanning.But display device picture shown by certain scenes not
When occupying full frame, that is, when without scanning whole level shift modules, cause the power consumption of existing display device higher.For example,
Display device is standby and when only showing the time, show that the picture area of time is not take up the entire screen of display device, to this feelings
When the continuation of condition display device is driven in a manner of scanning whole level shift modules, the power consumption that will cause display device is high.
Based on this, the embodiment of the present application provides a kind of gate driving circuit, display panel and display device, by grid
First controllable is set in the driving circuit of pole, scans gate driving circuit only step by step with the control by the first controllable
Partial level shift module makes display device only have partial region to show picture, and then reduces the power consumption of display device.To realize
Above-mentioned purpose, technical solution provided by the embodiments of the present application is as follows, specifically combines shown in Fig. 1 to Fig. 5, mentions to the embodiment of the present application
The technical solution of confession is described in detail.
Refering to what is shown in Fig. 1, being a kind of structural schematic diagram of gate driving circuit provided by the embodiments of the present application, wherein grid
Pole driving circuit includes: cascade first order level shift module 101 to N grades level shift module 10n and first controllable single
Member 200；
The signal for the output end that first controllable 200 is used to control i-stage level shift module 10i, which remains, to be swept
Pick-off signal is retouched, is scanned with controlling the gate driving circuit since the first level shift module 101, to scanning through i-stage
Stop scanning next stage level shift module after level shift module 10i；Alternatively, for controlling the i-stage level shift mould
The scanning pick-off signal of the output end of block 10i is converted to scanning open signal, to control the gate driving circuit from described i-th
The next stage level shift module of grade level shift module 10i rises to be scanned step by step, is terminated to N grades of level shift modules.Wherein,
N is the integer not less than 2, and i is the integer greater than 1 and less than N.
It should be noted that cascade first order level shift module provided by the embodiments of the present application to N grades of level move
Position module is same as the prior art, does not do extra repeat to this embodiment of the present application.
Specifically, in gate driving circuit provided by the embodiments of the present application, when gate driving circuit is moved along first order level
When position module to the direction of N grades of level shift modules is scanned, scanning pick-off signal can be exported by the first controllable extremely
The mode of the output end of i-stage level shift module makes i+1 grade level shift module to the institute of N grades of level shift modules
There is module not work, and since the output end of i-stage level shift module is scanning pick-off signal, only first order electricity
Grid line that translational shifting module to (i-1)-th grade of level shift module is correspondingly connected with is scanned, so that display device only shows the
Level-one level shift module is to the corresponding pixel region of (i-1)-th grade of level shift module；
Alternatively, when gate driving circuit is scanned along the direction of N grades of level shift modules to first order level shift module
When, the can be made in such a way that the first controllable exports scanning pick-off signal to the output end of i-stage level shift module
All modules of level-one level shift module to (i-1)-th grade of level shift module do not work, and due to i-stage level shift mould
The output end of block is scanning pick-off signal, therefore only i+1 grade level shift module connects to N grades of level shift modules are corresponding
The grid line connect is scanned, so that display device only shows i+1 grade level shift module to N grades of level shift modules pair
The pixel region answered；
Alternatively, when the scanning direction of gate driving circuit is along first order level shift module to N grades of level shift moulds
When the direction of block, the output end of scanning open signal to i-stage level shift module is directly exported by the first controllable
Mode, so that the grid line that the i-stage level shift module of gate driving circuit is correspondingly connected with to N grades of level shift modules
It is scanned, so that display device only shows i-stage level shift module to the corresponding pixel region of N grades of level shift modules
Domain；
Alternatively, when the scanning direction of gate driving circuit is along N grades of level shift modules to first order level shift mould
When the direction of block, the output end of scanning open signal to i-stage level shift module is directly exported by the first controllable
Mode, so that the grid that the first order level shift module of gate driving circuit is correspondingly connected with to i-stage level shift module
Line is scanned, so that display device only shows first order level shift module to the corresponding pixel of i-stage level shift module
Region.
Optionally, refering to what is shown in Fig. 2, being the structural representation of another gate driving circuit provided by the embodiments of the present application
Figure, wherein first controllable 200 provided by the embodiments of the present application includes:
First controllable switch 201, the first driving signal end 202 and first control signal end 203；
Wherein, input terminal electrical connection first driving signal end 202 of first controllable switch 201, described first
The control terminal of controllable switch 201 is electrically connected the first control signal end 203, the output end electricity of first controllable switch 201
Connect the output end of i-stage level shift module 10i, wherein first driving signal end 202 is for exporting scanning cut-off letter
Number or scanning open signal.
Wherein, the first control switch is controlled by first control signal end, to pass during scanning gate driving circuit
The scanning open signal or scanning pick-off signal of defeated first driving signal end output, to complete the independent of display device lower regions
Display effect.
Wherein, first controllable switch provided by the embodiments of the present application can be the first transistor；
First electrode electrical connection first driving signal end of the first transistor, the second of the first transistor
Electrode is electrically connected the output end of the i-stage level shift module, the grid electrical connection of the first transistor first control
Signal end processed.
It should be noted that the first transistor provided by the embodiments of the present application can be P-type transistor, or N-type
Transistor is not particularly limited this embodiment of the present application；Wherein, level signal is answered by output phase in first control signal end,
The scanning open signal or scan pick-off signal to i-stage level that the first driving signal end exports are transmitted to control the first transistor
The output end of shift module.
Further, with reference to shown in Fig. 3 a, show for the structure of another gate driving circuit provided by the embodiments of the present application
It is intended to, wherein the gate driving circuit provided by the embodiments of the present application further include:
Second controllable 300；
Second controllable 300 is used to when the scanning direction of the gate driving circuit be along the i-stage level
Shift module 10i to j-th stage level shift module 10j and first controllable 200 are used to control the i-stage level
When the scanning pick-off signal of the output end of shift module 10i is converted to scanning open signal, second controllable 300 is controlled
The signal of the output end of the j-th stage level shift module 10j remains scanning pick-off signal, to control the gate driving electricity
Road stops scanning next stage level shift module after scanning through j-th stage level shift module 10j；
Alternatively, for being along j-th stage level shift module 10j to described the when the scanning direction of the gate driving circuit
I grades of level shift module 10i and first controllable 200 are used to control the output end of i-stage level shift module 10i
Signal remain scanning pick-off signal when, second controllable 300 controls the j-th stage level shift module 10j's
The scanning pick-off signal of output end is converted to scanning open signal, to control the gate driving circuit from the j-th stage level
The next stage level shift module of shift module 10j rises and scans step by step, and j is greater than i and less than the integer of N.
As shown in the above, gate driving circuit provided by the embodiments of the present application is additionally provided in gate driving circuit
When the second controllable, enable to gate driving circuit that can also only move to i-stage level shift module to -1 grade of level of jth
Position module is scanned；Alternatively, being only scanned to j-th stage level shift module to i+1 grade level shift module, so that grid
Pole driving circuit can not only make display device complete the independent display of its lower regions, additionally it is possible to complete display device intermediate
The independent display of partial region, expands the use scope of display device.
Optionally, with reference to shown in Fig. 3 a, second controllable 300 includes:
Second controllable switch 301, the second driving signal end 302 and second control signal end 303；
The input terminal of second controllable switch 301 is electrically connected second driving signal end 302, and described second controllably opens
The control terminal for closing 301 is electrically connected the second control signal end 303, and the output end of second controllable switch 301 is electrically connected jth
The output end of level shift module 10j, second driving signal end 302 is for exporting scanning open signal or scanning cut-off letter
Number.
Wherein, the second control switch is controlled by second control signal end, to pass during scanning gate driving circuit
The scanning open signal or scanning pick-off signal of defeated second driving signal end output, it is subregional to complete display device middle part
Display effect, such as the case where intermediate region shows time Time and/or other data Data in Fig. 3 b.
Wherein, second controllable switch provided by the embodiments of the present application can be second transistor；
First electrode electrical connection second driving signal end of the second transistor, the second of the second transistor
Electrode is electrically connected the output end of the j-th stage level shift module, and the grid electrical connection described second of the second transistor can
Control signal end.
It should be noted that second transistor provided by the embodiments of the present application can be P-type transistor, or N-type
Transistor is not particularly limited this embodiment of the present application；Wherein, level signal is answered by output phase in second control signal end,
The scanning open signal or scan pick-off signal to j-th stage level that the second driving signal end exports are transmitted to control second transistor
The output end of shift module.
Further, second controllable is also used to control i-stage level shift mould in first controllable
When the signal of the output end of block remains scanning pick-off signal, the signal of the output end of the j-th stage level shift module is controlled
Remain scanning pick-off signal, wherein the gate driving circuit further include: controllable connection unit, for being connected to (i-1)-th grade of electricity
The output end of+1 grade of level shift module of output end and jth of translational shifting module.
Specifically, being the structural representation of another gate driving circuit provided by the embodiments of the present application with reference to shown in Fig. 4 a
Figure, wherein second controllable 300 provided by the embodiments of the present application is also used to control in first controllable 200
When the signal of the output end of i-stage level shift module 10i remains scanning pick-off signal, the j-th stage level shift is controlled
The signal of the output end of module 10j remains scanning pick-off signal, wherein the gate driving circuit further includes that controllable connection is single
Member, and the controllable connection unit includes:
Controllable connection switch 401 and third control signal end 402；
First connecting pin of the controllable connection switch 401 is electrically connected the output of (i-1)-th grade of level shift module 10 (i-1)
End, the output end of second connection end electrical connection+1 grade of level shift module 10 (j+1) of jth of the controllable connection switch 401, institute
The control terminal for stating controllable connection switch 401 is electrically connected the third control signal end 402.
As shown in the above, by controllable connection switch by the output end of (i-1)-th grade of level shift module and+1 grade of jth
The output end of level shift module is connected, and keeps i-stage level shift respectively in the first controllable and the second controllable
The signal of the output end of the output end and j-th stage level shift module of module is to scan pick-off signal and in gate driving electricity
When road is scanned, i grades of level shift modules to the part of j-th stage level shift module will be removed and be connected to, to first order electricity
+ 1 grade of level shift module of grid line corresponding to translational shifting module to (i-1)-th grade of level shift module and jth is to N grades of level
Grid line corresponding to shift module is scanned, so that display device shows twoth area up and down for removing intermediate portion subregion simultaneously
The case where domain, such as region display time Time upper in Fig. 4 b and lower region shows other data Data, further expansion display dress
The scope of application set.
That is, working as scanning when gate driving circuit is along first order level shift module to N grades of level shift module scans
When (i-1)-th grade of level shift module, grid line that+1 grade of level shift module of (i-1)-th grade of level shift module and jth is connected
It is scanned simultaneously, then continues to continue to scan on along+2 grades of level shift modules of jth to N grades of level shift modules；
Alternatively, when gate driving circuit is along N grades of level shift modules to first order level shift module scans, when sweeping
When retouching+1 grade of level shift module of jth, grid that+1 grade of level shift module of jth and (i-1)-th grade of level shift module are connected
Line is scanned simultaneously, then continues to be continued to scan on along the i-th -2 grades level shift modules to first order level shift module；
Wherein, the controllable connection switch provided by the embodiments of the present application is third transistor；
The first electrode of the third transistor is electrically connected the output end of (i-1)-th grade of level shift module, and described
The second electrode of three transistors is electrically connected the output end of+1 grade of level shift module of the jth, the grid of the third transistor
It is electrically connected the third control signal end.
It should be noted that third transistor provided by the embodiments of the present application can be P-type transistor, or N-type
Transistor is not particularly limited this embodiment of the present application；Wherein, third control signal end answers level signal by output phase,
With control third transistor by the output end of+1 grade of level shift module of output end and jth of (i-1)-th grade of level shift module it
Between be connected, realize display device simultaneously show except intermediate portion subregion two regions up and down effect, such as the area Fig. 4 b Zhong Shang
Domain shows the case where time Time and lower region show other data Data.
Correspondingly, the embodiment of the present application also provides a kind of display panels, wherein the display panel includes above-mentioned any
The gate driving circuit that one embodiment provides.
It should be noted that display panel provided by the embodiments of the present application can be liquid crystal display panel, it can also be it
The display panel of his type is not particularly limited this embodiment of the present application.
Correspondingly, the embodiment of the present application also provides a kind of display devices, refering to what is shown in Fig. 5, mentioning for the embodiment of the present application
The structural schematic diagram of a kind of display device supplied, wherein the display device includes the display that above-mentioned any one embodiment provides
Panel 10.
In addition, display device provided by the embodiments of the present application can be liquid crystal display device, refering to what is shown in Fig. 5, display dress
Set further includes that promising display panel 10 provides the backlight source module 20 of backlight (light as shown by arrows in figure).
It not only can be liquid crystal display device it should be noted that display device provided by the embodiments of the present application, it can be with
For other types display device, this embodiment of the present application is not particularly limited.
The embodiment of the present application provides a kind of gate driving circuit, display panel and display device, comprising: cascade first
Grade level shift module is to N grades of level shift modules and the first controllable；First controllable for sweeping step by step
When retouching all level shift modules, the output end of output scanning pick-off signal to i-stage level shift module；Alternatively, for defeated
The output end of open signal to the i-stage level shift module is scanned, out to control the gate driving circuit from described i-th
The next stage level shift module of grade level shift module rises to be scanned step by step, wherein N is integer not less than 2, i be greater than 1 and
Integer less than N.
As shown in the above, technical solution provided by the embodiments of the present application, by the way that is arranged in gate driving circuit
One controllable, to make gate driving circuit sweep test level step by step by the control of the first controllable in certain scenes
Shift module makes display device only have corresponding effective coverage to show picture, and then reduces the power consumption of display device.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of gate driving circuit characterized by comprising cascade first order level shift module to N grades of level is moved
Position module and the first controllable；
The signal for the output end that first controllable is used to control i-stage level shift module remains scanning cut-off letter
Number, stop scanning next stage level shift to control after the gate driving circuit scans through the i-stage level shift module
Module；Alternatively, the scanning pick-off signal of the output end for controlling i-stage level shift module is converted to scanning open signal,
It is scanned step by step with controlling the gate driving circuit from the next stage level shift module of the i-stage level shift module,
Wherein, N is the integer not less than 2, and i is the integer greater than 1 and less than N；
Wherein, first controllable includes:
First controllable switch, the first driving signal end and first control signal end；
Wherein, first controllable switch module includes input, output end and control terminal, the input of first controllable switch
End electrical connection first driving signal end, the control terminal of first controllable switch are electrically connected the first control signal end,
The output end of the output end electrical connection i-stage level shift module of first controllable switch, wherein first driving signal
End is for exporting scanning pick-off signal or scanning open signal.
2. gate driving circuit according to claim 1, which is characterized in that first controllable switch is first crystal
Pipe；
The first transistor includes first electrode, second electrode and grid, the first electrode electrical connection of the first transistor
First driving signal end, the second electrode of the first transistor are electrically connected the output of the i-stage level shift module
The grid at end, the first transistor is electrically connected the first control signal end.
3. gate driving circuit according to claim 1, which is characterized in that the gate driving circuit further include:
Second controllable；
Second controllable is used to when the scanning direction of the gate driving circuit be along the i-stage level shift module
To j-th stage level shift module and first controllable is used to control the output end of the i-stage level shift module
When scanning pick-off signal is converted to scanning open signal, second controllable controls the j-th stage level shift module
The signal of output end remains scanning pick-off signal, scans through j-th stage level shift module to control the gate driving circuit
Stop scanning next stage level shift module afterwards；
Alternatively, for being along j-th stage level shift module to the i-stage level when the scanning direction of the gate driving circuit
The signal for the output end that shift module and first controllable are used to control i-stage level shift module remains scanning
When pick-off signal, the scanning pick-off signal that second controllable controls the output end of the j-th stage level shift module turns
It is changed to scanning open signal, is moved with controlling the gate driving circuit from the next stage level of the j-th stage level shift module
Position module rises to be scanned step by step, and j is greater than i and less than the integer of N.
4. gate driving circuit according to claim 3, which is characterized in that second controllable includes:
Second controllable switch, the second driving signal end and second control signal end；
Second controllable switch module includes input, output end and control terminal, the input terminal electricity of second controllable switch
Second driving signal end is connected, the control terminal of second controllable switch is electrically connected the second control signal end, described
The output end of the output end electrical connection jth level shift module of second controllable switch, second driving signal end is for exporting
Scan open signal or scanning pick-off signal.
5. gate driving circuit according to claim 4, which is characterized in that second controllable switch is the second crystal
Pipe；
The second transistor includes first electrode, second electrode and grid, the first electrode electrical connection of the second transistor
Second driving signal end, the second electrode of the second transistor are electrically connected the output of the j-th stage level shift module
The grid at end, the second transistor is electrically connected second controllable signal end.
6. gate driving circuit according to claim 3, which is characterized in that second controllable is also used to described
When the signal of the output end of first controllable control i-stage level shift module remains scanning pick-off signal, described in control
The signal of the output end of j-th stage level shift module remains scanning pick-off signal, wherein the gate driving circuit also wraps
It includes:
Controllable connection unit, for be connected to (i-1)-th grade of level shift module+1 grade of level shift module of output end and jth it is defeated
Outlet.
7. gate driving circuit according to claim 6, which is characterized in that the controllable connection unit includes:
Controllable connection switch and third control signal end；
The controllable connection switch includes the first connecting pin, second connection end, control terminal, and the first of the controllable connection switch connects
The output end of (i-1)-th grade of level shift module of end electrical connection is connect, the second connection end of the controllable connection switch is electrically connected jth+1
The control terminal of the output end of grade level shift module, the controllable connection switch is electrically connected the third control signal end.
8. gate driving circuit according to claim 7, which is characterized in that the controllable connection switch is third crystal
Pipe；
The third transistor includes first electrode, second electrode and grid, the first electrode electrical connection of the third transistor
The second electrode of the output end of (i-1)-th grade of level shift module, the third transistor is electrically connected described+1 grade of level of jth
The grid of the output end of shift module, the third transistor is electrically connected the third control signal end.
9. a kind of display panel, which is characterized in that the display panel includes grid described in claim 1~8 any one
Driving circuit.
10. a kind of display device, which is characterized in that the display device includes display panel as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093770.4A CN105513556B (en) | 2016-02-19 | 2016-02-19 | Grid driving circuit, display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| US10109240B2 (en) | 2016-09-09 | 2018-10-23 | Apple Inc. | Displays with multiple scanning modes |
| US10482822B2 (en) | 2016-09-09 | 2019-11-19 | Apple Inc. | Displays with multiple scanning modes |
| CN107016953A (en) * | 2017-05-22 | 2017-08-04 | 武汉天马微电子有限公司 | Display panel driving method, display panel and display device |
| CN108461062B (en) * | 2018-03-29 | 2021-07-13 | 上海天马有机发光显示技术有限公司 | Shifting register, array substrate, driving method of array substrate and display device |
| CN109243309A (en) * | 2018-11-29 | 2019-01-18 | 昆山国显光电有限公司 | Display controller, display panel and display device |
| CN109637478B (en) * | 2019-01-11 | 2021-01-15 | 昆山龙腾光电股份有限公司 | Display device and driving method |
| CN109697966A (en) * | 2019-02-28 | 2019-04-30 | 上海天马微电子有限公司 | Array substrate, display panel and driving method thereof |
| CN110136626B (en) | 2019-05-20 | 2021-03-12 | 京东方科技集团股份有限公司 | Display panel, display device, gate driving circuit and driving method thereof |
| CN112017570B (en) * | 2019-05-31 | 2022-08-19 | 京东方科技集团股份有限公司 | Gate drive circuit, display device and display control method |
| CN111508412B (en) * | 2020-04-22 | 2022-08-23 | 武汉华星光电半导体显示技术有限公司 | Driving circuit, driving method of display screen and electronic device |
| CN112908253B (en) * | 2021-01-28 | 2022-07-01 | 武汉天马微电子有限公司 | Display panel, driving control method thereof and display device |
| CN114677986A (en) * | 2022-04-21 | 2022-06-28 | 惠科股份有限公司 | Display device |
| CN115691382A (en) * | 2022-09-26 | 2023-02-03 | 武汉天马微电子有限公司 | Shift register circuit, display panel and display device |
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| CN101382714B (en) * | 2008-09-28 | 2013-02-13 | 昆山龙腾光电有限公司 | LCD panel, LCD device and drive device for the LCD panel |
| WO2010137197A1 (en) * | 2009-05-28 | 2010-12-02 | シャープ株式会社 | Shift register |
| US8957882B2 (en) * | 2010-12-02 | 2015-02-17 | Samsung Display Co., Ltd. | Gate drive circuit and display apparatus having the same |
| CN103680443B (en) * | 2013-12-06 | 2016-03-30 | 合肥京东方光电科技有限公司 | A kind of gating drive circuit, gate driver circuit and display device |
| CN104978944A (en) * | 2015-08-06 | 2015-10-14 | 京东方科技集团股份有限公司 | Driving method for display panel, display panel and display device |
| CN104978943B (en) * | 2015-08-06 | 2017-03-08 | 京东方科技集团股份有限公司 | A kind of shift register, the driving method of display floater and relevant apparatus |
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