CN1811892A - Liquid crystal display panel driving method and liquid crystal display device - Google Patents
Liquid crystal display panel driving method and liquid crystal display device Download PDFInfo
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- CN1811892A CN1811892A CN 200610009252 CN200610009252A CN1811892A CN 1811892 A CN1811892 A CN 1811892A CN 200610009252 CN200610009252 CN 200610009252 CN 200610009252 A CN200610009252 A CN 200610009252A CN 1811892 A CN1811892 A CN 1811892A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 34
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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Abstract
This invention discloses a drive method for a LCD panel, in which, said panel includes multiple first gate electrode lines and second gate electrode lines, multiple data lines and a display unit coupling to said first gate lines or the second gate lines and said data lines, the method includes: providing conducting signals orderly in the first direction to said first gate electrode lines and providing said conducting signals to the second gate electrode lines orderly in the second direction opposite to the first and providing data signals to said data lines of the first or the second gate electrode lines. This invention also discloses a LCD device with said LCD panel and at least a drive set.
Description
Technical field
The present invention relates to a kind of display panels, particularly the driving method of display panels and liquid crystal indicator.
Background technology
Fig. 1 is the schematic equivalent circuit of existing display panels (liquid crystal display panel is hereinafter to be referred as the LCD panel) and peripheral drive circuit thereof.As shown in the figure, on the LCD panel viewing area 10 by crisscross data line (with D1, D2, D3 ..., D2m represents) and gate electrode (gate pole) line (with G1, G2 ..., G2n represents) be interwoven, staggered data line and gate electrode (gate) line of each group can be used for controlling a display unit (display unit), and for example data line D1 and gate electrode line G1 can be used for controlling display unit P11.As shown in the figure, the equivalent electrical circuit of each display unit comprises that mainly control data enters thin film transistor (TFT) TFT and the storage capacitors Cst and the liquid crystal capacitance Clc of usefulness.The gate electrode of thin film transistor (TFT) TFT and drain electrode electrically connect with gate electrode line G1～G2n and data line D1～D2m respectively, whether Continuity signal can conducting by gate electrode line G1～G2n or is closed all thin film transistor (TFT)s on the same row (being same gate electrode line), can be written in the corresponding display unit so as to the data-signal on control data line D1～D2m (data signal).
Traditional driving method for liquid crystal display panel reaches the effect of integration visually with the colour mixture on the space.With 60Hz is example, be to be furnished with R, G, three sub-display units of B (not showing on the figure) on the liquid crystal panel, then each display frame R, G, three sub-display units of B all have 16.7 milliseconds reaction time approximately, visually just can receive the effect behind R, G, the B three color contamination looks.But traditional colour preface method (colorsequential driving method) is to reach visual effect with temporal colour mixture, it utilizes backlight to be respectively R, G, B three looks, once only open of the same colour backlight, opening time is about 1/3rd of each display frame time separately, promptly about 5.6 milliseconds, for example R's is backlight in first 5.6 milliseconds of unlatchings, G's is backlight in second 5.6 milliseconds of unlatching, B's is backlight in the 3rd 5.6 milliseconds of unlatchings, then visually just can receive the result that display frame comes from these three sub-display frame colour mixtures.Plant the type of drive of look preface method according to this, provide a Continuity signal to be scanned up to the last item gate electrode line G2n in regular turn by article one gate electrode line G1, the time that drives R, G, three sprites of B is about 5.6 milliseconds, deduction pixel electrode duration of charging and LED-backlit opening time, allow only remaining about 2 milliseconds of liquid crystal reaction time, the LCD panel can be because the mistiming that article one gate electrode line G1 causes liquid crystal molecule reaction to the mistiming that the last item gate electrode line G2n is switched on, because the mistiming of liquid crystal molecule reaction makes that the brightness of panel top and below is also variant.United States Patent (USP) has disclosed a kind of method that drives display panels with look preface method for No. 5233338, wherein mention when (n+1) individual display frame, Continuity signal needs separately with in n picture the time Continuity signal opposite in the direction of scanning of R, G, three sub-display frames of B in the direction of scanning of R, G, three sub-display frames of B.Wherein, the R of each display unit, G, three sub-display frames of B are corresponding to identical gate electrode line.
Summary of the invention
The object of the present invention is to provide a kind of driving method for liquid crystal display panel to solve the above-mentioned panel problem of brightness disproportionation up and down.
The disclosed method of the present invention is applicable to display panels, this display panels comprises many first gate electrode lines and the second gate electrode line, many data lines and a plurality of display unit that is respectively coupled to one of the corresponding described first gate electrode line and described second gate electrode line and described data line, driving method for liquid crystal display panel of the present invention comprises: in a display frame, provide a Continuity signal to the described first gate electrode line in regular turn with the order of a first direction, and provide described Continuity signal to the described second gate electrode line in regular turn with order in contrast to the second direction of this first direction; When described Continuity signal is provided respectively to one of each described first gate electrode line and each described second gate electrode line, provide a data-signal each described data line respectively to one of corresponding each described first gate electrode line and each described second gate electrode line.
In addition, the present invention discloses a kind of driving method for liquid crystal display panel, it is applicable to display panels, for example be applicable to field sequence type color liquid crystal panel (Field-Sequential Color Liquid CrystalDisplay Panel), this display panels comprises many first gate electrode lines and many second gate electrode lines, many data lines and a plurality of display unit that is respectively coupled to one of the corresponding described first gate electrode line and described second gate electrode line and described data line.Described driving method for liquid crystal display panel comprises: when a n picture, order with a first direction provides a Continuity signal to the described first gate electrode line in regular turn, and provide described Continuity signal to the described second gate electrode line in regular turn with order in contrast to the second direction of this first direction, wherein n is a positive integer; During Yu Yidi (n+1) picture, provide described Continuity signal to the described first gate electrode line in regular turn, and provide described Continuity signal to the described second gate electrode line in regular turn with order in contrast to the described first direction of this second direction with the order of described second direction; When described Continuity signal is provided respectively to one of each described first gate electrode line and each described second gate electrode line, provide a data-signal each described data line respectively to one of corresponding each described first gate electrode line and each described second gate electrode line.
The present invention has also disclosed a kind of liquid crystal indicator, comprise: a display panels, it comprises many first gate electrode lines and many second gate electrode lines, many first data lines and many second data lines, and a plurality ofly is respectively coupled between described first gate electrode line and described first data line and the display unit between described second gate electrode line and described second data line; At least one driver bank, it is used in a display frame order with a first direction provides a Continuity signal to the described first gate electrode line, provide a Continuity signal to the described second gate electrode line and when described Continuity signal is provided respectively to the described second gate electrode line of each described first gate electrode line and each in regular turn with the order in contrast to the second direction of this first direction in regular turn, provides a data-signal to each described first data line and each described second data line corresponding to each described first gate electrode line and each described second gate electrode line respectively.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, an embodiment cited below particularly also is elaborated in conjunction with the accompanying drawings.
Fig. 1 is the array schematic architectural diagram of traditional display panels;
Fig. 2 is the array schematic architectural diagram of the display panels of embodiment of the present invention;
Fig. 3 is the direction of scanning sequential chart of the display panels of embodiment of the present invention;
Fig. 4 is another direction of scanning sequential chart of the display panels of embodiment of the present invention;
Fig. 5 is the array schematic architectural diagram of the display panels of another embodiment of the present invention;
Fig. 6 is the array schematic architectural diagram of the display panels of the another embodiment of the present invention;
Fig. 7 is the present invention's array schematic architectural diagram of the display panels of an embodiment again;
Fig. 8 is the array schematic architectural diagram of the display panels of another embodiment of the present invention;
Fig. 9 is the array schematic architectural diagram of the display panels of the another embodiment of the present invention;
Figure 10 is the present invention's array schematic architectural diagram of the display panels of an embodiment again;
Figure 11 is the array schematic architectural diagram of the display panels of another embodiment of the present invention;
Figure 12 is the array schematic architectural diagram of the display panels of the another embodiment of the present invention.
Description of reference numerals
10,20,50,60,70,80,90,104,110,120 liquid crystal panel viewing areas
111,121 drivers
101,201,501,60 data drivers
100,200,500,700,900 gate electrode drivers
701,801,901,103 first data drivers
702,803,903,106 second data drivers
600,800,102 first gate electrode drivers
602,802,105 second gate electrode drivers
The P11 display unit
D1, D2, D3, D4, D2m-1, D2m data line
G1, G2, G3, G4, Gn, Gn+1, Gn+2, G2n-1, G2n gate electrode line
Embodiment
Fig. 2 is the schematic equivalent circuit of display panels of the present invention (liquid crystal display panel is hereinafter to be referred as the LCD panel) and peripheral drive circuit thereof.As shown in the figure, on the LCD panel viewing area 20 be by crisscross data line (with D1, D2, D3 ..., D2m represents) with the gate electrode line (with G1, G2 ..., G2n represents) be interwoven, staggered data line and the gate electrode line of each group can be used for controlling a display unit (display unit), and for example data line D1 and gate electrode line G1 can be used for controlling display unit P11.In a display frame, send Continuity signal to corresponding gate electrode line by a gate electrode driver 200, odd number bar gate electrode line G1 wherein, G3, G5, ..., G2n-1 is (first direction from top to bottom, the direction that arrow as shown in Figure 3 is downward) scans, even number bar gate electrode line G2, G4, ..., G2n is (second direction from lower to upper, the direction that arrow as shown in Figure 3 makes progress) scans, owing to share same data line, send Continuity signal by gate electrode driver 200 and need have a mistiming to G1 and G2n, sending Continuity signal to time of G1 by gate electrode driver 200 can be prior to or subsequent to by gate electrode driver 200 and send the time of Continuity signal to G2n, the scope of mistiming can be 1～20 microsecond, wherein, preferred 5～10 microseconds.As shown in Figure 3, in each display frame, with basipetal first direction provide Continuity signal to an odd number bar gate electrode line G1, G3, G5 ..., G2n-1 and with from lower to upper second direction provide Continuity signal to an even number bar gate electrode line G2, G4 ..., G2n.Also can be as shown in Figure 4, when n display frame, provide Continuity signal to an odd number bar gate electrode line G1 with basipetal first direction, G3, G5, ..., G2n-1, and provide Continuity signal to an even number bar gate electrode line G2 with second direction from lower to upper, G4, ..., G2n, and when (n+1) individual display frame, provide Continuity signal to an odd number bar gate electrode line G1 with from lower to upper second direction, G3, G5, ..., G2n-1, and provide Continuity signal to an even number bar gate electrode line G2 with basipetal first direction, G4, ..., G2n.Be docile and obedient the difference that preface is scanned up to the last item gate electrode line by article one gate electrode line in the present invention and the conventional art and be, odd number bar gate electrode line G1, G3, G5 ..., G2n-1 and even number bar gate electrode line G2, G4 ..., G2n carries out in the mode of subtend scanning.Therefore, when (n+1) individual display frame Continuity signal in the odd number bar gate electrode line G1 of R, G or three sub-display frames of B, G3, G5 ..., the direction of G2n-1 scanning and Continuity signal when n picture in the odd number bar gate electrode line G1 of R, G or three sub-display frames of B, G3, G5 ..., the direction of G2n-1 scanning for example can be identical or can difference.When (n+1) individual display frame Continuity signal in even number bar gate electrode line G2, the G4 of R, G or three sub-display frames of B ..., the direction of G2n scanning and Continuity signal when n picture in even number bar gate electrode line G2, the G4 of R, G or three sub-display frames of B ..., the direction of G2n scanning for example can be identical or can difference.
Fig. 5 is the array schematic architectural diagram of the display panels of another embodiment of the present invention, the difference of itself and described embodiment is, odd number bar gate electrode line G1, G3, G5, ..., G2n-1 and even number bar gate electrode line G2, G4, ..., G2n not the shared data line (with D1, D2, D3, ..., D2m represents), odd number bar gate electrode line G1, G3, G5, ..., G2n-1 and odd number bar data line D1, D3, D5, ..., D2m-1 is coupled to a corresponding display unit, even number bar gate electrode line G2, G4, ..., G2n and even number bar data line D2, D4, ..., D2m is coupled to a corresponding display unit.In this embodiment, provide Continuity signal to an odd number bar gate electrode line G1, G3, G5 ..., G2n-1 and even number bar gate electrode line G2, G4 ..., the zero-time of G2n can be identical or a mistiming arranged, the scope of mistiming can be 1～20 microsecond, wherein, preferred 5～10 microseconds.
Fig. 6 is the array schematic architectural diagram of the display panels of the another embodiment of the present invention, the difference of this embodiment and embodiment shown in Figure 5 is, the first gate electrode driver 600 provide Continuity signal to an odd number bar gate electrode line G1, G3, G5 ..., G2n-1, and the second gate electrode driver 602 provide Continuity signal to an even number bar gate electrode line G2, G4 ..., G2n.
Fig. 7 is the present invention's array schematic architectural diagram of the display panels of an embodiment again, the difference of this embodiment and embodiment shown in Figure 5 is, first data driver 701 provide data-signal to an odd number bar data line D1, D3, D5 ..., D2m-1, and second data driver 702 provide data-signal to an even number bar data line D2, D4 ..., D2m, and odd number bar data line D1, D3, D5 ..., D2m-1 and even number bar data line D2, D4 ..., D2m is configured to be parallel to each other and staggered.
Fig. 8 is the array schematic architectural diagram of the display panels of another embodiment of the present invention, the difference of this embodiment and embodiment shown in Figure 7 is, the first gate electrode driver 800 provide Continuity signal to an odd number bar gate electrode line G1, G3, G5 ..., G2n-1, and the second gate electrode driver 802 provide Continuity signal to an even number bar gate electrode line G2, G4 ..., G2n.
Fig. 9 is the array schematic architectural diagram of the display panels of the another embodiment of the present invention, the difference of this embodiment and embodiment shown in Figure 7 is, odd number bar data line D1, D3, D5 ..., D2m-1 and even number bar data line D2, D4 ..., D2m is non-is parallel to each other and is crisscross arranged, but divide into the first half and Lower Half, be that D1 and D2 are arranged on the same straight line, but two data line is non-intersect, and is middle for opening circuit.
Figure 10 is the present invention's array schematic architectural diagram of the display panels of an embodiment again, the difference of this embodiment and embodiment shown in Figure 9 is, the first gate electrode driver 102 provide Continuity signal to an odd number bar gate electrode line G1, G3, G5 ..., G2n-1, and the second gate electrode driver 105 provide Continuity signal to an even number bar gate electrode line G2, G4 ..., G2n.
Figure 11 is the array schematic architectural diagram of the display panels of another embodiment of the present invention, and the difference of this embodiment and embodiment shown in Figure 2 is that driver 111 is integrated with the function of gate electrode driver 200 and data driver 201 shown in Figure 2.
Figure 12 is the array schematic architectural diagram of the display panels of the another embodiment of the present invention, and the difference of this embodiment and embodiment shown in Figure 5 is that driver 121 is integrated with the function of gate electrode driver 500 and data driver 501 shown in Figure 5.
Though the invention has been described by a plurality of embodiments above; but this is not to be limitation of the present invention; the any technician in this area is under the prerequisite that does not exceed design of the present invention and scope; also can make any conversion and retouching, so protection scope of the present invention should be as the criterion with the scope that claims define.
Claims (12)
1. driving method for liquid crystal display panel that is applicable to display panels, this display panels comprises many first gate electrode lines and the second gate electrode line, many data lines and a plurality of display unit that is respectively coupled to one of the corresponding described first gate electrode line and described second gate electrode line and described data line, and described driving method for liquid crystal display panel comprises:
Order with a first direction in a display frame provides a Continuity signal to the described first gate electrode line in regular turn, provides this Continuity signal to the described second gate electrode line in regular turn with the second direction order in contrast to described first direction; And
When described Continuity signal is provided respectively to one of each described first gate electrode line and each described second gate electrode line, provide a data-signal each described data line respectively to one of corresponding each described first gate electrode line and each described second gate electrode line.
2. driving method for liquid crystal display panel as claimed in claim 1, wherein, described Continuity signal begins to be provided in regular turn the described first gate electrode line in one first zero-time.
3. driving method for liquid crystal display panel as claimed in claim 2, wherein, described Continuity signal begins to be provided in regular turn the described second gate electrode line in described first zero-time.
4. driving method for liquid crystal display panel as claimed in claim 2, wherein, described Continuity signal begins to be provided in regular turn the described second gate electrode line in one second zero-time.
5. driving method for liquid crystal display panel as claimed in claim 4, wherein, described first zero-time is not equal to described second zero-time.
6. driving method for liquid crystal display panel as claimed in claim 4, wherein, the disparity range of described first zero-time and described second zero-time is about between 1～20 microsecond.
7. driving method for liquid crystal display panel as claimed in claim 4, wherein, the disparity range of described first zero-time and described second zero-time is about between 5～10 microseconds.
8. liquid crystal indicator comprises:
One display panels, it comprises many first gate electrode lines and many second gate electrode lines, many first data lines and many second data lines and a plurality ofly is respectively coupled between described first gate electrode line and described first data line and the display unit between described second gate electrode line and described second data line; And
At least one driver bank, it is used in a display frame order with a first direction provides a Continuity signal to provide described Continuity signal to the described second gate electrode line and when described Continuity signal is provided respectively to the described second gate electrode line of each described first gate electrode line and each in regular turn to the described first gate electrode line and with the second direction order in contrast to this first direction in regular turn, provides a data-signal to each described first data line and each described second data line corresponding to each described first gate electrode line and each described second gate electrode line respectively.
9. liquid crystal indicator as claimed in claim 8, wherein, described at least one driver bank comprises:
At least one gate electrode driver, its order with described first direction provide described Continuity signal to the described first gate electrode line in regular turn, and provide described Continuity signal to the described second gate electrode line in regular turn with described second direction order; And
At least one data driver, it provides described data-signal to each described first data line and each described second data line corresponding to each described first gate electrode line and each described second gate electrode line respectively when described Continuity signal is provided to described first gate electrode line and the described second gate electrode line.
10. liquid crystal indicator as claimed in claim 9, wherein, described at least one gate electrode driver comprises one first gate electrode driver and one second gate electrode driver, the described first gate electrode driver provides described Continuity signal to the described first gate electrode line according to the order of described first direction, and the described second gate electrode driver provides described Continuity signal to the described second gate electrode line according to the order of described second direction.
11. liquid crystal indicator as claimed in claim 9, wherein, described at least one data driver comprises one first data driver and one second data driver, and described first data driver provides described data-signal to each described first data line, and described second data driver provides described data-signal to each described second data line.
12. liquid crystal indicator as claimed in claim 8, wherein, described display panels is a field sequence type color liquid crystal panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100092526A CN100423078C (en) | 2006-02-15 | 2006-02-15 | Liquid crystal display panel driving method and liquid crystal display device |
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| CNB2006100092526A CN100423078C (en) | 2006-02-15 | 2006-02-15 | Liquid crystal display panel driving method and liquid crystal display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122466A (en) * | 2010-12-30 | 2011-07-13 | 友达光电股份有限公司 | Liquid crystal display device and driving method thereof |
| US8581829B2 (en) | 2010-05-05 | 2013-11-12 | Au Optronics Corp. | Backlight driving method and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320674A (en) * | 1995-05-25 | 1996-12-03 | Casio Comput Co Ltd | Liquid crystal driving device |
| JPH09237066A (en) * | 1996-03-01 | 1997-09-09 | Citizen Watch Co Ltd | Liquid crystal display device |
| CN1204781A (en) * | 1997-04-28 | 1999-01-13 | 松下电器产业株式会社 | Crystal display device and driving method thereof |
| KR100848095B1 (en) * | 2002-05-09 | 2008-07-24 | 삼성전자주식회사 | Thin film transistor array panel, liquid crystal display and manufacturing method of the thin film transistor array panel |
| JP3904524B2 (en) * | 2003-03-20 | 2007-04-11 | シャープ株式会社 | Liquid crystal display device and driving method thereof |
| JP4111174B2 (en) * | 2003-08-08 | 2008-07-02 | セイコーエプソン株式会社 | Electro-optical panel, electro-optical device and electronic apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8581829B2 (en) | 2010-05-05 | 2013-11-12 | Au Optronics Corp. | Backlight driving method and display device |
| CN102122466A (en) * | 2010-12-30 | 2011-07-13 | 友达光电股份有限公司 | Liquid crystal display device and driving method thereof |
| CN102122466B (en) * | 2010-12-30 | 2012-11-07 | 友达光电股份有限公司 | Liquid crystal display device and driving method thereof |
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