CN1831914A - Scanning driving method and its two-dimensional display - Google Patents
Scanning driving method and its two-dimensional display Download PDFInfo
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- CN1831914A CN1831914A CN 200610077001 CN200610077001A CN1831914A CN 1831914 A CN1831914 A CN 1831914A CN 200610077001 CN200610077001 CN 200610077001 CN 200610077001 A CN200610077001 A CN 200610077001A CN 1831914 A CN1831914 A CN 1831914A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000010409 thin film Substances 0.000 claims description 50
- 239000010408 film Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- 230000005669 field effect Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 239000012528 membrane Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
A method for driving scan includes using N grade scanning line to provide the first scanning voltage to pixel column for connecting through to corresponding film transistor and utilizing N + 1 grade to provide the second scanning voltage to the first switch through said film transistor for connecting through to the first switch and for outputting the first data voltage to the first pixel electrode. In the method, absolute D - value of two said scanning voltages is greater than critical voltage value of film transistor.
Description
Technical field
The present invention relates to a kind of scanning drive method and flat-panel screens thereof, particularly relate to a kind of scanning drive method and flat-panel screens thereof of pixel multitask.
Background technology
In the flat-panel screens in the past, each pixel is coupled to a data line and one scan line respectively, and provides corresponding data voltage and scanning voltage by driving circuit.Because the demand of existing market, the size of flat-panel screens is increasing, and resolution is more and more higher, and the cost of driving circuit also increases thereupon, makes that the cost of flat-panel screens is also more and more higher.Therefore, become the original market competitiveness that improves in order effectively to reduce display, the design of pixel multitask flat-panel screens just in response to and give birth to.
Please refer to Fig. 1, it is the synoptic diagram of the pel array of known pixels multitask flat-panel screens.Please also refer to Fig. 2, it is the scanning voltage of flat-panel screens shown in Figure 1 and the sequential chart of data voltage.Pel array 100 adopts pixel multitask driving method, provides adjacent two pixels suitable data voltage by same data line.Below be to couple data line D
mAnd sweep trace G
nN pixel column L
nAdjacent two pixel A and B be example pixels illustrated multitask driving method.At first, during the sequential of t0 to t1, utilize N level sweep trace G
nScanning voltage V is provided
nTo n pixel column Ln,, and utilize N+1 level sweep trace G with the thin film transistor (TFT) M2 of conducting correspondence
N+1Scanning voltage V is provided
N+1Thin film transistor (TFT) M2 via conducting exports corresponding thin film transistor (TFT) M1 to, with conducting membrane transistor M1 and with corresponding data line D
mData voltage D1 export corresponding pixel A to.In addition, N level sweep trace G
nThe scanning voltage V of output
nThe thin film transistor (TFT) M3 of conducting correspondence, and with corresponding data line D
mData voltage D
1Export pixel B to.Wherein, scanning voltage V
nEqual scanning voltage V in fact
N+1
Yet according to the characteristic of thin film transistor (TFT), when thin film transistor (TFT) M2 conducting, the grid voltage that is exported to transistor M1 by thin film transistor (TFT) M2 is not to equal sweep trace G
N+1The scanning voltage V that is provided
N+1, but than the low transistorized critical voltage value (ThresholdVoltage) (for example being 5V) of scanning voltage Vn+1, that is grid voltage=20V-5V=15V of transistor M1.In addition, the grid voltage of transistor M3 equals the scanning voltage Vn=20V of sweep trace Gn.That is to say, during the sequential of t0 to t1, pixel A and B receive data voltage D1 when charging because the grid voltage of thin film transistor (TFT) M1 (=15V) in fact less than the grid voltage of thin film transistor (TFT) M3 (=20V), make that the charging ability of pixel A is poorer than the charging ability of pixel B.And, also can cause the phenomenon of picture flicker of flat-panel screens owing to the inequality of charging ability between two pixel A and B.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of image element driving method and flat-panel screens thereof.Can effectively solve owing to flat-panel screens adopts the type of drive of pixel multitask and cause the problem of Voltage unbalance between the pixel, make phenomenon of picture flicker that significant improvement be arranged.
According to purpose of the present invention, a kind of scanning drive method is proposed, be used in flat-panel screens.At first, in during first sequential, utilize N level sweep trace to provide first scanning voltage to pixel column, thin film transistor (TFT) with the conducting correspondence, and utilize the N+1 level to provide second scanning voltage to export the first corresponding switch to via the thin film transistor (TFT) of conducting, export the first corresponding pixel electrode to conducting first switch and with first data voltage of corresponding data line.Wherein, the absolute difference of first scanning voltage and second scanning voltage is not less than the critical voltage value of thin film transistor (TFT).Then, in during second sequential, N level sweep trace provides the 3rd scanning voltage to thin film transistor (TFT) and the second switch of pixel column with the conducting correspondence, N+1 level sweep trace is exported the 4th scanning voltage and is exported the first corresponding switch to close first switch via the thin film transistor (TFT) of conducting, and the second switch of conducting simultaneously exports second data voltage of corresponding data line to corresponding second pixel electrode.
According to purpose of the present invention, a kind of flat-panel screens is proposed, it comprises a substrate and a plurality of pixel.These a little pixels all comprise first sub-pixel and second sub-pixel.First sub-pixel comprises first pixel electrode, first switch and thin film transistor (TFT).Second sub-pixel comprises second pixel electrode and second switch.Wherein, in during first sequential, N level sweep trace is exported the thin film transistor (TFT) of the so far a little pixel pixel columns wherein of first scanning voltage with the conducting correspondence, and N+1 level sweep trace is exported second scanning voltage exports correspondence to via the thin film transistor (TFT) of conducting first switch, export the first corresponding pixel electrode to conducting first switch and with first data voltage that corresponding data line is exported, and the absolute difference of first scanning voltage and second scanning voltage is not less than the critical voltage value of thin film transistor (TFT).During second sequential, N level sweep trace provides the 3rd scanning voltage to thin film transistor (TFT) and the second switch of pixel column with the conducting correspondence, N+1 level sweep trace is exported the 4th scanning voltage and is exported the first corresponding switch to close first switch via the thin film transistor (TFT) of conducting, and the second switch of conducting simultaneously exports second data voltage of corresponding data line to corresponding second pixel electrode.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 shows the synoptic diagram of the array of pixels of known pixels multitask flat-panel screens.
Fig. 2 shows the scanning voltage of flat-panel screens shown in Figure 1 and the sequential chart of data voltage.
Fig. 3 shows the synoptic diagram according to the pixel multitask flat-panel screens of a preferred embodiment of the present invention.
Fig. 4 shows the electrical block diagram according to pixel in the viewing area 310 of Fig. 3.
Fig. 5 shows the sequential chart according to sweep trace among Fig. 4 and data line.
Fig. 6 shows according to the sweep trace of circuit software emulation embodiment of the invention gained and the sequential chart of data line.
Fig. 7 shows another embodiment according to the sweep trace of preferred embodiment of the present invention and data line sequential chart.
Fig. 8 shows the electrical block diagram according to the another kind of pixel of the embodiment of the invention.
Fig. 9 shows the sequential chart according to data line among Fig. 8 and sweep trace.
The reference numeral explanation
10: the first pixel electrodes
20: the first switches
30: thin film transistor (TFT)
40: the second pixel electrodes
50: second switch
100,800: pel array
300: flat-panel screens
310: the viewing area
312: substrate
320: scan drive circuit
330: data drive circuit
Embodiment
Please refer to Fig. 3, it shows the synoptic diagram according to the pixel multitask flat-panel screens of a preferred embodiment of the present invention.Flat-panel screens 300 for example is a kind of LCD, and it comprises substrate 312, scan drive circuit 320 and data drive circuit 330.Substrate 312 is provided with multi-strip scanning line G, many data line D and viewing area (Display Area) 310.Viewing area 310 is in order to showing a picture, and viewing area 310 comprises multiple row pixel (not shown in figure).Scan drive circuit 320 and data drive circuit 330 are coupled to viewing area 310 via sweep trace G and data line D respectively.In normal driving mode, scan drive circuit 320 passes through sweep trace G output scanning voltage to substrate 312, with the pixel of activation correspondence.Data drive circuit 330 is via the data voltage of data line D output, with the display pixel video picture.
Please refer to Fig. 4, it shows the electrical block diagram of pixel in the viewing area 310 of Fig. 3.In viewing area 310, all pixel P include the first sub-pixel P1 and the second sub-pixel P2, next just with N row pixel L
nIn couple data line D
mAnd sweep trace G
nPixel P be that example explains.The first sub-pixel P1 comprises first pixel electrode 10, first switch 20 and thin film transistor (TFT) 30.The second sub-pixel P2 comprises second pixel electrode 40 and second switch 50.First switch 20, thin film transistor (TFT) 30 for example are all a N type metal oxide semiconductor (N-type Metal OxideSemiconductor, NMOS) field-effect transistor with second switch 50.In the first sub-pixel P1, first switch 20 is coupled to first pixel electrode 10 and corresponding data line D
m, and thin film transistor (TFT) 30 is coupled to corresponding N level sweep trace G
n, N+1 level sweep trace G
N+1With first switch 20.In the second sub-pixel P2, second switch 50 is coupled to second pixel electrode 40, data line D
mWith N level sweep trace G
nNext will describe the problem how embodiment of the invention solves the film flicker of pixel multitask display that type of drive causes in detail.
Please refer to Fig. 5, it shows data line D among Fig. 4
mWith sweep trace G
n, G
N+1Sequential chart.During the sequential of t0 to t1, N level sweep trace G
nExport the first scanning voltage V
1To N pixel column L
nThin film transistor (TFT) 30 with the conducting correspondence.While N+1 level sweep trace G
N+1Export the second scanning voltage V
2Thin film transistor (TFT) 30 via conducting exports the first corresponding switch 20 to, with conducting first switch 20 and with corresponding data line D
mThe first data voltage D of output
1Export the first corresponding pixel electrode 10 to, and show corresponding pixel image according to this.In addition, N level sweep trace G
nThe first scanning voltage V of output
1The second switch 50 of conducting correspondence, and with respective data lines D
mThe first data voltage D
1Export second pixel electrode 40 to.It should be noted that the first scanning voltage V
1Value greater than the second scanning voltage V
2The critical voltage value Vh (for example 5V) of (for example being 20V) at least one thin film transistor (TFT) 30.That is V
1〉=V
2+ Vh.
Then, during the sequential of t1 to t2 in, N level sweep trace G
nThe 3rd scanning voltage V is provided
3To N pixel column L
nWith the thin film transistor (TFT) 30 and the second switch 50 of conducting correspondence, wherein the 3rd scanning voltage V
3Equal the second scanning voltage V in fact
2While N+1 level sweep trace G
N+1Export the 4th scanning voltage V
4(for example being 0V) exports the first corresponding switch 20 to close first switch 20 via the thin film transistor (TFT) 30 of conducting, and the second switch 50 of conducting simultaneously is with corresponding data line D
mThe second data voltage D2 export the second corresponding pixel electrode 40 to, and show corresponding pixel image according to this.
As mentioned above, the film flicker problem that is caused for the charging ability inequality that overcomes adjacent two pixels in the known pixels multitask flat-panel screens, in present embodiment, the first scanning voltage V
1Exceed the second scanning voltage V
2At least one critical voltage Vh, make during the sequential of t0 to t1 in the first scanning voltage V
1Conducting membrane transistor 30 fully, and by the thin film transistor (TFT) 30 outputs second scanning voltage V
2(=20V) is to open first switch 20 with data voltage D
1Input to first pixel electrode 10.And in during the sequential of t1 to t2, the 3rd scanning voltage V
3The conducting of (=20V) second switch 50 and with data voltage D
2Input to second pixel electrode 40.Therefore, the grid voltage of first switch (transistor) 20 equals the grid voltage of second switch (transistor) 50 in fact, and the sub-pixel P1 that wins is equated with the charging ability of the second sub-pixel P2, has effectively avoided known film flicker problem.
Then, during the sequential of t2 to t3 in, continue the pixel P of scanning (N+1) pixel column, and by (N+1) level sweep trace G
N+1Export the first scanning voltage V1 and drive each pixel P.At this moment, N level sweep trace G
nExport the 5th scanning voltage V
5(for example being 0V) is to close corresponding thin film transistor (TFT) 30 and second switch 50.
Please refer to Fig. 6, it is for to come the sweep trace of diplomatic copy inventive embodiments gained and the sequential chart of data line with circuit simulating software.The data presentation that draws according to software emulation is as the first scanning voltage V
1Be set at 25V, and the second scanning voltage V
2And the 3rd scanning voltage V
3When being all 20V, the gate voltage values of the gate voltage values of first switch (transistor) 20 and second switch (transistor) 50 is all about 20V, so that the first sub-pixel P1 and the identical charging ability of the second sub-pixel P2 to be provided.
In the application of reality, pixel multitask driving method of the present invention is not limited to the above embodiments, can adjust the sequential of data voltage and data voltage according to actual demand.Please refer to Fig. 7, it is for the sweep trace G of preferred embodiment of the present invention
n, G
N+1And data line D
mAnother example of sequential chart.Compared to Fig. 5, work as sweep trace G in time t0
nAnd G
N+1Difference output scanning voltage V
1And V
2The time, data line D
mSystem has postponed just output data voltage D of a period of time Δ t1
1, and work as sweep trace G in time t2
nOutput scanning voltage V
5And sweep trace G
N+1Output scanning voltage V
1The time data line D
mPostpone a period of time Δ t2 and just replied low voltage level (for example 0V).As long as time Δ t1 and Δ t2 are unlikely the normal pixel image of influence to show within a tolerable scope, also can reach the above-mentioned problem of avoiding film flicker.
As mentioned above, though turntable driving mode of the present invention with the first scanning voltage V
1And the second scanning voltage V
2Be all high level voltage, and the first scanning voltage V
1Greater than the second scanning voltage V
2At least one critical voltage value is that example explains, and right thin film transistor (TFT) 30 of the present invention, first switch 20 and second switch 50 also can be the PMOS transistors, the first scanning voltage V
1And the second scanning voltage V
2Be low level voltage, even the second scanning voltage V
2With the 3rd scanning voltage V
3Also can be unequal, as long as the first scanning voltage V
1With the second scanning voltage V
2Absolute difference be not less than the critical voltage value of pixel transistor and the second scanning voltage V
2And the 3rd scanning voltage V
3All be enough to complete conducting first switch 20 and second switch 50, can reach the purpose that the first sub-pixel P1 and the identical charging ability of the second sub-pixel P2 is provided and then avoids film flicker, therefore neither disengaging technical scope of the present invention.
Preferably, pixel multitask type of drive of the present invention also can be used for the structure of shared same the data line of pixel more than two.Please refer to Fig. 8, it shows the electrical block diagram of the another kind of pixel of the embodiment of the invention.Please also refer to Fig. 9, it shows data line D among Fig. 8
mWith sweep trace G
n, G
N+1, G
N+2, G
N+3, G
N+4With G
N+5Sequential chart.N row pixel L in pel array 800
nIn, pixel X, pixel Y and pixel Z are coupled to sweep trace G by thin film transistor (TFT) M81～M85 respectively
N+1～G
N+3, and pixel X, pixel Y and pixel Z shared data line D
mDuring the sequential of t0 to t1, sweep trace G
N+1With G
N+3Scanning voltage V is provided respectively
1With V
2, make data line D
mData voltage export corresponding pixel X to.During the sequential of t1 to t2, sweep trace G
N+1With sweep trace G
N+2Scanning voltage V is provided respectively
3With V
4, make data line D
mData voltage export corresponding pixel Y to.During the sequential of t2 to t3, sweep trace G only
N+1Output scanning voltage V
5, make data line D
mData voltage export corresponding pixel Z to.Wherein, scanning voltage V
2, V
4With V
5Equal in fact, and scanning voltage V
1And V3 is at least greater than scanning voltage V
2(for example being 20V) at least one critical voltage value Vh (for example 5V), i.e. V
1〉=V
2+ Vh.Critical voltage value Vh is the gate voltage values of thin film transistor (TFT), in order to allow scanning voltage V
1Reach V3 conducting membrane transistor M82 and M85 fully, make pixel X, pixel Y equate, avoid the problem of film flicker in the past effectively with the charging ability of pixel Z.
Disclosed turntable driving mode of the above embodiment of the present invention and flat-panel screens thereof adopt pixel multitask type of drive, by the scanning voltage of adjusting the adjacent two-stage scanning stage that drives same pixel, make the previous stage scanning voltage and the absolute difference of back one-level scanning voltage be not less than the critical voltage value of pixel transistor, can make adjacent two sub-pixels of same pixel reach identical charging ability, and then improve the problem of the film flicker of known flat-panel screens.
In sum, though the present invention discloses as above with a preferred embodiment, so it is not in order to limit the present invention.Those skilled in the art can be used for a variety of modifications and variations under the premise without departing from the spirit and scope of the present invention.Therefore, protection scope of the present invention is as the criterion with claim of the present invention.
Claims (15)
1. scanning drive method, be used in a flat-panel screens, this flat-panel screens comprises a plurality of pixels, multilevel scanning line and many data lines, described pixel comprises one first sub-pixel and one second sub-pixel, described first sub-pixel comprises one first pixel electrode, one first switch and a thin film transistor (TFT), described second sub-pixel comprises one second pixel electrode and a second switch, this of described pixel first switch couples this first pixel electrode and this corresponding data line, this film crystal piping of described pixel couples corresponding this grade sweep trace, next stage sweep trace and this first switch, this second switch system of described pixel couples this second pixel electrode, corresponding this grade sweep trace and this data line, this scanning drive method comprises:
During one first sequential, utilize this grade sweep trace to provide one first scanning voltage to a described pixel pixel column wherein, described thin film transistor (TFT) with the conducting correspondence, and utilize the next stage sweep trace to provide one second scanning voltage to export corresponding described first switch to via the described thin film transistor (TFT) of conducting, export corresponding described first pixel electrode to described first switch of conducting and with a plurality of first data voltages of the described data line of correspondence, wherein the absolute difference of this first scanning voltage and this second scanning voltage is not less than a critical voltage value of described thin film transistor (TFT); And
During one second sequential, utilize this grade sweep trace to provide one the 3rd scanning voltage to this pixel column, described thin film transistor (TFT) and described second switch with the conducting correspondence, and utilizing the next stage sweep trace to provide one the 4th scanning voltage to export corresponding described first switch to close described first switch via the described thin film transistor (TFT) of conducting, the described second switch that utilizes conducting simultaneously exports a plurality of second data voltages of the described data line of correspondence to corresponding described second pixel electrode.
2. scanning drive method as claimed in claim 1, in also being included in during this first sequential, utilize the described second switch of this first scanning voltage conducting correspondence that this grade sweep trace provided, and export described first data voltage of the described data line of correspondence to described second pixel electrode.
3. scanning drive method as claimed in claim 1, also be included in during one the 3rd sequential in, utilize this grade sweep trace to provide one the 5th scanning voltage, to close corresponding described thin film transistor (TFT) and described second switch to this pixel column.
4. scanning drive method as claimed in claim 3, wherein this first scanning voltage and this second scanning voltage are all a high level voltage, and the difference of this first scanning voltage and this second scanning voltage equals this critical voltage value.
5. scanning drive method as claimed in claim 4, wherein the 4th scanning voltage and the 5th scanning voltage are all a low level voltage, and the 4th scanning voltage equals the 5th voltage.
6. scanning drive method as claimed in claim 5, wherein the 3rd scanning voltage equals this second scanning voltage.
7. scanning drive method as claimed in claim 1, this thin film transistor (TFT) of wherein said pixel, this first switch and this second switch are all metal oxide semiconductcor field effect transistor.
8. flat-panel screens comprises:
One substrate comprises multilevel scanning line and many data lines;
One viewing area comprises a plurality of pixels, is arranged on this substrate, and is coupled to described level sweep trace and described data line accordingly, and described pixel comprises:
One first sub-pixel comprises:
One first pixel electrode;
One first switch is coupled to this first pixel electrode and this corresponding data line; And
One thin film transistor (TFT) is coupled to corresponding this grade sweep trace, next stage sweep trace and this first switch;
One second sub-pixel comprises:
One second pixel electrode; And
One second switch is coupled to this second pixel electrode, corresponding this data line and this grade sweep trace;
Wherein, in during one first sequential, this grade sweep trace is exported one first scanning voltage to the described thin film transistor (TFT) of a described pixel pixel column wherein with the conducting correspondence, the next stage sweep trace is exported one second scanning voltage exports correspondence to via the described thin film transistor (TFT) of conducting described first switch, export corresponding described first pixel electrode to described first switch of conducting and with a plurality of first data voltages of the described data line output of correspondence, and the absolute difference of this first scanning voltage and this second scanning voltage is not less than a critical voltage value of described thin film transistor (TFT);
Wherein, in during one second sequential, this grade sweep trace provides one the 3rd scanning voltage to described thin film transistor (TFT) and the described second switch of this pixel column with the conducting correspondence, the next stage sweep trace is exported one the 4th scanning voltage and is exported corresponding described first switch to close described first switch via the described thin film transistor (TFT) of conducting, and the described second switch of conducting simultaneously exports a plurality of second data voltages of the described data line of correspondence to corresponding described second pixel electrode.
9. flat-panel screens as claimed in claim 8, in wherein during this first sequential, this first scanning voltage conducting of this grade sweep trace output is to described second switch that should pixel column, and exports described first data voltage of the described data line of correspondence to described second pixel electrode.
10. flat-panel screens as claimed in claim 8, wherein during one the 3rd sequential in, this grade scanning linear system is exported one the 5th scanning voltage to this pixel column, to close corresponding described thin film transistor (TFT) and described second switch.
11. flat-panel screens as claimed in claim 10, wherein the difference of this first scanning voltage and this second scanning voltage equals this critical voltage value.
12. device as claimed in claim 11, wherein the 4th scanning voltage equals the 5th scanning voltage.
13. flat-panel screens as claimed in claim 12, wherein the 3rd scanning voltage equals this second scanning voltage.
14. flat-panel screens as claimed in claim 8, this thin film transistor (TFT) of wherein said pixel, this first switch and this second switch are all metal oxide semiconductcor field effect transistor.
15. flat-panel screens as claimed in claim 8 is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100770011A CN100414365C (en) | 2006-04-25 | 2006-04-25 | Scanning driving method and its two-dimensional display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100770011A CN100414365C (en) | 2006-04-25 | 2006-04-25 | Scanning driving method and its two-dimensional display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1831914A true CN1831914A (en) | 2006-09-13 |
| CN100414365C CN100414365C (en) | 2008-08-27 |
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|---|---|---|---|
| CNB2006100770011A Expired - Fee Related CN100414365C (en) | 2006-04-25 | 2006-04-25 | Scanning driving method and its two-dimensional display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915693A (en) * | 2012-08-09 | 2013-02-06 | 友达光电股份有限公司 | Display panel |
| CN103489418A (en) * | 2013-06-03 | 2014-01-01 | 友达光电股份有限公司 | Driving method of display panel, display panel and grid driving circuit |
| CN104882101A (en) * | 2014-02-28 | 2015-09-02 | 奕力科技股份有限公司 | Liquid crystal display apparatus and driving method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05188395A (en) * | 1992-01-14 | 1993-07-30 | Toshiba Corp | Liquid crystal display element |
| JP3091300B2 (en) * | 1992-03-19 | 2000-09-25 | 富士通株式会社 | Active matrix type liquid crystal display device and its driving circuit |
| KR100291770B1 (en) * | 1999-06-04 | 2001-05-15 | 권오경 | Liquid crystal display |
| CN1173323C (en) * | 2000-12-07 | 2004-10-27 | 国际商业机器公司 | Image display unit, image display equipment and image display unit driving method |
| AU2002357625A1 (en) * | 2002-01-17 | 2003-07-30 | International Business Machines Corporation | Display device, scanning line driver circuit |
| JP2005156661A (en) * | 2003-11-21 | 2005-06-16 | Sharp Corp | Liquid crystal display and drive circuit, and driving method thereof |
-
2006
- 2006-04-25 CN CNB2006100770011A patent/CN100414365C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915693A (en) * | 2012-08-09 | 2013-02-06 | 友达光电股份有限公司 | Display panel |
| CN103489418A (en) * | 2013-06-03 | 2014-01-01 | 友达光电股份有限公司 | Driving method of display panel, display panel and grid driving circuit |
| CN103489418B (en) * | 2013-06-03 | 2015-12-09 | 友达光电股份有限公司 | Driving method of display panel, display panel and grid driving circuit |
| CN104882101A (en) * | 2014-02-28 | 2015-09-02 | 奕力科技股份有限公司 | Liquid crystal display apparatus and driving method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100414365C (en) | 2008-08-27 |
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