CN101727802B - Displayer and driving device and method thereof - Google Patents
Displayer and driving device and method thereof Download PDFInfo
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- CN101727802B CN101727802B CN2008101739231A CN200810173923A CN101727802B CN 101727802 B CN101727802 B CN 101727802B CN 2008101739231 A CN2008101739231 A CN 2008101739231A CN 200810173923 A CN200810173923 A CN 200810173923A CN 101727802 B CN101727802 B CN 101727802B
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Abstract
The invention discloses a displayer and a driving device and a driving method thereof. The driving method for the displayer comprises the following steps: firstly, executing black frame insertion in a process of writing data of scanning lines in at least one subframe period of a frame period of the displayer; and secondly, completing writing data of partial scanning lines in the subframe period, waiting for a period of reaction time, and turning on a sub light source of a backlight module.
Description
Technical field
The present invention relates to a kind of plane display technique, and be particularly related to a kind of color sequence type LCD and drive unit and method with no colour cast and high display brightness.
Background technology
Generally speaking, the LCD of colored filter type (CF-type LCD) regular meeting is limited by the characteristic of itself structure and makes that its colour gamut is on the low side.In addition, the LCD of colored filter type also can receive the influence of liquid crystal capacitance (LC capacitance) time change effect (time dependenteffect) in essence, and causes its image frame that appears to produce dynamic ghost (motion blur).
Thus, in order to solve numerous defectives that LCD derived of traditional color filter type effectively, color sequence type LCD (color sequential type LCD) however just drill and give birth to.Yet; Though color sequence type LCD can solve the problem of dynamic ghost effectively and promote colour gamut significantly; But color sequence type LCD still can receive liquid crystal capacitance in essence the time change effect influence, and make different gradation conversion inconsistent to the brightness meeting of same grayscale.Therefore, the image frame that appeared of color sequence type LCD will produce colour cast (color shift).
In addition; The type of drive of tradition color sequence type LCD can write and wait for one period reaction time in the data that each sub picture period (also promptly red, green or blue sub picture period) finish all sweep traces after (also promptly to reaction time of liquid crystal molecule transition); Just can open the sub-light source (also promptly red, green or blue sub-light source) of light-emitting diode (LED) backlight module (LED backlight module); And such type of drive will cause light-emitting diode (LED) backlight module (light on) deficiency of time of lighting a lamp in each sub picture period, thereby also can cause the whole brightness that shows of color sequence type LCD dark partially.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of drive unit and method of display, it not only can solve the problem that color sequence type LCD produces colour cast effectively, and more can promote the whole brightness that shows of color sequence type LCD.
Another object of the present invention is to provide a kind of color sequence type LCD with no colour cast and high display brightness.
Purpose based on above-mentioned and required realization; The present invention provides a kind of driving method of display; It comprises the following steps: at first, and at least one sub picture period in during a picture of display is carrying out carrying out black plug picture technology in the process that the data of sweep trace write.Then, after the data that said sub picture period is finished part of scanning line write and wait for one period reaction time, open the sub-light source of backlight module.
According to one embodiment of the invention, in said sub picture period is being carried out process that the data of sweep trace write, also comprise and carry out overdrive technique to cooperate this black plug picture technology.
According to one embodiment of the invention, said black plug picture technology is for writing black data to said part of scanning line, perhaps for writing black data to said part of scanning line successively simultaneously.
According to one embodiment of the invention, the driving method of display proposed by the invention is suitable for driving color sequence type LCD.
According to one embodiment of the invention, during said sub picture period comprises the red pieces picture, green sub picture period or blue sub picture period, perhaps be this triangular combination.
According to one embodiment of the invention, said backlight module is a light-emitting diode (LED) backlight module, and said sub-light source comprises red pieces light source, green sub-light source or blue sub-light source.
On the other hand, the present invention provides a kind of drive unit of display, and it comprises time schedule controller, gate drivers, source electrode driver, and the backlight module driver element.Wherein, gate drivers is coupled to display panel and is controlled by time schedule controller, in order to open the sweep trace in the display panel successively.Source electrode driver is coupled to display panel and is controlled by time schedule controller, in order to cooperate gate drivers the data of correspondence is write to the sweep trace of being opened by gate drivers.The backlight module driver element is coupled to backlight module and is controlled by time schedule controller, in order to drive backlight module.
Time schedule controller cooperates gate drivers, source electrode driver and backlight module driver element; Carrying out carrying out black plug picture technology in the process that the data of sweep trace write with at least one sub picture period in during a picture of display; And after the data that said sub picture period is finished part of scanning line write and wait for one period reaction time, open the sub-light source of backlight module.
According to one embodiment of the invention; Time schedule controller also cooperates gate drivers, source electrode driver and backlight module driver element, carries out overdrive technique in the process that writes with the data of carrying out sweep trace in said sub picture period to cooperate this black plug picture technology.
According to one embodiment of the invention, said black plug picture technology is for writing black data to said part of scanning line, perhaps for writing black data to said part of scanning line successively simultaneously.
According to one embodiment of the invention, the drive unit of display proposed by the invention is suitable for driving color sequence type LCD.
According to one embodiment of the invention, during said sub picture period comprises the red pieces picture, green sub picture period or blue sub picture period, perhaps be this triangular combination.
According to one embodiment of the invention, said backlight module is a light-emitting diode (LED) backlight module, and said sub-light source comprises red pieces light source, green sub-light source or blue sub-light source.
According to one embodiment of the invention, said display panel is a display panels.
On the one hand, the present invention provides a kind of display again, and it comprises display panel, backlight module, and the drive unit of the display that the invention described above provided.
The drive unit of display proposed by the invention and method are suitable for driving color sequence type LCD; Carry out black plug picture technology and/or overdrive technique in the process that the data that its at least one sub picture period in mainly during a picture of color sequence type LCD is being carried out sweep trace write; Then again after the data that said sub picture period is finished part of scanning line write and wait for one period reaction time, just open the sub-light source of backlight module.Thus, not only can solve the problem that color sequence type LCD produces colour cast effectively, and can also promote the whole brightness that shows of color sequence type LCD.
Above-mentioned more obviously understandable with other purpose, feature and advantage for the present invention, hereinafter is special lifts the several embodiment of the present invention, and combines accompanying drawing, elaborates as follows.
Description of drawings
Shown in Figure 1 is the system block diagram of the display 100 of one embodiment of the invention;
Shown in Figure 2 is the synoptic diagram of the black plug picture technology of one embodiment of the invention;
Shown in Figure 3 is the synoptic diagram of the black plug picture technology of another embodiment of the present invention;
Shown in Figure 4 is the synoptic diagram that traditional color sequence type LCD is influenced by liquid crystal capacitance time change effect in essence;
Shown in Figure 5 is the synoptic diagram that color sequence type LCD 100 of the present invention is influenced by liquid crystal capacitance time change effect in essence;
Shown in Figure 6 is the driving method process flow diagram of the display of one embodiment of the invention.
[primary clustering symbol description]
100: color sequence type LCD
101: display panels
103: light-emitting diode (LED) backlight module
105: drive unit
107: time schedule controller
109: gate drivers
111: source electrode driver
113: the backlight module driver element
Tf: during the picture of color sequence type LCD
Tr, Tg, Tb: the red, green, blue sub picture period of color sequence type LCD
G1～G320: the sweep trace of display panels
R, G, B: red (R) of light-emitting diode (LED) backlight module, green (G) light a lamp the time with blue (B) sub-light source
BFI: write black data
A, B: circle favored area
S601～S603: each step of driving method process flow diagram of display of the present invention
Embodiment
The purpose of realization required for the present invention is to produce the problem of colour cast and promote the whole brightness that shows of color sequence type LCD in order to solve color sequence type LCD.Following content will be done the technician's reference that encyclopaedizes for field of the present invention to the technical characterictic and the effect of this case.
Shown in Figure 1 is the system block diagram of the display 100 of one embodiment of the invention.With reference to Fig. 1; The display 100 of present embodiment is that example is done explanation with color sequence type LCD; And it comprises display panels (LCD panel) 101, light-emitting diode (LED) backlight module 103; And by time schedule controller (timing controller, T-con) 107, the drive unit of the present invention 105 that constituted of gate drivers (gate driver) 109, source electrode driver (source driver) 111 and backlight module driver element 113.
In the present embodiment, have a plurality of pixels (pixel, not shown) that form with the matrix-style arrangement in the display panels 101, watch to the user in order to the display image picture.Light-emitting diode (LED) backlight module 103 provides red (R), green (G), blue (B) three sub-light source feedings LCD panel 101 to use in order to sequence.Yet, since the structure of display panels 101 and light-emitting diode (LED) backlight module 103 and effect thereof the person is known by field of the present invention has the general knowledge, so, repeat no more at this in order not obscure the spirit of institute of the present invention desire elaboration.
Generally speaking; Color sequence type LCD 100 is (also being the red, green, blue sub picture period) during (frame period) has three sub-picture during the picture; And if to show that 60 pictures of dynamic image per second are example, the picture update rate (framerate) of color sequence type LCD 100 will be up to 180Hz (also being that each sub picture period is 5.56ms).Also because so, the liquid crystal molecule of the pixel in the display panels 101 all can adopt quick liquid crystal molecule (for example OCB liquid crystal molecule, but be not limited to this) usually, cooperates the type of drive of color sequence type LCD 100 with this.
Can know that by foregoing drive unit 105 mainly is to be made up of with backlight module driver element 113 time schedule controller 107, gate drivers 109, source electrode driver 111.Wherein, gate drivers 109 is coupled to display panels 101 and is controlled by time schedule controller 107, and it mainly is in order to open the sweep trace (scan lines, not shown) in the display panels 101 successively.Source electrode driver 111 is coupled to display panels 101 and is controlled by time schedule controller 107, and it mainly is in order to cooperate gate drivers 109 data (for example pixel data) of correspondence to be write the sweep trace of being opened by gate drivers 109.
Backlight module driver element 113 is coupled to light-emitting diode (LED) backlight module 103 and is controlled by time schedule controller 107, in order to driven for emitting lights diode backlight module 103.Time schedule controller 107 cooperates gate drivers 109, source electrode driver 111 and backlight module driver element 113; (present embodiment will be that example is done explanation with green sub picture period earlier with at least one sub picture period in during a picture of color sequence type LCD 100; But be not limited to this according to spirit of the present invention) execution black plug picture technology in the process that the data of carrying out sweep trace write; And after the data that green sub picture period is finished part of scanning line write and wait for one period reaction time, just open green (G) sub-light source of light-emitting diode (LED) backlight module 103.
For instance, shown in Figure 2 is the synoptic diagram of the black plug picture technology of one embodiment of the invention.With reference to Fig. 1 and Fig. 2; Can find out easily from Fig. 2; Present embodiment is to be that the display panels 101 of 320*240 is done for example with image graphics array (VGA) resolution; But be not limited to this, and the mark Tf among Fig. 2 representes (also being 16.67ms) during the picture of color sequence type LCD 100; Mark Tr, Tg, Tb represent the red, green, blue sub picture period (being 5.56ms) of color sequence type LCD 100 respectively; Mark G1～G320 representes the sweep trace of display panels 101; Mark R, G, B represent that respectively red (R) of light-emitting diode (LED) backlight module 103, green (G) light a lamp the time with blue (B) sub-light source; And mark BFI representes to write black data.
In the present embodiment; Time schedule controller 107 cooperates gate drivers 109, source electrode driver 111 and backlight module driver element 113; And only during the picture of color sequence type LCD 100 the green sub picture period Tg among the Tf carrying out carrying out black plug picture technology in the process that the data of sweep trace G1～G320 write; And after the data that green sub picture period Tg finishes part of scanning line (for example 160 sweep traces) write and wait for one period reaction time, just open green (G) sub-light source of light-emitting diode (LED) backlight module 103.
Clearer; Time schedule controller 107 cooperates gate drivers 109, source electrode driver 111 and backlight module driver element 113; Before the data of carrying out sweep trace G1～G160 with the green sub picture period Tg among the Tf during the picture of color sequence type LCD 100 write; Write black data (black data) simultaneously to sweep trace G1～G160, receive liquid crystal capacitance time change effect effect in essence with compensating color sequence type LCD 100.And then, after the data that green sub picture period Tg finishes sweep trace G1～G160 write and wait for one period reaction time, time schedule controller 107 control light-emitting diode (LED) backlight modules 103 were to open green (G) sub-light source of light-emitting diode (LED) backlight module 103.
Afterwards; Time schedule controller 107 will cooperate gate drivers 109, source electrode driver 111 and backlight module driver element 113 again; Before the data of carrying out sweep trace G161～G320 with the green sub picture period Tg among the Tf during the picture of color sequence type LCD 100 write; Write black data simultaneously to sweep trace G161～G320, receive liquid crystal capacitance time change effect effect in essence with compensating color sequence type LCD 100.At last, after the data that green sub picture period Tg finishes sweep trace G161～G320 write and wait for one period reaction time, time schedule controller 107 was controlled light-emitting diode (LED) backlight module 103 once more to open green (G) sub-light source of light-emitting diode (LED) backlight module 103.
Thus; Since the drive unit 105 of present embodiment respectively sweep trace G1～G160 and G161～G320 carrying out data write before the first black data that writes simultaneously; Come compensating color sequence type LCD 100 to receive liquid crystal capacitance time change effect effect in essence thus, thus the color sequence type LCD 100 of present embodiment more can not receive liquid crystal capacitance in essence the time change effect influence and produce the phenomenon of colour cast.
What deserves to be mentioned is at this; In another embodiment of the present invention; Drive unit 105 also can be respectively carrying out data at sweep trace G1～G160 and G161～G320 and is writing black data successively before writing; And the mode (also promptly writing black data simultaneously) that so is different from the black plug picture technology of an embodiment also can compensating color sequence type LCD 100 receives liquid crystal capacitance time change effect effect in essence, and likewise also can cause color sequence type LCD 100 be not subject to liquid crystal capacitance in essence the time change effect influence and produce the phenomenon of colour cast.
Yet the drive unit 105 of present embodiment is in order to be carried out the influence of black plug picture technology, distributes to sweep trace G1～G320 among the too many green sub picture period Tg and carries out the time (addressing time) that data write and cause occupying.So; The time schedule controller 107 of present embodiment also can cooperate gate drivers 109, source electrode driver 111 and backlight module driver element 113; And the green sub picture period Tg among the Tf is carrying out carrying out overdrive technique in the process that the data of sweep trace G1～G320 write (over driving technology is ODtechnology) to cooperate black plug picture technology during the picture of color sequence type LCD 100.
Thus; The user can regulate amplitude (amplitude) size of the black data that writes to sweep trace G1～G320 according to the actual design demand, reduces drive unit 105 with this and carries out and distribute to sweep trace G1～G320 among the occupied green sub picture period Tg of black plug pictures technology and carry out the time that data write.In addition; Because red (R) of light-emitting diode (LED) backlight module 103, green (G) will light respectively twice at red, green, blue sub picture period Tr, Tg, Tb with blue (B) sub-light source; So its time of lighting a lamp R, G, B separately will elongate, make the 100 whole brightness that shown of color sequence type LCD also will promote many thus.
In addition; The mechanism that the drive unit 105 of present embodiment at least one sub picture period among the Tf (also promptly red, green or blue sub picture period Tr, Tg or Tb) during a picture of color sequence type LCD 100 is carrying out carrying out in the process that the data of sweep trace G1～G320 write black plug picture technology can also relatedly make critical voltage (the critical voltage of quick liquid crystal molecule (also being the OCB liquid crystal molecule) of the pixel in the display panels 101; Vcr) diminish; Make the OCB liquid crystal molecule that is in case of bending (Bend state) be difficult for rotating back into exhibition curved attitude (Splay state) thus, and continue to maintain displayable state.
Yet,, be not limited to the embodiment of the foregoing description according to spirit of the present invention.Shown in Figure 3 is the synoptic diagram of the black plug picture technology of another embodiment of the present invention.With reference to Fig. 1～Fig. 3; Can find out easily from Fig. 3; The drive unit 205 of present embodiment is carrying out carrying out the black plug picture technology in the process that the data of sweep trace G1～G320 write except meeting green sub picture period Tg among the Tf during the picture of color sequence type LCD 100, its also during the picture of color sequence type LCD 100 during the red pieces picture among the Tf Tr carrying out also carrying out black plug picture technology in the process that the data of sweep trace G1～G320 write.Thus, numerous advantages of addressing of the foregoing description just can be more remarkable.
What deserves to be mentioned is again at this; Drive unit 205 of the present invention is not limited to during the picture of the color sequence type LCD 100 green sub picture period Tg among the Tf to carry out carrying out black plug picture technology in the process that the data of sweep trace G1～G320 write, and perhaps being limited to during the picture of color sequence type LCD 100 red and green sub picture period Tr, the Tg among the Tf, in the process that the data of carrying out sweep trace G1～G320 write, to carry out the black plug picture technological.
In other words; In other embodiments of the invention; Drive unit 205 of the present invention can be carried out black plug picture technology according to this triangular arbitrary being combined in the process that the data of carrying out sweep trace G1～G320 write of the red, green, blue sub picture period Tr among the Tf during the picture, Tg, Tb, and the embodiment of these variations all belongs to the scope of institute of the present invention desire protection.
So far, understand the technique effect that drive unit 205 of the present invention is brought in order to let field of the present invention have common knowledge the knowledgeable.The measurement result that below will enumerate several experiments has common knowledge the knowledgeable reference for field of the present invention.
The synoptic diagram that influenced by liquid crystal capacitance time change effect in essence for traditional color sequence type LCD shown in Figure 4, transverse axis express time (ms) wherein, and the longitudinal axis is represented brightness (nits).The synoptic diagram that influenced by liquid crystal capacitance time change effect in essence for color sequence type LCD 100 of the present invention shown in Figure 5, transverse axis express time (ms) wherein, and the longitudinal axis is represented brightness (nits).With reference to Fig. 4 and Fig. 5; Should find out easily from the circle favored area A of Fig. 4; It is inconsistent that different gray scale (also being L0 and L63) is transformed into the brightness meeting of same grayscale (also being L127), so that the image frame that the color sequence type of traditional colour LCD is appeared can produce colour cast.
Yet; Also can find out easily from the circle favored area B of Fig. 5; Different gray scale (also being L0, L31, L63, L95, L127, L159, L191, L223) is transformed into the brightness of same grayscale (also being L255) with unanimity; So color sequence type LCD 100 of the present invention can not receive liquid crystal capacitance in essence the time change effect influence, and cause its image frame that appears to produce colour cast.
Believe after the explanation of the foregoing description, with field of the present invention have common knowledge the knowledgeable should known institute of the present invention desire technical characterictic, effect and the spirit set forth.The driving method that therefore, below will provide at least a display according to content that the foregoing description disclosed supplies those skilled in the art's reference.
Shown in Figure 6 is the driving method process flow diagram of the display of one embodiment of the invention.With reference to Fig. 6, the driving method of the display of present embodiment comprises the following steps: that at first, S601 is said like step, and at least one sub picture period in during a picture of display is carrying out carrying out black plug picture technology in the process that the data of sweep trace write.What deserves to be mentioned is that at this driving method of the display of present embodiment is suitable for driving color sequence type LCD, and said sub picture period comprise the red pieces picture during, green sub picture period or blue sub picture period, perhaps be this triangular combination.
Then, S603 is said like step, after the data that said sub picture period is finished part of scanning line write and wait for one period reaction time, opens the sub-light source of backlight module.In the present embodiment; In said sub picture period is being carried out process that the data of sweep trace write, also comprise and carry out overdrive technique cooperating this black plug picture technology, and said black plug picture technology can be simultaneously or write successively black data to said part of scanning line.In addition, said backlight module is a light-emitting diode (LED) backlight module, and said sub-light source comprises red pieces light source, green sub-light source or blue sub-light source.
So the driving method according to the display that the invention described above proposed can be known; So long as before the data that arbitrary sub picture period (also promptly red, green or blue sub picture period) of color sequence type LCD is being carried out sweep trace write, and the state of not lighting its pairing sub-light source black plug picture technology of carrying out arbitrary type down just belongs to the scope of institute of the present invention desire protection.
In sum; The drive unit of display proposed by the invention and method are suitable for driving color sequence type LCD; It mainly is that at least one sub picture period in during a picture of color sequence type LCD is carrying out carrying out black plug picture technology and/or overdrive technique in the process that the data of sweep trace write; Then again after the data that said sub picture period is finished part of scanning line write and wait for one period reaction time, just open the sub-light source of backlight module.Thus; Not only can solve the problem that color sequence type LCD produces colour cast effectively; And can also reach the brightness that promotes the whole demonstration of color sequence type LCD, and make the OCB liquid crystal molecule that is in the curved attitude of exhibition be difficult for rotating back into a plurality of advantages of case of bending.
Though the present invention discloses as above with a plurality of embodiment; But be not limited to the present invention, any person of ordinary skill in the field is not breaking away from the spirit and scope of the present invention; When can doing some various modifications and modification, so protection scope of the present invention should be as the criterion with the scope of appended claims.
Claims (30)
1. the driving method of a display comprises the following steps:
At least one sub picture period in during a picture of said display is carrying out carrying out black plug picture technology in the process that the data of sweep trace write; And
After the data that said sub picture period is finished part of scanning line write and wait for one period reaction time, open the sub-light source of backlight module.
2. the driving method of display according to claim 1 wherein, also comprises in said sub picture period is being carried out process that the data of sweep trace write and carries out overdrive technique to cooperate said black plug picture technology.
3. the driving method of display according to claim 2, wherein, said black plug picture technology is for write extremely said part of scanning line of black data simultaneously.
4. the driving method of display according to claim 2, wherein, said black plug picture technology is for write extremely said part of scanning line of black data successively.
5. the driving method of display according to claim 1, wherein, said driving method is suitable for driving color sequence type LCD.
6. the driving method of display according to claim 5, wherein, during said sub picture period comprises the red pieces picture, green sub picture period or blue sub picture period.
7. the driving method of display according to claim 5, wherein, during said sub picture period comprises the red pieces picture, green sub picture period and the triangular combination of blue sub picture period.
8. the driving method of display according to claim 5, wherein, said backlight module is a light-emitting diode (LED) backlight module.
9. the driving method of display according to claim 8, wherein, said sub-light source comprises red pieces light source, green sub-light source or blue sub-light source.
10. the drive unit of a display comprises:
Time schedule controller;
Gate drivers is coupled to display panel and is controlled by said time schedule controller, in order to open the sweep trace in the said display panel successively;
Source electrode driver is coupled to said display panel and is controlled by said time schedule controller, in order to cooperate said gate drivers the data of correspondence is write to the sweep trace of being opened by said gate drivers; And
The backlight module driver element is coupled to backlight module and is controlled by said time schedule controller, in order to drive said backlight module;
Wherein, Said time schedule controller cooperates said gate drivers, said source electrode driver and said backlight module driver element; Carrying out carrying out black plug picture technology in the process that the data of sweep trace write with at least one sub picture period in during a picture of said display; And after the data that said sub picture period is finished part of scanning line write and wait for one period reaction time, open the sub-light source of said backlight module.
11. the drive unit of display according to claim 10; Wherein, Said time schedule controller also cooperates said gate drivers, said source electrode driver and said backlight module driver element, carries out overdrive technique in the process that writes with the data of carrying out sweep trace in said sub picture period to cooperate said black plug picture technology.
12. the drive unit of display according to claim 11, wherein, said black plug picture technology is for write black data to said part of scanning line simultaneously.
13. the drive unit of display according to claim 11, wherein, said black plug picture technology is for write black data to said part of scanning line successively.
14. the drive unit of display according to claim 10, wherein, said drive unit is suitable for driving color sequence type LCD.
15. the drive unit of display according to claim 14, wherein, during said sub picture period comprises the red pieces picture, green sub picture period or blue sub picture period.
16. the drive unit of display according to claim 14, wherein.During said sub picture period comprises the red pieces picture, green sub picture period and the triangular combination of blue sub picture period.
17. the drive unit of display according to claim 14, wherein, said backlight module is a light-emitting diode (LED) backlight module.
18. the drive unit of display according to claim 17, wherein, said sub-light source comprises red pieces light source, green sub-light source or blue sub-light source.
19. the drive unit of display according to claim 14, wherein, said display panel is a display panels.
20. a display comprises:
Display panel;
Backlight module; And
Drive unit; Be coupled to said display panel and said backlight module; Carrying out carrying out black plug picture technology in the process that the data of sweep trace write in order at least one sub picture period in during a picture of said display; And after the data that said sub picture period is finished part of scanning line write and wait for one period reaction time, open the sub-light source of said backlight module.
21. display according to claim 20, wherein, said drive unit comprises:
Time schedule controller;
Gate drivers is coupled to said display panel and is controlled by said time schedule controller, in order to open the sweep trace in the said display panels successively;
Source electrode driver is coupled to said display panel and is controlled by said time schedule controller, in order to cooperate said gate drivers the data of correspondence is write to the sweep trace of being opened by said gate drivers; And
The backlight module driver element is coupled to said backlight module and is controlled by said time schedule controller, in order to drive said backlight module;
Wherein, said time schedule controller cooperates said gate drivers, said source electrode driver and said backlight module driver element to carry out said black plug picture technology.
22. display according to claim 21; Wherein, Said time schedule controller also cooperates said gate drivers, said source electrode driver and said backlight module driver element, carries out overdrive technique in the process that writes with the data of carrying out sweep trace in said sub picture period to cooperate said black plug picture technology.
23. display according to claim 22, wherein, said black plug picture technology is for write black data to said part of scanning line simultaneously.
24. display according to claim 22, wherein, said black plug picture technology is for write black data to said part of scanning line successively.
25. display according to claim 20, wherein, said display comprises a color sequence type LCD at least.
26. display according to claim 25, wherein, during said sub picture period comprises the red pieces picture, green sub picture period or blue sub picture period.
27. display according to claim 25, wherein, during said sub picture period comprises the red pieces picture, green sub picture period and the triangular combination of blue sub picture period.
28. display according to claim 25, wherein, said backlight module is a light-emitting diode (LED) backlight module.
29. display according to claim 28, wherein, said sub-light source comprises red pieces light source, green sub-light source or blue sub-light source.
30. display according to claim 25, wherein, said display panel is a display panels.
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| CN2008101739231A CN101727802B (en) | 2008-10-31 | 2008-10-31 | Displayer and driving device and method thereof |
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| CN2008101739231A CN101727802B (en) | 2008-10-31 | 2008-10-31 | Displayer and driving device and method thereof |
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| CN103578436A (en) * | 2012-07-27 | 2014-02-12 | 群康科技(深圳)有限公司 | Liquid crystal screen, three-dimensional image imaging device and operation method of three-dimensional image imaging device and liquid crystal screen |
| TWI503812B (en) * | 2013-09-05 | 2015-10-11 | Au Optronics Corp | Display |
| CN106205497B (en) * | 2015-04-29 | 2019-03-19 | 青岛海信电器股份有限公司 | A kind of method for controlling backlight thereof, device and liquid crystal display device |
| CN108122535B (en) * | 2016-11-28 | 2021-01-01 | 昆山国显光电有限公司 | AMOLED display screen, drive control circuit thereof and VR |
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| KR20030058193A (en) * | 2001-12-29 | 2003-07-07 | 엘지.필립스 엘시디 주식회사 | Liquid crystal panel and liquid crystal display having same |
| CN1797529A (en) * | 2004-12-25 | 2006-07-05 | 群康科技(深圳)有限公司 | Method for driving LCD faceplate in active matrix |
| CN101211028A (en) * | 2006-12-31 | 2008-07-02 | 晶宏半导体股份有限公司 | Display device |
-
2008
- 2008-10-31 CN CN2008101739231A patent/CN101727802B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030058193A (en) * | 2001-12-29 | 2003-07-07 | 엘지.필립스 엘시디 주식회사 | Liquid crystal panel and liquid crystal display having same |
| CN1797529A (en) * | 2004-12-25 | 2006-07-05 | 群康科技(深圳)有限公司 | Method for driving LCD faceplate in active matrix |
| CN101211028A (en) * | 2006-12-31 | 2008-07-02 | 晶宏半导体股份有限公司 | Display device |
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| CN101727802A (en) | 2010-06-09 |
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