CN104849891A - Liquid crystal display device - Google Patents

Liquid crystal display device Download PDF

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Publication number
CN104849891A
CN104849891A CN201510275184.7A CN201510275184A CN104849891A CN 104849891 A CN104849891 A CN 104849891A CN 201510275184 A CN201510275184 A CN 201510275184A CN 104849891 A CN104849891 A CN 104849891A
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CN
China
Prior art keywords
liquid crystal
sweep trace
data line
crystal indicator
transistor
Prior art date
Application number
CN201510275184.7A
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Chinese (zh)
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CN104849891B (en
Inventor
钟德镇
郑会龙
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昆山龙腾光电有限公司
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Priority to CN201510275184.7A priority Critical patent/CN104849891B/en
Publication of CN104849891A publication Critical patent/CN104849891A/en
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Publication of CN104849891B publication Critical patent/CN104849891B/en

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306Circuit arrangements or driving methods for the control of single liquid crystal cells
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers

Abstract

The invention provides a liquid crystal display device comprising a liquid crystal display panel. The liquid crystal display panel comprises a gate drive circuit, a source drive circuit, n+1 scanning lines arranged in order and connected with the gate drive circuit, m sequentially arranged data lines connected with the source drive circuit, m transistors, a common electrode line and a plurality of pixel units; the pixel units are formed by intersections of the first to n-th scanning lines and the m data lines; n and m are both natural numbers and are greater than or equal to 1; the control end of every transistor is connected with the (n+1)-th one of the n+1 scanning lines; one connection end of each transistor is connected with one of the m data lines; the other connection end of every transistor is connected with the common electrode line. The liquid crystal display device has the advantages that the charge-discharge voltage difference of the data lines can be decreased via the charge sharing function so as to lower the power consumption without adding any extra process.

Description

Liquid crystal indicator

Technical field

The present invention relates to field of liquid crystal display, particularly a kind of liquid crystal indicator adopting charge share function.

Background technology

Because liquid crystal indicator has the plurality of advantages such as frivolous, energy-conservation, radiationless, be widely used at present in the electronic equipments such as TV, PC, panel computer, personal digital assistant (PDA), mobile phone, digital camera.Liquid crystal indicator comprises display panels, and multiple pixel cells that display panels generally includes gate driver circuit, source electrode drive circuit, multi-strip scanning line, a plurality of data lines and intersected to form by this multi-strip scanning line and a plurality of data lines.Multi-strip scanning line is connected to gate driver circuit, gate driver circuit by multi-strip scanning line for multiple pixel cell provides gate drive signal.A plurality of data lines is connected to source electrode drive circuit, source electrode drive circuit by a plurality of data lines for multiple pixel cell provides display.

In order to avoid the problem that the removable ion in the liquid crystal in display panels causes direct current residual, reversal of poles need be done to the voltage on the liquid crystal capacitance of each pixel cell, make the display voltage being supplied to pixel cell contrary in front and back two frame picture Semi-polarity.The type of drive of the reversal of poles more generally used at present comprises frame reversion, row reversion, row reversion and some reversion.Therefore, for same data line, on it, the required voltage exported is that positive-negative polarity interlocks, and for the liquid crystal capacitance of each pixel cell, the power consumption of its discharge and recharge is 0.5*f*Clc*V*V, wherein, f is the frequency of voltage discharge and recharge, V is the voltage of discharge and recharge, namely shows voltage, and Clc is liquid crystal capacitance.In the display panels adopting reversal of poles to drive, because source electrode drive circuit needs the reversal once showing voltage when every frame refreshing, therefore need to consume larger power consumption.Especially the display panels of reversion driving, except once showing the reversal of voltage when every frame refreshing, within each frame period, when every scan line is scanned by gate drive signal, the voltage polarity reversal of the display that source electrode drive circuit all will make the output channel of each data line corresponding provide once, therefore, required power consumption is larger.

Please refer to Fig. 1, Fig. 1 is the electrical block diagram of a kind of source electrode drive circuit in prior art.As shown in Figure 1, this source electrode drive circuit 10 comprises the first output channel 11 and the second output channel 12, this first output channel 11 comprises the first digital to analog converter 110, first operational amplifier 112 and the first output terminal 114, and this second output channel 12 comprises the second digital to analog converter 120, second operational amplifier 122 and the second output terminal 124.First output channel 11 and the second output channel 12 are respectively used to provide first, second output signal Output1, Output2, and this first, second output signal Output1, Output2 are supplied to the adjacent data line (not shown) of two of display panels respectively as display.After this source electrode drive circuit 10 drives load at every turn, that is, when every bar sweep trace is scanned, after display is supplied to corresponding pixel cell by this source electrode drive circuit 10 respectively, and first operational amplifier 112 and the second operational amplifier 122 again before output display signal, charge share control signal CSC gauge tap 13 is opened, and carries out charge share to make first, second output terminal 114,124.

But, adopt the source electrode drive circuit 10 of this charge share function to need collocation with the circuit of charge share function, compatible poor.

Summary of the invention

Object of the present invention comprises provides a kind of liquid crystal indicator, to solve liquid crystal indicator of the prior art to cause poor compatibility problem owing to using the source electrode drive circuit of electrically charged sharing functionality.

Particularly, embodiments of the invention provide a kind of liquid crystal indicator, comprise display panels, this display panels comprises gate driver circuit, source electrode drive circuit, the sweep trace that the n+1 bar be connected with this gate driver circuit is arranged in order, the data line that the m bar be connected with this source electrode drive circuit is arranged in order, m transistor, public electrode wire and the multiple pixel cells intersected to form by the 1st in this n+1 article sweep trace article to n-th article of sweep trace and this m article of data line, wherein, n and m is natural number and is more than or equal to 1, the control end of this m transistor is all connected with (n+1)th sweep trace in this n+1 bar sweep trace, one path terminal of this m transistor connects this m bar data line respectively, another path terminal of this m transistor all connects this public electrode wire.

Preferably, this m transistor is thin film transistor (TFT).

Preferably, the transistor switch in the plurality of pixel cell of this m transistor AND gate is formed in same processing procedure.

Preferably, each frame of this liquid crystal indicator comprises display time interval and blank interval, and at this display time interval, this gate driver circuit is followed successively by the 1st article to n-th article sweep trace provides gate drive signal to realize display; At this blank interval, this gate driver circuit provides gate drive signal to start charge share function for this (n+1)th sweep trace.

Preferably, at this blank interval of each frame, this source electrode drive circuit stops providing display to this m bar data line.

Preferably, this charge share function on, makes this m transistor open, by the charge share on this m bar data line on this public electrode wire.

Preferably, the charge polarity on adjacent odd bits data line and even bit data line is contrary, is neutralized the electric charge on this odd bits data line and this even bit data line by this charge share function.

Preferably, this liquid crystal indicator comprises a sequential control circuit further, and this sequential control circuit is connected with this source electrode drive circuit with this gate driver circuit.

Preferably, this sequential control circuit provides an enabling signal to this gate driver circuit, and this gate driver circuit is followed successively by this n+1 bar sweep trace and provides gate drive signal.

Preferably, this sequential control circuit provides an enabling signal to this gate driver circuit, this gate driver circuit first provides a gate drive signal to start charge share function to this (n+1)th sweep trace, and be supplied to the enabling signal of gate drive signal as the 1st article of sweep trace of this (n+1)th article of sweep trace, make this gate driver circuit provide gate drive signal to realize display to the 1st article to n-th article sweep trace successively.

The liquid crystal indicator that embodiments of the invention provide, by this m bar transistor by the charge share in data line on public electrode wire, opposed polarity electric charge on this adjacent data line is neutralized, thus the charge and discharge voltage span reduced when reversal of poles on this data line, reduce the waste of electric charge, to reduce the power consumption of whole liquid crystal indicator, and this liquid crystal indicator does not need source electrode drive circuit to arrange in pairs or groups with the circuit of charge share function, do not need to increase additional process, charge share function only can complete by panel itself, do not affect the compatibility of source electrode drive circuit.

Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.

Accompanying drawing explanation

Fig. 1 is the electrical block diagram of a kind of source electrode drive circuit in prior art.

The electrical block diagram of a kind of liquid crystal indicator that Fig. 2 provides for first embodiment of the invention.

The waveform schematic diagram that Fig. 3 is the part signal of the liquid crystal indicator shown in Fig. 2.

The electrical block diagram of a kind of liquid crystal indicator that Fig. 4 provides for second embodiment of the invention.

Embodiment

For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of liquid crystal indicator proposed according to the present invention, method, step, structure, feature and effect, be described in detail as follows.

Aforementioned and other technology contents, feature and effect for the present invention, can clearly present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of embodiment, when can to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.

Please refer to Fig. 2, the electrical block diagram of a kind of liquid crystal indicator that Fig. 2 provides for first embodiment of the invention.As shown in Figure 2, liquid crystal indicator 20 comprises display panels 21 and sequential control circuit 22.Display panels 21 comprise gate driver circuit 210, source electrode drive circuit 211, n+1 bar sweep trace G1, G2 ... Gn+1, m bar data line D1, D2 ... Dm, m transistor 214, public electrode wire Vcom and the multiple pixel cells 215 intersected to form by the n bar sweep trace G1 in n+1 bar sweep trace ~ Gn and m bar data line D1 ~ Dm, wherein, n and m is natural number and is more than or equal to 1, and each pixel cell 215 comprises a transistor switch 216, liquid crystal capacitance Clc and memory capacitance Cst.

N+1 bar sweep trace G1, G2 ... Gn+1 is parallel to each other and is arranged in order, m bar data line D1, D2 ... Dm is parallel to each other and is arranged in order.M bar data line D1, D2 ... Dm is connected with public electrode wire Vcom respectively by m transistor 214, the control end (sign) of m transistor 214 is all connected with (n+1)th sweep trace Gn+1, one path terminal (sign) of m transistor 214 connect respectively m bar data line D1, D2 ... another path terminal (sign) of Dm, m transistor 214 all connects public electrode wire Vcom.

Transistor 214 can be thin film transistor (TFT), and can be formed in same processing procedure with the transistor switch 216 in pixel cell 215.

Sequential control circuit 22 connects gate driver circuit 210 with source electrode drive circuit 211 to provide various timing control signal respectively to gate driver circuit 210 and source electrode drive circuit 211.N+1 bar sweep trace G1, G2 ... Gn+1 is connected to gate driver circuit 210, gate driver circuit 210 be followed successively by after receiving the enabling signal that sequential control circuit 22 provides n+1 bar sweep trace G1, G2 ... Gn+1 provides gate drive signal.M bar data line D1, D2 ... Dm is connected to source electrode drive circuit 211, source electrode drive circuit 211 by m bar data line 213 for multiple pixel cell 215 provides display.

In the present embodiment, each frame of liquid crystal indicator 20 comprises display time interval and blank interval, at the display time interval of each frame, gate driver circuit 210 provides gate drive signal to n bar sweep trace G1 ~ Gn successively, when each sweep trace in n bar sweep trace G1 ~ Gn is scanned, source electrode drive circuit 211 provides display to m bar data line D1, D2, Dm, wherein, the polarity of voltage of the display on an often adjacent odd bits data line and an even bit data line is contrary, the polarity of voltage of the display received to make adjacent pixel cell 215 is contrary, and among two adjacent frames, source electrode drive circuit 211 is by m bar data line D1, D2, the polarity of voltage that Dm is supplied to the display of identical pixel cell 215 is also contrary, thus realize the reversal of poles of display.And at the blank interval of each frame, source electrode drive circuit 211 stop providing display to m bar data line D1, D2 ... Dm, gate driver circuit 210 provides gate drive signal to (n+1)th sweep trace Gn+1, to start charge share function.

Please refer to Fig. 3, Fig. 3 is the waveform schematic diagram of the part signal of liquid crystal indicator 20.Suppose that the voltage of the display that two adjacent pixel cells 215 receive from an odd bits data line and an even bit data line is respectively respectively+5V and-5V, as shown in Figure 3, in each frame, the polarity of voltage of the display that two pixel cells 215 receive is contrary, and in consecutive frame, the polarity of voltage of the display that each pixel cell 215 receives is contrary.In the t1 moment, blank interval starts, charge share function on, now gate driver circuit 210 provides gate drive signal to (n+1)th sweep trace Gn+1, m transistor 214 is opened, by the charge share on m bar data line 213 on public electrode wire Vcom, because the charge polarity on adjacent odd bits data line and even bit data line is contrary, therefore, the electric charge on odd bits data line and even bit data line neutralizes.In embodiments of the present invention, the voltage that originally voltage is respectively on the odd bits data line of+5V and-5V and even bit data line becomes+3.7839V and-3.781V.In the t2 moment, blank interval terminates, polarity of voltage on odd bits data line and even bit data line reverses, when next frame starts, the voltage on odd bits data line is become-5V from+3.7839V, voltage on even bit data line is become+5V from-3.781V, the voltage span of reversal of poles is decreased to 7.5649V by original 10V, reduces power consumption.Equally, when the blank interval of next frame starts, charge share function starts again.

As shown in Figure 3, the liquid crystal indicator 20 that the present embodiment provides by increasing a sweep trace Gn+1 and m transistor 214 on display panels 21, m bar data line D1 ~ Dm is made to be connected to public electrode wire Vcom respectively by m transistor 214, at the blank interval of each frame, sweep trace Gn+1 provides gate drive signal that m transistor 214 is opened, start charge share function, make the charge share of opposed polarity on the adjacent data line in m bar data line D1 ~ Dm on public electrode wire Vcom, to carry out charging neutrality, make the voltage span on data line reduce when reversal of poles, thus reduce the discharge and recharge pressure reduction of data line in reversal of poles process, and then reduce the power consumption of whole liquid crystal indicator 20.Therefore, separately need not arrange in pairs or groups with the circuit of charge share function on source electrode drive circuit 211, and not affect the compatibility of source electrode drive circuit 211.

Please refer to Fig. 4, the electrical block diagram of a kind of liquid crystal indicator that Fig. 4 provides for second embodiment of the invention.As shown in Figure 4, the liquid crystal indicator 30 that the present embodiment provides is similar to the liquid crystal indicator 20 that the first embodiment provides, difference is, in the present embodiment, gate driver circuit 310 first provides gate drive signal to start charge share function at blank interval to (n+1)th sweep trace Gn+1 after receiving the enabling signal that sequential control circuit 32 provides, and will the enabling signal of gate drive signal as the 1st article of sweep trace G1 of (n+1)th article of sweep trace Gn+1 be supplied to, thus make gate driver circuit 310 be followed successively by n bar sweep trace G1 at display time interval, G2, Gn provides gate drive signal to realize display.

That is, in the present embodiment, liquid crystal indicator 30, when starting, first starts charge share function at blank interval, shows subsequently at display time interval.

In sum, the liquid crystal indicator that embodiments of the invention provide, by m transistor each frame blank interval by m bar data line D1, D2 ... charge share in Dm is on public electrode wire Vcom, opposed polarity electric charge on adjacent data line is neutralized, thus reduce when reversal of poles m bar data line D1, D2 ... charge and discharge voltage span on Dm, reduce the waste of electric charge, to reduce the power consumption of whole liquid crystal indicator.Further, the liquid crystal indicator that embodiments of the invention provide does not need source electrode drive circuit to arrange in pairs or groups with the circuit of charge share function, do not need to increase additional process, charge share function relies on the circuit of panel itself to complete, and does not affect the compatibility of source electrode drive circuit.

The foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; any those skilled in the art; do not departing within the scope of technical solution of the present invention; a little change or modification etc. are made when above-mentioned disclosed technology contents can be utilized; all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a liquid crystal indicator, comprise display panels, it is characterized in that, this display panels comprises gate driver circuit, source electrode drive circuit, the sweep trace that the n+1 bar be connected with this gate driver circuit is arranged in order, the data line that the m bar be connected with this source electrode drive circuit is arranged in order, m transistor, public electrode wire and the multiple pixel cells intersected to form by the 1st in this n+1 article sweep trace article to n-th article of sweep trace and this m article of data line, wherein, n and m is natural number and is more than or equal to 1, the control end of this m transistor is all connected with (n+1)th sweep trace in this n+1 bar sweep trace, one path terminal of this m transistor connects this m bar data line respectively, another path terminal of this m transistor all connects this public electrode wire.
2. liquid crystal indicator according to claim 1, is characterized in that, this m transistor is thin film transistor (TFT).
3. liquid crystal indicator according to claim 2, is characterized in that, the transistor switch in the plurality of pixel cell of this m transistor AND gate is formed in same processing procedure.
4. liquid crystal indicator according to claim 1, it is characterized in that, each frame of this liquid crystal indicator comprises display time interval and blank interval, and at this display time interval, this gate driver circuit is followed successively by the 1st article to n-th article sweep trace provides gate drive signal to realize display; At this blank interval, this gate driver circuit provides gate drive signal to start charge share function for this (n+1)th sweep trace.
5. liquid crystal indicator according to claim 4, is characterized in that, at this blank interval of each frame, this source electrode drive circuit stops providing display to this m bar data line.
6. liquid crystal indicator according to claim 4, is characterized in that, this charge share function on, and this m transistor is opened, by the charge share on this m bar data line on this public electrode wire.
7. liquid crystal indicator according to claim 6, it is characterized in that, charge polarity on adjacent odd bits data line and even bit data line is contrary, is neutralized the electric charge on this odd bits data line and this even bit data line by this charge share function.
8. liquid crystal indicator according to claim 1, is characterized in that, this liquid crystal indicator comprises a sequential control circuit further, and this sequential control circuit is connected with this source electrode drive circuit with this gate driver circuit.
9. liquid crystal indicator according to claim 8, is characterized in that, this sequential control circuit provides an enabling signal to this gate driver circuit, and this gate driver circuit is followed successively by this n+1 bar sweep trace and provides gate drive signal.
10. liquid crystal indicator according to claim 8, it is characterized in that, this sequential control circuit provides an enabling signal to this gate driver circuit, this gate driver circuit first provides a gate drive signal to start charge share function to this (n+1)th sweep trace, and will the enabling signal of gate drive signal as the 1st article of sweep trace of this (n+1)th article of sweep trace be supplied to, and make this gate driver circuit provide gate drive signal to realize display to the 1st article to n-th article sweep trace successively.
CN201510275184.7A 2015-05-26 2015-05-26 Liquid crystal display device CN104849891B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105489182A (en) * 2016-01-05 2016-04-13 京东方科技集团股份有限公司 Display substrate and display device
CN105761703A (en) * 2016-05-20 2016-07-13 京东方科技集团股份有限公司 Array substrate, display device and charging control method
CN105869600A (en) * 2016-06-12 2016-08-17 深圳市华星光电技术有限公司 LCD (Liquid Crystal Display) and driving circuit thereof
US10629154B2 (en) 2016-03-11 2020-04-21 Boe Technology Group Co., Ltd. Circuit for powering off a liquid crystal panel, peripheral drive device and liquid crystal panel

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CN101218623A (en) * 2005-07-14 2008-07-09 夏普株式会社 Active matrix type liquid crystal display device and its drive method
WO2010119113A1 (en) * 2009-04-15 2010-10-21 Store Electronic Systems Low power active matrix display
CN101872595A (en) * 2009-04-21 2010-10-27 瑞萨电子株式会社 The display device of driver and this driver of use
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101218623A (en) * 2005-07-14 2008-07-09 夏普株式会社 Active matrix type liquid crystal display device and its drive method
US20070182667A1 (en) * 2006-02-03 2007-08-09 Choi Sung-Pil Source driver and display device having the same
WO2010119113A1 (en) * 2009-04-15 2010-10-21 Store Electronic Systems Low power active matrix display
CN101872595A (en) * 2009-04-21 2010-10-27 瑞萨电子株式会社 The display device of driver and this driver of use
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105489182A (en) * 2016-01-05 2016-04-13 京东方科技集团股份有限公司 Display substrate and display device
CN105489182B (en) * 2016-01-05 2018-01-16 京东方科技集团股份有限公司 Display base plate and display device
US10204578B2 (en) 2016-01-05 2019-02-12 Boe Technology Group Co., Ltd. Display substrate and display device
US10629154B2 (en) 2016-03-11 2020-04-21 Boe Technology Group Co., Ltd. Circuit for powering off a liquid crystal panel, peripheral drive device and liquid crystal panel
CN105761703B (en) * 2016-05-20 2018-05-25 京东方科技集团股份有限公司 Array substrate, display device and charge control method
CN105761703A (en) * 2016-05-20 2016-07-13 京东方科技集团股份有限公司 Array substrate, display device and charging control method
CN105869600A (en) * 2016-06-12 2016-08-17 深圳市华星光电技术有限公司 LCD (Liquid Crystal Display) and driving circuit thereof
CN105869600B (en) * 2016-06-12 2019-02-12 深圳市华星光电技术有限公司 Liquid crystal display and its driving circuit

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