CN106157873A - A kind of gate drive apparatus, driving method and display floater - Google Patents
A kind of gate drive apparatus, driving method and display floater Download PDFInfo
- Publication number
- CN106157873A CN106157873A CN201610782874.6A CN201610782874A CN106157873A CN 106157873 A CN106157873 A CN 106157873A CN 201610782874 A CN201610782874 A CN 201610782874A CN 106157873 A CN106157873 A CN 106157873A
- Authority
- CN
- China
- Prior art keywords
- shift register
- scanning signal
- film transistor
- thin film
- tft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Shift Register Type Memory (AREA)
Abstract
The open a kind of gate drive apparatus of the present invention, driving method and display floater, including: multiple shift registers, the first driving switch and the first film transistor, the scanning signal output part of the first shift register is connected with the drain electrode of at least one the first film transistor, the scanning signal input part of the second shift register is connected with the source electrode of the first film transistor, and the grid of the first film transistor and first drives switch to connect；When first drives switch activated work, second shift register receives the scanning signal that the first shift register sends, when the second shift register is when receiving scanning signal, at least one the 3rd shift register synchronizes to receive the scanning signal that the first shift register sends, realize one-level shift register to synchronize to drive at least two-stage shift register, for resolution requirement than relatively low image, both ensured that image showed needs, reduced again the power consumption of device.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of gate drive apparatus, driving method and display floater.
Background technology
Film transistor display panel is a kind of active matrix display panel, the drive circuit of film transistor display panel
Including console controller, time schedule controller, source electrode driver, gate drivers and the pixel battle array comprising multiple pixel cell
Row.Wherein, comprising thin film transistor (TFT) in each pixel cell, this thin film transistor (TFT) comprises grid, source electrode and drain electrode.
Specifically, in film transistor display panel, sequence drivers is for source electrode driver and gate drivers
Control signal is provided.
Gate drivers includes multi-stage shift register (as shown in Figure 2) at present, and gate drivers receives time schedule controller
The timing control signal sent, utilizes timing control signal to control multi-stage shift register work.Wherein, timing control signal bag
Include clock signal (clock signal, CK), trigger signal (start signal, STV), reset signal (reset signal,
RST) etc..
Concrete, gate drivers receives STV and CK that time schedule controller sends, and drives zero level shift register to pass through
Grid line output scanning signal, and drive the grid of the thin film transistor (TFT) in the pixel cell that zero level shift register is corresponding to lead
Logical；And by zero level shift register, scanning signal is sent to first order shift register；Now, gate drivers according to time
The CK that sequence controller sends, drives first order shift register to scan signal by grid line output, and drives first order displacement to post
The gate turn-on of the thin film transistor (TFT) in the pixel cell that storage is corresponding；And by the first shift register, scanning signal is sent to
Second level shift register；......；The most down, the shift register that gate driver drive is the most at the same level is exported by grid line
Scanning signal, and drive the gate turn-on of thin film transistor (TFT) in the pixel cell that every one-level shift register is corresponding.
When the console controller of film transistor display panel receives the image needing display, send out to time schedule controller
Send control instruction, make time sequence controller grid driver and source electrode driver realize image and show.In this course, grid
Driver drives the pixel cell in pel array luminous according to the type of drive of above-mentioned record, reaches to show the mesh of image
's.
But, in actual applications, it has been investigated that, for different display images, gate drivers is according to above-mentioned note
The type of drive carried drives the pixel cell luminescence in pel array to there is the situation driving the wasting of resources, increases grid simultaneously and drives
The power consumption of dynamic device.
Summary of the invention
In view of this, embodiments provide a kind of gate drive apparatus, driving method and display floater, be used for solving
The problem that certainly present in prior art, the power consumption of gate drivers is bigger.
A kind of gate drive apparatus, including: multiple shift registers, the first driving switch and N number of the first film transistor,
N is natural number, wherein:
The scanning signal output part of the first shift register in the plurality of shift register and N number of the first film crystal
The drain electrode of the described the first film transistor of at least one in pipe connects, the second shift LD in the plurality of shift register
The scanning signal input part of device is connected with the source electrode of described the first film transistor, the grid of described the first film transistor and institute
State the first driving switch to connect；
Described second shift register, when described first drives switch activated work, receives described first shift LD
The scanning signal that device sends, wherein, when described second shift register is when receiving described scanning signal, the plurality of displacement
In depositor, at least one the 3rd shift register synchronizes to receive the scanning signal that described first shift register sends.
A kind of gate drive apparatus, including: N level shift register, the first driving switch and M the first film transistor, N
It is natural number with M, and N is more than M, wherein:
The scanning signal output part of the N-1 level shift register in the plurality of shift register and M the first film
The drain electrode of the described the first film transistor of at least one in transistor connects, the N+1 level in the plurality of shift register
The scanning signal input part of shift register is connected with the source electrode of described the first film transistor, described the first film transistor
Grid drives switch to be connected with described first；
Described N+1 level shift register, when described first drives switch activated work, receives described N-1 level and moves
The scanning signal that bit register sends, wherein, when described N+1 level shift register is when receiving described scanning signal, institute
State the N level shift register in multiple shift register to synchronize to receive the scanning that described N-1 level shift register sends
Signal.
A kind of driving method of above-mentioned gate drive apparatus, including:
When the first switch activated work of driving being detected, the first shift register in described gate drive apparatus is respectively
Send scanning signal at least two shift register being connected with the scanning signal output part of described first shift register, make
Its described at least two shift register synchronizes to receive described scanning signal；
Wherein, described first switch is driven to be shifted with described at least two by the grid of different thin film transistor (TFT)s respectively
Depositor connects, described first shift register respectively by the drain electrode of described different thin film transistor (TFT) and source electrode and described extremely
Few two shift registers connect.
A kind of display floater, comprises above-mentioned gate drive apparatus.
The present invention has the beneficial effect that:
Gate drive apparatus described in the embodiment of the present invention, including: multiple shift registers, the first driving switch and N
Individual the first film transistor, N is natural number, wherein, the scanning letter of the first shift register in the plurality of shift register
The drain electrode of number outfan the first film transistor described with at least one in N number of the first film transistor is connected, the plurality of
The scanning signal input part of the second shift register in shift register is connected with the source electrode of described the first film transistor, institute
The grid stating the first film transistor drives switch to be connected with described first；Described second shift register, drives described first
During dynamic switch activated work, receive the scanning signal that described first shift register sends, when described second shift register exists
When receiving described scanning signal, in the plurality of shift register, at least one the 3rd shift register synchronization receives described
The scanning signal that first shift register sends.Gate drive apparatus one-level shift register described in the embodiment of the present invention
Can synchronize to drive at least two-stage shift register, it is possible to effectively reduce the rate of scanning of gate drive apparatus, i.e. for differentiating
Rate requires the relatively low image of ratio, can use the scheme described in the present invention, had both ensured that image showed needs, and can reduce again grid
The power consumption of electrode driving device, and then the power problems of the display floater being effectively improved, play the purpose saving resource.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing briefly introduce, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for this
From the point of view of the those of ordinary skill in field, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of traditional gate drivers；
The structural representation of a kind of gate drive apparatus that Fig. 2 provides for the embodiment of the present invention；
Fig. 2 (a) is the structural representation that a shift register simultaneously drives the work of multiple shift register；
Fig. 2 (b) is the structural representation that one-level shift register drives the work of next stage shift register；
The structural representation of a kind of gate drive apparatus that Fig. 3 provides for the embodiment of the present invention；
Fig. 3 (a) is that the 0th grade of shift register drives the 1st grade of shift register and the structural representation of the 2nd grade of shift register
Figure；
The schematic flow sheet of the driving method of a kind of gate drive apparatus that Fig. 4 provides for the embodiment of the present invention；
The driving principle schematic diagram of a kind of display floater that Fig. 5 provides for the embodiment of the present invention；
The sequential chart of display floater when Fig. 6 is the first driving switch.
Detailed description of the invention
In actual applications, owing to console controller is after receiving image to be displayed, by number corresponding for image to be displayed
Word signal is converted into analogue signal and is sent to time schedule controller, time schedule controller drive to grid respectively according to this analogue signal
Dynamic device and source electrode driving device transmission timing control signal so that gate drive apparatus is according to the sequencing contro letter received
Number drive shift register the most step by step, make shift register pass sequentially through grid line output scanning signal, drive shift register
The gate turn-on of the corresponding thin film transistor (TFT) in pixel cell；Source electrode driving device drives source electrode according to this timing control signal
Drive circuit is that the thin film transistor (TFT) of gate turn-on applies voltage, makes the pixel cell that thin film transistor (TFT) is corresponding luminous, Jin Erda
Purpose to display image.But, it has been investigated that, drive the pixel cell in pel array luminous for some resolutions step by step
It is a kind of wasting of resources for the less demanding image of rate, simultaneously for being also a kind of power consumption from the point of view of gate drive apparatus.
In order to realize the purpose of the present invention, embodiments provide a kind of gate drive apparatus, driving method and show
Show panel, the gate drive apparatus described in the embodiment of the present invention, including: multiple shift registers, the first driving switch and N number of
The first film transistor, N is natural number, wherein, the scanning signal of the first shift register in the plurality of shift register
The drain electrode of outfan the first film transistor described with at least one in N number of the first film transistor is connected, the plurality of shifting
The scanning signal input part of the second shift register in bit register is connected with the source electrode of described the first film transistor, described
The grid of the first film transistor drives switch to be connected with described first；Described second shift register, drives described first
During switch activated work, receive the scanning signal that described first shift register sends, when described second shift register is connecing
When receiving described scanning signal, in the plurality of shift register, at least one the 3rd shift register synchronizes to receive described the
The scanning signal that one shift register sends.Gate drive apparatus one-level shift register energy described in the embodiment of the present invention
Enough synchronizations drive at least two-stage shift register, it is possible to effectively reduce the rate of scanning of gate drive apparatus, i.e. for resolution
Require the relatively low image of ratio, the scheme described in the present invention can be used, both ensured that image showed needs, grid can be reduced again
The power consumption of driving means, and then the power problems of the display floater being effectively improved, play the purpose saving resource.
It should be noted that one-level shift register synchronizes to drive the individual of other grade of shift register in the embodiment of the present invention
Number can according to for display resolution less than set threshold value the consumed power consumption of image number be configured, it is also possible to according to
Experimental data determines, with the number of one-level shift register synchronization other grade of shift register of driving is in embodiments of the present invention
Illustrate as a example by being not more than 5, it is preferable that one-level shift register synchronizes to drive other two-stage shift registers.
It should be noted that the first shift register described in the embodiment of the present invention, the second shift register, the 3rd
First, second, third, fourth and fifth described in shift register, the 4th shift register and the 5th shift register,
There is no particular meaning, only be used for representing different shift registers.
In embodiments of the present invention, between the 0th grade of shift register and the 1st grade of shift register can with inapplicable metal-oxide-semiconductor,
Do not limit.
Below in conjunction with Figure of description, each embodiment of the present invention is described in further detail.Obviously, described
Embodiment be only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this
The all of other embodiments that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this
The scope of bright protection.
The structural representation of a kind of gate drive apparatus that Fig. 2 provides for the embodiment of the present invention.The embodiment of the present invention provides
Gate drive apparatus include: multiple shift registers 211～21N, first drive switch 22, N number of the first film transistor (i.e.
Metal-oxide-semiconductor) 231～23N, the span of N is natural number here.
The scanning signal output part of the first shift register in the plurality of shift register and N number of the first film crystal
The drain electrode of the described the first film transistor of at least one in pipe connects, the second shift LD in the plurality of shift register
The scanning signal input part of device is connected with the source electrode of described the first film transistor, the grid of described the first film transistor and institute
State the first driving switch to connect；
Described second shift register, when described first drives switch activated work, receives described first shift LD
The scanning signal that device sends, wherein, when described second shift register is when receiving described scanning signal, the plurality of displacement
In depositor, at least one the 3rd shift register synchronizes to receive the scanning signal that described first shift register sends.
I.e. when first drives switch activated work, the gate turn-on of the first film transistor, the second shift register connects
Receive the scanning signal that the first shift register sends.
In embodiments of the present invention, except the second shift register is by the first film transistor AND gate the first shift register
Outside connection, it is also possible to there is at least one the 3rd shift register and the first shift register brilliant by another the first film
Body pipe connects, and connected mode is identical with the connected mode of the first film transistor with the second shift register, the most not in detail
Repeat.
As shown in Fig. 2 (a), be a shift register simultaneously drive multiple shift register work structural representation.
Here the number by the 3rd shift register illustrates as a example by being 3.
It can be seen that shift register 1, shift register 2, shift register 3, shift register 4 and from Fig. 2 (a)
Shift register 5, MOS1～MOS4, wherein, the grid of MOS1 and first drives switch to connect, the source electrode of MOS1 and shift LD
The scanning signal input part of device 2 connects, and the drain electrode of MOS1 is connected with the scanning signal output part of shift register 1；
The grid of MOS2 and first drives switch to connect, the source electrode of MOS2 and the scanning signal input part of shift register 3
Connecting, the drain electrode of MOS2 is connected with the scanning signal output part of shift register 1；
The grid of MOS3 and first drives switch to connect, the source electrode of MOS3 and the scanning signal input part of shift register 4
Connecting, the drain electrode of MOS3 is connected with the scanning signal output part of shift register 1；
The grid of MOS4 and first drives switch to connect, the source electrode of MOS4 and the scanning signal input part of shift register 5
Connecting, the drain electrode of MOS4 is connected with the scanning signal output part of shift register 1.
I.e. when first drives switch activated work, the scanning signal of shift register 1 is divided by MOS1～MOS4 respectively
Do not send to shift register 2, shift register 3, shift register 4 and shift register 5, so, shift register 2, shifting
The gate turn-on of the thin film transistor (TFT) in the pixel cell of bit register 3, shift register 4 and shift register 5 correspondence.
In this case, if now source electrode driving device is by the source electrode drive circuit thin film transistor (TFT) to gate turn-on
Apply voltage so that the pixel cell of shift register 2, shift register 3, shift register 4 and shift register 5 correspondence is same
Shi Faguang, both ensure that the display demand of the low image of resolution, had the most effectively reduced the rate of scanning of gate drive apparatus.
It should be noted that shift register synchronizes to drive shift register 2, shift register 3, shift register 4 and
Shift register 5, shift register 2, shift register 3, shift register 4 and shift register 5 can fill at raster data model
It is to connect in putting, it is also possible to be discontinuous in gate drive apparatus, do not limit.
So receive scanning signal at shift register 2, shift register 3, shift register 4 and shift register 5
Afterwards, shift register 2, shift register 3, shift register 4 and shift register 5 can be distinguished the most same
Time drive other shift register, it is also possible to drive one-level shift register according to prior art respectively, if synchronize here
Do not limit, it is also possible to other modes, be not specifically limited here.
In the gate drive apparatus that the embodiment of the present invention provides, also include: second drives 24 and M the second thin film of switch
Transistor 251～25M, M is natural number, wherein:
The scanning signal output part of the 4th shift register in the plurality of shift register and M the second film crystal
The drain electrode of described second thin film transistor (TFT) in pipe connects, the 5th shift register in the plurality of shift register
Scanning signal input part is connected with the source electrode of described second thin film transistor (TFT), the grid of described second thin film transistor (TFT) and described the
Two drive switch to connect；
Described 5th shift register, when described second drives switch activated work, receives described 4th shift LD
The scanning signal that device sends, described scanning signal is that described gate drive apparatus transmits after controlled signal drives step by step.
I.e. when second drives switch activated work, the gate turn-on of the second thin film transistor (TFT), the 5th shift register connects
Receive the scanning signal that the 4th shift register sends.
In order to reduce the power consumption of display floater, for gate drive apparatus, propose two kinds in embodiments of the present invention
Drive structure, shown in a kind of driving structure such as Fig. 2 (a)；Another kind of type of drive is identical with existing type of drive principle, employing by
Level type of drive, as shown in Fig. 2 (b).
As shown in Fig. 2 (b), drive the structural representation of next stage shift register work for one-level shift register.
It can be seen that shift register 1, shift register 2, shift register 3, shift register 4 and from Fig. 2 (b)
Shift register 5, MOS1～MOS4, wherein, the grid of MOS1 and second drives switch to connect, the source electrode of MOS1 and shift LD
The scanning signal input part of device 2 connects, and the drain electrode of MOS1 is connected with the scanning signal output part of shift register 1；
The grid of MOS2 and second drives switch to connect, the source electrode of MOS2 and the scanning signal input part of shift register 3
Connecting, the drain electrode of MOS2 is connected with the scanning signal output part of shift register 2；
The grid of MOS3 and second drives switch to connect, the source electrode of MOS3 and the scanning signal input part of shift register 4
Connecting, the drain electrode of MOS3 is connected with the scanning signal output part of shift register 3；
The grid of MOS4 and second drives switch to connect, the source electrode of MOS4 and the scanning signal input part of shift register 5
Connecting, the drain electrode of MOS4 is connected with the scanning signal output part of shift register 4.
I.e. when second drives switch activated work, the scanning signal of shift register 1 sends extremely displacement by MOS1 and posts
Storage 2 so that the thin film transistor (TFT) conducting of shift register 2 correspondence；Meanwhile, the scanning signal of shift register 2 passes through MOS2
Send to shift register 3 so that the thin film transistor (TFT) conducting of shift register 3 correspondence；Meanwhile, the scanning of shift register 3
Signal is sent to shift register 4 by MOS3 so that the thin film transistor (TFT) conducting of shift register 4 correspondence；Meanwhile, displacement is posted
The scanning signal of storage 4 is sent to shift register 5 by MOS4 so that the thin film transistor (TFT) conducting of shift register 5 correspondence.
In this case, if now source electrode driving device is by the source electrode drive circuit thin film transistor (TFT) to gate turn-on
Apply voltage, make shift register 2, shift register 3, shift register 4 and the pixel list of shift register 5 correspondence respectively
Unit is luminous, now ensure that the display demand of resolution hi-vision.
By gate drive apparatus provided by the present invention, can synchronize to drive at least two-stage by one-level shift register
Shift register, it is possible to effectively reduce the rate of scanning of gate drive apparatus, i.e. for resolution requirement than relatively low image, can
To use the scheme described in the present invention, both ensured that image showed needs, the power consumption of gate drive apparatus can have been reduced again, and then
The power problems of the display floater being effectively improved, plays the purpose saving resource.
The structural representation of a kind of gate drive apparatus that Fig. 3 provides for the embodiment of the present invention.The embodiment of the present invention is with grid
Illustrate as a example by electrode driving device comprises N level shift register.
The gate drive apparatus that the embodiment of the present invention provides includes: N level shift register, first drive switch and M the
One thin film transistor (TFT), N and M is natural number, and N is more than M, wherein:
The scanning signal output part of the N-1 level shift register in the plurality of shift register and M the first film
The drain electrode of the described the first film transistor of at least one in transistor connects, the N+1 level in the plurality of shift register
The scanning signal input part of shift register is connected with the source electrode of described the first film transistor, described the first film transistor
Grid drives switch to be connected with described first；
Described N+1 level shift register, when described first drives switch activated work, receives described N-1 level and moves
The scanning signal that bit register sends, wherein, when described N+1 level shift register is when receiving described scanning signal, institute
State the N level shift register in multiple shift register to synchronize to receive the scanning that described N-1 level shift register sends
Signal.
In embodiment provided by the present invention, described gate drive apparatus also includes: second drives switch and M individual second
Thin film transistor (TFT), M is natural number, wherein:
The scanning signal output part of the N level shift register in the plurality of shift register is brilliant with M the second thin film
The drain electrode of described second thin film transistor (TFT) in body pipe connects, and the N+1 level displacement in the plurality of shift register is posted
Storage scanning signal input part be connected with the source electrode of described second thin film transistor (TFT), the grid of described second thin film transistor (TFT) and
Described second drives switch to connect；
Described N+1 level shift register, when described second drives switch activated work, receives the displacement of described N level
The scanning signal that depositor sends, described scanning signal is that described gate drive apparatus transmits after controlled signal drives step by step
's.
It is to be described in detail as a example by 1 by N value below.
The scanning signal output part of the 0th grade of shift register and the drain electrode of a first film transistor connect, the 2nd grade of shifting
The scanning signal input part of bit register is connected with the source electrode of described the first film transistor, the grid of described the first film transistor
Pole drives switch to be connected with described first；
The scanning signal output part of the 1st grade of shift register and the drain electrode of second thin film transistor (TFT) connect, the 2nd grade of shifting
The scanning signal input part of bit register is connected with the source electrode of described second thin film transistor (TFT), the grid of described second thin film transistor (TFT)
Pole drives switch to be connected with described second.
It should be noted that the scanning letter of the scanning signal output part of the 0th grade of shift register and the 1st grade of shift register
Number input connects.
As shown in Fig. 3 (a), it is that the 0th grade of shift register drives the 1st grade of shift register and the 2nd grade of shift register
Structural representation.
It can be seen that when first drives switch activated work, the 0th grade of shift register drives the 1st grade from Fig. 3 (a)
During shift register, by the 2nd grade of shift register of the first film transistor driving.
Scanning signal is sent to the 1st grade of shift register by i.e. the 0th grade shift register so that the 1st grade of shift register
Corresponding thin film transistor (TFT) conducting；Meanwhile, scanning signal is sent to the by the 0th grade of shift register by the first film transistor
2 grades of shift registers so that the 2nd grade of thin film transistor (TFT) that shift register is corresponding conducting.
When second drives switch activated work, the 0th grade of shift register drives the 1st grade of shift register, the 1st grade of displacement
Depositor drives the 2nd grade of shift register by the second thin film transistor (TFT).
Scanning signal is sent to the 1st grade of shift register by i.e. the 0th grade shift register so that the 1st grade of shift register
Corresponding thin film transistor (TFT) conducting；Afterwards, scanning signal is sent to the by the 1st grade of shift register by the second thin film transistor (TFT)
2 grades of shift registers so that the 2nd grade of thin film transistor (TFT) that shift register is corresponding conducting.
By that analogy, when first drives switch activated work, the 2nd grade of shift register drives 3rd level shift register
Time, by the 4th grade of shift register of the first film transistor driving；......；N-2 level shift register drives N-1 level
During shift register, by the first film transistor driving N level shift register.
Need exist for explanation, when first drives switch activated work, it is also possible to be: the 1st grade of shift register drives
During dynamic 3rd level shift register, by the 4th grade of shift register of the first film transistor driving；......；N-3 level shifts
When depositor drives N-1 level shift register, by the first film transistor driving N level shift register.
When second drives switch activated work, the 0th grade of shift register drives the 1st grade of shift register, the 1st grade of displacement
Depositor drives the 2nd grade of shift register by the second thin film transistor (TFT)；......；N-2 level shift register drives N-1
Level shift register, N-1 level shift register drives N-2 level shift register by the second thin film transistor (TFT).
The schematic flow sheet of the driving method of a kind of gate drive apparatus that Fig. 4 provides for the embodiment of the present invention.Described side
Method can be as follows.
Step 401: detection is to start the first driving switch or start the second driving switch, if testing result
It is to start the first driving switch, then performs step 402；If testing result is to start the second driving switch, then perform
Step 403.
In step 401, gate drive apparatus receives the control instruction that time schedule controller sends, and described control instruction is root
Determine according to the resolution that image to be displayed is corresponding, described control instruction be used for controlling described first drive switch, described second
Drive switch activated work.
Gate drive apparatus, according to described control instruction, determines startup the first driving switch or starting the second driving opens
Close.
If gate drive apparatus determines that described control instruction is to control described first to drive switch activated work, then it is considered as inspection
Measure described first and drive switch activated work；
If gate drive apparatus determines that described control instruction is to control described second to drive switch activated work, then it is considered as inspection
Measure described second and drive switch activated work.
Step 402: when the first switch activated work of driving being detected, the first displacement in described gate drive apparatus is posted
Storage sends at least two shift register being connected with the scanning signal output part of described first shift register respectively and sweeps
Retouch signal so that it is described at least two shift register synchronizes to receive described scanning signal.
Wherein, described first switch is driven to be shifted with described at least two by the grid of different thin film transistor (TFT)s respectively
Depositor connects, described first shift register respectively by the drain electrode of described different thin film transistor (TFT) and source electrode and described extremely
Few two shift registers connect.
Step 403: when the second switch activated work of driving being detected, the first displacement in described gate drive apparatus is posted
Storage sends scanning signal to the second shift register being connected with the scanning signal output part of described first shift register, makes
Its described shift register receives described scanning signal.
Wherein, described second drive switch respectively by grid and described first shift LD of different thin film transistor (TFT)s
Device and/or described 3rd shift register connect.
Step 404: described scanning signal, when receiving described scanning signal, is sent to by described second shift register
The 3rd shift register being connected with the scanning signal output part of described second shift register.
Wherein, the scanning signal output part of described second shift register is connected with described 3rd shift register.
In step 404, the second shift register scanning signal output part by with described 3rd shift register
Scanning signal input part connects.
Wherein, the scanning signal output part of described second shift register is connected with the drain electrode of described thin film transistor (TFT), institute
The scanning signal input part of the source electrode and described 3rd shift register of stating thin film transistor (TFT) is connected, the grid of described thin film transistor (TFT)
Pole drives switch to be connected with described second.
In embodiments of the present invention, a kind of display floater, the raster data model included in this display floater are additionally provided
Device can use the gate drive apparatus described in above-described embodiment, and the gate drive apparatus recorded here is according to above-mentioned enforcement
Type of drive described in example is driven.
The driving principle schematic diagram of a kind of display floater that Fig. 5 provides for the embodiment of the present invention.Described method can be as follows
Shown in.
Step 501: receive image to be displayed.
Here image to be displayed can be the image information of digital signal form, then console controller needs numeral
The image to be displayed of signal is converted into the image to be displayed of analogue signal.
Step 502: be identified image to be displayed, determines the resolution for showing this image to be displayed.
Step 503: judge that the resolution of image to be displayed, whether less than setting threshold value, sets threshold value if being less than, then performs
Step 504；Otherwise, step 506 is performed.
Step 504: if it is determined that the resolution of image to be displayed is less than when setting threshold value, instruction time schedule controller drives to grid
Dynamic device sends control instruction, this control instruction instruction switch activated work of the first driving.
Step 505: gate drive apparatus, according to drive circuit, drives different shift registers to send scanning signal, makes
Obtain at least two shift register and be simultaneously received the scanning signal that same shift register sends.
In step 505, gate drive apparatus, according to drive circuit, drives different shift registers to send scanning signal
Mode can carry out according to the mode of Fig. 2 (a) or Fig. 3 (a), do not specifically describe.
The sequential chart of display floater when Fig. 6 is the first driving switch.Wherein, S0-SnFor every one-level shift register institute
Corresponding grid line, D1-DnData wire for source electrode driving device.
From fig. 6 it can be seen that when first drives switch activated work, Sn-2Simultaneously drive Sn-1And Sn.Drive at source electrode
Make (n-1)th grade of shift register and thin film transistor (TFT) conducting corresponding to n-th grade of shift register under the effect on galvanic electricity road, and then make
Obtain corresponding pixel cell the most luminous, effectively reduce gate drive apparatus and send the frequency of scanning signal, effectively drop
The low power consumption of gate drive apparatus.
Owing to n-th grade of shift register receives the scanning signal of the n-th-2 grades shift registers, and (n-1)th grade of displacement is posted
Storage connects the scanning signal receiving the n-th-2 grades shift registers equally, under the driving of source electrode driver, by source drive electricity
Road applies voltage to the thin film transistor (TFT) in each pixel cell, and at data wire Dn-1、DnEffect under make pixel cell send out
Light, so can either meet the resolution display requirement less than the image setting threshold value, decreases again gate drive apparatus and sends
The frequency of scanning signal, significantly reduces the power consumption of gate drive apparatus.
Step 506: if it is determined that the resolution of image to be displayed is not less than when setting threshold value, instruction time schedule controller is to grid
Driving means sends control instruction, this control instruction instruction switch activated work of the second driving.
Step 507: gate drive apparatus, according to drive circuit, drives different shift registers to send scanning letter step by step
Number.
In step 507, gate drive apparatus, according to drive circuit, drives different shift registers to send scanning signal
Mode can carry out according to the mode of Fig. 2 (b) or Fig. 3 (a), do not specifically describe.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and the modification model without deviating from the present invention to the present invention
Enclose.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then
The present invention is also intended to comprise these and changes and modification.
Claims (10)
1. a gate drive apparatus, it is characterised in that including: multiple shift registers, first drive switch and N number of first thin
Film transistor, N is natural number, wherein:
In the scanning signal output part of the first shift register in the plurality of shift register and N number of the first film transistor
At least one described the first film transistor drain electrode connect, the second shift register in the plurality of shift register
Scanning signal input part is connected with the source electrode of described the first film transistor, the grid of described the first film transistor and described the
One drives switch to connect；
Described second shift register, when described first drives switch activated work, receives described first shift register and sends out
The scanning signal sent, wherein, when described second shift register is when receiving described scanning signal, the plurality of shift LD
In device, at least one the 3rd shift register synchronizes to receive the scanning signal that described first shift register sends.
2. gate drive apparatus as described in claim 1, it is characterised in that described gate drive apparatus also includes: second
Driving switch and M the second thin film transistor (TFT), M is natural number, wherein:
In the scanning signal output part of the 4th shift register in the plurality of shift register the second thin film transistor (TFT) individual with M
Described second thin film transistor (TFT) drain electrode connect, the scanning of the 5th shift register in the plurality of shift register
Signal input part is connected with the source electrode of described second thin film transistor (TFT), and the grid of described second thin film transistor (TFT) drives with described second
Dynamic switch connects；
Described 5th shift register, when described second drives switch activated work, receives described 4th shift register and sends out
The scanning signal sent, described scanning signal is that described gate drive apparatus transmits after controlled signal drives step by step.
3. gate drive apparatus as described in claim 1, it is characterised in that described gate drive apparatus also includes: second
Driving switch and M the second thin film transistor (TFT), M is natural number, wherein:
The scanning signal input part of described 3rd shift register is with the scanning signal output part of described first shift register even
Connect；
The scanning signal output part of described 3rd shift register and described second thin film in M the second thin film transistor (TFT)
The drain electrode of transistor connects, the scanning signal input part of described second shift register and the source electrode of described second thin film transistor (TFT)
Connecting, the grid of described second thin film transistor (TFT) drives switch to be connected with described second；
Described 3rd shift register, when described second drives switch activated work, receives described first shift register and sends out
The scanning signal sent, and by described second thin film transistor (TFT), described scanning signal is sent to described second shift register,
Described scanning signal is that described gate drive apparatus transmits after controlled signal drives step by step.
4. a gate drive apparatus, it is characterised in that including: N level shift register, first drive switch and M first thin
Film transistor, N and M is natural number, and N is more than M, wherein:
The scanning signal output part of the N-1 level shift register in the plurality of shift register and M the first film crystal
The drain electrode of the described the first film transistor of at least one in pipe connects, the N+1 level displacement in the plurality of shift register
The scanning signal input part of depositor is connected with the source electrode of described the first film transistor, the grid of described the first film transistor
Switch is driven to be connected with described first；
Described N+1 level shift register, when described first drives switch activated work, receives the displacement of described N-1 level and posts
The scanning signal that storage sends is wherein, when described N+1 level shift register is when receiving described scanning signal, described many
N level shift register in individual shift register synchronizes to receive the scanning signal that described N-1 level shift register sends.
5. gate drive apparatus as described in claim 4, it is characterised in that described gate drive apparatus also includes: second
Driving switch and M the second thin film transistor (TFT), M is natural number, wherein:
The scanning signal output part of the N level shift register in the plurality of shift register and M the second thin film transistor (TFT)
In described second thin film transistor (TFT) drain electrode connect, the N+1 level shift register in the plurality of shift register
Scanning signal input part be connected with the source electrode of described second thin film transistor (TFT), the grid of described second thin film transistor (TFT) is with described
Second drives switch to connect；
Described N+1 level shift register, when described second drives switch activated work, receives described N level shift LD
The scanning signal that device sends, described scanning signal is that described gate drive apparatus transmits after controlled signal drives step by step.
6. a driving method based on the gate drive apparatus described in claim 1, it is characterised in that including:
When the first switch activated work of driving being detected, the first shift register in described gate drive apparatus respectively to
At least two shift register that the scanning signal output part of described first shift register connects sends scanning signal so that it is institute
State at least two shift register to synchronize to receive described scanning signal；
Wherein, described first drive switch respectively by the grid of different thin film transistor (TFT)s and described at least two shift LD
Device connects, and described first shift register is respectively by drain electrode and the source electrode and described at least two of described different thin film transistor (TFT)
Individual shift register connects.
7. the driving method of gate drive apparatus as claimed in claim 6, it is characterised in that described method also includes:
When the second switch activated work of driving being detected, the first shift register in described gate drive apparatus is to described
The second shift register that the scanning signal output part of the first shift register connects sends scanning signal so that it is described displacement is posted
Storage receives described scanning signal；
Described scanning signal, when receiving described scanning signal, is sent to move with described second by described second shift register
The 3rd shift register that the scanning signal output part of bit register connects；
Wherein, described second drive switch respectively by grid and described first shift register of different thin film transistor (TFT)s
And/or described 3rd shift register connect.
8. the driving method of gate drive apparatus as claimed in claim 7, it is characterised in that described second shift register
Scanning signal output part is connected with described 3rd shift register, including:
The scanning signal output part of the second shift register is by the scanning signal input part with described 3rd shift register even
Connect；
Wherein, the scanning signal output part of described second shift register is connected with the drain electrode of described thin film transistor (TFT), described thin
The source electrode of film transistor is connected with the scanning signal input part of described 3rd shift register, the grid of described thin film transistor (TFT) with
Described second drives switch to connect.
The driving method of gate drive apparatus the most as claimed in claims 6 or 7, it is characterised in that detect that the first driving is opened
Close the/the second switch activated work of driving, including:
Receiving the control instruction that time schedule controller sends, described control instruction is to determine according to the resolution that image to be displayed is corresponding
, described control instruction is used for controlling described first and drives switch, the described second switch activated work of driving；
If described control instruction is to control described first to drive switch activated work, then detect that described first driving is switch activated
Work；
If described control instruction is to control described second to drive switch activated work, then detect that described second driving is switch activated
Work.
10. a display floater, it is characterised in that comprise the gate drive apparatus as described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782874.6A CN106157873B (en) | 2016-08-31 | 2016-08-31 | A kind of gate drive apparatus, driving method and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782874.6A CN106157873B (en) | 2016-08-31 | 2016-08-31 | A kind of gate drive apparatus, driving method and display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106157873A true CN106157873A (en) | 2016-11-23 |
| CN106157873B CN106157873B (en) | 2019-02-26 |
Family
ID=57344699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782874.6A Active CN106157873B (en) | 2016-08-31 | 2016-08-31 | A kind of gate drive apparatus, driving method and display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106157873B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018149130A1 (en) * | 2017-02-17 | 2018-08-23 | 京东方科技集团股份有限公司 | Shift register, gate driving method, array substrate, and display device |
| WO2018149116A1 (en) * | 2017-02-17 | 2018-08-23 | 京东方科技集团股份有限公司 | Shift register, gate line driving method, array substrate and display device |
| CN110910834A (en) * | 2019-12-05 | 2020-03-24 | 京东方科技集团股份有限公司 | Source driver, display panel, control method of display panel and display device |
| CN111179812A (en) * | 2020-03-16 | 2020-05-19 | 昆山国显光电有限公司 | Display panel, driving method thereof and display device |
| CN111243487A (en) * | 2020-03-18 | 2020-06-05 | 昆山国显光电有限公司 | Display panel, driving method of display panel and display device |
| CN111696471A (en) * | 2020-07-13 | 2020-09-22 | 京东方科技集团股份有限公司 | Driving circuit, display panel and display driving method |
| CN112820227A (en) * | 2019-11-18 | 2021-05-18 | 瀚宇彩晶股份有限公司 | Gate drive circuit |
| CN114519977A (en) * | 2020-11-19 | 2022-05-20 | 上海和辉光电股份有限公司 | Array substrate and display panel |
| WO2022160160A1 (en) * | 2021-01-28 | 2022-08-04 | 京东方科技集团股份有限公司 | Gate driving circuit, method for driving same, and display panel |
| 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 |
| WO2024113664A1 (en) * | 2022-11-29 | 2024-06-06 | 云谷（固安）科技有限公司 | Display driving circuit, control method therefor, and display apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050001790A (en) * | 2003-06-26 | 2005-01-07 | 엘지.필립스 엘시디 주식회사 | Apparatus and method for driving of liquid crystal display device |
| CN1848236A (en) * | 2005-04-15 | 2006-10-18 | 统宝光电股份有限公司 | Circuit structure for dual resolution design, display panel using same and electronic device |
| CN103680442A (en) * | 2013-12-06 | 2014-03-26 | 合肥京东方光电科技有限公司 | Gating drive circuit, grid drive circuit and display device |
| CN104078015A (en) * | 2014-06-18 | 2014-10-01 | 京东方科技集团股份有限公司 | Gate drive circuit, array substrate, display device and driving method |
| CN104599657A (en) * | 2015-03-04 | 2015-05-06 | 京东方科技集团股份有限公司 | Drive circuit and drive method for double-gate pixel structure, display panel and display device |
| CN104966506A (en) * | 2015-08-06 | 2015-10-07 | 京东方科技集团股份有限公司 | Shifting register, driving method for display panel and related 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 |
-
2016
- 2016-08-31 CN CN201610782874.6A patent/CN106157873B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050001790A (en) * | 2003-06-26 | 2005-01-07 | 엘지.필립스 엘시디 주식회사 | Apparatus and method for driving of liquid crystal display device |
| CN1848236A (en) * | 2005-04-15 | 2006-10-18 | 统宝光电股份有限公司 | Circuit structure for dual resolution design, display panel using same and electronic device |
| CN103680442A (en) * | 2013-12-06 | 2014-03-26 | 合肥京东方光电科技有限公司 | Gating drive circuit, grid drive circuit and display device |
| CN104078015A (en) * | 2014-06-18 | 2014-10-01 | 京东方科技集团股份有限公司 | Gate drive circuit, array substrate, display device and driving method |
| CN104599657A (en) * | 2015-03-04 | 2015-05-06 | 京东方科技集团股份有限公司 | Drive circuit and drive method for double-gate pixel structure, display panel and display device |
| CN104966506A (en) * | 2015-08-06 | 2015-10-07 | 京东方科技集团股份有限公司 | Shifting register, driving method for display panel and related 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 |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018149116A1 (en) * | 2017-02-17 | 2018-08-23 | 京东方科技集团股份有限公司 | Shift register, gate line driving method, array substrate and display device |
| WO2018149130A1 (en) * | 2017-02-17 | 2018-08-23 | 京东方科技集团股份有限公司 | Shift register, gate driving method, array substrate, and display device |
| US10891886B2 (en) | 2017-02-17 | 2021-01-12 | Boe Technology Group Co., Ltd. | Shift register, gate line driving method, array substrate and display device for high and low resolution areas |
| US11151918B2 (en) | 2017-02-17 | 2021-10-19 | Boe Technology Group Co., Ltd. | Shift register, gate line driving method, array substrate, and display apparatus |
| CN112820227B (en) * | 2019-11-18 | 2024-05-07 | 瀚宇彩晶股份有限公司 | Gate driving circuit |
| CN112820227A (en) * | 2019-11-18 | 2021-05-18 | 瀚宇彩晶股份有限公司 | Gate drive circuit |
| US11804184B2 (en) | 2019-12-05 | 2023-10-31 | Boe Technology Group Co., Ltd. | Source driver, display panel and control method therefor, and display apparatus with adjustable number of data output channels |
| CN110910834A (en) * | 2019-12-05 | 2020-03-24 | 京东方科技集团股份有限公司 | Source driver, display panel, control method of display panel and display device |
| WO2021109969A1 (en) * | 2019-12-05 | 2021-06-10 | 京东方科技集团股份有限公司 | Source driver, display panel and control method therefor, and display apparatus |
| CN111179812A (en) * | 2020-03-16 | 2020-05-19 | 昆山国显光电有限公司 | Display panel, driving method thereof and display device |
| CN111243487A (en) * | 2020-03-18 | 2020-06-05 | 昆山国显光电有限公司 | Display panel, driving method of display panel and display device |
| CN111696471A (en) * | 2020-07-13 | 2020-09-22 | 京东方科技集团股份有限公司 | Driving circuit, display panel and display driving method |
| CN114519977A (en) * | 2020-11-19 | 2022-05-20 | 上海和辉光电股份有限公司 | Array substrate and display panel |
| WO2022160160A1 (en) * | 2021-01-28 | 2022-08-04 | 京东方科技集团股份有限公司 | Gate driving circuit, method for driving same, and display panel |
| US11837133B2 (en) | 2021-01-28 | 2023-12-05 | Boe Technology Group Co., Ltd. | Gate driving circuit, method of driving gate driving circuit, and display panel |
| 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 |
| WO2024113664A1 (en) * | 2022-11-29 | 2024-06-06 | 云谷（固安）科技有限公司 | Display driving circuit, control method therefor, and display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106157873B (en) | 2019-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106157873A (en) | A kind of gate drive apparatus, driving method and display floater | |
| CN101122720B (en) | Gate driver and display apparatus having the same | |
| CN101093304B (en) | Flat-panel display member and driving method thereof | |
| CN101261412B (en) | Display apparatus and method of driving the same | |
| CN103680387B (en) | A kind of shift register and driving method, display device | |
| US7969402B2 (en) | Gate driving circuit and display device having the same | |
| CN102682689B (en) | Shift register, grid drive circuit and display device | |
| CN105047228B (en) | A kind of shift register and its driving method, driving circuit and display device | |
| CN101383133B (en) | Shifting cache unit for eliminating ghost | |
| US10984738B2 (en) | Driving device and driving method of display panel | |
| CN109389948A (en) | Gate drivers and panel display apparatus including the gate drivers | |
| CN109584809A (en) | Gate drivers and panel display apparatus including it | |
| EP4227934A1 (en) | Emission control driver and organic light emitting display device having the same | |
| CN104240765B (en) | Shift register cell and driving method, gate driving circuit and display device | |
| CN101320539A (en) | Display and method of driving the same | |
| CN108091305A (en) | Display device | |
| CN102629444A (en) | Circuit of gate drive on array, shift register and display screen | |
| EP2317502A2 (en) | Display apparatus | |
| CN101587700A (en) | Liquid crystal display and method for driving same | |
| CN103617775A (en) | A shifting register unit, a grid electrode driving circuit, and a display | |
| CN106875918A (en) | Pulse generation unit, array base palte, display device, drive circuit and method | |
| CN105390102A (en) | Gate driving circuit and display device using circuit | |
| CN101593561A (en) | Lcd | |
| CN104966489B (en) | Array base palte horizontal drive circuit | |
| CN103123777A (en) | Driving apparatus for image display device and method for driving the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201208 Address after: No.146 Tianying Road, high tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu CHENXIAN photoelectric Co.,Ltd. Address before: 215300, 188, Feng Feng Road, Kunshan hi tech Zone, Suzhou, Jiangsu, Kunshan Patentee before: Kunshan New Flat Panel Display Technology Center Co.,Ltd. |
|
| TR01 | Transfer of patent right |