CN103676394A - Electronic paper display device, display device and driving method thereof - Google Patents
Electronic paper display device, display device and driving method thereof Download PDFInfo
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- CN103676394A CN103676394A CN201210409398.5A CN201210409398A CN103676394A CN 103676394 A CN103676394 A CN 103676394A CN 201210409398 A CN201210409398 A CN 201210409398A CN 103676394 A CN103676394 A CN 103676394A
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- 238000000034 method Methods 0.000 title claims description 24
- 230000007704 transition Effects 0.000 claims abstract description 112
- 239000007787 solid Substances 0.000 claims description 30
- 239000003086 colorant Substances 0.000 claims description 26
- 238000001962 electrophoresis Methods 0.000 description 15
- 239000002245 particle Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 239000003094 microcapsule Substances 0.000 description 7
- 230000005684 electric field Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
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Abstract
The present invention relates to a display device including: the display panel comprises a common electrode and a pixel electrode; a data driving circuit; a common voltage generating circuit. The data driving circuit provides a first data voltage corresponding to image data output by the image system to the pixel electrode, and the common voltage generating circuit provides a first common voltage to the common electrode so that the display panel displays a corresponding image picture; the data driving circuit provides a second data voltage to the pixel electrode before displaying an image frame different from a previous image frame, the common voltage generating circuit provides a second common voltage to the common electrode, and the absolute value of the difference between the second data voltage and the second common voltage is larger than the absolute value of the difference between the second data voltage and the first common voltage, so that the display device displays a transition frame with a preset gray scale to clear the previous image frame. The display device has a fast frame updating speed.
Description
Technical field
The present invention relates to a kind of display device and driving method thereof, relate in particular to display device of electronic paper and driving method thereof.
Background technology
Display device, as display device of electronic paper,, lower power consumption flexible owing to having and contrast be compared with advantages of higher, and it is now more and more popular and become gradually the main flow electronic product for popular reading information.Display device of electronic paper generally includes the assemblies such as internal storage location, control module, driver element and electronic paper display panel.This control module is electrically connected to this internal storage location and this driver element.This driver element is further electrically connected to this electronic paper display panel.
When the picture of described display device of electronic paper need to upgrade, the picture that this control module is direct older and new picture, and be present in the output waveform table in this internal storage location according to result queries relatively, to control this driver element, export required waveform to this electronic paper display panel and obtain required new picture.
Suppose take that 16 GTG systems are example, because the GTG of old picture has 16 kinds of possibilities, the GTG of new picture also has 16 kinds of possibilities, therefore, becomes new picture just have the variation combination that 16 * 16=256 kind is possible from old picture, also needs 256 kinds of drive waveforms.Correspondingly, when this display device of electronic paper carries out frame updating, the color particle in this electronic paper display panel need to could migrate to the corresponding position of target gray scale from current location through the driving of several pictures.Visible, adopt the display device of electronic paper of above-mentioned type of drive to carry out the required time of frame updating longer.
Summary of the invention
For solving prior art, show the slow technical matters of frame updating filling, be necessary to provide a kind of display device of frame updating speed.
The slow technical matters of frame updating that shows dress for solving prior art Electronic Paper, is necessary to provide a kind of display device of electronic paper of frame updating speed of display device.
The slow technical matters of frame updating that shows dress for solving prior art, is necessary to provide a kind of driving method of display device of frame updating speed.
The invention provides a kind of display device of electronic paper, this display device of electronic paper receives the image data that picture system is exported, and shows corresponding picture according to received image data, and this display device of electronic paper comprises:
Electronic paper display panel, this electronic paper display panel comprises public electrode and a plurality of pixel electrode;
Data drive circuit, this data drive circuit is used for providing data voltage to the plurality of pixel electrode;
Public voltage generating circuit, this public voltage generating circuit is used for providing common electric voltage to this public electrode;
Wherein, this data drive circuit provides first data voltage corresponding with this image data to the plurality of pixel electrode, accordingly, this public voltage generating circuit provides the first common electric voltage to this public electrode, so that this electronic paper display panel shows and the corresponding image frame of this image data; This data drive circuit provided the second data voltage to the plurality of pixel electrode before showing the different image frame of image frame last with it, accordingly, this public voltage generating circuit provides the second common electric voltage to this public electrode, the absolute value of the difference of this second common electric voltage and this second data voltage is greater than the absolute value of the difference of this first common electric voltage and this second data voltage, so that this display device of electronic paper shows that the transition picture of predetermined GTG is to remove this last image frame.
The invention provides a kind of display device, this display device receives the image data that picture system is exported, and shows corresponding picture according to received image data, and this display device comprises:
Display panel, this display panel comprises public electrode and a plurality of pixel electrode;
Data drive circuit, this data drive circuit is used for providing data voltage to the plurality of pixel electrode;
Public voltage generating circuit, this public voltage generating circuit is used for providing common electric voltage to this public electrode;
Wherein, this data drive circuit provides first data voltage corresponding with this image data to the plurality of pixel electrode, accordingly, this public voltage generating circuit provides the first common electric voltage to this public electrode, so that this display panel shows and the corresponding image frame of this image data; This data drive circuit provided the second data voltage to the plurality of pixel electrode before showing the different image frame of image frame last with it, accordingly, this public voltage generating circuit provides the second common electric voltage to this public electrode, the absolute value of the difference of this second common electric voltage and this second data voltage is greater than the absolute value of the difference of this first common electric voltage and this second data voltage, so that this display device shows that the transition picture of predetermined GTG is to remove this last image frame.
The invention provides a kind of driving method of display device, wherein, this display device comprises public electrode and a plurality of pixel electrode, and this driving method comprises:
Provide an image data to this display device;
Provide first data voltage corresponding with this image data to the plurality of pixel electrode, accordingly, provide the first common electric voltage to this public electrode, so that this display device shows and the corresponding image frame of this image data;
Before the different image frame of demonstration image frame last with it, provide the second data voltage to the plurality of pixel electrode, accordingly, provide the second common electric voltage to this public electrode, the absolute value of the difference of this second common electric voltage and this second data voltage is greater than the absolute value of the difference of this first common electric voltage and this second data voltage, so that this display device shows that the transition picture of predetermined GTG is to remove this last image frame.
Display device of electronic paper compared to prior art, display device of electronic paper of the present invention and driving method thereof provide this second common electric voltage to this public electrode, the absolute value of the difference of this second common electric voltage and this second data voltage is greater than the absolute value of the difference of this first common electric voltage and this second data voltage, so that this display device of electronic paper shows the transition picture of predetermined GTG.Due to when making this display device of electronic paper show the transition picture of predetermined GTG, the cramping of this public electrode and each pixel electrode is larger, therefore makes the translational speed of this demonstration medium layer very fast, thereby reduces the time of removing last image frame.Similarly, display device of the present invention and driving method thereof also can reduce the time of removing last image frame.
Accompanying drawing explanation
Fig. 1 is the circuit box structure schematic diagram of display device of electronic paper of the present invention.
Fig. 2 is the part cross-sectional view of the electronic paper display panel of display device of electronic paper shown in Fig. 1.
Fig. 3 is the arrangement schematic diagram of the display unit of the electronic paper display panel of display device of electronic paper shown in Fig. 1.
Fig. 4 is the drive waveforms of display device of electronic paper shown in Fig. 1 and the schematic diagram of corresponding display frame.
Fig. 5 is the process flow diagram of the driving method of display device of electronic paper shown in Fig. 1.
Main element symbol description
| Display device of |
1 | |
2 |
| Electronic |
10 | |
12 |
| |
14 | |
16 |
| Public |
18 | |
20 |
| |
31、32 | Complete |
33 |
| Gridiron |
34、35 | Complete |
36 |
| Sweep |
102 | |
104 |
| Switch | 106 | |
108 |
| |
110 | |
112 |
| |
112a | The |
112b |
| The |
112c | Control end | 106a |
| The first conduction terminal | 106b | The second conduction terminal | 106c |
| First shows group | 201 | Second shows group | 203 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.The present embodiment be take display device of electronic paper and driving method thereof and is described as example, and the present invention also can be applied to the display device of other applicable type.
See also Fig. 1 and Fig. 2, Fig. 1 is the circuit block diagram of the present embodiment display device of electronic paper.Fig. 2 is the cut-away section structural representation of the present embodiment display device of electronic paper.This display device of electronic paper 1 comprises electronic paper display panel 10, sequential control circuit 12, scan drive circuit 14, data drive circuit 16 and public voltage generating circuit 18.This sequential control circuit 12 is connected respectively with this scan drive circuit 14, this data drive circuit 16 and this public voltage generating circuit 18.This sequential control circuit 12 receives the image data of a picture system 2, and produces corresponding data-signal and control signal according to this image data.This scan drive circuit 14 provides corresponding sweep signal to this electronic paper display panel 10 according to this control signal correspondence.This data drive circuit 16 provides corresponding data voltage to this electronic paper display panel 10 according to this data-signal.This public voltage generating circuit 18 provides corresponding common electric voltage to this electronic paper display panel 10 according to this control signal.
This electronic paper display panel 10 comprises that many sweep traces that are parallel to each other 102, many are parallel to each other and and crossing data line 104, a plurality of switch 106, a plurality of pixel electrode 108, the public electrode 110 at this sweep trace 102 and this data line 104 infalls of these multi-strip scanning line 102 insulation and be sandwiched in the demonstration medium layer 112 (seeing Fig. 2) between the plurality of pixel electrode 108 and this public electrode 110.This demonstration medium layer 112 is bonded between this public electrode 110 and the plurality of pixel electrode 108 by bonding agent.In this enforcement, this demonstration medium layer 112 is that bistable state electrophoresis shows medium layer, and adopts microcapsules formula electrophoresis showed medium layer.This electrophoresis showed medium layer 112 comprises a plurality of microcapsules 112a, is packaged with a plurality of the first electrophoresis particle 112b, a plurality of the second electrophoresis particle 112c and transparency liquid (not indicating) in each microcapsules 112a.The plurality of the first electrophoresis particle 112b has different electricity and optical characteristics from the plurality of the second electrophoresis particle 112c.According to the voltage putting between this pixel electrode 108 and this public electrode 110, in microcapsules 112a, there is displacement in this first electrophoresis particle 112b and this second electrophoresis particle 112c, by controlling the moving direction of corresponding this first electrophoresis particle 112b of control of direction of an electric field and this second electrophoresis particle 112c, and then control the shown content of display device of electronic paper 1.Must note, demonstration medium layer 112 of the present invention also can adopt other structure, and for example the liquid in these microcapsules 112a is black liquor, in these microcapsules 112a, white particles is only set.
This switch 106 comprises control end 106a, the first conduction terminal 106b and the second conduction terminal 106c.Preferably, this switch 106 is a thin film transistor (TFT) (Thin Film Transistor, TFT), and this control end 106a is grid, and this first conduction terminal 106b is source electrode, and this second conduction terminal 106c is drain electrode.Wherein, this control end 106a is connected to this scan drive circuit 14 by this sweep trace 102, and this first conduction terminal 106b is connected to this data drive circuit 16 by corresponding data line 104, and this second conduction terminal 106c is connected to this pixel electrode 108.This public electrode 110 is connected to this public voltage generating circuit 18.
Each pixel electrode 108 and these public electrode 110 definition one display units 20.In the present embodiment, this display device of electronic paper 1 adopts single-point inversion driving mode, and the shown picture color of each display unit 20 is different from the shown picture color of display unit 20 being adjacent.Refer to Fig. 3, Fig. 3 is the arrangement schematic diagram of the display unit 20 of this electronic paper display panel 10.According to the type of drive that in this enforcement, this Electronic Paper adopts, this display unit 20 shows group 203 by being divided into the first demonstration group 201 and second dividing of odd-numbered line and even number line.Wherein, this first shows that group 201 forms for the display unit 20 by odd-numbered line, and this second shows that group 203 forms for the display unit 20 by even number line.Variable ground, this first demonstration group 201 also can form for the display unit 20 by odd-numbered line, and this second demonstration group 203 also can form for the display unit 20 by even number line.Separately, can imagine that when this display device of electronic paper 1 adopts other type of drive, the multiple row display unit 20 on this electronic paper display panel 10 also can be divided otherwise in other change embodiment, and also can be divided into three even a plurality of demonstration groups.
Refer to Fig. 4, Fig. 4 is the drive waveforms of this display device of electronic paper 1 and the schematic diagram of corresponding display frame.Particularly, V1 shown in Fig. 4 is the corresponding two kinds of common electric voltages that are applied to this public electrode 110 of this public voltage generating circuit 18 with V2, is defined as respectively the first common electric voltage and the second common electric voltage.D1 and D2 are that data drive circuit 16 is applied to the first data voltage and the second data voltage on a certain data line 104.G1-G2n is that scan drive circuit 14 is applied to the sweep signal on this multi-strip scanning line 102.
The drive principle of this display device of electronic paper 1 is as follows:
This display device of electronic paper 1 receives the image data that picture system 2 is exported, and shows corresponding picture according to received image data.This data drive circuit 16 provides the first data voltage D1 corresponding with this image data to the plurality of pixel electrode 108, accordingly, this public voltage generating circuit 18 provides the first common electric voltage V1 to this public electrode 110, so that this electronic paper display panel 10 shows and the corresponding image frame of this image data; This data drive circuit 16 shows that at this display device of electronic paper 1 prerequisite of the image frame that image frame last with it is different supplies the second data voltage D2 to the plurality of pixel electrode 108, accordingly, this public voltage generating circuit 18 provides the second common electric voltage V2 to this public electrode 110, the absolute value of the difference of this second common electric voltage V2 and this second data voltage D2 is greater than the absolute value of the difference of this first common electric voltage V1 and this second data voltage D2, so that the transition picture that this display device of electronic paper 1 shows predetermined GTG is to remove this last image frame.
Wherein, the transition picture of described predetermined GTG comprises the transition picture of at least one single GTG.Separately, the transition picture of described single GTG may further be the transition picture of solid color.In the present embodiment, the transition picture of described at least one single GTG comprises the transition picture of the solid color that second colors is different.The GTG of the transition picture of the solid color that described second colors is different is identical.In other change embodiment, the GTG of the transition picture of the solid color that described second colors is different is different.Further, in the present embodiment, the transition picture of the solid color that described second colors is different is respectively black transition picture and white transition picture.For the transition picture of arbitrary solid color, the second common electric voltage V2 that this public voltage generating circuit 18 is applied to this public electrode 110 is constant voltage.Accordingly, for the transition picture of arbitrary solid color, the second data voltage D2 that this data drive circuit 16 is applied to the plurality of pixel electrode 108 is all identical.In addition, this public voltage generating circuit 18 applies the first identical common electric voltage V1 to this public electrode, drives this electronic paper display panel 10 to show each image frame.This first common electric voltage V1 is constant voltage.
Particularly, now take and at two adjacent and different image frames 31,32, insert four transition pictures and this four transition picture to be followed successively by a complete black transition picture 33, two gridiron pattern transition pictures 34,35 and a complete white transition picture 36 (seeing Fig. 4) be example, the drive principle of this display device of electronic paper 1 is described.Wherein, this gridiron pattern transition picture 34,35 is different from for the shown picture color of arbitrary display unit 20 picture that is adjacent the shown picture color of display unit 20.In other change embodiment, between two image frames 31,32, also can select only to insert the transition picture of other number, as a plurality of transition pictures such as 1,2.In addition, this gridiron pattern transition picture also can be other transition picture that comprises two kinds or above different colours.
When this display device of electronic paper 1 is updated to image frame 32 from show image picture 31, this sequential control circuit 12 according to from the received image data to should image frame 32 of this picture system 2, produce to should complete black transition picture 33, data-signal and the corresponding control signal of this two gridiron patterns transition picture 34,35, this complete white transition picture 36 and this image frame 32.Particularly, this data-signal comprises the first data-signal and the second data-signal, wherein, this first data-signal is to should image frame 32, this second data-signal to should complete black transition picture 33, two gridiron pattern transition pictures 34,35 and this complete white transition picture 36.This control signal comprises the first voltage control signal, second voltage control signal, the first scan control signal and the second scan control signal.
First, 12 outputs of this sequential control circuit control signal to this public voltage generating circuit 18 to the second data-signal to this data drive circuit 16, output the first scan control signal to this scan drive circuit 14 and output second voltage that should complete black transition picture 33.This scan drive circuit 14 applies sweep signal G1-G2n to each row display unit 20 on this electronic paper display panel 10, to activate successively the display unit 20 being connected with each sweep trace 102 successively according to the first scan control signal correspondence receiving.This data drive circuit 16 produces the second data voltage D2 according to the second data-signal correspondence receiving, and exports this second data voltage D2 to the pixel electrode 108 of each display unit 20 being activated by these many data lines 104.This public voltage generating circuit 18 produces the second common electric voltage V2 according to the second voltage control signal receiving is corresponding, and provides this second common electric voltage V2 to this public electrode 110.This second data voltage D2 is greater than this second common electric voltage V2.And the absolute value of the difference of this second common electric voltage V2 and this second data voltage D2 is greater than the absolute value of the difference of this first common electric voltage V1 and this second data voltage D2.Thereby this electronic paper display panel 10 shows the complete black transition picture of a single GTG.
The second, 12 outputs of this sequential control circuit to two different the second data-signals that should gridiron pattern transition picture 34 to this data drive circuit 16, output the second scan control signal to this scan drive circuit 14 and output the first voltage control signal to this public voltage generating circuit 18.This scan drive circuit 14 according to the second scan control signal receiving corresponding first simultaneously output scanning signal G1, G3 ..., each row display unit 20 in G2n-1 to the first demonstration group 201, and then simultaneously output scanning signal G2, G4 ..., each row display unit 20 in G2n to the second demonstration group 203.This public voltage generating circuit 18 produces the first common electric voltage V1 according to the first voltage control signal correspondence receiving, and provides this first common electric voltage V1 to this public electrode 110.Variable ground, this scan drive circuit 14 according to the second scan control signal receiving also can be corresponding first simultaneously output scanning signal G2, G4 ..., each row display unit 20 in G2n to the second demonstration group 203, and then simultaneously output scanning signal G1, G3 ..., each row display unit 20 in G2n-1 to the first demonstration group 201.This data drive circuit 16 produces two the second different data voltage D2 according to receive two different the second data-signals are corresponding, and exports this two different second data voltage D2 to these many data lines 104.Particularly, the second data voltage D2 that this data drive circuit 16 exports on this first same row display unit 20 showing in group 201 is identical, the the second data voltage D2 exporting on this second same row display unit 20 showing in group 203 is also identical, for this first same row display unit 20 showing in group 201 and this second demonstration group 203, the second data voltage that this data drive circuit 16 is exported is different, and in this two different second data voltage D2, the difference of one second data voltage D2 and this first common electric voltage V1 is greater than 0, the difference of another the second data voltage D2 and this first common electric voltage V1 is less than 0.That is, this first shows that group 201 is different with the color of same row display unit 20 shown pictures in this second demonstration group 203.Thereby this electronic paper display panel 10 shows a gridiron pattern transition picture.In the present embodiment, this first common electric voltage V1 is constant voltage, and this two different second data voltage D2 is identical with the absolute value of the difference of this first common electric voltage V1.
The 3rd, this gridiron pattern transition picture 35 is basic identical with the type of drive of this gridiron pattern transition picture 34, the two key distinction is: the second data voltage D2 that this data drive circuit 16 is applied on same display unit 20 is different, and wherein one second data voltage D2 and the formed electric field of this first common electric voltage V1 are for just, and another the second data voltage D2 and the formed electric field of this first common electric voltage V1 are for negative.In other words, the shown picture color of each display unit 20 on this gridiron pattern transition picture 35 from this gridiron pattern transition picture 34 and the shown picture color of same display unit 20 different, for example, the shown picture color of a display unit 20 on this gridiron pattern transition picture 35 is white, and the shown picture color of same display unit 20 on this gridiron pattern transition picture 34 is black.Repeat no more the type of drive of this gridiron pattern transition picture 35 herein.
The 4th, this complete white transition picture 36 is basic identical with the type of drive of this complete black transition picture 33, the two key distinction is: first, for the black-to- white transition picture 33,36 of the different solid color of this second colors, the second common electric voltage V2 that these public voltage generating circuit 18 correspondences are applied to respectively this public electrode 110 is different.In the present embodiment, this public voltage generating circuit 18 applies two different the second common electric voltage V2 to this public electrode 110, with correspondence, drives this electronic paper display panel 10 to show the transition picture 33,36 of the solid color that described black-white colors is different.Wherein, one second common electric voltage V2 in this two different second common electric voltage V2 and the difference of this first common electric voltage V1 are greater than 0, and the difference of another the second common electric voltage V2 and this first common electric voltage V1 is less than 0.
Further, for the black-to- white transition picture 33,36 of the different solid color of this second colors, the second data voltage D2 that this data drive circuit 16 is applied to the plurality of pixel electrode 108 is all different.The type of drive of this complete white transition picture 36 is also repeated no more herein.
The 5th, when above-mentioned four transition pictures all show complete after, this sequential control circuit 12 start output to the first data-signal that should image frame 32 to this data drive circuit 16, export this first scan control signal to this scan drive circuit 14 and export this first voltage control signal to this public voltage generating circuit 18.This scan drive circuit 14 applies sweep signal to each row display unit 20 on this electronic paper display panel 10 successively according to this first scan control signal correspondence.This data drive circuit 16 produces the first data voltage D1 and exports this first data voltage D1 to the plurality of pixel electrode 108 according to this first data-signal is corresponding.This public voltage generating circuit 18 provides this first common electric voltage V1 to this public electrode 110 according to this first voltage control signal correspondence.Thereby this electronic paper display panel 10 shows the image frame of a corresponding image data.
As shown in the above, this display device of electronic paper 1 provides this second common electric voltage V2 to this public electrode 110, the absolute value of the difference of this second common electric voltage V2 and this second data voltage D2 is greater than the absolute value of the difference of this first common electric voltage V1 and this second data voltage D2, so that this display device of electronic paper 1 shows the transition picture of predetermined GTG.Due to when making this display device of electronic paper 1 show the transition picture of predetermined GTG, this public electrode 110 is larger with the cramping of each pixel electrode 108, therefore make the translational speed of the plurality of the first electrophoresis particle 112b and the plurality of the second electrophoresis particle 112c very fast, thereby reduce the time of removing last image frame.
Secondly, when this Electronic Paper demonstration one comprises the transition picture of two kinds of different colours, this scan drive circuit 14 is selected first to activate this first demonstration group 201 and second simultaneously and is shown each display unit 20 showing in group in group 203, the second data voltage D2 that these data drive circuit 16 correspondences are exported is applied on the pixel electrode 108 of each display unit 20 being first simultaneously activated simultaneously, and the second data voltage D2 applying for the display unit 20 of same row is identical.This scan drive circuit 14 and then activate another simultaneously and show each display unit 20 in group, on the pixel electrode 108 of each display unit 20 being simultaneously activated after the second data voltage D2 that next this data drive circuit 16 exported is applied to simultaneously again, and the second data voltage D2 applying for the display unit 20 of same row is identical, and the second data voltage D2 applying for the same row display unit 20 in this first demonstration group 201 and the second demonstration group 203 is different, and be greater than 0 with one of formed two differences of this first common electric voltage V1, another difference is less than 0.Visible, compared to previous display device of electronic paper demonstration gridiron pattern transition picture, adopt and apply successively sweep signal to the type of drive of each row display unit, the gridiron pattern transition picture 34 that display device of electronic paper 1 of the present invention is shown and 35 time are shorter, thereby further reduce the time of removing image frame 31.
Refer to Fig. 5, the driving method process flow diagram that Fig. 5 is display device of electronic paper.This electronic display unit comprise public electrode, a plurality of pixel electrode and be sandwiched in the plurality of pixel electrode and this public electrode between demonstration medium layer, this driving method comprises:
Step S1: provide an image data to this display device of electronic paper.
Step S2: provide first data voltage corresponding with this image data to the plurality of pixel electrode, accordingly, provide the first common electric voltage to this public electrode, so that this display device of electronic paper shows and the corresponding image frame of this image data.
In the present embodiment, provide identical the first common electric voltage to this public electrode, drive this display device of electronic paper to show each image frame.This first common electric voltage is constant voltage.
Step S3: before the different image frame of demonstration image frame last with it, provide the second data voltage to the plurality of pixel electrode, accordingly, provide the second common electric voltage to this public electrode, the absolute value of the difference of this second common electric voltage and this second data voltage is greater than the absolute value of the difference of this first common electric voltage and this second data voltage, so that this display device of electronic paper shows that the transition picture of predetermined GTG is to remove this last image frame.
Wherein, the transition picture of described predetermined GTG comprises the transition picture of at least one single GTG.Separately, the transition picture of described single GTG may further be the transition picture of solid color.In the present embodiment, the transition picture of described at least one single GTG comprises the transition picture of the solid color that second colors is different.The GTG of the transition picture of the solid color that described second colors is different is identical.In other change embodiment, the GTG of the transition picture of the solid color that described second colors is different is different.Further, in the present embodiment, the transition picture of the solid color that described second colors is different is respectively black transition picture and white transition picture.
Further, in step S3, for the transition picture of the different solid color of this second colors, it is different to the second common electric voltage of this public electrode that this driving method correspondence provides respectively.In the present embodiment, provide two different the second common electric voltages to this public electrode, with correspondence, drive the transition picture of the solid color that this display device of electronic paper shows that described second colors is different.One second common electric voltage in this two different second common electric voltage and the difference of this first common electric voltage are greater than 0, and the difference of another second common electric voltage and this first common electric voltage is less than 0.Further, provide all different to the second data voltage of the plurality of pixel electrode.
Separately, for the transition picture of arbitrary solid color, provide to the second common electric voltage of this public electrode be constant voltage.Accordingly, provide all identical to the second data voltage of the plurality of pixel electrode.
This driving method further comprises step S4: between at least two adjacent and different image frames, further provide this first common electric voltage to this public electrode, accordingly, provide the different extremely corresponding pixel electrodes of the second data voltage, to drive this display device of electronic paper to show at least one transition picture that comprises two kinds of different colours.
Particularly, this transition picture that comprises at least one by one two kinds of different colours is between the transition picture of the different solid color of this second colors.
Those skilled in the art will be appreciated that; above embodiment is only for the present invention is described; and be not used as limitation of the invention; as long as in connotation scope of the present invention, the appropriate change that above embodiment is done and changing all drop on the scope of protection of present invention in.
Claims (20)
1. a display device of electronic paper, it receives the image data that picture system is exported, and shows corresponding picture according to received image data, and this display device of electronic paper comprises:
Electronic paper display panel, this electronic paper display panel comprises public electrode and a plurality of pixel electrode;
Data drive circuit, this data drive circuit is used for providing data voltage to the plurality of pixel electrode;
Public voltage generating circuit, this public voltage generating circuit is used for providing common electric voltage to this public electrode;
It is characterized in that: this data drive circuit provides first data voltage corresponding with this image data to the plurality of pixel electrode, accordingly, this public voltage generating circuit provides the first common electric voltage to this public electrode, so that this electronic paper display panel shows and the corresponding image frame of this image data; This data drive circuit provided the second data voltage to the plurality of pixel electrode before this electronic paper display panel shows the different image frame of image frame last with it, accordingly, this public voltage generating circuit provides the second common electric voltage to this public electrode, the absolute value of the difference of this second common electric voltage and this second data voltage is greater than the absolute value of the difference of this first common electric voltage and this second data voltage, so that this display device of electronic paper shows that the transition picture of predetermined GTG is to remove this last image frame.
2. display device of electronic paper as claimed in claim 1, is characterized in that: the transition picture of described predetermined GTG comprises the transition picture of at least one single GTG.
3. display device of electronic paper as claimed in claim 2, is characterized in that: the transition picture of described predetermined GTG is the transition picture of single GTG.
4. display device of electronic paper as claimed in claim 2, is characterized in that: the transition picture of described single GTG is further the transition picture of solid color.
5. display device of electronic paper as claimed in claim 2, is characterized in that: the transition picture of described at least one single GTG comprises the transition picture of the solid color that second colors is different.
6. display device of electronic paper as claimed in claim 5, is characterized in that: the GTG of the transition picture of the solid color that described second colors is different is different.
7. display device of electronic paper as claimed in claim 5, is characterized in that: the GTG of the transition picture of the solid color that described second colors is different is identical.
8. a display device, it receives the image data that picture system is exported, and shows corresponding picture according to received image data, and this display device comprises:
Display panel, this display panel comprises public electrode and a plurality of pixel electrode;
Data drive circuit, this data drive circuit is used for providing data voltage to the plurality of pixel electrode;
Public voltage generating circuit, this public voltage generating circuit is used for providing common electric voltage to this public electrode;
It is characterized in that: this data drive circuit provides first data voltage corresponding with this image data to the plurality of pixel electrode, accordingly, this public voltage generating circuit provides the first common electric voltage to this public electrode, so that this display panel shows and the corresponding image frame of this image data; This data drive circuit shows that at this display panel the prerequisite of the image frame that image frame last with it is different supplies the second data voltage to the plurality of pixel electrode, accordingly, this public voltage generating circuit provides the second common electric voltage to this public electrode, the absolute value of the difference of this second common electric voltage and this second data voltage is greater than the absolute value of the difference of this first common electric voltage and this second data voltage, so that this display device shows that the transition picture of predetermined GTG is to remove this last image frame.
9. display device as claimed in claim 8, is characterized in that: the transition picture of described predetermined GTG comprises the transition picture of at least one single GTG.
10. display device as claimed in claim 9, is characterized in that: the transition picture of described predetermined GTG is the transition picture of single GTG.
11. display device as claimed in claim 9, is characterized in that: the transition picture of described single GTG is further the transition picture of solid color.
12. display device as claimed in claim 9, is characterized in that: the transition picture of described at least one single GTG comprises the transition picture of the solid color that second colors is different.
13. display device as claimed in claim 12, is characterized in that: the GTG of the transition picture of the solid color that described second colors is different is different.
14. display device as claimed in claim 12, is characterized in that: the GTG of the transition picture of the solid color that described second colors is different is identical.
The driving method of 15. 1 kinds of display device, wherein, this display device comprises public electrode and a plurality of pixel electrode, it is characterized in that: this driving method comprises:
Provide an image data to this display device;
Provide first data voltage corresponding with this image data to the plurality of pixel electrode, accordingly, provide the first common electric voltage to this public electrode, so that this display device shows and the corresponding image frame of this image data;
Before the different image frame of demonstration image frame last with it, provide the second data voltage to the plurality of pixel electrode, accordingly, provide the second common electric voltage to this public electrode, the absolute value of the difference of this second common electric voltage and this second data voltage is greater than the absolute value of the difference of this first common electric voltage and this second data voltage, so that this display device shows that the transition picture of predetermined GTG is to remove this last image frame.
The driving method of 16. display device as claimed in claim 15, is characterized in that: the transition picture of described predetermined GTG comprises the transition picture of at least one single GTG.
The driving method of 17. display device as claimed in claim 16, is characterized in that: the transition picture of described predetermined GTG is the transition picture of single GTG.
The driving method of 18. display device as claimed in claim 16, is characterized in that: the transition picture of described single GTG is further the transition picture of solid color.
The driving method of 19. display device as claimed in claim 16, is characterized in that: the transition picture of described at least one single GTG comprises the transition picture of the solid color that second colors is different.
The driving method of 20. display device as claimed in claim 19, is characterized in that: the GTG of the transition picture of the solid color that described second colors is different is different.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101131652A TW201409445A (en) | 2012-08-31 | 2012-08-31 | Electronic paper display device, display device and driving method thereof |
| TW101131652 | 2012-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103676394A true CN103676394A (en) | 2014-03-26 |
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ID=50314422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210409398.5A Pending CN103676394A (en) | 2012-08-31 | 2012-10-24 | Electronic paper display device, display device and driving method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103676394A (en) |
| TW (1) | TW201409445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240379A (en) * | 2017-07-03 | 2017-10-10 | 昆山龙腾光电有限公司 | A kind of common electric voltage adjustment module and method, display device |
-
2012
- 2012-08-31 TW TW101131652A patent/TW201409445A/en unknown
- 2012-10-24 CN CN201210409398.5A patent/CN103676394A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240379A (en) * | 2017-07-03 | 2017-10-10 | 昆山龙腾光电有限公司 | A kind of common electric voltage adjustment module and method, display device |
| CN107240379B (en) * | 2017-07-03 | 2019-10-29 | 昆山龙腾光电有限公司 | A kind of common voltage adjustment module and method, display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201409445A (en) | 2014-03-01 |
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Application publication date: 20140326 |