CN104297969A - Liquid crystal display panel, discharging method thereof and display device - Google Patents
Liquid crystal display panel, discharging method thereof and display device Download PDFInfo
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- CN104297969A CN104297969A CN201410589394.9A CN201410589394A CN104297969A CN 104297969 A CN104297969 A CN 104297969A CN 201410589394 A CN201410589394 A CN 201410589394A CN 104297969 A CN104297969 A CN 104297969A
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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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- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a liquid crystal display panel, a discharging method thereof and a display device. The liquid crystal display panel comprises a plurality of pixel structures arranged in a matrix mode, discharging ends, a plurality of scanning lines and data lines. Each pixel structure comprises a switch unit and a pixel unit connected with each other, and each switch unit is used for starting and stopping the corresponding pixel unit. The liquid crystal display panel further comprises a discharging circuit connected with the scanning lines, the data lines and the discharging ends and is used for enabling the scanning lines to conduct discharging scanning and starting the switch units, so that residual charges on the pixel units are discharged to the discharging ends through the data lines. According to the liquid crystal display panel, the discharging circuit is arranged, the residual charges on the pixel units are discharged more thoroughly, and appearance of residual images in the display process of the liquid crystal display panel or after display of the liquid crystal display panel is finished is further avoided.
Description
Technical field
The present invention relates to display technique field, particularly, relate to a kind of display panels and charging method thereof and display device.
Background technology
In recent years, liquid crystal display, because of its low-work voltage, low-power consumption, Low emissivity, little space occupancy and the frivolous advantage such as attractive in appearance, is constantly popularized, has been become market mainstream display device.At present, the requirement of people to liquid crystal display improves constantly, and particularly requires more and more higher to the display image quality of whole display.Wherein, image retention problem is one of most critical factor affecting image display quality.
Traditional display panels is made up of two transparency carrier sandwiched liquid crystal layers.A substrate is formed with a plurality of data lines and multi-strip scanning line, dot structure is provided with in data line and the space crossed region surrounded of sweep trace, dot structure comprises switch control element (as TFT) and pixel portion (comprising liquid crystal capacitance and memory capacitance), switch control element is for controlling the opening and closing (i.e. the charging and discharging of memory capacitance and liquid crystal capacitance) in pixel portion, thus deflect under the electric field action that formed at liquid crystal capacitance of liquid crystal in control display panels, and then realize the image display function of liquid crystal panel.
Usually, the grid of TFT is connected with sweep trace, and the source electrode of TFT is connected with data line, and the drain electrode of TFT is connected with a pole of memory capacitance and liquid crystal capacitance, and memory capacitance is connected with public electrode with another pole of liquid crystal capacitance.During display, TFT opens by the sweep signal that sweep trace exports, data-signal on data line just can be sent to the drain electrode of TFT from the source electrode of TFT, memory capacitance and liquid crystal capacitance are charged, can be formed between two pole plates of the liquid crystal capacitance of charging makes liquid crystal carry out the electric field deflected, thus realizes the image display of liquid crystal panel.
The electric field that liquid crystal is deflected has directivity, if do not changed direction of an electric field, direct current can be produced and block the problem such as effect (voltage difference is mainly distributed in oriented layer), liquid crystal fatigue, so need the frequent direction changing the electric field that liquid crystal capacitance is formed, namely need to make electric field carry out reversal of poles, reversal of poles comprises frame reversion, some reversion, row reversion and row reversion.In the reversal of poles process of electric field, because in the electric leakage of TFT and liquid crystal capacitance, the crosstalk of stray capacitance can cause the positive and negative charge on liquid crystal capacitance two pole plates not offset completely, thus cause the generation of direct current residual charge (i.e. DC residual charge) on certain pole plate of liquid crystal capacitance, this part residual charge is assembled, liquid crystal aligning can be made not reset into original state, form image retention.
Summary of the invention
The present invention is directed to the above-mentioned technical matters existed in prior art, a kind of display panels and charging method thereof and display device are provided.This display panels is by arranging discharge circuit, electric charge residual on pixel cell is made to be released into discharge end by data line, thus make the release of residual charge more thorough, and then avoid display panels in procedure for displaying or display terminate after the appearance of image retention, ensure that the quality of display frame.
The invention provides a kind of display panels, comprise multiple dot structures of the arrangement in matrix, discharge end, multi-strip scanning line and data line, each described dot structure includes interconnective switch element and pixel cell, described switch element is for opening and closing described pixel cell, also comprise discharge circuit, described discharge circuit and described sweep trace, described data line is connected respectively with described discharge end, electric discharge scanning is carried out for making described sweep trace, described switch element is opened, described discharge end is released into by described data line to make electric charge residual on described pixel cell.
Preferably, described discharge circuit comprises control of discharge end, scanning electronic circuit and data subcircuit;
Described control of discharge end is connected with the input end of described scanning electronic circuit and the first input end of described data subcircuit, for providing electric discharge drive singal to described scanning electronic circuit and described data subcircuit;
The output terminal of described scanning electronic circuit is connected with described sweep trace, for providing electric discharge sweep signal to described sweep trace;
Second input end of described data subcircuit is connected with described data line, and the output terminal of described data subcircuit is connected with described discharge end, for electric charge residual on described pixel cell is released into described discharge end by described data line.
Preferably, described scanning electronic circuit comprises multiple the first transistor, and the grid of described the first transistor is extremely all connected with described control of discharge end with first, and the second pole and many described sweep traces of multiple described the first transistor connect one to one respectively.
Preferably, described data subcircuit comprises multiple transistor seconds, the grid of described transistor seconds is connected with described control of discharge end, first pole and many described data lines of multiple described transistor seconds connect one to one respectively, and the second pole of described transistor seconds is connected with described discharge end.
Preferably, also comprise scan drive circuit, described scan drive circuit is connected respectively with described sweep trace and described control of discharge end, for providing scanning drive signal when showing to described sweep trace, provides described electric discharge drive singal when discharging to described control of discharge end.
Preferably, described discharge end is earth terminal or common electrical pressure side.
The present invention also provides a kind of display device, comprises above-mentioned display panels.
The present invention also provides a kind of charging method of above-mentioned display panels, comprise: discharge circuit carries out electric discharge scanning to sweep trace, opened by switch element in dot structure, electric charge residual on the pixel cell in described dot structure is released into discharge end by data line and described discharge circuit.
Preferably, the control of discharge end in described discharge circuit one frame display start before and/or a frame display terminate after to scanning electronic circuit and data subcircuit electric discharge drive singal is provided; After receiving described electric discharge drive singal, described scanning electronic circuit provides electric discharge sweep signal to described sweep trace, and electric charge residual on described pixel cell is released into described discharge end by described data line by described data subcircuit.
Preferably, scan drive circuit provides described electric discharge drive singal when discharging to described control of discharge end, provides scanning drive signal when showing to described sweep trace.
Beneficial effect of the present invention: display panels provided by the present invention, by arranging discharge circuit, electric charge residual on pixel cell is made to be released into discharge end by data line, thus make the release of residual charge more thorough, and then avoid display panels in procedure for displaying or display terminate after the appearance of image retention, ensure that the quality of display frame.
Display device provided by the present invention, by adopting above-mentioned display panels, residual charge in this display device is thoroughly discharged, thus makes this display device avoid occurring image retention and ghost in start, shutdown and procedure for displaying, and then ensure that the display quality of this display device.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of display panels in the embodiment of the present invention 1;
Fig. 2 is the electric discharge sequential chart of display panels in Fig. 1.
Description of reference numerals wherein:
1. dot structure; 11. switch elements; 12. pixel cells; 121. liquid crystal capacitance; 122. memory capacitance; 2. discharge end; 3. sweep trace; 4. data line; 5. discharge circuit; 51. control of discharge ends; 52. scanning electronic circuits; 521. the first transistor; 53. data subcircuit; 531. transistor seconds; 6. scan drive circuit.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, a kind of display panels provided by the invention and charging method thereof and display device are described in further detail.
Embodiment 1:
The present embodiment provides a kind of display panels, as shown in Figure 1, comprise multiple dot structures 1 of the arrangement in matrix, discharge end 2, multi-strip scanning line 3 and data line 4, each dot structure 1 includes interconnective switch element 11 and pixel cell 12, switch element 11 is for opening and closing pixel cell 12, also comprise discharge circuit 5, discharge circuit 5 and sweep trace 3, data line 4 is connected respectively with discharge end 2, electric discharge scanning is carried out for making sweep trace 3, switch element 11 is opened, discharge end 2 is released into by data line 4 to make electric charge residual on pixel cell 12.
In the present embodiment, multi-strip scanning line 3 and multirow switch element 11 connect one to one respectively, and a plurality of data lines 4 and multiple row switch element 11 connect one to one respectively.Switch element 11 adopts thin film transistor (TFT), and pixel cell 12 comprises liquid crystal capacitance 121 and memory capacitance 122.
The setting of discharge circuit 5, to make on pixel cell 12 residual electric charge thoroughly be released into discharge end 2, thus avoid display panels in procedure for displaying or display terminate after the appearance of image retention, and then ensure that the quality of display frame.
Wherein, discharge circuit 5 comprises control of discharge end 51, scanning electronic circuit 52 and data subcircuit 53.Control of discharge end 51 is connected with the scanning input end of electronic circuit 52 and the first input end of data subcircuit 53, for providing electric discharge drive singal to scanning electronic circuit 52 and data subcircuit 53.The output terminal of scanning electronic circuit 52 is connected with sweep trace 3, for providing electric discharge sweep signal to sweep trace 3.Second input end of data subcircuit 53 is connected with data line 4, and the output terminal of data subcircuit 53 is connected with discharge end 2, for electric charge residual on pixel cell 12 is released into discharge end 2 by data line 4.
Control of discharge end 51 is a terminal, when needs discharge, only need apply the drive singal that discharges on this terminal, because control of discharge end 51 does not have complicated circuit design, so reduce its area occupied, is conducive to realizing the display of narrow frame.The setting of scanning electronic circuit 52, can make the switch element 11 in all dot structures 1 open simultaneously, thus enable the residual charge on all pixel cells 12 be released into discharge end 2 simultaneously.The setting of data subcircuit 53, can make electric charge residual on pixel cell 12 finally all be released into discharge end 2, and can not have residual in data line 4 or pixel cell 12, thus electric charge residual on pixel cell 12 is thoroughly discharged.
In the present embodiment, scanning electronic circuit 52 comprises multiple the first transistor 521, and the grid of the first transistor 521 is extremely all connected with control of discharge end 51 with first, and the second pole and the multi-strip scanning line 3 of multiple the first transistor 521 connect one to one respectively.Wherein, the first pole and second pole of the first transistor 521 are respectively source electrode and drain electrode, do not limit as the first pole or the second pole source electrode or drain electrode.According to the above-mentioned connection of the first transistor 521, when the grid of the first transistor 521 receives scanning drive signal, all the first transistors 521 are all opened, now, the drain electrode of the first transistor 521 provides electric discharge sweep signal to sweep trace 3, because this electric discharge sweep signal provides to all sweep traces 3, so switch elements 11 all in dot structure 1 can be opened simultaneously simultaneously.
It should be noted that, the first transistor 521 and switch element 11 are prepared from by same processing procedure, without the need to increasing extra preparation technology, make simple.
In the present embodiment, data subcircuit 53 comprises multiple transistor seconds 531, the grid of transistor seconds 531 is connected with control of discharge end 51, and the first pole and a plurality of data lines 4 of multiple transistor seconds 531 connect one to one respectively, and the second pole of transistor seconds 531 is connected with discharge end 2.Wherein, the first pole and second pole of transistor seconds 531 are respectively source electrode and drain electrode, do not limit as the first pole or the second pole source electrode or drain electrode.According to the above-mentioned connection of transistor seconds 531, when the grid of transistor seconds 531 receives scanning drive signal, all transistor secondses 531 are all opened, now, because switch element 11 is all opened, so electric charge residual on pixel cell 12 is released into the drain electrode of transistor seconds 531 from the source electrode of transistor seconds 531 by data line 4, be then directly released into discharge end 2 from drain electrode.
It should be noted that, transistor seconds 531 and switch element 11 are prepared from by same processing procedure, without the need to increasing extra preparation technology, make simple.
In the present embodiment, display panels also comprises scan drive circuit 6, institute's scan drive circuit 6 is connected respectively with sweep trace 3 and control of discharge end 51, for providing scanning drive signal when showing to sweep trace 3, provides electric discharge drive singal when discharging to control of discharge end 51.Setting like this, can peripheral circuits, greatly reduces the area occupied of peripheral circuit, is conducive to realizing narrow frame.
Scan drive circuit 6 under the prerequisite providing the scanning drive signal meeting scanning resolution, can provide electric discharge drive singal.Such as: the resolution of display panels is 240 × 320 (i.e. the pixel cells 12 of so most amount), then need 240 sweep traces 3, the scanning when pixel cell 12 that just can complete 240 row shows, if desired two provide the sweep trace 3 of electric discharge drive singal, then need altogether design 242 sweep traces 3, correspondingly, scan drive circuit 6 also needs output 242 sweep signals, wherein 240 sweep signals are the scanning drive signal normally shown for display panels, two other sweep signal is for making the residual charge on pixel cell 12 carry out the electric discharge drive singal discharged.
It should be noted that, quantity for the sweep trace 3 providing electric discharge drive singal is determined according to the specific design of scan drive circuit 6, such as: drive if scan drive circuit 6 is designed to bilateral scanning, then for providing the sweep trace 3 of electric discharge drive singal to need 4, drive if scan drive circuit 6 is designed to simple scanning, then for providing the sweep trace 3 of electric discharge drive singal to need two.
It should be noted that in addition, electric discharge drive singal also can can't help scan drive circuit 6 to be provided, and provides the drive singal that discharges by the external world directly to control of discharge end 51.
In the present embodiment, discharge end 2 is common electrical pressure side, and namely discharge end 2 is public electrode wire, and public electrode wire has lower voltage, and residual charge can be made successfully to be released on it.Certainly, discharge end 2 also can be earth terminal, and residual charge directly can be released into the earth by earth terminal.The arranging of discharge end 2 can make electric charge residual on pixel cell 12 thoroughly be released, thus avoid display panels in procedure for displaying or display terminate after there is image retention.
Based on the structure of above-mentioned display panels, the present embodiment also provides a kind of charging method of this display panels, comprise: discharge circuit 5 pairs of sweep traces 3 carry out electric discharge scanning, opened by switch element 11 in dot structure 1, electric charge residual on the pixel cell 12 in dot structure 1 is released into discharge end 2 by data line 4 and discharge circuit 5.
In the present embodiment, as shown in Figure 2, the control of discharge end 51 in discharge circuit 5 provides electric discharge drive singal to scanning electronic circuit 52 and data subcircuit 53 after terminating with a frame display before a frame display starts; After receiving electric discharge drive singal, scanning electronic circuit 52 provides electric discharge sweep signal to sweep trace 3, and electric charge residual on pixel cell 12 is released into discharge end 2 by data line 4 by data subcircuit 53.After terminating with a frame display before a frame display starts, pixel cell 12 is discharged, effectively can discharge the residual charge in pixel cell 12, avoid the appearance of image retention, the normal display of pixel cell 12 can not be affected again.In addition, all can discharge to pixel cell 12 after terminating with the display of each frame before the display of each frame starts, so also avoid the moment that display panels is opening and closing to occur motion blur phenomenon.
It should be noted that, control of discharge end 51 in discharge circuit 5 also can only one frame display start before or a frame display terminate after to scanning electronic circuit 52 and data subcircuit 53 electric discharge drive singal is provided, as long as discharge time is enough, the residual charge in pixel cell 12 thoroughly can be discharged equally.
In the present embodiment, scan drive circuit 6 provides electric discharge drive singal when discharging to control of discharge end 51, provides scanning drive signal when showing to sweep trace 3.This makes the electric discharge of this display panels and display not interfere with each other, and has both avoided in procedure for displaying and has shown the appearance terminating rear image retention, having additionally reduced the area occupied of discharge circuit 5, is conducive to realizing the display of narrow frame.
The beneficial effect of embodiment 1: the display panels in embodiment 1, by arranging discharge circuit, electric charge residual on pixel cell is made to be released into discharge end by data line, thus make the release of residual charge more thorough, and then avoid display panels in procedure for displaying or display terminate after the appearance of image retention, ensure that the quality of display frame.
Embodiment 2:
The present embodiment provides a kind of display device, comprises the display panels in embodiment 1.
By adopting the display panels in embodiment 1, residual charge in this display device is thoroughly discharged, thus make this display device avoid occurring image retention and ghost in start, shutdown and procedure for displaying, and then ensure that the display quality of this display device.
Display device provided by the present invention can be the liquid crystal indicator of any pattern such as TN, ADS, IPS, LTPS.This display device can be any product or parts with Presentation Function such as liquid crystal panel, LCD TV, display, mobile phone, navigating instrument.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a display panels, comprise multiple dot structures of the arrangement in matrix, discharge end, multi-strip scanning line and data line, each described dot structure includes interconnective switch element and pixel cell, described switch element is for opening and closing described pixel cell, it is characterized in that, also comprise discharge circuit, described discharge circuit and described sweep trace, described data line is connected respectively with described discharge end, electric discharge scanning is carried out for making described sweep trace, described switch element is opened, described discharge end is released into by described data line to make electric charge residual on described pixel cell.
2. display panels according to claim 1, is characterized in that, described discharge circuit comprises control of discharge end, scanning electronic circuit and data subcircuit;
Described control of discharge end is connected with the input end of described scanning electronic circuit and the first input end of described data subcircuit, for providing electric discharge drive singal to described scanning electronic circuit and described data subcircuit;
The output terminal of described scanning electronic circuit is connected with described sweep trace, for providing electric discharge sweep signal to described sweep trace;
Second input end of described data subcircuit is connected with described data line, and the output terminal of described data subcircuit is connected with described discharge end, for electric charge residual on described pixel cell is released into described discharge end by described data line.
3. display panels according to claim 2, it is characterized in that, described scanning electronic circuit comprises multiple the first transistor, the grid of described the first transistor is extremely all connected with described control of discharge end with first, and the second pole and many described sweep traces of multiple described the first transistor connect one to one respectively.
4. display panels according to claim 2, it is characterized in that, described data subcircuit comprises multiple transistor seconds, the grid of described transistor seconds is connected with described control of discharge end, first pole and many described data lines of multiple described transistor seconds connect one to one respectively, and the second pole of described transistor seconds is connected with described discharge end.
5. display panels according to claim 2, it is characterized in that, also comprise scan drive circuit, described scan drive circuit is connected respectively with described sweep trace and described control of discharge end, for providing scanning drive signal when showing to described sweep trace, provide described electric discharge drive singal when discharging to described control of discharge end.
6. display panels according to claim 1, is characterized in that, described discharge end is earth terminal or common electrical pressure side.
7. a display device, is characterized in that, comprises the display panels described in claim 1-6 any one.
8. the charging method of the display panels as described in claim 1-6 any one, it is characterized in that, comprise: discharge circuit carries out electric discharge scanning to sweep trace, opened by switch element in dot structure, electric charge residual on the pixel cell in described dot structure is released into discharge end by data line and described discharge circuit.
9. the charging method of display panels according to claim 8, is characterized in that, the control of discharge end in described discharge circuit one frame display start before and/or a frame display terminate after to scanning electronic circuit and data subcircuit electric discharge drive singal is provided; After receiving described electric discharge drive singal, described scanning electronic circuit provides electric discharge sweep signal to described sweep trace, and electric charge residual on described pixel cell is released into described discharge end by described data line by described data subcircuit.
10. the charging method of display panels according to claim 9, is characterized in that, scan drive circuit provides described electric discharge drive singal when discharging to described control of discharge end, provides scanning drive signal when showing to described sweep trace.
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| CN201410589394.9A CN104297969A (en) | 2014-10-28 | 2014-10-28 | Liquid crystal display panel, discharging method thereof and display device |
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| CN201410589394.9A CN104297969A (en) | 2014-10-28 | 2014-10-28 | Liquid crystal display panel, discharging method thereof and display device |
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| CN105185293A (en) * | 2015-10-19 | 2015-12-23 | 京东方科技集团股份有限公司 | Display panel, driving method thereof, and display device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217026A (en) * | 2007-01-06 | 2008-07-09 | 三星电子株式会社 | Liquid crystal display and method for eliminating afterimage thereof |
| KR20090038574A (en) * | 2007-10-16 | 2009-04-21 | 엘지디스플레이 주식회사 | Liquid crystal panel, discharging method thereof and liquid crystal display device having the same |
| CN101882416A (en) * | 2010-06-21 | 2010-11-10 | 友达光电股份有限公司 | Display device and ghost eliminating method thereof |
| US20120033148A1 (en) * | 2010-08-06 | 2012-02-09 | Samsung Electronics Co., Ltd. | Liquid crystal display |
| CN102867491A (en) * | 2012-09-03 | 2013-01-09 | 京东方科技集团股份有限公司 | LCD (Liquid Crystal Display) panel drive circuit and method as well as display unit |
| CN103323990A (en) * | 2013-06-28 | 2013-09-25 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN203366703U (en) * | 2013-07-25 | 2013-12-25 | 合肥京东方光电科技有限公司 | Array substrate and display apparatus |
| CN203811952U (en) * | 2014-05-08 | 2014-09-03 | 京东方科技集团股份有限公司 | Array substrate and display panel |
-
2014
- 2014-10-28 CN CN201410589394.9A patent/CN104297969A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217026A (en) * | 2007-01-06 | 2008-07-09 | 三星电子株式会社 | Liquid crystal display and method for eliminating afterimage thereof |
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