CN100371979C - Method for driving LCD panel - Google Patents
Method for driving LCD panel Download PDFInfo
- Publication number
- CN100371979C CN100371979C CNB2004100073579A CN200410007357A CN100371979C CN 100371979 C CN100371979 C CN 100371979C CN B2004100073579 A CNB2004100073579 A CN B2004100073579A CN 200410007357 A CN200410007357 A CN 200410007357A CN 100371979 C CN100371979 C CN 100371979C
- Authority
- CN
- China
- Prior art keywords
- data
- pixel
- liquid crystal
- drastic
- frame
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The present invention relates to a driving method of a liquid crystal display panel. The liquid crystal display panel comprises a plurality of scanning lines, a plurality of data lines and a plurality of pixels, wherein each pixel comprises a switch assembly and a liquid crystal assembly; the switch assembly is connected with the corresponding scanning line, the corresponding data line and the liquid crystal assembly. The method comprises the following steps: continuously receiving given data; generating at least one overexciting data voltage pulse and one original data voltage pulse in every two frame periods, according to the frame data and by aiming at each pixel; orderly applying the overexciting data voltage pulse and the original data voltage pulse which are produced in one frame period to the liquid crystal assembly of the pixel via the data line connected with the pixel.
Description
Technical field
The present invention relates to a kind of driving method of LCD.
Background technology
Generally speaking, that LCD has is in light weight, power consumption is few and the advantage of low radiation or the like, therefore, LCD has been widely used in multiple on the market portable information product, for example (personal digital assistant PDA) waits commodity for mobile computer (notebook) and personal digital assistant.In addition, LCD screen and LCD TV are also popularized gradually, replace cathode-ray tube (CRT) (cathode ray tube, CRT) display and TV that tradition is used.But LCD also has its shortcoming.Because the restriction of liquid crystal molecule characteristic, when image data switches, must reverse liquid crystal molecule and change its orientation, so the situation that picture postpones can occur, in order to adapt to the quick switching of multimedia image, the requirement of lifting liquid crystal reaction velocity is also healed and is become important.
In general, when driving circuit drives LCD, driving circuit can receive a plurality of frames (frame) data continuously, produces relevant data voltage pulse, scanning linear voltage, clock signal etc. according to these frame data more afterwards, with the operation of pixel of control LCD.Each wherein above-mentioned frame data are to comprise LCD in a frame period (frame period), data when being used for refreshing (refresh) its all pixels, therefore each frame data promptly can be considered and includes a plurality of pixel datas, and each pixel data promptly be used for defining some pixels in a frame period the gray scale states that must reach, and with the present generally LCD standard of institute's employing computing machine, each pixel can (equal 2 256
8) plant between gray scale states and switch, so the data length of each pixel data equals 8.
Please refer to Fig. 1, Fig. 1 be in the known LCD pixel data value corresponding to the sequential chart of frame.When driving a pixel, driving circuit can receive a plurality of pixel datas that are used for driving this pixel in order, as shown in Figure 1, G (n), G (n+1), G (n+2) have promptly represented driving circuit received pixel data in each frame period N, N+1, N+2, and driving circuit can drive a certain pixel according to the pixel data value that pixel data G (n), G (n+1), G (n+2) are write down respectively in the gray scale states of frame period N, N+1, N+2.In general, the value that pixel data write down is big more, then represent its GTG value of pixel after driving circuit drives big more, and driving circuit can be according to pixel data G (n), G (n+1), G (n+2), in the corresponding frame period, produce a raw data potential pulse, and the raw data potential pulse that is produced is applied to the pixel electrode (pixel electrode) of this respective pixel, so that the pixel that is driven is in each frame period under the corresponding gray scale states.
Please refer to Fig. 2, Fig. 2 is the sequential chart of the penetrance of known pixels corresponding to frame.Among Fig. 2, indicated the permeability variations curve C 2 after permeability variations curve C 1 under the desirable situation and the known extremely drive method of process drive, and two curve C 1 and C2 all the driving circuit desire with a certain pixel during frame period N, its light penetration rate driven by penetrance T1 changes penetrance T2 into.About known extremely drive method, can promptly illustrate as follows simply at this with reference to data in literature such as the U.S. early stage publication application case US 2002/0050965.Because the characteristic of the liquid crystal molecule of pixel has a time delay when it charges, make its liquid crystal molecule to arrive predetermined angle to reach predetermined light penetration rate at a frame period intrinsic deflection.Under without too drastic situation, the light penetration rate can't arrive predetermined penetrance and very far away with ideal curve C1 difference in the frame period of frame N, and such delay can make LCD the phenomenon of ghost occur.In order to improve this phenomenon, some known LCD promptly adopt extremely drive method, it is to put on the pixel electrode of pixel than original higher or lower data voltage pulse, accelerating the reaction velocity of its liquid crystal molecule, and then make pixel in the predetermined frame period, to reach predetermined gray scale states.And, shown in curve C 2, can use higher too drastic data voltage pulse that pixel is shortened switching time as far as possible in order to quicken the reaction velocity of liquid crystal molecule as much as possible.Though but this way has shortened the time that pixel is switched, and has also caused the liquid crystal molecule penetrance more too high or too low than original expection.As shown in Figure 2, under situation via too drastic driving, though liquid crystal molecule can reach predetermined gray scale states T2 in the predetermined frame period, but too drastic driving but can make its final penetrance arrive higher T3, and this kind extremely drive method can cause gray scale states to cross bright or dark excessively distortion phenomenon.
Summary of the invention
Therefore fundamental purpose of the present invention is to provide a kind of driving method of display panels, and this driving method can be accelerated the reaction velocity of liquid crystal molecule, makes display panels reach predetermined penetrance in a frame period, to solve above-mentioned known problem.
According to the present invention, provide a kind of driving method of display panels.This display panels includes many scanning linears, many data lines, and a plurality of pixel.Wherein each pixel is connected in the scanning linear and a corresponding data line of a correspondence, and each pixel packets contains a switch module and a Liquid crystal module.This switch module is connected in this corresponding scanning linear, this corresponding data line and this Liquid crystal module.This method comprises: frames received certificate continuously; In a frame period (frame period),, produce at least one too drastic (over drive) data voltage pulse and a raw data potential pulse at each pixel according to these frame data; And in a frame period, with this too drastic data voltage pulse and this raw data potential pulse that is produced, successively be applied to the Liquid crystal module of this pixel by this data line that this pixel connected, wherein, described frame data are to comprise LCD is used for refreshing its all pixels in a frame period data.
According to the present invention, also provide a kind of driving method of display panels.This display panels includes many scanning linears, many data lines, and a plurality of pixel.Wherein each pixel is connected in the scanning linear and a corresponding data line of a correspondence, and each pixel packets contains a switch module and a Liquid crystal module.This switch module is connected in this corresponding scanning linear, this corresponding data line and this Liquid crystal module.This driving method comprises: receive a clock signal, a synchronous signal and frame data; According to this clock signal, produce a frequency doubling clock signal, and, produce a frequency multiplication synchronizing signal according to this frequency doubling clock signal and this synchronizing signal; According to these frame data, produce at least one too drastic data voltage pulse and a raw data potential pulse; And in a frame period, according to this frequency doubling clock signal, with this too drastic data voltage pulse and this raw data potential pulse that is produced, successively put on the Liquid crystal module of the pixel of a correspondence, wherein, described frame data are to comprise LCD is used for refreshing its all pixels in a frame period data.
The accompanying drawing summary
Fig. 1 be in the known LCD pixel data value corresponding to the sequential chart of frame.
Fig. 2 is the sequential chart of the penetrance of known pixels corresponding to frame.
Fig. 3 is the circuit diagram of liquid crystal panel.
Fig. 4 is the sequential chart of driving method processed frame data of the present invention.
Fig. 5 handles the sequential chart of preceding pixel data value corresponding to frame without driving method of the present invention.
Fig. 6 is the sequential chart of the pixel data value after handling through driving method of the present invention corresponding to frame.
Fig. 7 and Fig. 8 when using driving method of the present invention the liquid crystal molecule penetrance corresponding to the sequential chart of frame.
Fig. 9 is the calcspar of the preferred circuit of realization driving method of the present invention.
The reference numeral explanation
10 liquid crystal panels, 12 scanning linears
14 data lines, 16 pixels
18 switch modules, 20 Liquid crystal modules
30 driving circuits, 32 input interfaces
34 frequency doubling clock signal generators, 36 frequency multiplication sync generators
38 Memory Controller Hub, 40 frame data scratch-pad memories
42 too drastic data producer 44 output interfaces
Embodiment
Please refer to Fig. 3, Fig. 3 is the circuit diagram of a liquid crystal panel 10.Liquid crystal panel 10 includes many scanning linears 12, many data lines 14 and a plurality of pixel 16.Each pixel 16 is connected in the scanning linear 12 and a corresponding data line 14 of a correspondence, and each pixel 16 includes a switch module 18 and a Liquid crystal module 20, and general Liquid crystal module 20 can be known as a pixel electrode (pixelelectrode).In addition, switch module 18 is connected in this corresponding scanning linear 12 and this corresponding data line 14, and driving circuit can be controlled the operation of each pixel 16 by scanning linear 12 and data line 14.The general method that drives LCD 10 be apply one scan voltage in this scanning linear 12 opening switch module 18, and then a data voltage pulse is write pixel electrode 20 via switch module 18 by this data line 14.Therefore, when scanning that voltage is applied on the scanning linear 12 and when switch module 18 was opened, the data voltage pulse meeting on the data line 14 was charged via 18 pairs of pixel electrodes 20 of switch module, and makes its liquid crystal deflecting element; And online scanning that voltage is removed and when making that switch module 18 is closed, data line 14 can be cut off with the electrical ties of pixel 16 when scanning, 20 of pixel electrodes keep its state that is recharged.Scanning linear 12 meeting gauge tap assemblies 18 are switch repeatedly, makes pixel electrode 20 repeatedly to be charged by data line 14.Different data line voltages can make the liquid crystal molecule of pixel 16 produce the deflection of different angles on the scanning linear 12, and makes pixel 16 present different transmittances, and thus, LCD 10 can present different display frame.
Please refer to Fig. 4, Fig. 4 is for using the sequential synoptic diagram of driving method processed frame data of the present invention.Explain in this processing situation with double frequency, but driving method of the present invention is not limited to use double frequency, the frequency of higher multiple is also applicable.When the pixel desire on the display panels when pixel data value G (n) switches to G (n+1), driving method of the present invention is to receive incoming frame data G (n), G (n+1), G (n+2) afterwards, postpone incoming frame data G (n), G (n+1), G (n+2) earlier to produce corresponding deferred frame data, compare at that time pixel data value G (n+1) and corresponding delay pixel data value G (n) afterwards again, and produce a too drastic data value G (n, n+1).Too drastic data value G (n is to decide according to the relative size of pixel data G (n) and G (n+1) n+1), its value can be greater than, be less than or equal to G (n+1).In general, as G (n+1) during greater than G (n), (n n+1) can be greater than G (n+1), and as G (n+1) during less than G (n), (n n+1) can be less than G (n+1), and as G (n+1) and G (n) when equating, (n n+1) can equal G (n+1) to G for G for G.In addition, corresponding to the too drastic data G of other clock period (n-1, n), G (n+1, n+2) ... also wait and can be produced via above-mentioned method.
Of the present invention focusing on, producing too drastic data G (n-1, n), G (n, n+1) G (n+1, n+2) ... afterwards, via relevant scanning linear driving circuit and data line drive circuit, earlier will be corresponding to too drastic data (as: G (n-1, n), G (n, n+1) G (n+1, n+2) ...) too drastic data voltage pulse export pixel on the display panels to, again will be corresponding to raw pixel data (as: G (n), G (n+1), G (n+2) ...) the raw data potential pulse also export pixel on the display panels to, and the action of wherein exporting too drastic data voltage pulse and raw data potential pulse must be finished in a frame period.Because exported too drastic data voltage pulse and two data potential pulses of raw data potential pulse in a frame period, frame data output frequency of the present invention is two times of the known drive method.Refer again to Fig. 5 and Fig. 6, Fig. 5 be pixel data value before being untreated corresponding to the sequential chart of frame, Fig. 6 then is the sequential chart of the pixel data value after handling through driving method of the present invention corresponding to frame.As Fig. 5 and shown in Figure 6, when the input pixel data value that receives switches to G (n+1), G (n+2), G (n+3) by G (n), after driving method processing of the present invention, will produce G (n in regular turn, n+1), G (n+1), G (n+1, n+2), G (n+2), G (n+2, n+3), a plurality of output pixel data values of G (n+3), G (n wherein, n+1), G (n+1, n+2), (n+2 is through the too drastic data value after the too drastic processing n+3) to G, can quicken the switch speed of liquid crystal molecule.When producing too drastic data value, except real-time comparison deferred frame data and current frame data, it is quicker when driving method of the present invention is handled, can also measure each frame data in advance and switch required preferable too drastic data value, and set up a parameter list, when switching, each afterwards frame data then drive corresponding pixel electrode by the corresponding too drastic data value of acquisition in this parameter list.
Please refer to Fig. 7 and Fig. 8, Fig. 7 and Fig. 8 when using driving method of the present invention the liquid crystal molecule penetrance corresponding to the sequential chart of frame.Liquid crystal molecule is in a frame period among Fig. 7, switches to big penetrance T2 by penetrance T1, maintains penetrance T2 then.By finding out among Fig. 7, driving method of the present invention is in a frame period, earlier with a bigger too drastic data value G (n, n+1), liquid crystal molecule is switched to penetrance greater than T2, and then liquid crystal molecule is switched to penetrance T2 with raw value G (n+1).The situation that illustrates among Fig. 8 then is that liquid crystal molecule switches to big penetrance T2 by penetrance T1 in a frame period, switches to the penetrance T3 low than penetrance T2 in the cycle again at next frame then.Under this kind situation, driving method of the present invention is in first frame period N+1, earlier with a bigger too drastic data value G (n, n+1), liquid crystal molecule is switched to penetrance greater than T2, and then liquid crystal molecule is switched to penetrance T2 with raw value G (n+1); In second frame period N+2, (n+1 n+2), switches to the penetrance that is lower than T3 with liquid crystal molecule by penetrance T2, and then with raw value G (n+2) liquid crystal molecule is switched to penetrance T3 with a lower too drastic data value G.By applying too drastic data value and raw value way in regular turn to liquid crystal panel, not only can quicken the switch speed of liquid crystal molecule, and can accurately control the LCD penetration that finally reaches, allow the user when watching the display panels of quick image switching, can not feel that picture delay, distortion or brightness reduce.
Please refer to Fig. 9, Fig. 9 is the calcspar of a preferred drive circuit 30 of realization driving method of the present invention.Wherein, input interface (Input Interface) 32 can receive the incoming frame data successively, 34 of frequency doubling clock generators (Clock Generator) are to receive input clock signal, and frequency multiplication sync generator (Sync Generator) 36 then is to receive vertical synchronizing signal and horizontal-drive signal.Frequency doubling clock generator 34 is with the input clock signal frequency multiplication, and the frequency doubling clock signal after will handling is exported to input interface 32, frequency multiplication sync generator 36, too drastic data producer (Over-drive Engine) 42 and output interface (Output Interface) 44.Frequency multiplication sync generator 36 is after having received the frequency doubling clock signal, can be with vertical synchronizing signal and horizontal-drive signal frequency multiplication, and export vertical frequency multiplication synchronizing signal and horizontal frequency multiplication synchronizing signal, so that holding signal is synchronous when driving each scanning linear of liquid crystal panel and data line display frame.Input interface 32 receives after the incoming frame data, the incoming frame data can be sent to Memory Controller Hub (Memory Controller) 38 and handle.Memory Controller Hub 38 is on the one hand with the access in frame data scratch-pad memory (Frame Buffer) 40 of incoming frame data, to postpone the incoming frame data and to produce one group of deferred frame data PRE, Memory Controller Hub 38 is also exported one group of frame data NOW at that time on the other hand, and frame data NOW that will be at that time is sent to too drastic data producer 42 with corresponding deferred frame data PRE.Too drastic data producer 42 can be according to frame data NOW and corresponding deferred frame data PRE at that time, from the parameter list of setting up in advance, capture corresponding too drastic data value, and export too drastic data value and raw value to output interface 44 in regular turn according to the frequency doubling clock signal.Output interface 44 is under the situation of frequency multiplication, can export on the one hand too drastic data value and raw value each scanning linear driving circuit and data line drive circuit to the liquid crystal panel in regular turn, to produce too drastic data voltage pulse and the Liquid crystal module of raw data potential pulse, also can export frequency doubling clock signal each scanning linear driving circuit and data line drive circuit on the other hand to liquid crystal panel to corresponding pixel.
Driving method compared to known liquid crystal panel, the present invention discloses a kind of new driving method, and in each frame period, on each pixel of liquid crystal panel, apply a too drastic data voltage pulse and a raw data potential pulse, to change the liquid crystal molecule transmittance of pixel electrode apace.Therefore, the LCD of implementing according to this according to the present invention, because of being imparted to a few too drastic data voltage pulse and a raw data potential pulse in the frame period, and can quicken reversing of its liquid crystal molecule, so it can finish the conversion of GTG in a frame period, and do not have the situation generation that picture delay, ghost, distortion or brightness reduce.In addition, driving method of the present invention uses the frequency multiplication mode to export too drastic data voltage pulse and raw data potential pulse, and its too drastic data value producing method and known class seemingly can be continued to use known too drastic data producer and do not increase extra cost.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (12)
1. method that is used for driving a display panels, this display panels includes:
Many scanning linears;
Many data lines; And
A plurality of pixels, each pixel are connected in the scanning linear and a corresponding data line of a correspondence, and each pixel packets contains a switch module and a Liquid crystal module, and this switch module is connected in this corresponding scanning linear, this corresponding data line and this Liquid crystal module;
This method comprises:
Frames received certificate continuously;
Every a frame period,, produce a raw data potential pulse and at least one too drastic data voltage pulse at each pixel according to described frame data; And
In a frame period, with this too drastic data voltage pulse and this raw data potential pulse that is produced, successively put on the Liquid crystal module of this pixel by this data line that this pixel connected,
Wherein, described frame data are to comprise LCD is used for refreshing its all pixels in a frame period data.
2. the method for claim 1, at least one too drastic data voltage pulse of wherein said generation also comprises:
Postpone these frame data, to produce a plurality of corresponding deferred frame data; And
By comparing current frame data deferred frame data corresponding, decide the magnitude of voltage of this too drastic data voltage pulse with one.
3. method as claimed in claim 2 wherein, when comparing these current frame data deferred frame data corresponding with this, decides the magnitude of voltage of this too drastic data voltage pulse in addition according to a parameter list of setting up in advance.
4. the method for claim 1, wherein each frame data includes a plurality of pixel datas, and each pixel data is all corresponding to a pixel.
5. the method for claim 1, it comprises in addition:
This too drastic data voltage pulse and this raw data potential pulse apply a scanning linear voltage in this switch module by this corresponding scanning linear, so that can be imposed on this Liquid crystal module.
6. method that is used for driving a display panels, this display panels includes:
Many scanning linears;
Many data lines; And
A plurality of pixels, each pixel are connected in the scanning linear and a corresponding data line of a correspondence, and each pixel packets contains a switch module and a Liquid crystal module, and this switch module is connected in this corresponding scanning linear, this corresponding data line and this Liquid crystal module;
And this method comprises:
Receive a clock signal, a synchronous signal and frame data;
According to this clock signal, produce a frequency doubling clock signal, and, produce a frequency multiplication synchronizing signal according to this frequency doubling clock signal and this synchronizing signal;
According to described frame data, produce a raw data potential pulse and at least one too drastic data voltage pulse; And
In a frame period, according to this frequency doubling clock signal,, successively put on the Liquid crystal module of the pixel of a correspondence with this too drastic data voltage pulse and this raw data potential pulse that is produced,
Wherein, described frame data are to comprise LCD is used for refreshing its all pixels in a frame period data.
7. method as claimed in claim 6, at least one too drastic data voltage pulse of wherein said generation also comprises:
Postpone these frame data, to produce a plurality of corresponding deferred frame data; And
By the comparison one frame data deferred frame data corresponding at that time, decide the magnitude of voltage of this too drastic data voltage pulse with one.
8. method as claimed in claim 7 wherein, when comparing these frame data at that time deferred frame data corresponding with this, decides the magnitude of voltage of this too drastic data voltage pulse in addition according to a parameter list of setting up in advance.
9. method as claimed in claim 6, wherein, this synchronizing signal comprises a horizontal-drive signal and a vertical synchronizing signal.
10. method as claimed in claim 6, wherein, this frequency multiplication synchronizing signal comprises a horizontal frequency multiplication synchronizing signal and a vertical frequency multiplication synchronizing signal.
11. method as claimed in claim 6, wherein, each frame data includes a plurality of pixel datas, and each pixel data is all corresponding to a pixel.
12. method as claimed in claim 6, it comprises in addition:
This too drastic data voltage pulse and this raw data potential pulse apply a scanning linear voltage in this switch module by this corresponding scanning linear, so that can be imposed on this Liquid crystal module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100073579A CN100371979C (en) | 2004-03-01 | 2004-03-01 | Method for driving LCD panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100073579A CN100371979C (en) | 2004-03-01 | 2004-03-01 | Method for driving LCD panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1664902A CN1664902A (en) | 2005-09-07 |
| CN100371979C true CN100371979C (en) | 2008-02-27 |
Family
ID=35035958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100073579A Expired - Fee Related CN100371979C (en) | 2004-03-01 | 2004-03-01 | Method for driving LCD panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100371979C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174384B (en) * | 2006-11-01 | 2011-08-31 | 奇美电子股份有限公司 | Image driving method and its system and LCD using the same |
| CN106710542B (en) * | 2015-11-18 | 2019-11-22 | 深圳超多维科技有限公司 | Driving circuit, liquid crystal lens, 3 d display device and liquid crystal microlens |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1096893A (en) * | 1996-09-25 | 1998-04-14 | Toshiba Corp | Liquid crystal display element |
| CN1231048A (en) * | 1997-05-07 | 1999-10-06 | 肯特州大学 | Dynamic drive methods and apparatus for bistable liquid crystal display |
| CN1237754A (en) * | 1998-05-12 | 1999-12-08 | 肯特州大学 | Drive schemes for gray scale bistable cholesteric reflective displays |
| US20020050965A1 (en) * | 2000-10-27 | 2002-05-02 | Mitsubishi Denki Kabushiki Kaisha | Driving circuit and driving method for LCD |
| TW514863B (en) * | 2001-12-14 | 2002-12-21 | Chi Mei Electronics Corp | Overdrive system and method of liquid crystal display |
-
2004
- 2004-03-01 CN CNB2004100073579A patent/CN100371979C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1096893A (en) * | 1996-09-25 | 1998-04-14 | Toshiba Corp | Liquid crystal display element |
| CN1231048A (en) * | 1997-05-07 | 1999-10-06 | 肯特州大学 | Dynamic drive methods and apparatus for bistable liquid crystal display |
| CN1237754A (en) * | 1998-05-12 | 1999-12-08 | 肯特州大学 | Drive schemes for gray scale bistable cholesteric reflective displays |
| US20020050965A1 (en) * | 2000-10-27 | 2002-05-02 | Mitsubishi Denki Kabushiki Kaisha | Driving circuit and driving method for LCD |
| TW514863B (en) * | 2001-12-14 | 2002-12-21 | Chi Mei Electronics Corp | Overdrive system and method of liquid crystal display |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1664902A (en) | 2005-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105513550B (en) | GOA driving circuit | |
| CN100543530C (en) | Liquid crystal indicator and display packing thereof | |
| CN100385494C (en) | Circuit for generating driving voltages and liquid crystal display using the same | |
| CN105931612B (en) | source electrode drive circuit, method and display device | |
| CN106023928B (en) | Source drive module and liquid crystal display device | |
| CN102568413A (en) | Liquid crystal display device and driving method thereof | |
| CN101246676A (en) | Liquid crystal display | |
| CN102222474A (en) | Liquid crystal display device and method for improving power off afterimage phenomenon thereof | |
| CN108877720B (en) | Gate drive circuit, display device and drive method | |
| CN101071545A (en) | Liquid crystal display device and its driving method | |
| CN100359555C (en) | Driving apparatus for liquid crystal display | |
| CN101533597B (en) | Driving method of scanning line of plane monitor | |
| CN101577095A (en) | Liquid crystal display and driving method thereof | |
| CN102254522A (en) | Driving method and module | |
| CN102142236A (en) | Liquid crystal display driver for high-resolution interlacing scanned video signals | |
| CN106782381A (en) | The drive device and driving method of a kind of display panel | |
| CN108806581A (en) | Scan drive circuit and display panel | |
| US20070268238A1 (en) | Image-displaying control circuit of a scan-backlight LCD | |
| CN100552755C (en) | Active matrix display device and relevant data adjusting module and driving method thereof | |
| JP4313281B2 (en) | Multiple screen scanning method and apparatus | |
| CN1430202A (en) | Device for driving image display equipment and method for designing the device | |
| CN100371979C (en) | Method for driving LCD panel | |
| CN101211040A (en) | Display components pixel structure and its drive method | |
| US20050253793A1 (en) | Driving method for a liquid crystal display | |
| CN1340961A (en) | Circuit for generating synchronous signals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20150301 |
|
| EXPY | Termination of patent right or utility model |