CN102881254A - Driving system and driving method for improving picture quality - Google Patents
Driving system and driving method for improving picture quality Download PDFInfo
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Abstract
The invention discloses a driving system and a driving method for improving the picture quality. The driving system comprises an interface connector, a DC-DC converter, a gamma circuit, a source driving circuit, a gate driving circuit, a timing controller and a control module. A power source VDD is connected to the interface connector, data signals and control signals are transmitted to the interface connector, voltage of the power source VDD is reduced or increased via the DC-DC converter, the power source VDD supplies power for the gamma circuit, the source driving circuit, the gate driving circuit and the timing controller, the data signals and the control signals are used for controlling the conduction degree of a TFT (thin film transistor) switch, original OE (output enable) signals are decomposed onto OE1 signals and OE2 signals by the control module, the OE1 signals control trailing edges of scanning signals in a previous row, and the OE2 signals control leading edges of scanning signals in a succeeding row. The driving system and the driving method have the advantages that pixel charging time can be prolonged and accordingly is maximized, the picture quality of a display is improved, and uniformity of brightness of pictures is realized.
Description
Technical field
The present invention relates to the image quality improving technology, particularly a kind of active matrix/organic light emitting display (AMOLED) is at high frame frequency, the image quality improving problem under especially 3D shows.
Background technology
Organic light emitting display (OLED) is the active illuminating device.Compare present main flow flat panel display Thin Film Transistor-LCD (TFT-LCD), OLED has the advantages such as high-contrast, wide viewing angle, low-power consumption, volume be thinner, being expected to become the flat panel display of future generation after LCD, is maximum technology that receives publicity in the present flat panel display.
Fig. 1 is the configuration diagram of active matrix/organic light emitting display in the prior art (AMOLED) driving circuit; Fig. 2 is the P type TFT dot structure equivalent circuit diagram of active matrix/organic light emitting display among Fig. 1; The signal of coming in from interface connector (Interface Connector) as shown in the figure, has power vd D, data-signal and control signal.VDD is through DC-DC converter (Converter), and step-down is DVDD, offers source electrode drive circuit (Source IC), gate driver circuit (GATE IC) and time schedule controller (T-CON) power supply; Boosting is AVDD, gives gamma (Gamma) circuit and Source IC power supply.After data-signal and control signal entered T-CON, T-CON produced the control sequential, and data are sent on the Source IC.Then the STVP(frame scan start signal that provides in response to T-CON of Gate IC), CPV(line-scanning frequency signal), open the switching TFT M2 of every row, the control signals such as the STH that Source IC provides in response to T-CON, LOAD, the digital signal that receives from T-CON is converted into simulating signal, cooperate the signals such as STV, CPV aanalogvoltage to be loaded in the memory capacitance C of AMOLED panel, according to this potential value height, the conducting degree of control TFT M1 reaches the purpose of controlling OLED brightness, showing different GTGs.
Along with the increase of panel size, the transfer impedance of gate line (Gate line) is larger, and stray capacitance is larger, and RC postpones larger, and identical such as table 1, the transfer impedance of data line (Data line) is larger, and stray capacitance is larger, and RC postpones larger, such as table 2.
Table 1
Table 2
Caused the pixel duration of charging to shorten the time delay on Gate line and the Date line, and especially under high frame frequency condition of work, especially under the 3D display condition, the duration of charging is shorter, causes picture disply inhomogeneous, i.e. Mura.
Take the panel of 1360*768 (Total is as 1792*795) as example, operating characteristic is as follows:
| Condition of work | 60 | 240（3D） | HZ |
| Vertical interval | 16.67 | 4.167 | mS |
| The row surface sweeping time | 20.96 | 5.24 | uS |
Owing to have simultaneously late effect on Gate line and the Date line, cause continuous two row Gate lines staggered, cause the Mura bad phenomenon shown in Fig. 2 a.Reasons analysis such as Fig. 3 a, 3b, shown in the 3c, Fig. 3 a, 3b, 3c be respectively near-end on Gate and data transmission delay path synoptic diagram in the panel, the identical data line and far-end synoptic diagram, because Gate postpones the two line interlacing synoptic diagram that cause.
Because have simultaneously late effect on Gate line and the Date line, cause continuous two row Gate lines staggered, cause the wrong row of data line transmission, so that picture disply is bad.So use at present OE (Output enable) signal controlling G1, G2 ... the scanning impulse width of Gn, previous row Gate sweep trace is closed in advance, the rear Gate of delegation line is postponed and being opened, and prevents the wrong row of data line transmission.
As shown in Figure 4, for improving the prior art drive waveforms figure of above description Mura bad phenomenon.If be 20.96us horizontal-scanning interval, OE is 3.15us, and is then less on duration of charging impact, but when the duration of charging is 5.24us, then the picture point time duration of charging last less, had a strong impact on image quality.
Therefore, how the problems referred to above are solved, be those skilled in the art's research direction place.
Summary of the invention
Fundamental purpose of the present invention provides a kind of drive system of improving image quality, and it utilizes data in the Y-direction transmission delay to be arranged also, and far away apart from source electrode drive circuit, postpone larger rule, with former OE signal, be split as OEI and OED, wherein OEI control previous row sweep signal after prolong, the forward position of a line scan signals after the OED control, and on source electrode drive circuit direction from the near to the remote, the OEI pulsewidth increases progressively, OED successively decreases, and can reach maximized purpose of duration of charging.
In order to achieve the above object, the invention provides a kind of drive system of improving image quality, it comprises: interface connector, the DC-DC transducer, the gamma circuit, source electrode drive circuit, gate driver circuit and time schedule controller, come in to have power vd D from described interface connector, data-signal and control signal, described power vd D carries out buck or boost by described DC-DC transducer, give described gamma circuit, source electrode drive circuit, gate driver circuit and time schedule controller are powered, described data-signal and control signal are used for the conducting degree of control TFT switch, also comprise a control module, it is split as OE1 signal and OE2 signal with former OE signal, the rear edge of described OE1 signal controlling previous row sweep signal, the forward position of a line scan signals after the OE2 signal controlling.
Wherein, on the described source electrode drive circuit of the distance direction from the near to the remote, described OE1 signal pulsewidth increases progressively, and described OE2 signal successively decreases.
Wherein, described control module comprises a switching delay device, described switching delay device with OE1 signal delay after, obtain the OE2 signal, the OE1 signal is identical with OE2 signal pulsewidth, the relative OE1 signal delay of OE2 signal
Time.
Wherein, described control module comprises one the one RC delayer, a described RC delayer with OE1 signal delay after, obtain the OEI signal, so that the positive pulsewidth of OEI increases progressively line by line.
Wherein, described control module comprises one the 2nd RC delayer, described the 2nd RC delayer with OE2 signal delay after, obtain the OED signal, so that the positive pulsewidth of OED is successively decreased line by line.
In order to achieve the above object, the present invention also provides a kind of driving method that improves image quality, and it comprises the steps:
Step S1: by the interface connector power vd D that comes in, data-signal and control signal;
Step S2: by the conducting degree of described data-signal and control signal control TFT switch;
Step S3: former OE signal is split as OE1 signal and OE2 signal, the rear edge of described OE1 signal controlling previous row sweep signal, the forward position of a line scan signals after the OE2 signal controlling.
Wherein, in step S3, on the described source electrode drive circuit of the distance direction from the near to the remote, described OE1 signal pulsewidth increases progressively, and described OE2 signal successively decreases.
Wherein, in step S3, after OE1 signal delay, obtain the OE2 signal, the OE1 signal is identical with OE2 signal pulsewidth, the relative OE1 signal delay of OE2 signal
Time.
Wherein, in step S3, after OE1 signal delay, obtain the OEI signal, so that the positive pulsewidth of OEI increases progressively line by line.
Wherein, in step S3, after OE2 signal delay, obtain the OED signal, so that the positive pulsewidth of OED is successively decreased line by line.
Beneficial effect of the present invention is: can improve the pixel duration of charging, make the duration of charging maximization, improve the display image quality, the picture brightness homogeneity is provided.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the configuration diagram of active matrix/organic light emitting display driving circuit in the prior art;
Fig. 2 is the P type TFT dot structure equivalent circuit diagram of active matrix/organic light emitting display among Fig. 1;
Fig. 2 a is the bad picture display effect synoptic diagram of the Mura of active matrix/organic light emitting display in the prior art;
Fig. 3 a is Gate and data transmission delay path synoptic diagram in the prior art panel;
Fig. 3 b is near-end and the far-end synoptic diagram on the prior art identical data line;
Fig. 3 c is that prior art is because the two line interlacing synoptic diagram that the Gate delay causes;
Fig. 4 is for improving the prior art drive waveforms figure of the above Mura of description bad phenomenon;
Fig. 5 is the technology drive waveforms figure of the Mura bad phenomenon under the 3D 240HZ of the present invention;
Fig. 6 is that the present invention splits synoptic diagram with the OE signal;
Fig. 7 is that OE1 pulsewidth of the present invention changes the OEI synoptic diagram that pulsewidth increases progressively into;
Fig. 8 is that OE2 pulsewidth of the present invention changes the OED synoptic diagram that pulsewidth is successively decreased into;
Fig. 9 is a kind of driving method process flow diagram that improves image quality of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not paying the every other embodiment that obtains under the creative work prerequisite.
Such as Fig. 5 to shown in Figure 8, be respectively the Mura bad phenomenon under the 3D 240HZ of the present invention technology drive waveforms figure, the OE signal is split synoptic diagram, OE1 pulsewidth change OEI synoptic diagram and the OE2 pulsewidth that pulsewidth increases progressively into and change the OED synoptic diagram that pulsewidth is successively decreased into.
The present invention is in order to reduce the OE time, improve the pixel duration of charging, utilize data in the Y-direction transmission delay to be arranged also, and far away apart from source electrode drive circuit, postpone larger rule, and provide a kind of drive system of improving image quality, this system comprises interface connector, the DC-DC transducer, the gamma circuit, source electrode drive circuit, gate driver circuit and time schedule controller, come in to have power vd D from described interface connector, data-signal and control signal, described power vd D carries out buck or boost by described DC-DC transducer, give described gamma circuit, source electrode drive circuit, gate driver circuit and time schedule controller are powered, described data-signal and control signal are used for the conducting degree of control TFT switch, wherein, cooperation is consulted shown in Figure 5, the drive system of improving image quality of the present invention also comprises a control module, it is split as OE1 signal and OE2 signal with former OE signal, the rear edge of described OE1 signal controlling previous row sweep signal, the forward position of a line scan signals after the OE2 signal controlling, and, on the described source electrode drive circuit of the distance direction from the near to the remote, described OE1 signal pulsewidth increases progressively, described OE2 signal successively decreases, and reaches the duration of charging maximization so that improve the drive system of image quality.
As shown in Figure 6, described control module comprises a switching delay device, described switching delay device with OE1 signal delay after, obtain the OE2 signal, the OE1 signal is identical with OE2 signal pulsewidth, the relative OE1 signal delay of OE2 signal
Time.
As shown in Figure 7, described control module comprises one the one RC delayer, a described RC delayer with OE1 signal delay after, obtain the OEI signal, so that the positive pulsewidth of OEI increases progressively line by line.
As shown in Figure 8, described control module comprises one the 2nd RC delayer, described the 2nd RC delayer with OE2 signal delay after, obtain the OED signal, so that the positive pulsewidth of OED is successively decreased line by line.
As shown in Figure 9, improve the driving method process flow diagram of image quality for the present invention is a kind of, the method comprises the steps: step S1: by the interface connector power vd D that comes in, data-signal and control signal; Step S2: by the conducting degree of described data-signal and control signal control TFT switch; Step S3: former OE signal is split as OE1 signal and OE2 signal, the rear edge of described OE1 signal controlling previous row sweep signal, the forward position of a line scan signals after the OE2 signal controlling.
Wherein, in step S3, on the described source electrode drive circuit of the distance direction from the near to the remote, described OE1 signal pulsewidth increases progressively, and described OE2 signal successively decreases.
Wherein, in step S3, after OE1 signal delay, obtain the OE2 signal, the OE1 signal is identical with OE2 signal pulsewidth, the relative OE1 signal delay of OE2 signal
Time.
Wherein, in step S3, after OE1 signal delay, obtain the OEI signal, so that the positive pulsewidth of OEI increases progressively line by line.
Wherein, in step S3, after OE2 signal delay, obtain the OED signal, so that the positive pulsewidth of OED is successively decreased line by line.
In sum, the present invention is by utilizing data in the Y-direction transmission delay to be arranged also, and far away apart from source electrode drive circuit, postpone larger rule, with former OE signal, be split as OEI and OED, wherein OEI control previous row sweep signal after prolong the forward position of a line scan signals after the OED control, and, on source electrode drive circuit direction from the near to the remote, the OEI pulsewidth increases progressively, and OED successively decreases, can improve the pixel duration of charging, make the duration of charging maximization, improve the display image quality, the picture brightness homogeneity is provided.
One of ordinary skill in the art will appreciate that: accompanying drawing is the synoptic diagram of an embodiment, and the module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the device among the embodiment can be described according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of embodiment of the invention technical scheme.
Claims (10)
1. drive system of improving image quality, it comprises: interface connector, the DC-DC transducer, the gamma circuit, source electrode drive circuit, gate driver circuit and time schedule controller, come in to have power vd D from described interface connector, data-signal and control signal, described power vd D carries out buck or boost by described DC-DC transducer, give described gamma circuit, source electrode drive circuit, gate driver circuit and time schedule controller are powered, described data-signal and control signal are used for the conducting degree of control TFT switch, it is characterized in that, also comprise a control module, it is split as OE1 signal and OE2 signal with former OE signal, the rear edge of described OE1 signal controlling previous row sweep signal, the forward position of a line scan signals after the OE2 signal controlling.
2. a kind of drive system of improving image quality according to claim 1 is characterized in that, on the described source electrode drive circuit of the distance direction from the near to the remote, described OE1 signal pulsewidth increases progressively, and described OE2 signal successively decreases.
3. a kind of drive system of improving image quality according to claim 2 is characterized in that, described control module comprises a switching delay device, described switching delay device with OE1 signal delay after, obtain the OE2 signal, the OE1 signal is identical with OE2 signal pulsewidth, the relative OE1 signal delay of OE2 signal
Time.
4. a kind of drive system of improving image quality according to claim 3 is characterized in that, described control module comprises one the one RC delayer, a described RC delayer with OE1 signal delay after, obtain the OEI signal, so that the positive pulsewidth of OEI increases progressively line by line.
5. a kind of drive system of improving image quality according to claim 4 is characterized in that, described control module comprises one the 2nd RC delayer, described the 2nd RC delayer with OE2 signal delay after, obtain the OED signal, so that the positive pulsewidth of OED is successively decreased line by line.
6. a driving method that improves image quality is characterized in that it comprises the steps:
Step S1: by the interface connector power vd D that comes in, data-signal and control signal;
Step S2: by the conducting degree of described data-signal and control signal control TFT switch;
Step S3: former OE signal is split as OE1 signal and OE2 signal, the rear edge of described OE1 signal controlling previous row sweep signal, the forward position of a line scan signals after the OE2 signal controlling.
7. a kind of driving method that improves image quality according to claim 6 is characterized in that, in step S3, on the described source electrode drive circuit of the distance direction from the near to the remote, described OE1 signal pulsewidth increases progressively, and described OE2 signal successively decreases.
8. a kind of driving method that improves image quality according to claim 7 is characterized in that, in step S3, after OE1 signal delay, obtains the OE2 signal, and the OE1 signal is identical with OE2 signal pulsewidth, the relative OE1 signal delay of OE2 signal
Time.
9. a kind of driving method that improves image quality according to claim 8 is characterized in that, in step S3, after OE1 signal delay, obtains the OEI signal, so that the positive pulsewidth of OEI increases progressively line by line.
10. a kind of driving method that improves image quality according to claim 9 is characterized in that, in step S3, after OE2 signal delay, obtains the OED signal, so that the positive pulsewidth of OED is successively decreased line by line.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198803A (en) * | 2013-03-27 | 2013-07-10 | 京东方科技集团股份有限公司 | Drive control unit, drive circuit and drive control method of display substrate |
| CN104851384A (en) * | 2015-05-29 | 2015-08-19 | 合肥京东方光电科技有限公司 | Driving method and drive module of display panel, display panel, and display device |
| CN105245816A (en) * | 2015-09-29 | 2016-01-13 | 中航华东光电有限公司 | Signal processing circuit and signal processing method |
| WO2018232923A1 (en) * | 2017-06-20 | 2018-12-27 | 惠科股份有限公司 | Drive device, drive method thereof, and display device |
| WO2020244418A1 (en) * | 2019-06-06 | 2020-12-10 | 京东方科技集团股份有限公司 | Timing control method and timing control circuit for display panel, and drive apparatus and display device |
| CN112825240A (en) * | 2019-11-20 | 2021-05-21 | 京东方科技集团股份有限公司 | Display driving device and display driving method thereof, display module and display device |
| CN113643645A (en) * | 2021-10-18 | 2021-11-12 | 惠科股份有限公司 | Display panel, display panel driving method and display |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004094169A (en) * | 2002-09-04 | 2004-03-25 | Toshiba Matsushita Display Technology Co Ltd | Common circuit and common voltage adjustment method |
| US20070097057A1 (en) * | 2005-10-31 | 2007-05-03 | Shin Jung W | Liquid crystal display and driving method thereof |
| CN101191920A (en) * | 2006-12-01 | 2008-06-04 | 群康科技(深圳)有限公司 | Lcd device and its drive circuit and driving method |
| CN102005174A (en) * | 2010-12-31 | 2011-04-06 | 福建华映显示科技有限公司 | Method for reducing image ghosting |
| CN102024431A (en) * | 2009-09-16 | 2011-04-20 | 北京京东方光电科技有限公司 | TFT-LCD driving circuit |
| CN202008813U (en) * | 2010-12-23 | 2011-10-12 | 北京京东方光电科技有限公司 | Grid driver of TFT LCD, drive circuit, and LCD |
-
2012
- 2012-09-28 CN CN201210370303.3A patent/CN102881254B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004094169A (en) * | 2002-09-04 | 2004-03-25 | Toshiba Matsushita Display Technology Co Ltd | Common circuit and common voltage adjustment method |
| US20070097057A1 (en) * | 2005-10-31 | 2007-05-03 | Shin Jung W | Liquid crystal display and driving method thereof |
| CN101191920A (en) * | 2006-12-01 | 2008-06-04 | 群康科技(深圳)有限公司 | Lcd device and its drive circuit and driving method |
| CN102024431A (en) * | 2009-09-16 | 2011-04-20 | 北京京东方光电科技有限公司 | TFT-LCD driving circuit |
| CN202008813U (en) * | 2010-12-23 | 2011-10-12 | 北京京东方光电科技有限公司 | Grid driver of TFT LCD, drive circuit, and LCD |
| CN102005174A (en) * | 2010-12-31 | 2011-04-06 | 福建华映显示科技有限公司 | Method for reducing image ghosting |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198803A (en) * | 2013-03-27 | 2013-07-10 | 京东方科技集团股份有限公司 | Drive control unit, drive circuit and drive control method of display substrate |
| CN103198803B (en) * | 2013-03-27 | 2016-08-10 | 京东方科技集团股份有限公司 | The driving control unit of a kind of display base plate, drive circuit and driving control method |
| CN104851384A (en) * | 2015-05-29 | 2015-08-19 | 合肥京东方光电科技有限公司 | Driving method and drive module of display panel, display panel, and display device |
| CN104851384B (en) * | 2015-05-29 | 2018-04-20 | 合肥京东方光电科技有限公司 | Driving method and drive module, the display panel and display device of display panel |
| US10109257B2 (en) | 2015-05-29 | 2018-10-23 | Boe Technology Group Co., Ltd. | Driving method of display panel and driving module, display panel and display apparatus |
| CN105245816A (en) * | 2015-09-29 | 2016-01-13 | 中航华东光电有限公司 | Signal processing circuit and signal processing method |
| WO2018232923A1 (en) * | 2017-06-20 | 2018-12-27 | 惠科股份有限公司 | Drive device, drive method thereof, and display device |
| WO2020244418A1 (en) * | 2019-06-06 | 2020-12-10 | 京东方科技集团股份有限公司 | Timing control method and timing control circuit for display panel, and drive apparatus and display device |
| US11302233B2 (en) | 2019-06-06 | 2022-04-12 | Beijing Boe Display Technology Co., Ltd. | Timing control method and timing control circuit for display panel, driving device and display device |
| CN112825240A (en) * | 2019-11-20 | 2021-05-21 | 京东方科技集团股份有限公司 | Display driving device and display driving method thereof, display module and display device |
| CN112825240B (en) * | 2019-11-20 | 2022-04-08 | 京东方科技集团股份有限公司 | Display driving device and display driving method thereof, display module and display device |
| CN113643645A (en) * | 2021-10-18 | 2021-11-12 | 惠科股份有限公司 | Display panel, display panel driving method and display |
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Effective date of registration: 20201209 Address after: No.146 Tianying Road, high tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu CHENXIAN photoelectric Co.,Ltd. Address before: No. 188, CHENFENG Road, Kunshan high tech Zone, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Kunshan New Flat Panel Display Technology Center Co.,Ltd. |