CN109192167A - Array substrate horizontal drive circuit and liquid crystal display - Google Patents
Array substrate horizontal drive circuit and liquid crystal display Download PDFInfo
- Publication number
- CN109192167A CN109192167A CN201811188170.1A CN201811188170A CN109192167A CN 109192167 A CN109192167 A CN 109192167A CN 201811188170 A CN201811188170 A CN 201811188170A CN 109192167 A CN109192167 A CN 109192167A
- Authority
- CN
- China
- Prior art keywords
- grade
- port
- electrically connected
- switching tube
- node
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 28
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 26
- 238000012423 maintenance Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 18
- 239000010409 thin film Substances 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 9
- 229910052733 gallium Inorganic materials 0.000 description 9
- 229910052738 indium Inorganic materials 0.000 description 9
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 9
- 239000011787 zinc oxide Substances 0.000 description 9
- 230000003068 static effect Effects 0.000 description 6
- 230000001808 coupling effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- 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
Landscapes
- 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)
Abstract
The present invention discloses a kind of array substrate horizontal drive circuit and liquid crystal display, the array substrate horizontal drive circuit, wherein one n-th grade of mono- pull-up unit of sub-circuit Bao Kuo ︰ is electrically connected between one n-th grade of first node, one n-th grade of clock port and one n-th grade of scanning port；Leaflet member once, is electrically connected between n-th grade of first node, n-th grade of clock port and one n-th grade of triggering port；One bootstrapping unit, is electrically connected between n-th grade of first node and n-th grade of triggering port；And a control module, it is electrically connected between n-th grade of first node, n-th grade of scanning port, the n-th -4 grades triggering ports, the n-th+4 grades triggering ports, a low level port and a DC port.
Description
Technical field
The present invention relates to field of liquid crystal display, especially relate to a kind of array substrate horizontal drive circuit and liquid crystal display
Device.
Background technique
In display actuation techniques, array substrate row driving (Gate Driver on Array, GOA) technology is conducive to make
Make the product of narrow frame and reduces cost, such as: in GOA driving circuit, multistage GOA drive module is usually contained, for driving
The pixel unit of dynamic multirow.
As shown in Figure 1, in the plane structure chart of thin film transistor (TFT) (Thin Film Transistor, TFT), gate
(gate) G is prepared by the first metal layer (M1), and active (active) part A is indium gallium zinc oxide (Indium Gallium
Zinc Oxide, IGZO), source electrode (source) S and drain electrode (drain) D are prepared by second metal layer (M2).
As shown in Fig. 2, be such as used to make GOA drive module for IGZO thin film transistor (TFT), using the coupling effect of capacitor,
High frequency clock signal CK (N) can be transmitted, rapidly to generate scanning signal G (N) and trigger signal ST (N).For example, exist
In existing GOA drive module, two thin film transistor (TFT) T21 and T22 are included at least, equipotential line Acom can be by the film crystal altogether
The first metal layer M1 of pipe T21 is made, and one end of a capacitor Cb can be by the second metal layer M2 system of the thin film transistor (TFT) T21
, thus, there is large-scale lateral overlap region between the common-battery bit line Acom and capacitor Cb.But due to IGZO-
GOA processing procedure is easy to accumulation electrostatic, and a wide range of lateral overlap region between the common-battery bit line Acom and capacitor Cb will
It will increase dramatically the damage by static electricity risk of different metal layer (such as M1 and M2), so as to cause the disabler of GOA circuit.
In view of this, it is necessary to provide a kind of array substrate rows to drive (GOA) circuit, to solve present in the prior art
Problem.
Summary of the invention
A purpose of the present invention is that a kind of array substrate horizontal drive circuit is provided, damage by static electricity circuit wind is effectively reduced
Danger.
Another object of the present invention is to provide a kind of liquid crystal displays, damage by static electricity circuit risk is effectively reduced.
In order to reach foregoing purpose of the invention, an aspect of of the present present invention provides a kind of array substrate horizontal drive circuit, packet
Cascade multistage sub-circuit is included, one n-th grade of mono- pull-up unit of sub-circuit Ke Bao Kuo ︰ in the multistage sub-circuit electrically connects
It is connected between one n-th grade of first node, one n-th grade of clock port and one n-th grade of scanning port；Leaflet member once is electrically connected
Between n-th grade of first node, n-th grade of clock port and one n-th grade of triggering port；One bootstrapping unit, electrically connects
It is connected between n-th grade of first node and n-th grade of triggering port；And a control module, it is electrically connected at described n-th grade
First node, n-th grade of scanning port, the n-th -4 grades triggering ports, the n-th+4 grades triggering ports, a low level port and one
Between DC port.
In order to reach foregoing purpose of the invention, another aspect of the present invention provides a kind of liquid crystal display, including a burst of
Column substrate horizontal drive circuit, the array substrate horizontal drive circuit includes cascade multistage sub-circuit, in the multistage sub-circuit
In one n-th grade of mono- pull-up unit of sub-circuit Ke Bao Kuo ︰, be electrically connected at one n-th grade of first node, one n-th grade of clock port
And between one n-th grade of scanning port；Leaflet member once, is electrically connected at n-th grade of first node, n-th grade of clock end
Between mouth and one n-th grade of triggering port；One bootstrapping unit, is electrically connected at n-th grade of first node and described n-th grade triggering
Between port；And a control module, it is electrically connected at n-th grade of first node, n-th grade of scanning port, one the n-th -4 grades
It triggers between port, the n-th+4 grades triggering ports, a low level port and a DC port.
In one embodiment of this invention, the bootstrapping unit can intercouple with the lower leaflet member and be integrated.
In one embodiment of this invention, the bootstrapping unit may include a capacitor, and two ends of the capacitor are electrical
Connect n-th grade of first node and n-th grade of triggering port.
In one embodiment of this invention, the pull-up unit may include a first switch tube, the first switch tube
One control terminal is electrically connected n-th grade of first node, when a first end of the first switch tube is electrically connected described n-th grade
One second end of clock port, the first switch tube is electrically connected n-th grade of scanning port.
In one embodiment of this invention, the lower leaflet member may include a second switch, the second switch
One control terminal is electrically connected n-th grade of first node, when a first end of the second switch is electrically connected described n-th grade
One second end of clock port, the second switch is electrically connected n-th grade of triggering port.
In one embodiment of this invention, the control module may include a pull-up control unit, a drop-down unit and one
Pull down maintenance unit；Wherein the pull-up control unit is electrically connected at the n-th -4 grades triggering ports and described n-th grade first
Between node；The drop-down unit is electrically connected at n-th grade of first node, n-th grade of scanning port, described n-th+4
Between grade triggering port and the low level port；The drop-down maintenance unit is electrically connected at n-th grade of first node, described
Between n-th grade of scanning port, the low level port and the DC port.
In one embodiment of this invention, the pull-up control unit may include a third switching tube, the third switch
One control terminal of pipe and a first end are electrically connected the n-th -4 grades triggerings port, the second end electricity of the third switching tube
Property connection n-th grade of first node.
In one embodiment of this invention, the drop-down unit may include one the 4th switching tube and one the 5th switching tube, institute
One control terminal of a control terminal and the 5th switching tube for stating the 4th switching tube is electrically connected the n-th+4 grades triggerings port,
One first end of the 4th switching tube and a first end of the 5th switching tube are electrically connected the low level port, and described the
One second end of four switching tubes is electrically connected n-th grade of scanning port, and a second end of the 5th switching tube is electrically connected
N-th grade of first node.
In one embodiment of this invention, the drop-down maintenance unit may include one the 6th switching tube, one the 7th switching tube,
One the 8th switching tube and one the 9th switching tube, a control terminal of the 6th switching tube and a control terminal of the 7th switching tube
It is electrically connected one n-th grade of second node, a first end of the 6th switching tube, a first end of the 7th switching tube and described
One first end of nine switching tubes is electrically connected the low level port, and a second end of the 6th switching tube is electrically connected described the
N grades of scanning ports, a second end of the 7th switching tube and a control terminal of the 9th switching tube are electrically connected described n-th
Grade first node, a control terminal of the 8th switching tube and a first end are electrically connected the DC port, and the described 8th opens
One second end of a second end and the 9th switching tube for closing pipe is electrically connected n-th grade of second node.
In one embodiment of this invention, the neighbouring equipotential line altogether of the pull-up unit.
Compared with prior art, the pull-up unit of array substrate horizontal drive circuit of the invention and liquid crystal display with from
It lifts unit to be separated from each other, the capacitor in the bootstrapping unit may be located remotely from the common-battery bit line, the common-battery bit line and capacitor
More there is the pull-up unit to be aided with the effect blocked between device, the capacitor of the bootstrapping unit and n-th grade of scanning port are not
It is directly connected to, without a wide range of lateral overlap region between the common-battery bit line of the invention and capacitor, it is thus possible to effectively drop
The risk of low damage by static electricity circuit.
Detailed description of the invention
Fig. 1 is the floor map of an existing thin film transistor (TFT).
Fig. 2 is the part floor map of an existing GOA drive module.
Fig. 3 is the schematic diagram of the array substrate horizontal drive circuit of one embodiment of the invention.
Fig. 4 is the part floor map of the sub-circuit of the array substrate horizontal drive circuit of one embodiment of the invention.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.Furthermore the direction term that the present invention is previously mentioned, for example, above and below, top, bottom, front, rear, left and right, inside and outside, side, surrounding, in
Centre, it is horizontal, laterally, vertically, longitudinally, axial direction, radial direction, top layer or lowest level etc., be only the direction with reference to annexed drawings.Cause
This, the direction term used is to illustrate and understand the present invention, rather than to limit the present invention.
It please refers to shown in Fig. 3, an aspect of of the present present invention includes a kind of array substrate horizontal drive circuit, it may include cascade
(cascade) multistage sub-circuit only illustrates by taking one n-th grade of sub-circuit as an example herein, such as n can be a positive integer, to generation
One in the cascade multistage sub-circuit of table, the sub-circuit of remaining rank is identical as n-th grade of sub-circuit, this is those skilled in the art
Member it should be understood that do not repeat separately herein.N-th grade of mono- pull-up unit 1 of sub-circuit Ke Bao Kuo ︰ in the multistage sub-circuit,
Once the bootstrapping unit 3 of leaflet member 2, one and a control module 4.The array substrate row of the embodiment of the present invention illustrated below drives
The state sample implementation of circuit, but not limited to this.
Referring again to shown in Fig. 3, the pull-up unit 1 can be electrically connected at one n-th grade of first node N1 (n), one n-th grade
Between clock port P_CK (n) and one n-th grade of scanning port P_G (n), to draw high the current potential of one n-th grade of scanning signal G (n),
Using as a line scan signals.It is understood that n-th grade of clock port P_CK (n) can be used to transmit one n-th grade of clock
Signal CK (n)；N-th grade of scanning port P_G (n) can be used to transmit n-th grade of scanning signal G (n), for driving multirow
Line n pixel unit in pixel unit；N-th grade of first node N1 (n) can be used to generate one n-th grade of scanning electric potential signal
Q(n)。
In an embodiment of the present invention, described as shown in figure 3, the pull-up unit 1 may include a first switch tube T21
First switch tube T21 can be thin film transistor (TFT) (TFT), such as: active (active) partially for indium gallium zinc oxide (IGZO) and
Thin film transistor (TFT) with gate (gate), source electrode (source) and drain electrode (drain), the gate can be by first layer metal system
Standby, the active part can be indium gallium zinc oxide, and the source electrode and drain electrode can be prepared by second layer metal；The first switch
A control terminal (such as gate) of pipe T21 is electrically connected n-th grade of first node N1 (n), and the one the of the first switch tube T21
One end (one in such as source electrode and drain electrode) is electrically connected n-th grade of clock port P_CK (n), the first switch tube T21
A second end (in such as source electrode and drain electrode another) be electrically connected n-th grade of scanning port P_G (n).
It is understood that as shown in figure 3, the neighbouring equipotential line Acom altogether of the pull-up unit 1, the common-battery bit line
Acom is to transmit a DC potential, using the effective display area (effective as a display screen (display screen)
Display area) a reference potential (reference potential).
Referring again to shown in Fig. 3, the lower leaflet member 2 can be electrically connected at n-th grade of first node N1 (n), described
Between n-th grade of clock port P_CK (n) and one n-th grade of triggering port P_ST (n), to generate one n-th grade of trigger signal ST
(n).It is understood that n-th grade of triggering port P_ST (n) can be used to transmit n-th grade of trigger signal ST (n).
In an embodiment of the present invention, the lower leaflet member 2 may include a second switch T22, the second switch
T22 can be thin film transistor (TFT), such as: active part is indium gallium zinc oxide and the film crystal with gate, source electrode and drain electrode
One control terminal of pipe, the second switch T22 is electrically connected n-th grade of first node N1 (n), the second switch
A first end of T22 is electrically connected n-th grade of clock port P_CK (n), and a second end of the second switch T22 is electrical
Connect n-th grade of triggering port P_ST (n).
Referring again to shown in Fig. 3, the bootstrapping unit 3 can be electrically connected at n-th grade of first node N1 (n) with it is described
Between n-th grade of triggering port P_ST (n), to promote the current potential of n-th grade of scanning electric potential signal Q (n).The bootstrapping unit
3 can by with voltage increase function element or circuit constitute, such as: the bootstrapping unit 3 may include a capacitor C, described
Two ends of capacitor C are electrically connected n-th grade of first node N1 (n) and n-th grade of triggering port P_ST (n), to utilize
The capacitance coupling effect of the capacitor C makes the potential rise get Geng Gao of n-th grade of scanning electric potential signal Q (n), but not with this
It is limited, remaining can increase the element of the current potential of n-th grade of scanning electric potential signal Q (n) or circuit or be used auxiliary
N-th grade of scanning signal G (n) described in stability maintenance.
In an embodiment of the present invention, as shown in figure 4, the bootstrapping unit 3 and the lower leaflet member 2 can intercouple for
One, such as: the gate of the second switch T22 of the lower leaflet member 2 can be prepared by a first metal layer, and described second
The active part of switch transistor T 22 can be indium gallium zinc oxide, and the source electrode and drain electrode of the second switch T22 can be by one second gold medal
Belong to layer preparation, one end of the capacitor C of the bootstrapping unit 3 can be prepared by the second metal layer, the capacitor C's
The other end can be prepared by another metal layer.To which, the bootstrapping unit 3 and the lower leaflet member 2 can be because of sharing described the
Two metal layers and intercouple and be integrated.
Referring again to shown in Fig. 3, the control module 4 can be electrically connected at n-th grade of first node N1 (n), described
N-th grade of scanning port P_G (n), the n-th -4 grades triggering port P_ST (n-4), the n-th+4 grades triggering port P_ST (n+4), one
Between low level port P_Vss1 and a DC port P_DCH.
It is understood that the n-th -4 grades triggerings port P_ST (n-4), can be used to transmit the n-th -4 grades trigger signals
ST (n-4), the n-th -4 grades trigger signals ST (n-4) from n-th grade of sub-circuit forward 4 grades of (forward) n-th -4
Triggering port P_ST (n-4) in grade sub-circuit.The n-th+4 grades triggerings port P_ST (n+4) can be used to transmit one the n-th+4 grades
Trigger signal ST (n+4), the n-th+4 grades trigger signals ST (n+4) come from n-th grade of sub-circuit (backward) 4 backward
Triggering port ST (n+4) in the n-th+4 grades sub-circuits of grade.The low level port P_Vss1 can be used to transmit a low-potential direct
Signal Vss1, such as: a constant pressure negative potential signal；The DC port P_DCH can be used to transmit a direct current signal DCH, such as: one
Constant pressure high potential signal etc..
For example, as shown in figure 3, the control module 4 may include a pull-up control unit 41, a drop-down unit 42 and
One drop-down maintenance unit 43.The pull-up control unit 41 can be electrically connected at the n-th -4 grades triggerings port P_ST (n-4) with
Between n-th grade of first node N1 (n), for n-th grade of scanning electric potential signal Q for n-th grade of first node N1 (n)
(n) implement precharge.
In an embodiment of the present invention, as shown in figure 3, the pull-up control unit 41 may include a third switch transistor T 11,
The third switch transistor T 11 can be thin film transistor (TFT), such as: active part be indium gallium zinc oxide and have gate, source electrode and
The thin film transistor (TFT) of drain electrode, a control terminal of the third switch transistor T 11 and a first end are electrically connected the n-th -4 grades triggerings
A second end of port P_ST (n-4), the third switch transistor T 11 are electrically connected n-th grade of first node N1 (n).
Referring again to shown in Fig. 3, the drop-down unit 42 can be electrically connected at n-th grade of first node N1 (n), described
Between n-th grade of scanning port P_G (n), the n-th+4 grades triggerings port P_ST (n+4) and the low level port P_Vss1, it is used for
Drag down the electricity of n-th grade of scanning electric potential signal Q (n), n-th grade of scanning signal G (n) to the low-potential direct signal Vss1
Position.
In an embodiment of the present invention, as shown in figure 3, the drop-down unit 42 may include one the 4th switch transistor T 31 and one
5th switch transistor T 41, the 4th switch transistor T 31 and the 5th switch transistor T 41 can be thin film transistor (TFT), and such as: active part is
Indium gallium zinc oxide and the thin film transistor (TFT) with gate, source electrode and drain electrode, a control terminal of the 4th switch transistor T 31 and institute
The control terminal for stating the 5th switch transistor T 41 is electrically connected the n-th+4 grades triggerings port P_ST (n+4), the 4th switching tube
One first end of a first end of T31 and the 5th switch transistor T 41 is electrically connected the low level port P_Vss1, and the described 4th
One second end of switch transistor T 31 is electrically connected n-th grade of scanning port P_G (n), and the one second of the 5th switch transistor T 41
End is electrically connected n-th grade of first node N1 (n).
Referring again to shown in Fig. 3, the drop-down maintenance unit 43 can be electrically connected at n-th grade of first node N1 (n),
Between n-th grade of scanning port P_G (n), the low level port P_Vss1 and the DC port P_DCH, institute can control
State n-th grade of scanning electric potential signal Q (n), the current potential of n-th grade of scanning signal G (n) is maintained at the low-potential direct signal Vss1's
Current potential.
In an embodiment of the present invention, as shown in figure 3, the drop-down maintenance unit 43 may include one the 6th switch transistor T 32,
One the 7th switch transistor T 42, one the 8th switch transistor T 53 and one the 9th switch transistor T 54, the 6th switch transistor T 32, the 7th switching tube
T42, the 8th switch transistor T 53 and the 9th switch transistor T 54 can be thin film transistor (TFT), such as: active part be indium gallium zinc oxide and
Thin film transistor (TFT) with gate, source electrode and drain electrode, a control terminal of the 6th switch transistor T 32 and the 7th switching tube
A control terminal of T42 is electrically connected one n-th grade of second node N2 (n), and a first end of the 6th switch transistor T 32, the described 7th open
One first end of a first end and the 9th switch transistor T 54 for closing pipe T42 is electrically connected the low level port P_Vss1, described
One second end of the 6th switch transistor T 32 is electrically connected n-th grade of scanning port P_G (n), and the one of the 7th switch transistor T 42
One control terminal of second end and the 9th switch transistor T 54 is electrically connected n-th grade of first node N1 (n), and the described 8th opens
The control terminal and a first end for closing pipe T53 are electrically connected the DC port P_DCH, and the one the of the 8th switch transistor T 53
One second end of two ends and the 9th switch transistor T 54 is electrically connected n-th grade of second node N2 (n).
It is understood that n-th grade of second node N2 (n), which can be used to generate one n-th grade of drop-down, maintains current potential P (n).
In addition, another aspect of the present invention may also include a kind of liquid crystal display, the liquid crystal display may include as above
The array substrate horizontal drive circuit embodiment, embodiments thereof please refer to above content, do not repeat separately herein.It illustrates below
Illustrate function situation, but not limited to this.
Referring again to shown in Fig. 3, the array substrate horizontal drive circuit and liquid crystal display of the above embodiment of the present invention are practical
When running, such as: when n-th grade of clock signal CK (n) becomes high potential from low potential, n-th grade of scanning current potential letter
Number Q (N) is high potential, and the second switch T22 is started to open (ON), and n-th grade of trigger signal ST (n) will be by low potential
Become high potential；By the capacitance coupling effect current potential of the capacitor C, n-th grade of scanning electric potential signal Q (N) can become
It is higher, so that more preferable, advantageous n-th grade of clock signal CK (n) that the first switch tube T21, second switch T22 are opened
Faster transmission.
It is specifically intended that as shown in figure 4, being one since the bootstrapping unit 3 intercouples with the lower leaflet member 2
Body, so that the common-battery bit line Acom is far from the capacitor C in the bootstrapping unit 3.Compared to being total to for existing GOA drive module
The damage by static electricity risk of different metal layer caused by a wide range of lateral overlap region between equipotential line Acom and capacitor Cb
(as shown in Figure 2), the capacitor C since pull-up unit 1 of the invention and bootstrapping unit 3 are separated from each other, in the bootstrapping unit 3
It may be located remotely from the common-battery bit line Acom, more there is the pull-up unit 1 to be aided with resistance between the common-battery bit line Acom and capacitor C
Effect absolutely, the capacitor C and n-th grade of scanning port P_G (n) of the bootstrapping unit 3 are not also directly connected to, and the present invention is above-mentioned
Also without a wide range of lateral overlap region between the common-battery bit line Acom and capacitor C of embodiment, thus, array base of the present invention
The risk of damage by static electricity circuit can be effectively reduced in plate horizontal drive circuit and liquid crystal display.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that, it has been disclosed that embodiment be not limiting as the scope of the present invention.On the contrary, being contained in the spirit of claims
And range modification and impartial setting be included in the scope of the present invention.
Claims (18)
1. a kind of array substrate horizontal drive circuit, it is characterised in that: including cascade multistage sub-circuit, in the multistage sub-circuit
In one n-th grade of sub-circuit Bao Kuo ︰
One pull-up unit, be electrically connected at one n-th grade of first node, one n-th grade of clock port and one n-th grade of scanning port it
Between；
Leaflet member once, is electrically connected at n-th grade of first node, n-th grade of clock port and one n-th grade of triggering port
Between；
One bootstrapping unit, is electrically connected between n-th grade of first node and n-th grade of triggering port；And
One control module is electrically connected at n-th grade of first node, n-th grade of scanning port, the n-th -4 grades triggering ends
Between mouth, the n-th+4 grades triggering ports, a low level port and a DC port.
2. array substrate horizontal drive circuit as described in claim 1, it is characterised in that: the bootstrapping unit and the lower leaflet
Member, which intercouples, to be integrated.
3. array substrate horizontal drive circuit as described in claim 1, it is characterised in that: the bootstrapping unit includes a capacitor
Two ends of device, the capacitor are electrically connected n-th grade of first node and n-th grade of triggering port.
4. array substrate horizontal drive circuit as described in claim 1, it is characterised in that: the pull-up unit is opened including one first
Guan Guan, control terminal electric connection n-th grade of first node of the first switch tube, the one first of the first switch tube
End is electrically connected n-th grade of clock port, and a second end of the first switch tube is electrically connected n-th grade of scanning end
Mouthful.
5. array substrate horizontal drive circuit as described in claim 1, it is characterised in that: the lower leaflet member is opened including one second
Guan Guan, control terminal electric connection n-th grade of first node of the second switch, the one first of the second switch
End is electrically connected n-th grade of clock port, and a second end of the second switch is electrically connected n-th grade of triggering end
Mouthful.
6. array substrate horizontal drive circuit as described in claim 1, it is characterised in that: the control module may include a pull-up
Control unit, a drop-down unit and a drop-down maintenance unit；Wherein the pull-up control unit is electrically connected at described the n-th -4 grades
It triggers between port and n-th grade of first node；The drop-down unit is electrically connected at n-th grade of first node, described
Between n-th grade of scanning port, the n-th+4 grades triggering ports and the low level port；The drop-down maintenance unit is electrically connected
Between n-th grade of first node, n-th grade of scanning port, the low level port and the DC port.
7. array substrate horizontal drive circuit as claimed in claim 6, it is characterised in that: the pull-up control unit includes one the
Three switching tubes, a control terminal of the third switching tube and a first end are electrically connected the n-th -4 grades triggerings port, and described the
One second end of three switching tubes is electrically connected n-th grade of first node.
8. array substrate horizontal drive circuit as claimed in claim 6, it is characterised in that: the drop-down unit is opened including one the 4th
Pipe and one the 5th switching tube are closed, a control terminal of the 4th switching tube and a control terminal of the 5th switching tube are electrically connected
The n-th+4 grades triggerings port, a first end of the 4th switching tube and a first end of the 5th switching tube electrically connect
The low level port is connect, a second end of the 4th switching tube is electrically connected n-th grade of scanning port, the 5th switch
One second end of pipe is electrically connected n-th grade of first node.
9. array substrate horizontal drive circuit as claimed in claim 6, it is characterised in that: the drop-down maintenance unit includes one the
Six switching tubes, one the 7th switching tube, one the 8th switching tube and one the 9th switching tube, a control terminal of the 6th switching tube and institute
The control terminal for stating the 7th switching tube is electrically connected one n-th grade of second node, and a first end of the 6th switching tube, the described 7th open
One first end of a first end and the 9th switching tube for closing pipe is electrically connected the low level port, the 6th switching tube
One second end is electrically connected n-th grade of scanning port, a second end of the 7th switching tube and the 9th switching tube
One control terminal is electrically connected n-th grade of first node, and a control terminal of the 8th switching tube and a first end are electrically connected
One second end of the DC port, a second end of the 8th switching tube and the 9th switching tube is electrically connected described the
N grades of second nodes.
10. a kind of liquid crystal display, it is characterised in that: including array basal plate horizontal drive circuit, the array substrate row driving
Circuit includes cascade multistage sub-circuit, one n-th grade of sub-circuit Bao Kuo ︰ in the multistage sub-circuit
One pull-up unit, be electrically connected at one n-th grade of first node, one n-th grade of clock port and one n-th grade of scanning port it
Between；
Leaflet member once, is electrically connected at n-th grade of first node, n-th grade of clock port and one n-th grade of triggering port
Between；
One bootstrapping unit, is electrically connected between n-th grade of first node and n-th grade of triggering port；And one control mould
Block is electrically connected at n-th grade of first node, n-th grade of scanning port, the n-th -4 grades triggering ports, one the n-th+4 grades
It triggers between port, a low level port and a DC port.
11. liquid crystal display as claimed in claim 10, it is characterised in that: the bootstrapping unit and the lower leaflet member are mutually
Coupling is integrated.
12. liquid crystal display as claimed in claim 10, it is characterised in that: the bootstrapping unit includes a capacitor, described
Two ends of capacitor are electrically connected n-th grade of first node and n-th grade of triggering port.
13. liquid crystal display as claimed in claim 10, it is characterised in that: the pull-up unit includes a first switch tube,
One control terminal of the first switch tube is electrically connected n-th grade of first node, the first end electricity of the first switch tube
Property connection n-th grade of clock port, a second end of the first switch tube is electrically connected n-th grade of scanning port.
14. liquid crystal display as claimed in claim 10, it is characterised in that: the lower leaflet member includes a second switch,
One control terminal of the second switch is electrically connected n-th grade of first node, the first end electricity of the second switch
Property connection n-th grade of clock port, a second end of the second switch is electrically connected n-th grade of triggering port.
15. liquid crystal display as claimed in claim 10, it is characterised in that: the control module may include that pull-up control is single
Member, a drop-down unit and a drop-down maintenance unit；Wherein the pull-up control unit is electrically connected at the n-th -4 grades triggering ends
Between mouth and n-th grade of first node；The drop-down unit be electrically connected at n-th grade of first node, described n-th grade sweep
It retouches between port, the n-th+4 grades triggering ports and the low level port；The drop-down maintenance unit is electrically connected at described
Between n grades of first nodes, n-th grade of scanning port, the low level port and the DC port.
16. liquid crystal display as claimed in claim 15, it is characterised in that: the pull-up control unit is switched including a third
Pipe, a control terminal of the third switching tube and a first end are electrically connected the n-th -4 grades triggerings port, the third switch
One second end of pipe is electrically connected n-th grade of first node.
17. liquid crystal display as claimed in claim 15, it is characterised in that: the drop-down unit include one the 4th switching tube and
One control terminal of one the 5th switching tube, a control terminal of the 4th switching tube and the 5th switching tube is electrically connected described the
Described in n+4 grades of triggering ports, a first end of the 4th switching tube and a first end of the 5th switching tube are electrically connected
Low level port, second end electric connection n-th grade of scanning port of the 4th switching tube, the one of the 5th switching tube
Second end is electrically connected n-th grade of first node.
18. liquid crystal display as claimed in claim 15, it is characterised in that: the drop-down maintenance unit includes one the 6th switch
Pipe, one the 7th switching tube, one the 8th switching tube and one the 9th switching tube, a control terminal and the described 7th for the 6th switching tube
One control terminal of switching tube is electrically connected one n-th grade of second node, a first end of the 6th switching tube, the 7th switching tube
One first end and a first end of the 9th switching tube electric connection low level port, the one second of the 6th switching tube
End is electrically connected n-th grade of scanning port, a second end of the 7th switching tube and a control of the 9th switching tube
End is electrically connected n-th grade of first node, and a control terminal of the 8th switching tube and a first end are electrically connected described straight
One second end of flow port, a second end of the 8th switching tube and the 9th switching tube is electrically connected described n-th grade the
Two nodes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188170.1A CN109192167A (en) | 2018-10-12 | 2018-10-12 | Array substrate horizontal drive circuit and liquid crystal display |
| PCT/CN2019/071255 WO2020073552A1 (en) | 2018-10-12 | 2019-01-11 | Gate driver on array circuit and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188170.1A CN109192167A (en) | 2018-10-12 | 2018-10-12 | Array substrate horizontal drive circuit and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109192167A true CN109192167A (en) | 2019-01-11 |
Family
ID=64948100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811188170.1A Pending CN109192167A (en) | 2018-10-12 | 2018-10-12 | Array substrate horizontal drive circuit and liquid crystal display |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109192167A (en) |
| WO (1) | WO2020073552A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261108A (en) * | 2020-02-11 | 2020-06-09 | 深圳市华星光电半导体显示技术有限公司 | Gate drive circuit |
| CN113793563A (en) * | 2021-10-27 | 2021-12-14 | 京东方科技集团股份有限公司 | Driving circuit, driving module, driving method and display device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090304139A1 (en) * | 2008-06-06 | 2009-12-10 | Au Optronics Corp. | Shift register |
| CN103018991A (en) * | 2012-12-24 | 2013-04-03 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display device |
| CN103472607A (en) * | 2013-05-16 | 2013-12-25 | 友达光电股份有限公司 | Display panel and manufacturing method thereof |
| CN104795034A (en) * | 2015-04-17 | 2015-07-22 | 深圳市华星光电技术有限公司 | GOA (gate driver on array) circuit and liquid crystal display |
| CN105118459A (en) * | 2015-09-17 | 2015-12-02 | 深圳市华星光电技术有限公司 | GOA circuit and LCD |
| CN105280153A (en) * | 2015-11-24 | 2016-01-27 | 深圳市华星光电技术有限公司 | Gate drive circuit and display device thereof |
| CN105304044A (en) * | 2015-11-16 | 2016-02-03 | 深圳市华星光电技术有限公司 | Liquid crystal display device and GOA circuit |
| CN106448590A (en) * | 2016-10-11 | 2017-02-22 | 深圳市华星光电技术有限公司 | GOA (Gate Driver On Array) circuit of liquid crystal display panel and display device |
| CN107689221A (en) * | 2017-10-11 | 2018-02-13 | 深圳市华星光电半导体显示技术有限公司 | GOA circuits |
| CN207650508U (en) * | 2018-01-03 | 2018-07-24 | 合肥京东方光电科技有限公司 | A kind of array substrate and display device |
-
2018
- 2018-10-12 CN CN201811188170.1A patent/CN109192167A/en active Pending
-
2019
- 2019-01-11 WO PCT/CN2019/071255 patent/WO2020073552A1/en not_active Ceased
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090304139A1 (en) * | 2008-06-06 | 2009-12-10 | Au Optronics Corp. | Shift register |
| CN103018991A (en) * | 2012-12-24 | 2013-04-03 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display device |
| CN103472607A (en) * | 2013-05-16 | 2013-12-25 | 友达光电股份有限公司 | Display panel and manufacturing method thereof |
| CN104795034A (en) * | 2015-04-17 | 2015-07-22 | 深圳市华星光电技术有限公司 | GOA (gate driver on array) circuit and liquid crystal display |
| CN105118459A (en) * | 2015-09-17 | 2015-12-02 | 深圳市华星光电技术有限公司 | GOA circuit and LCD |
| CN105304044A (en) * | 2015-11-16 | 2016-02-03 | 深圳市华星光电技术有限公司 | Liquid crystal display device and GOA circuit |
| CN105280153A (en) * | 2015-11-24 | 2016-01-27 | 深圳市华星光电技术有限公司 | Gate drive circuit and display device thereof |
| CN106448590A (en) * | 2016-10-11 | 2017-02-22 | 深圳市华星光电技术有限公司 | GOA (Gate Driver On Array) circuit of liquid crystal display panel and display device |
| CN107689221A (en) * | 2017-10-11 | 2018-02-13 | 深圳市华星光电半导体显示技术有限公司 | GOA circuits |
| CN207650508U (en) * | 2018-01-03 | 2018-07-24 | 合肥京东方光电科技有限公司 | A kind of array substrate and display device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261108A (en) * | 2020-02-11 | 2020-06-09 | 深圳市华星光电半导体显示技术有限公司 | Gate drive circuit |
| US11610550B2 (en) | 2020-02-11 | 2023-03-21 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Gate driving circuit and display device comprising the same |
| CN113793563A (en) * | 2021-10-27 | 2021-12-14 | 京东方科技集团股份有限公司 | Driving circuit, driving module, driving method and display device |
| CN113793563B (en) * | 2021-10-27 | 2023-12-05 | 京东方科技集团股份有限公司 | Driving circuit, driving module, driving method and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020073552A1 (en) | 2020-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101783124B (en) | Grid electrode driving circuit unit, a grid electrode driving circuit and a display device | |
| CN106601205B (en) | Gate driving circuit and liquid crystal display device | |
| CN104091577B (en) | Be applied to the gate driver circuit of 2D-3D signal setting | |
| US11250786B2 (en) | Array substrate, display panel and display apparatus | |
| US20200052005A1 (en) | Drive circuit, matrix substrate, and display device | |
| CN104503113B (en) | Liquid crystal panel and display device | |
| CN107039015A (en) | A kind of display driver circuit and its control method, display device | |
| CN103034007B (en) | Display, driving method thereof and display device | |
| CN107039016B (en) | GOA driving circuit and liquid crystal display | |
| CN104536223A (en) | Liquid crystal display panel and array substrate thereof | |
| CN110534050B (en) | Display panel and display device | |
| US12374290B2 (en) | Display panel and display device | |
| CN109192167A (en) | Array substrate horizontal drive circuit and liquid crystal display | |
| CN106157914A (en) | A kind of gate driver circuit | |
| CN116097442A (en) | Display panel and display device | |
| CN103236245B (en) | Shift register cell, shift register and display device | |
| CN110707095A (en) | display panel | |
| CN106251816A (en) | A kind of gate driver circuit and liquid crystal indicator | |
| CN104142594B (en) | Thin film transistor substrate and display device | |
| CN103365015B (en) | A kind of array base palte and liquid crystal display | |
| CN110890051A (en) | Source electrode driving device and display device | |
| CN110137227B (en) | Display panel | |
| CN106782380A (en) | A kind of display panel and its driving method, display device | |
| CN110473883A (en) | Array substrate and OLED display device | |
| CN109254435A (en) | Electrostatic protection structure of display panel and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
|
| RJ01 | Rejection of invention patent application after publication |