CN107065251A - A kind of array base palte, its driving method and display panel - Google Patents
A kind of array base palte, its driving method and display panel Download PDFInfo
- Publication number
- CN107065251A CN107065251A CN201611122645.8A CN201611122645A CN107065251A CN 107065251 A CN107065251 A CN 107065251A CN 201611122645 A CN201611122645 A CN 201611122645A CN 107065251 A CN107065251 A CN 107065251A
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- Prior art keywords
- array base
- base palte
- controlling switch
- display panel
- voltage
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of array base palte, its driving method and display panel, due to being respectively provided with one-to-one controlling switch for each data line, when all controlling switches are turned on, all data wires short circuit each other can be made, so that electric charge on data wire one another and, the voltage swing scope of liquid crystal capacitance discharge and recharge can be reduced, and then plays a part of reducing power consumption.Also, electric charge on data wire can be just neutralized due to being only connected with each other in the array base palte, between data wire by controlling switch, without providing dedicated for neutralizing the voltage of electric charge, therefore power consumption can be further reduced.In addition, saving the electronic devices such as the cabling for providing the voltage, the wiring space on array base palte can be not only reduced, and cost can be reduced.
Description
Technical field
The present invention relates to display technology field, espespecially a kind of array base palte, its driving method and display panel.
Background technology
In liquid crystal display panel, if driving liquid crystal molecule using positive voltage or negative voltage always, it is easy to make liquid
Brilliant molecule produces polarization, in turn results in infringement.Therefore, in order to protect liquid crystal molecule to be not driven the broken meeting of voltage, it is necessary to use
The mode of generating positive and negative voltage interaction drives liquid crystal molecule.At present, most common polarity inversion mode has frame reversion, column inversion, OK
Reversion and dot inversion.The more commonly used at present is column inversion mode.
In the liquid crystal display panel of existing column inversion mode, for same data line, driving voltage thereon is just
Negative alternating, and for the liquid crystal capacitance C of each pixelLC, the power consumption of its discharge and recharge is fCLCV2/ 2, wherein f fills for voltage
The frequency of electric discharge, the hunting range of voltage when V is discharge and recharge, in f and CLCUnder conditions of fixation, when the voltage swing model of discharge and recharge
When enclosing smaller, the power consumption is also smaller.
Therefore, how to reduce the voltage swing scope of liquid crystal capacitance discharge and recharge with reduce power consumption be those skilled in the art urgently
The technical problem that need to be solved.
The content of the invention
A kind of array base palte provided in an embodiment of the present invention, its driving method and display device, by making all data wires
On electric charge neutralize each other reduction liquid crystal capacitance discharge and recharge voltage swing scope, so as to reduce power consumption.
A kind of array base palte provided in an embodiment of the present invention, including some data lines, with each data wire one
One corresponding controlling switch；Wherein,
The first end of each controlling switch and corresponding data wire are connected, the second end of each controlling switch only with except
Second end of other controlling switches outside oneself is connected, and the control end of each controlling switch is used to receive control signal to control
The first end and the second end for making the controlling switch are turned on.
Correspondingly, the embodiment of the present invention additionally provides a kind of display panel, including above-mentioned provided in an embodiment of the present invention
A kind of array base palte.
Correspondingly, the embodiment of the present invention additionally provides a kind of driving method of above-mentioned array base palte, in each frame end,
Each controlling switch makes its first end be turned on the second end under control of the control signal, so that on all data wires
Mutually neutralized between electric charge.
The present invention has the beneficial effect that：
Above-mentioned array base palte provided in an embodiment of the present invention, its driving method and display panel, due to for each number
One-to-one controlling switch is respectively provided with according to line, when all controlling switches are turned on, all data wires can be made short each other
Connect so that the electric charge on data wire one another and, the voltage swing scope of liquid crystal capacitance discharge and recharge can be reduced, and then play
Reduce the effect of power consumption.Also, due in the array base palte, being only connected with each other between data wire by controlling switch just can be with
Electric charge on data wire is neutralized, without providing dedicated for neutralizing the voltage of electric charge, therefore power consumption can be further reduced.Separately
Outside, the electronic devices such as cabling for providing the voltage are saved, the wiring space on array base palte, Er Qieke can be not only reduced
To reduce cost.
Brief description of the drawings
Fig. 1 is one of structural representation of array base palte provided in an embodiment of the present invention；
Fig. 2 is the two of the structural representation of array base palte provided in an embodiment of the present invention；
Fig. 3 a are the structural representation of gate driving circuit in the embodiment of the present invention；
Fig. 3 b are the structural representation of the wherein one-level shift register of gate driving circuit shown in Fig. 3 a；
Fig. 3 c are the concrete structure schematic diagram of shift register shown in Fig. 3 b；
Fig. 3 d are the working timing figure of gate driving circuit shown in Fig. 3 a.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step it is described in detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Based on the embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under the premise of creative work is not made
Other embodiments, belong to the scope of protection of the invention.
A kind of array base palte provided in an embodiment of the present invention, it is and each as shown in figure 1, including some data line d (n)
The one-to-one controlling switch T (n) of data line d (n)；Wherein, n=1,2,3,4 ... N, N be all data wires quantity；
The first end of each controlling switch T (n) is connected with corresponding data wire d (n), and the second end of each controlling switch T (n) is only
It is connected (m ≠ n) with the second end of other controlling switch T (m) in addition to oneself, the control end of each controlling switch T (n) is used to connect
Control signal Cn is received to control controlling switch T (n) first end to turn on the second end.
Above-mentioned array base palte provided in an embodiment of the present invention, due to being respectively provided with one-to-one corresponding for each data line
Controlling switch, when all controlling switches are turned on, all data wires short circuit each other can be made, so that the electric charge on data wire
One another and, the voltage swing scope of liquid crystal capacitance discharge and recharge can be reduced, so play a part of reduce power consumption.Also, by
Electric charge on data wire can be just neutralized in being only connected with each other in the array base palte, between data wire by controlling switch, without
Need to provide to neutralize the voltage of electric charge, therefore can further reduce power consumption.In addition, saving for providing the voltage
The electronic device such as cabling, can not only reduce the wiring space on array base palte, and cost can be reduced.
Alternatively, in above-mentioned array base palte provided in an embodiment of the present invention, as shown in Fig. 2 all controlling switch T
(n) control end, which is connected, receives same control signal C1.All controlling switch T (n) are so controlled using same control signal C1,
Due to reducing control signal, therefore the cabling that control signal is provided can be reduced.
Alternatively, in above-mentioned array base palte provided in an embodiment of the present invention, in addition to some scan lines, and be used for
The gate driving circuit of drive signal is provided for each bar scan line.Gate driving circuit is formed by multi-stage shift register cascade,
The voltage of control signal is identical with the voltage of the displacement transmission signal of gate driving circuit.So can be using making array base palte
The technique of the switching transistor of upper viewing area makes controlling switch, so as to simplify manufacture craft.
In the specific implementation, in above-mentioned array base palte provided in an embodiment of the present invention, in addition to for successively to respectively sweeping
The gate driving circuit that line provides scanning signal is retouched, displacement corresponding with per scan line is wherein provided with gate driving circuit
Transmit signal output part.
Specifically, the gate driving circuit as shown in Figure 3 a, includes the multi-stage shift register VSR (n) of cascade, wherein n
=1,2,3,4 ..., one scan line gate (n) of correspondence per one-level shift register VSR (n), for corresponding scan line
Gate (n) exports scanning signal, one displacement transmission signal output part next (n) of correspondence per one-level shift register VSR (n),
Also used for providing input signal to next stage shift register VSR (n+1), and shifting transmission signal output part next (n)
In the output for coordinating clock signal output terminal CLK1 or CLK2 to control this grade of shift register VSR (n).The work of gate driving circuit
Make principle referring to the timing diagram shown in Fig. 3 d, one displacement transmission signal output part next of every scan line gate (n) correspondence
(n), for each scan line gate (n), when the corresponding displacement transmission signals of the scan line gate of this in gate driving circuit (n)
When output end next (n) and clock signal output terminal CLK1 or CLK2 export useful signal, gate driving circuit is swept to this
Retouch line gate (n) output scanning signals.
The embodiment of shift register and existing identical, one of which of illustrating here reality in gate driving circuit
Mode is applied, as shown in Figure 3 b, shift register VSR (n) includes flip-flop element 01, NAND gate unit 02, reset unit 03
With buffer cell 04.Wherein flip-flop element 01, NAND gate unit 02, reset unit 03 and the concrete structure of buffer cell 04 are as schemed
Shown in 3c.Shift register VSR (n) concrete operating principle is not described in detail here.
Further, in the specific implementation, in above-mentioned array base palte provided in an embodiment of the present invention, scanning signal can be with
It is high potential signal or low-potential signal, is not limited thereto.
Alternatively, in above-mentioned array base palte provided in an embodiment of the present invention, the control ends of all controlling switches with most
The corresponding displacement transmission signal output part of the corresponding shift register of latter bar scan line is connected.So, swept when with the last item
When retouching the corresponding displacement transmission signal output part output useful signal of line, all controlling switches are opened, the electricity on all data wires
Lotus is neutralized each other, and before polarity of voltage so on the data line is inverted, the electric charge on data wire has been neutralized, and
Individually the time for neutralizing electric charge need not be increased between two frames.
It should be noted that in above-mentioned array base palte provided in an embodiment of the present invention, the last item scan line refers to：Battle array
According to scanning direction in row substrate, the scan line finally scanned.
Alternatively, in the above-mentioned array base palte that the present invention implements offer, array base palte includes viewing area and peripheral region
Domain, controlling switch may be contained within neighboring area, and area is shown so as to avoid controlling switch from taking.
Alternatively, in above-mentioned array base palte provided in an embodiment of the present invention, controlling switch be located at neighboring area close to
The last item scan line it is corresponding displacement transmission signal output part side, can so reduce displacement transmission signal output part away from
With a distance from controlling switch, so as to reduce displacement transmission signal output part to the track lengths of controlling switch control end.
Alternatively, in above-mentioned array base palte provided in an embodiment of the present invention, controlling switch is switching transistor.Wherein,
The grid of switching transistor is the control end of controlling switch, the source electrode of switching transistor or drain electrode for controlling switch first end,
The drain electrode of switching transistor or the second end that source electrode is controlling switch.
In the specific implementation, in above-mentioned array base palte provided in an embodiment of the present invention, switching transistor is N-type transistor
Or P-type transistor.When switching transistor is N-type transistor, control signal is high potential signal, when switching transistor is p-type
During transistor, control signal is low-potential signal.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of driving method of above-mentioned array base palte, including：
In each frame end, each controlling switch makes its first end be turned on the second end under control of the control signal, with
Make mutually to neutralize between the electric charge on all data wires.
Above-mentioned driving method provided in an embodiment of the present invention, because in each frame end, each controlling switch is believed in control
Number control under turn on its first end and the second end, so as to mutually be neutralized between the electric charge on all data wires, so
It can not only play a part of reducing power consumption.Also, due to the voltage dedicated for neutralizing electric charge need not be provided, therefore can be with
Further reduce power consumption.Further, since before polarity of voltage on the data line is inverted, the electric charge on data wire is by
With, it is not necessary to individually increase the time for neutralizing electric charge between two frames.Also, in embodiments of the present invention, control signal
It can be the shifting of the displacement transmission signal output part output of afterbody shift register in gate driving circuit in array base palte
Position transmission signal.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of display panel, including the embodiment of the present invention is carried
Any of the above-described kind of array base palte supplied.Because the principle that the display panel solves problem is similar to a kind of foregoing array base palte, because
The implementation of this display panel may refer to the implementation of aforementioned array substrate, repeats part and repeats no more.
In the specific implementation, above-mentioned display panel provided in an embodiment of the present invention is liquid crystal display panel.
Above-mentioned array base palte provided in an embodiment of the present invention, its driving method and display panel, due to for each number
One-to-one controlling switch is respectively provided with according to line, when all controlling switches are turned on, all data wires can be made short each other
Connect so that the electric charge on data wire one another and, the voltage swing scope of liquid crystal capacitance discharge and recharge can be reduced, and then play
Reduce the effect of power consumption.Also, due in the array base palte, being only connected with each other between data wire by controlling switch just can be with
Electric charge on data wire is neutralized, without providing dedicated for neutralizing the voltage of electric charge, therefore power consumption can be further reduced.Separately
Outside, the electronic devices such as cabling for providing the voltage are saved, the wiring space on array base palte, Er Qieke can be not only reduced
To reduce cost.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (11)
1. a kind of array base palte, it is characterised in that including some data lines, controlled correspondingly with each data wire
System switch；Wherein,
The first end of each controlling switch and corresponding data wire are connected, the second end of each controlling switch only with except oneself
Outside the second end of other controlling switches be connected, the control end of each controlling switch is used to receive control signal to control
The first end and the second end for stating controlling switch are turned on.
2. array base palte as claimed in claim 1, it is characterised in that the control end of all controlling switches, which is connected, receives same
One control signal.
3. array base palte as claimed in claim 2, it is characterised in that also including some scan lines, the control signal
Voltage is identical with the voltage of the scanning signal in the scan line.
4. array base palte as claimed in claim 3, it is characterised in that also including being swept for being provided successively to each scan line
The gate driving circuit of signal is retouched, wherein being provided with displacement transmission letter corresponding with per scan line in the gate driving circuit
Number output end；
The control end of all controlling switches displacement transmission signal output part corresponding with the last item scan line is connected.
5. array base palte as claimed in claim 4, it is characterised in that the array base palte includes viewing area and peripheral region
Domain, the controlling switch is located at the neighboring area.
6. array base palte as claimed in claim 5, it is characterised in that the controlling switch be located at the neighboring area close to
The side of the corresponding displacement transmission signal output part of the last item scan line.
7. the array base palte as described in claim any one of 1-6, it is characterised in that the controlling switch is switching transistor.
8. array base palte as claimed in claim 7, it is characterised in that the switching transistor is N-type transistor or P-type crystal
Pipe.
9. a kind of display panel, it is characterised in that including the array base palte as described in claim any one of 1-8.
10. display panel as claimed in claim 9, it is characterised in that the display panel is liquid crystal display panel.
11. the driving method of a kind of array base palte as described in claim any one of 1-8, it is characterised in that in each frame knot
Shu Shi, each controlling switch makes its first end be turned on the second end under control of the control signal, so that all data
Mutually neutralized between electric charge on line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122645.8A CN107065251A (en) | 2016-12-08 | 2016-12-08 | A kind of array base palte, its driving method and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122645.8A CN107065251A (en) | 2016-12-08 | 2016-12-08 | A kind of array base palte, its driving method and display panel |
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| CN107065251A true CN107065251A (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611122645.8A Pending CN107065251A (en) | 2016-12-08 | 2016-12-08 | A kind of array base palte, its driving method and display panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293266A (en) * | 2017-07-19 | 2017-10-24 | 深圳市华星光电半导体显示技术有限公司 | A kind of liquid crystal display panel and device |
| CN107367855A (en) * | 2017-09-08 | 2017-11-21 | 京东方科技集团股份有限公司 | A kind of array base palte and its control method, display panel, display device |
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| KR20100051945A (en) * | 2008-11-10 | 2010-05-19 | 엘지디스플레이 주식회사 | Liquid crystal display device |
| US8022917B2 (en) * | 2005-06-07 | 2011-09-20 | Sunplus Technology Co., Ltd. | LCD panel driving method and device with charge sharing |
| CN103366660A (en) * | 2012-03-27 | 2013-10-23 | 瀚宇彩晶股份有限公司 | Display panel and charge sharing method thereof |
| CN104392685A (en) * | 2014-12-15 | 2015-03-04 | 合肥京东方光电科技有限公司 | Array substrate, display panel and polarity reversal driving method |
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2016
- 2016-12-08 CN CN201611122645.8A patent/CN107065251A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8022917B2 (en) * | 2005-06-07 | 2011-09-20 | Sunplus Technology Co., Ltd. | LCD panel driving method and device with charge sharing |
| KR20100051945A (en) * | 2008-11-10 | 2010-05-19 | 엘지디스플레이 주식회사 | Liquid crystal display device |
| CN103366660A (en) * | 2012-03-27 | 2013-10-23 | 瀚宇彩晶股份有限公司 | Display panel and charge sharing method thereof |
| CN104392685A (en) * | 2014-12-15 | 2015-03-04 | 合肥京东方光电科技有限公司 | Array substrate, display panel and polarity reversal driving method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293266A (en) * | 2017-07-19 | 2017-10-24 | 深圳市华星光电半导体显示技术有限公司 | A kind of liquid crystal display panel and device |
| CN107367855A (en) * | 2017-09-08 | 2017-11-21 | 京东方科技集团股份有限公司 | A kind of array base palte and its control method, display panel, display device |
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Application publication date: 20170818 |
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