CN109003588A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN109003588A CN109003588A CN201810882736.4A CN201810882736A CN109003588A CN 109003588 A CN109003588 A CN 109003588A CN 201810882736 A CN201810882736 A CN 201810882736A CN 109003588 A CN109003588 A CN 109003588A
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- Prior art keywords
- thin film
- drop
- tft
- film transistor
- electrically connected
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- 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
A kind of liquid crystal display device, comprising: a plurality of source electrode line；A plurality of grid line, the source electrode line and the grid line define multiple pixels；And GOA driving circuit, including multiple cascade GOA modules, every level-one GOA module is electrically connected at least two scan lines in the multi-strip scanning line and sequentially at least two scan lines into the multi-strip scanning line provide scanning signal.
Description
Technical field
This announcement is related to display device, more particularly to a kind of liquid crystal display device.
Background technique
In a liquid crystal display panel, scan line is by the grid-driving integrated circuit external with the liquid crystal display panel
(Integrated Circuit, IC) drives.
The technology of another kind driving scan line is GOA (Gate driver On Array) technology.GOA technology refers to grid
Pole driving circuit is directly made in the array substrate of liquid crystal display panel, therefore it is integrated not need above-mentioned external gate driving
Circuit.Since directly gate driving circuit can be made in array substrate using existing processing procedure, manufacture can be reduced
Cost and the liquid crystal display device for being suitable for narrow frame and slimming.
Existing GOA driving circuit includes multiple GOA modules, and each GOA module is swept for providing scan signal to one
Retouch line.That is, N scan line needs N number of GOA module.The quantity of GOA module will make liquid crystal display device reach
It is restricted when narrow frame and the purpose of slimming.
Therefore it needs to propose a solution to the problems of the prior art.
Summary of the invention
This announcement is designed to provide a kind of liquid crystal display device, can solve the problems of the prior art.
To solve the above problems, a kind of liquid crystal display device that this announcement provides includes: a plurality of source electrode line；A plurality of grid
Line, the source electrode line and the grid line define multiple pixels；And GOA driving circuit, including multiple cascade GOA moulds
Block, every level-one GOA module are electrically connected at least two scan lines in the multi-strip scanning line and sequentially a plurality of sweep to described
At least two scan lines retouched in line provide scanning signal.
In an embodiment, the GOA driving circuit alternately receives the first clock signal and second clock signal.
In an embodiment, every level-one GOA module be electrically connected to three scan lines in the multi-strip scanning line and according to
Three scan lines of the sequence into the multi-strip scanning line provide scanning signal, three scan lines point of every level-one GOA module
Not by one control signal control, when it is described control signal conduction and first clock signal input to singular grade GOA module
When, the scan line of the corresponding control signal receives the scanning signal of conducting, when the control signal conduction and it is described second when
When clock signal is input to the GOA module of even level, the scan line of the corresponding control signal receives the scanning signal of conducting.
In an embodiment, the control signal of three scan lines of every level-one GOA module is controlled sequentially
Conducting.
In an embodiment, every level-one GOA module includes: a pull-up control module, for according to an enabling signal or root
A scanning level signal is generated according to the scanning signal of a previous stage；One pull-up module is electrically connected the pull-up control module simultaneously
For drawing high the scanning level signal according to scanning one of level signal and the same level clock signal；
One pull-down module is electrically connected the pull-up control module and the pull-up module and for according to a next stage
Scanning signal or according to the enabling signal, exports sweeping to the same level for low level voltage provided by a low level constant pressure source
Retouch the output end of signal；One first drop-down maintenance module, is electrically connected to the pull-up control module, the pull-up module and institute
It states pull-down module and is low level for maintaining the scanning signal of the same level；One second drop-down maintenance module, is electrically connected to described
Pull-up control module, the pull-up module, the pull-down module and the first drop-down maintenance module simultaneously are used to maintain the same level
Scanning level signal is low level；And a bootstrap capacitor, be electrically connected to the pull-up control module, the pull-up module,
The pull-down module, the first drop-down maintenance module and the second drop-down maintenance module and the scanning electricity for generating the same level
The high level of ordinary mail number.
In an embodiment, the pull-up control module includes: pull-up control thin film transistor (TFT), and the pull-up control is thin
The grid and source electrode of film transistor are used to receive the scanning signal of the enabling signal or the previous stage, and the pull-up control is thin
The drain electrode of film transistor is for generating the scanning level signal.
In an embodiment, the pull-up module includes: a pull-up thin film transistor (TFT), the grid of the pull-up thin film transistor (TFT)
Pole is electrically connected to the drain electrode of the pull-up control thin film transistor (TFT) and for receiving the scanning level signal, and the pull-up is thin
The source electrode of film transistor receives first clock signal or the second clock signal, the drain electrode of the pull-up thin film transistor (TFT)
It is electrically connected to the output end of the scanning signal.
In an embodiment, the pull-down module includes: one first pull-down thin film, and the first drop-down film is brilliant
The grid of body pipe is electrically connected to the scanning signal of the next stage GOA module or is electrically connected to the enabling signal, described
The source electrode of first pull-down thin film is electrically connected to the scanning level signal, the leakage of first pull-down thin film
Pole is electrically connected to the low level constant pressure source；And one second pull-down thin film, second pull-down thin film
Grid be electrically connected to the scanning signal of the next stage GOA module or be electrically connected to the enabling signal, described second
The source electrode of pull-down thin film is electrically connected to the drain electrode of the pull-up thin film transistor (TFT), second pull-down thin film
Drain electrode be electrically connected to the low level constant pressure source.
In an embodiment, the first drop-down maintenance module includes: that one first drop-down maintains thin film transistor (TFT), and described the
One drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to the drain electrode of the pull-up thin film transistor (TFT), and described first pulls down maintenance
The drain electrode of thin film transistor (TFT) is electrically connected to the low level constant pressure source；One second drop-down maintenance thin film transistor (TFT), described second
Drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to the grid that first drop-down maintains thin film transistor (TFT), under described second
The source electrode for maintaining thin film transistor (TFT) is drawn to be electrically connected to the scanning level signal, second drop-down maintains thin film transistor (TFT)
Drain electrode is electrically connected to the low level constant pressure source；The drop-down of one third maintains thin film transistor (TFT), and the third drop-down maintains film
The grid and source electrode of transistor are electrically connected to one first drop-down control signal；One the 4th drop-down maintains thin film transistor (TFT), described
4th drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to the scanning level signal, and the 4th drop-down maintains film brilliant
The source electrode of body pipe is electrically connected to the drain electrode that the third drop-down maintains thin film transistor (TFT), and the 4th drop-down maintains film crystal
The drain electrode of pipe is electrically connected to the low level constant pressure source；One the 5th drop-down maintains thin film transistor (TFT), and the 5th drop-down maintains
The grid of thin film transistor (TFT) is electrically connected to the drain electrode that the third drop-down maintains thin film transistor (TFT), and the 5th drop-down remains thin
The source electrode of film transistor is electrically connected to the first drop-down control signal, and the 5th drop-down maintains the drain electrode of thin film transistor (TFT)
It is electrically connected to the grid that first drop-down maintains thin film transistor (TFT)；And one the 6th drop-down maintain thin film transistor (TFT), it is described
6th drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to the scanning level signal, and the 6th drop-down maintains film brilliant
The source electrode of body pipe is electrically connected to the grid that first drop-down maintains thin film transistor (TFT), and the 6th drop-down maintains film crystal
The drain electrode of pipe is electrically connected to the low level constant pressure source.
In an embodiment, the second drop-down maintenance module includes: that one the 7th drop-down maintains thin film transistor (TFT), and described the
Seven drop-downs maintain the source electrode of thin film transistor (TFT) to be electrically connected to the drain electrode of the pull-up thin film transistor (TFT), and the described 7th pulls down maintenance
The drain electrode of thin film transistor (TFT) is electrically connected to the low level constant pressure source；One the 8th drop-down maintenance thin film transistor (TFT), the described 8th
Drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to the grid that the 7th drop-down maintains thin film transistor (TFT), under the described 8th
The source electrode for maintaining thin film transistor (TFT) is drawn to be electrically connected to the scanning level signal, the 8th drop-down maintains thin film transistor (TFT)
Drain electrode is electrically connected to the low level constant pressure source；One the 9th drop-down maintains thin film transistor (TFT), and the 9th drop-down maintains film
The grid and source electrode of transistor are electrically connected to one second drop-down control signal；The tenth drop-down maintains thin film transistor (TFT), described
Tenth drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to the scanning level signal, and the tenth drop-down maintains film brilliant
The source electrode of body pipe is electrically connected to the drain electrode that the 9th drop-down maintains thin film transistor (TFT), and the tenth drop-down maintains film crystal
The drain electrode of pipe is electrically connected to the low level constant pressure source；The 11st drop-down maintains thin film transistor (TFT), the 11st drop-down
The grid of thin film transistor (TFT) is maintained to be electrically connected to the drain electrode that the 9th drop-down maintains thin film transistor (TFT), the 11st drop-down
The source electrode of thin film transistor (TFT) is maintained to be electrically connected to the second drop-down control signal, the 11st drop-down maintains film crystal
The drain electrode of pipe is electrically connected to the grid that the 7th drop-down maintains thin film transistor (TFT)；And 1 the 12nd drop-down maintain film brilliant
Body pipe, the 12nd drop-down maintain the grid of thin film transistor (TFT) to be electrically connected to the scanning level signal, and the described 12nd
Drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to the grid that the 7th drop-down maintains thin film transistor (TFT).Described 12nd
Drop-down maintains the drain electrode of thin film transistor (TFT) to be electrically connected to the low level constant pressure source.
Compared to the prior art, in the liquid crystal display device of this announcement, since every level-one GOA module is electrically connected at least
Two scan lines, therefore the purpose that the quantity of GOA module can be saved, and then more narrow frame can be reached and be more thinned.
For the above content of this announcement can be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate institute's accompanying drawings, makees
Detailed description are as follows:
Detailed description of the invention
Fig. 1 shows the liquid crystal display device according to one embodiment of this announcement.
Fig. 2 is shown according to one of one embodiment of this announcement GOA module.
Fig. 3 shows area's drive waveforms figure according to one embodiment of this announcement.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate this announcement with reference to additional schema
Example.
Referring to Fig. 1, Fig. 1 shows the liquid crystal display device according to one embodiment of this announcement.The liquid crystal display device packet
Include multi-strip scanning line G1-GN, multiple data lines D1-DM and a GOA driving circuit 12.
The data line D1-DM is formed along a first direction.The scan line G1-GN is formed along a second direction.It is described
First direction is perpendicular to the second direction.The data line D1-DM and the scan line G1-GN define multiple pixels 14.
Each pixel 104 is electrically connected to a thin film transistor (TFT) 16.
The GOA driving circuit 12 includes multiple cascade GOA modules 120.Every level-one GOA module receives corresponding clock
Signal.
One of liquid crystal display device of this announcement feature is that every level-one GOA module 120 is electrically connected to described a plurality of sweep
It retouches at least two scan lines in line G1-GN and sequentially at least two scan lines into the multi-strip scanning line G1-GN provides
Scanning signal.At least two scan lines are continuous two scan lines.
In the embodiment of Fig. 1, every level-one GOA module 120 is electrically connected to three in the multi-strip scanning line G1-GN
Scan line and sequentially three scan lines offer scanning signal into the multi-strip scanning line G1-GN.Three scan lines are
Continuous three scan lines.For example, first GOA module 120 is electrically connected to scan line G1-G3 and is sequentially provided scanning
Signal gives the scan line G1-G3.In other words, first GOA module 120 is not to provide scanning signal simultaneously to the scan line
G1-G3.Similarly, second GOA module 120 is electrically connected to scan line G4-G6 and is sequentially provided scanning signal and sweep to described
Retouch line G4-G6.In other words, second GOA module 120 is not to provide scanning signal simultaneously to the scan line G4-G6.
Fig. 1 and Fig. 2 is please referred to, Fig. 2 is shown according to one of one embodiment of this announcement GOA module 120.
The GOA module 120 includes pull-up a control module 1200, a pull-up module 1202, a pull-down module 1204, one
First drop-down maintenance module 1206, one second pulls down maintenance module 1208 and a bootstrap capacitor C.
In the liquid crystal display device of this announcement, the GOA driving circuit 12 alternately receives one first clock signal
A CLK1 and second clock signal CLK2.First clock signal clk 1 and the second clock signal CLK2 are phase phase
Anti- signal and respectively there is a high level and a low level.The first clock CLK1 is input to the GOA module of singular grade
120, i.e., the 1st, 3,5 ... the GOA unit module 120 of grade.The second clock signal CLK2 is input to the GOA module of even level
120, i.e., the 2nd, 4,6 ... the GOA unit module 120 of grade.
One low level constant pressure source VSS and the first drop-down maintenance module 1206, the second drop-down maintenance module 1208
And the pull-down module 1204 is electrically connected.The low level constant pressure source VSS is for fixedly providing a low level voltage.
The pull-up control module 1200 is used for according to an enabling signal (STV, when the GOA module 120 is the first order
When) or according to the scanning signal G (N-1) of a previous stage (when the GOA module 120 is one of them of the second level to N grade
When) generate scanning level signal Q (N).
The pull-up module 1202 is electrically connected the pull-up control module 1200 and for being believed according to the scanning level
Number and the clock signal (the first clock CLK1 or the second clock signal CLK2) of the same level draw high the scanning level
Signal.
The pull-down module 1204 is electrically connected the pull-up control module 1200 and the pull-up module 1202 and is used for
According to the scanning signal (when one of them of the GOA module 120 for the first order to N-1 grade) of a next stage or according to institute
Enabling signal (STV, when the GOA module 120 is N grades) is stated, by low level provided by the low level constant pressure source VSS
Voltage output to the same level scanning signal G (N) output end.
The first drop-down maintenance module 1206 is electrically connected to the pull-up control module 1200, the pull-up module
1202 and the pull-down module 1204 and for maintain the same level scanning signal be low level.
The second drop-down maintenance module 1208 is electrically connected to the pull-up control module 1200, the pull-up module
1202, the pull-down module 1204 and the first drop-down maintenance module 1206 and the scanning level signal for maintaining the same level is
Low level.
The bootstrap capacitor C is electrically connected to the pull-up control module 1200, the pull-up module 1202, the drop-down
Module 1204, the first drop-down maintenance module 1206 and the second drop-down maintenance module 1208 simultaneously are used to generate sweeping for the same level
Retouch the high level of level signal.
The pull-up control module 1200 includes that a pull-up controls thin film transistor (TFT) T11.
The grid and source electrode of the pull-up control thin film transistor (TFT) T11 is for receiving the enabling signal (when the GOA mould
When block 120 is the first order) or the previous stage scanning signal G (N-1) (when the GOA module 120 is the second level to N grades
One of them when).The drain electrode of the pull-up control thin film transistor (TFT) T11 is for generating the scanning level signal Q (N).
The pull-up module 1202 includes a pull-up thin film transistor (TFT) T21.
The grid of the pull-up thin film transistor (TFT) T21 is electrically connected to the drain electrode of the pull-up control thin film transistor (TFT) T11
And for receiving the scanning level signal Q (N).The source electrode of the pull-up thin film transistor (TFT) T21 receives the first clock letter
Number CLK1 (when the GOA module 120 is the GOA module 120 of singular grade) or the second clock signal CLK2 are (when described
When GOA module 120 is the GOA module 120 of even level).The drain electrode of the pull-up thin film transistor (TFT) T21 is electrically connected to described sweep
Retouch the output end of signal G (N).
The pull-down module 1204 includes one first pull-down thin film T41 and one second pull-down thin film
T31。
The grid of the first pull-down thin film T41 is electrically connected to the scanning letter of the next stage GOA module 120
Number G (N+1) (when the GOA module 120 is one of them of the first order to N-1 grade) is electrically connected to the starting and believes
Number (STV, when the GOA module 120 be N grades when).The source electrode of the first pull-down thin film T41 is electrically connected to institute
State scanning level signal Q (N).The drain electrode of the first pull-down thin film T41 is electrically connected to the low level constant pressure source
VSS。
The grid of the second pull-down thin film T31 is electrically connected to the scanning letter of the next stage GOA module 120
Number G (N+1) (when the GOA module 120 is one of them of the first order to N-1 grade) is electrically connected to the starting and believes
Number (STV, when the GOA module 120 be N grades when).The source electrode of the second pull-down thin film T31 is electrically connected to institute
State the drain electrode of pull-up thin film transistor (TFT) T21.The drain electrode of the second pull-down thin film T31 is electrically connected to the low level
Constant pressure source VSS.
The first drop-down maintenance module 1206 includes that one first drop-down maintains thin film transistor (TFT) T32, one second drop-down dimension
Hold thin film transistor (TFT) T42, third drop-down maintains thin film transistor (TFT) T51, one the 4th drop-down maintains thin film transistor (TFT) T52, one the
Five drop-downs maintain the drop-down of thin film transistor (TFT) T53 and one the 6th to maintain thin film transistor (TFT) T54.
First drop-down maintains the source electrode of thin film transistor (TFT) T32 to be electrically connected to the pull-up thin film transistor (TFT) T21's
Drain electrode.First drop-down maintains the drain electrode of thin film transistor (TFT) T32 to be electrically connected to the low level constant pressure source VSS.
Second drop-down maintains the grid of thin film transistor (TFT) T42 to be electrically connected to first drop-down and maintains film crystal
The grid of pipe T32.Second drop-down maintains the source electrode of thin film transistor (TFT) T42 to be electrically connected to the scanning level signal Q
(N).Second drop-down maintains the drain electrode of thin film transistor (TFT) T42 to be electrically connected to the low level constant pressure source VSS.
The third drop-down maintains the grid of thin film transistor (TFT) T51 and source electrode to be electrically connected to one first drop-down control signal
LC1。
4th drop-down maintains the grid of thin film transistor (TFT) T52 to be electrically connected to the scanning level signal Q (N).Institute
Stating the 4th drop-down maintains the source electrode of thin film transistor (TFT) T52 to be electrically connected to the leakage that the third drop-down maintains thin film transistor (TFT) T51
Pole.4th drop-down maintains the drain electrode of thin film transistor (TFT) T52 to be electrically connected to the low level constant pressure source VSS.
5th drop-down maintains the grid of thin film transistor (TFT) T53 to be electrically connected to the third drop-down and maintains film crystal
The drain electrode of pipe T51.5th drop-down maintains the source electrode of thin film transistor (TFT) T53 to be electrically connected to the first drop-down control signal
LC1.5th drop-down maintains the drain electrode of thin film transistor (TFT) T53 to be electrically connected to first drop-down and maintains thin film transistor (TFT)
The grid of T32.
6th drop-down maintains the grid of thin film transistor (TFT) T54 to be electrically connected to the scanning level signal Q (N).Institute
Stating the 6th drop-down maintains the source electrode of thin film transistor (TFT) T54 to be electrically connected to the grid that first drop-down maintains thin film transistor (TFT) T32
Pole.6th drop-down maintains the drain electrode of thin film transistor (TFT) T54 to be electrically connected to the low level constant pressure source VSS.
The second drop-down maintenance module 1208 includes that one the 7th drop-down maintains thin film transistor (TFT) T33, one the 8th drop-down dimension
Hold thin film transistor (TFT) T43, one the 9th drop-down maintains thin film transistor (TFT) T61,1 the tenth drop-down maintains thin film transistor (TFT) T62, one the
11 drop-downs maintain the drop-down of thin film transistor (TFT) T63 and 1 the 12nd to maintain thin film transistor (TFT) T64.
7th drop-down maintains the source electrode of thin film transistor (TFT) T33 to be electrically connected to the pull-up thin film transistor (TFT) T21's
Drain electrode.7th drop-down maintains the drain electrode of thin film transistor (TFT) T33 to be electrically connected to the low level constant pressure source VSS.
8th drop-down maintains the grid of thin film transistor (TFT) T43 to be electrically connected to the 7th drop-down and maintains film crystal
The grid of pipe T33.8th drop-down maintains the source electrode of thin film transistor (TFT) T43 to be electrically connected to the scanning level signal Q
(N).8th drop-down maintains the drain electrode of thin film transistor (TFT) T43 to be electrically connected to the low level constant pressure source VSS.
9th drop-down maintains the grid of thin film transistor (TFT) T61 and source electrode to be electrically connected to one second drop-down control signal
LC2。
Tenth drop-down maintains the grid of thin film transistor (TFT) T62 to be electrically connected to the scanning level signal Q (N).Institute
Stating the tenth drop-down maintains the source electrode of thin film transistor (TFT) T62 to be electrically connected to the leakage that the 9th drop-down maintains thin film transistor (TFT) T61
Pole.Tenth drop-down maintains the drain electrode of thin film transistor (TFT) T62 to be electrically connected to the low level constant pressure source VSS.
11st drop-down maintains the grid of thin film transistor (TFT) T63 to be electrically connected to the 9th drop-down and maintains film crystalline substance
The drain electrode of body pipe T61.11st drop-down maintains the source electrode of thin film transistor (TFT) T63 to be electrically connected to the second drop-down control
Signal LC2.11st drop-down maintains the drain electrode of thin film transistor (TFT) T63 to be electrically connected to the 7th drop-down and maintains film crystalline substance
The grid of body pipe T33.
12nd drop-down maintains the grid of thin film transistor (TFT) T64 to be electrically connected to the scanning level signal Q (N).
12nd drop-down maintains the source electrode of thin film transistor (TFT) T64 to be electrically connected to the 7th drop-down and maintains thin film transistor (TFT) T33
Grid.12nd drop-down maintains the drain electrode of thin film transistor (TFT) T64 to be electrically connected to the low level constant pressure source VSS.
It please refers to Fig.1 to Fig.3, Fig. 3 shows area's drive waveforms figure according to one embodiment of this announcement.
As shown in figure 3, the liquid crystal display device starts to sweep after enabling signal STV is converted to low level from high level
Retouch these scan lines G1-GN.
As described above, in the liquid crystal display device of Fig. 1, every level-one GOA module 120 be electrically connected to three scan lines and
Scanning signal is sequentially provided to three scan lines.More particularly, three scan lines control signal pair with one respectively
It answers, that is, by three scan lines respectively by a control signal control.For example, scan line G1 is corresponding with control signal CLT1,
Scan line G2 is corresponding with control signal CLT2, and scan line G3 is corresponding with control signal CLT3.Control signal CLT1-CLT3 is sequentially led
It is logical.
When control signal conduction and the clock signal (first clock signal clk 1 or the second clock signal
When CLK2) being connected, corresponding scan line can just receive the scanning signal of conducting.
As shown in figure 3, when control signal CLT1 conducting (being located at high level) and first clock signal clk 1 conducting (position
In high level) when, corresponding scan line G1 receives the scanning signal of conducting.When control signal CLT2 conducting (being located at high level)
And when first clock signal clk 1 conducting (being located at high level), corresponding scan line G2 receives the scanning signal of conducting.
It is corresponding when controlling signal CLT3 conducting (being located at high level) and first clock signal clk 1 conducting (being located at high level)
Scan line G3 receives the scanning signal of conducting.
In the liquid crystal display device of this announcement, since every level-one GOA module is electrically connected at least two scan lines,
The quantity of GOA module, and then the purpose that more narrow frame can be reached and be more thinned can be saved.
Although above preferred embodiment is not to limit in conclusion this announcement is disclosed above with preferred embodiment
This announcement is made, those skilled in the art can make various changes and profit in the spirit and scope for not departing from this announcement
Decorations, therefore the protection scope of this announcement subjects to the scope of the claims.
Claims (10)
1. a kind of liquid crystal display device characterized by comprising
A plurality of source electrode line；
A plurality of grid line, the source electrode line and the grid line define multiple pixels；And
GOA driving circuit, including multiple cascade GOA modules, every level-one GOA module are electrically connected in the multi-strip scanning line
At least two scan lines and sequentially at least two scan lines into the multi-strip scanning line provide scanning signals.
2. liquid crystal display device according to claim 1, which is characterized in that the GOA driving circuit alternately receives
One clock signal and second clock signal.
3. liquid crystal display device according to claim 2, which is characterized in that every level-one GOA module is electrically connected to described
Three scan lines in multi-strip scanning line and sequentially three scan lines into the multi-strip scanning line provide scanning signal, described
Three scan lines of every level-one GOA module are controlled by a control signal respectively,
When the control signal conduction and first clock signal input to singular grade GOA module when, the corresponding control
The scan line of signal receives the scanning signal of conducting,
When the control signal conduction and when the second clock signal is input to the GOA module of even level, the corresponding control
The scan line of signal receives the scanning signal of conducting.
4. liquid crystal display device according to claim 3, which is characterized in that control the described of every level-one GOA module
The control signal turn in order of three scan lines.
5. liquid crystal display device according to claim 2, which is characterized in that every level-one GOA module includes:
One pull-up control module, for generating a scanning level letter according to an enabling signal or according to the scanning signal of a previous stage
Number；
One pull-up module is electrically connected the pull-up control module and for according to scanning one of the level signal and the same level
Clock signal draws high the scanning level signal；
One pull-down module is electrically connected the pull-up control module and the pull-up module and for the scanning according to a next stage
Signal or according to the enabling signal, low level voltage provided by a low level constant pressure source is exported to one of the same level scanning and is believed
Number output end；
One first drop-down maintenance module, is electrically connected to the pull-up control module, the pull-up module and the pull-down module
And for maintaining the scanning signal of the same level for low level；
One second drop-down maintenance module, be electrically connected to the pull-up control module, the pull-up module, the pull-down module and
The first drop-down maintenance module simultaneously is used to maintain the scanning level signal of the same level for low level；And
One bootstrap capacitor is electrically connected to the pull-up control module, the pull-up module, the pull-down module, described first
The high level of drop-down maintenance module and the second drop-down maintenance module and the scanning level signal for generating the same level.
6. liquid crystal display device according to claim 5, which is characterized in that the pull-up control module includes:
One pull-up control thin film transistor (TFT), the grid and source electrode of the pull-up control thin film transistor (TFT) are for receiving the starting letter
Number or the previous stage scanning signal, the drain electrode of the pull-up control thin film transistor (TFT) believes for generating the scanning level
Number.
7. liquid crystal display device according to claim 6, which is characterized in that the pull-up module includes:
One pull-up thin film transistor (TFT), the grid of the pull-up thin film transistor (TFT) are electrically connected to the pull-up control thin film transistor (TFT)
Drain electrode and for receiving the scanning level signal, the source electrode of the pull-up thin film transistor (TFT) receives first clock signal
Or the second clock signal, the drain electrode of the pull-up thin film transistor (TFT) are electrically connected to the output end of the scanning signal.
8. liquid crystal display device according to claim 7, which is characterized in that the pull-down module includes:
One first pull-down thin film, the grid of first pull-down thin film are electrically connected to the next stage GOA
The scanning signal of module is electrically connected to the enabling signal, and the source electrode of first pull-down thin film is electrically connected to
The scanning level signal, the drain electrode of first pull-down thin film are electrically connected to the low level constant pressure source；And
One second pull-down thin film, the grid of second pull-down thin film are electrically connected to the next stage GOA
The scanning signal of module is electrically connected to the enabling signal, and the source electrode of second pull-down thin film is electrically connected to
The drain electrode of the pull-up thin film transistor (TFT), the drain electrode of second pull-down thin film are electrically connected to the low level constant pressure
Source.
9. liquid crystal display device according to claim 8, which is characterized in that described first, which pulls down maintenance module, includes:
One first drop-down maintains thin film transistor (TFT), and first drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected on described
The drain electrode of thin film transistor (TFT) is drawn, first drop-down maintains the drain electrode of thin film transistor (TFT) to be electrically connected to the low level constant pressure
Source；
One second drop-down maintains thin film transistor (TFT), and second drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to described the
One drop-down maintains the grid of thin film transistor (TFT), and second drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to the scanning
Level signal, second drop-down maintain the drain electrode of thin film transistor (TFT) to be electrically connected to the low level constant pressure source；
The drop-down of one third maintains thin film transistor (TFT), and the third drop-down maintains the grid of thin film transistor (TFT) and source electrode to be electrically connected to
One first drop-down control signal；
One the 4th drop-down maintains thin film transistor (TFT), and the 4th drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to described sweep
Level signal is retouched, the 4th drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to the third drop-down and maintains film crystal
The drain electrode of pipe, the 4th drop-down maintain the drain electrode of thin film transistor (TFT) to be electrically connected to the low level constant pressure source；
One the 5th drop-down maintains thin film transistor (TFT), and the 5th drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to described the
Three drop-downs maintain the drain electrode of thin film transistor (TFT), and the 5th drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to described first
Drop-down control signal, the drain electrode of the 5th drop-down maintenance thin film transistor (TFT) are electrically connected to first drop-down and maintain film brilliant
The grid of body pipe；And
One the 6th drop-down maintains thin film transistor (TFT), and the 6th drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to described sweep
Level signal is retouched, the 6th drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to first drop-down and maintains film crystal
The grid of pipe, the 6th drop-down maintain the drain electrode of thin film transistor (TFT) to be electrically connected to the low level constant pressure source.
10. liquid crystal display device according to claim 9, which is characterized in that described second, which pulls down maintenance module, includes:
One the 7th drop-down maintains thin film transistor (TFT), and the 7th drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected on described
The drain electrode of thin film transistor (TFT) is drawn, the 7th drop-down maintains the drain electrode of thin film transistor (TFT) to be electrically connected to the low level constant pressure
Source；
One the 8th drop-down maintains thin film transistor (TFT), and the 8th drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to described the
Seven drop-downs maintain the grid of thin film transistor (TFT), and the 8th drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to the scanning
Level signal, the 8th drop-down maintain the drain electrode of thin film transistor (TFT) to be electrically connected to the low level constant pressure source；
One the 9th drop-down maintains thin film transistor (TFT), and the 9th drop-down maintains the grid of thin film transistor (TFT) and source electrode to be electrically connected to
One second drop-down control signal；
The tenth drop-down maintains thin film transistor (TFT), and the tenth drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to described sweep
Level signal is retouched, the tenth drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to the 9th drop-down and maintains film crystal
The drain electrode of pipe, the tenth drop-down maintain the drain electrode of thin film transistor (TFT) to be electrically connected to the low level constant pressure source；
The 11st drop-down maintains thin film transistor (TFT), and the 11st drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to institute
The drain electrode that the 9th drop-down maintains thin film transistor (TFT) is stated, the 11st drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to institute
The second drop-down control signal is stated, the 11st drop-down maintains the drain electrode of thin film transistor (TFT) to be electrically connected to the 7th drop-down dimension
Hold the grid of thin film transistor (TFT)；And
The 12nd drop-down maintains thin film transistor (TFT), and the 12nd drop-down maintains the grid of thin film transistor (TFT) to be electrically connected to institute
Scanning level signal is stated, the 12nd drop-down maintains the source electrode of thin film transistor (TFT) to be electrically connected to the 7th drop-down and remains thin
The grid of film transistor.12nd drop-down maintains the drain electrode of thin film transistor (TFT) to be electrically connected to the low level constant pressure source.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882736.4A CN109003588A (en) | 2018-08-06 | 2018-08-06 | Liquid crystal display device |
| PCT/CN2018/106426 WO2020029377A1 (en) | 2018-08-06 | 2018-09-19 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882736.4A CN109003588A (en) | 2018-08-06 | 2018-08-06 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109003588A true CN109003588A (en) | 2018-12-14 |
Family
ID=64594895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810882736.4A Pending CN109003588A (en) | 2018-08-06 | 2018-08-06 | Liquid crystal display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109003588A (en) |
| WO (1) | WO2020029377A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559698A (en) * | 2018-12-26 | 2019-04-02 | 深圳市华星光电半导体显示技术有限公司 | A kind of GOA circuit |
| CN109961737A (en) * | 2019-05-05 | 2019-07-02 | 深圳市华星光电半导体显示技术有限公司 | GOA circuit and display device |
| WO2020224077A1 (en) * | 2019-05-06 | 2020-11-12 | 深圳市华星光电半导体显示技术有限公司 | Driving circuit for display screen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329484A (en) * | 2007-06-22 | 2008-12-24 | 群康科技(深圳)有限公司 | Drive circuit and drive method of LCD device |
| CN102881248A (en) * | 2012-09-29 | 2013-01-16 | 京东方科技集团股份有限公司 | Grid driving circuit and driving method thereof and display device |
| CN107367876A (en) * | 2017-08-01 | 2017-11-21 | 深圳市华星光电技术有限公司 | Anti-static circuit and liquid crystal display panel |
| CN107799088A (en) * | 2017-11-24 | 2018-03-13 | 深圳市华星光电技术有限公司 | A kind of GOA circuits and liquid crystal display device |
| CN107909980A (en) * | 2017-12-27 | 2018-04-13 | 深圳市华星光电技术有限公司 | GOA circuits and the liquid crystal display device with the GOA circuits |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178879B (en) * | 2006-11-06 | 2010-09-15 | 中华映管股份有限公司 | Display panel of LCD device and drive method thereof |
| CN102945651B (en) * | 2012-10-31 | 2015-02-25 | 京东方科技集团股份有限公司 | Shift register, grid driving circuit and display device |
| KR102321802B1 (en) * | 2015-01-09 | 2021-11-04 | 엘지디스플레이 주식회사 | Gate shift register and display device using the same |
| CN107705761B (en) * | 2017-09-27 | 2019-07-23 | 深圳市华星光电技术有限公司 | A kind of GOA circuit and liquid crystal display |
-
2018
- 2018-08-06 CN CN201810882736.4A patent/CN109003588A/en active Pending
- 2018-09-19 WO PCT/CN2018/106426 patent/WO2020029377A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329484A (en) * | 2007-06-22 | 2008-12-24 | 群康科技(深圳)有限公司 | Drive circuit and drive method of LCD device |
| CN102881248A (en) * | 2012-09-29 | 2013-01-16 | 京东方科技集团股份有限公司 | Grid driving circuit and driving method thereof and display device |
| CN107367876A (en) * | 2017-08-01 | 2017-11-21 | 深圳市华星光电技术有限公司 | Anti-static circuit and liquid crystal display panel |
| CN107799088A (en) * | 2017-11-24 | 2018-03-13 | 深圳市华星光电技术有限公司 | A kind of GOA circuits and liquid crystal display device |
| CN107909980A (en) * | 2017-12-27 | 2018-04-13 | 深圳市华星光电技术有限公司 | GOA circuits and the liquid crystal display device with the GOA circuits |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559698A (en) * | 2018-12-26 | 2019-04-02 | 深圳市华星光电半导体显示技术有限公司 | A kind of GOA circuit |
| CN109559698B (en) * | 2018-12-26 | 2020-09-01 | 深圳市华星光电半导体显示技术有限公司 | GOA circuit |
| CN109961737A (en) * | 2019-05-05 | 2019-07-02 | 深圳市华星光电半导体显示技术有限公司 | GOA circuit and display device |
| WO2020224154A1 (en) * | 2019-05-05 | 2020-11-12 | 深圳市华星光电半导体显示技术有限公司 | Goa circuit and display device |
| WO2020224077A1 (en) * | 2019-05-06 | 2020-11-12 | 深圳市华星光电半导体显示技术有限公司 | Driving circuit for display screen |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020029377A1 (en) | 2020-02-13 |
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