CN102800275B - The drive unit of display and method - Google Patents
The drive unit of display and method Download PDFInfo
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- CN102800275B CN102800275B CN201110279554.6A CN201110279554A CN102800275B CN 102800275 B CN102800275 B CN 102800275B CN 201110279554 A CN201110279554 A CN 201110279554A CN 102800275 B CN102800275 B CN 102800275B
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Abstract
A drive unit for display, comprises a shift register, one first latch lock unit, one second latch lock unit, a data comparing unit and a lever selection unit.Shift register produces multiple latch-up signal according to a synchronizing signal.First latch lock unit according to this little latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage.Second latch lock unit is coupled to the first latch lock unit, and responding a latch data signal with these a little first data of this little passage of breech lock is multiple second data.Data comparing unit response latch data signal with these a little first data of more corresponding same channels respectively therewith a little second data to export multiple 3rd data of this little passage corresponding.Lever selection unit is according to multiple voltage levels of this little 3rd data selection this little passage corresponding.
Description
Technical field
The invention relates to a kind of drive unit and method of display.
Background technology
Please refer to Fig. 1, it illustrates the schematic diagram of the drive unit of conventional bi-stable display.Drive unit 10 comprises shift register 12,1 first latch lock unit 14,1 second latch lock unit 16, lever selection unit 18 and a buffer cell 19.A received synchronizing signal XDIO is shifted by shift register 12 step by step, to export multiple latch-up signals of out of phase to the first latch lock unit 14.The latch-up signal that first latch lock unit 14 exports according to shift register 12 and by data-signal DATA breech lock in the passage of correspondence.
After whole passages of the first latch lock unit 14 all complete data latching, the second latch lock unit 16 starts to store in the negative edge of a latch data signal LD latch data that the first latch lock unit 14 exports.Electrical level selector 18 exports corresponding voltage level to buffer cell 19 according to the data of the second received latch lock unit 16.But when data-signal DATA changes frequent, then the voltage level of buffer cell 19 may switch fast between crest voltage and the lowest point voltage, can cause the generation of burst current thus, and make average current excessive, and then cause system shuts down.
Summary of the invention
The invention relates to a kind of drive unit and method of display, by the data compared corresponding to same channels, the voltage level of buffer cell can not rapidly be changed, avoid producing burst current and excessive average current.
According to a first aspect of the invention, propose a kind of drive unit of display, comprise a shift register, one first latch lock unit, one second latch lock unit, a data comparing unit and a lever selection unit.Shift register is in order to produce multiple latch-up signal according to a synchronizing signal.First latch lock unit in order to according to this little latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage.Second latch lock unit is coupled to the first latch lock unit, is multiple second data in order to respond a latch data signal with these a little first data of this little passage of breech lock.Data comparing unit in order to respond latch data signal with these a little first data of more corresponding same channels respectively therewith a little second data to export multiple 3rd data of this little passage corresponding.Lever selection unit is in order to the multiple voltage levels according to this little 3rd data selection this little passage corresponding.
According to a second aspect of the invention, propose a kind of driving method of display, comprise the following steps.Multiple latch-up signal is produced according to a synchronizing signal.According to this little latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage.Responding a latch data signal with these a little first data of this little passage of breech lock is multiple second data.Response latch data signal with these a little first data of more corresponding same channels respectively therewith a little second data to export multiple 3rd data of this little passage corresponding.According to multiple voltage levels of this little 3rd data selection this little passage corresponding.
According to a third aspect of the invention we, propose a kind of drive unit of display, comprise a shift register, one first latch lock unit, one second latch lock unit and a Buffer output unit.Shift register is in order to produce multiple latch-up signal according to a synchronizing signal.First latch lock unit in order to according to this little latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage.Second latch lock unit is coupled to the first latch lock unit, is multiple second data in order to respond a latch data signal with these a little first data of this little passage of breech lock.Buffer output unit in order to respond latch data signal with respectively according to corresponding same channels these a little first data therewith a little second data to produce multiple 3rd data of this little passage corresponding.Wherein, if one second voltage level of one first voltage level of the first data and the second data differs by more than a preset value, then a tertiary voltage level of the 3rd data is between the first voltage level and the second voltage level.Wherein, if one first voltage level of the first data differs with one second voltage level of the second data be no more than preset value, then a tertiary voltage level of the 3rd data equals the first voltage level.
According to a forth aspect of the invention, propose a kind of driving method of display, comprise the following steps.Multiple latch-up signal is produced according to a synchronizing signal.According to this little latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage.Responding a latch data signal with these a little first data of this little passage of breech lock is multiple second data.Response latch data signal with respectively according to corresponding same channels these a little first data therewith a little second data to produce multiple 3rd data of this little passage corresponding.Wherein, if one second voltage level of one first voltage level of the first data and the second data differs by more than a preset value, then a tertiary voltage level of the 3rd data is between the first voltage level and the second voltage level.Wherein, if one first voltage level of the first data differs with one second voltage level of the second data be no more than a preset value, then a tertiary voltage level of the 3rd data equals the first voltage level.
In order to have better understanding, an embodiment cited below particularly to above-mentioned and other side of the present invention, and coordinating institute's accompanying drawings, being described in detail below.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of the drive unit of conventional bi-stable display.
Fig. 2 illustrates the schematic diagram of the drive unit of the display according to an embodiment.
Fig. 3 illustrates the sequential chart of the drive unit of the display according to an embodiment.
Fig. 4 illustrates the oscillogram of the data of the voltage level corresponding data comparer Cx of the impact damper Sx according to an embodiment.
Fig. 5 illustrates the process flow diagram of the driving method of the display according to an embodiment.
[main element label declaration]
10,200: drive unit
12,210: shift register
14,220: the first latch lock units
16,230: the second latch lock units
18,244: lever selection unit
19,250: buffer cell
240: Buffer output unit
242: data comparing unit
Embodiment
The drive unit of display proposed by the invention and method, by compare corresponding to same channels data with this passage data change frequent time one transient voltage is provided, the voltage level of buffer cell rapidly can not be changed, avoid producing burst current and excessive average current.
Next hereby lifting display is that a bistable display (Bi-stableDisplay) is described for example, is so not limited to this, also can be the display of other type.Please refer to Fig. 2, it illustrates the schematic diagram of the drive unit of the display according to an embodiment.Display 200 comprises shift register 210,1 first latch lock unit 220,1 second latch lock unit 230, Buffer output unit 240 and a buffer cell 250.Buffer output unit 240 comprises data comparing unit 242 and a lever selection unit 244.Corresponding to n passage, the first latch lock unit 220 has in fact n latch unit A1 ~ An, and the second latch lock unit 230 has in fact n latch unit B1 ~ Bn, and latch unit is such as line latch unit; Data comparing unit 242 comprises in fact n data comparator C1 ~ Cn; Lever selection unit 244 comprises in fact n electrical level selector D1 ~ Dn; Buffer cell 250 comprises in fact n impact damper S1 ~ Sn, and n is positive integer.
Please coordinate with reference to Fig. 3, it illustrates the sequential chart of the drive unit of the display according to an embodiment.First, shift register 210 is shifted the synchronizing signal XDIO that receives step by step to export n latch-up signal of the out of phase corresponding to n passage, and synchronizing signal XDIO is such as a horizontal-drive signal.Latch unit A1 ~ An latch-up signal breech lock one data-signal DATA that foundation is corresponding is respectively to obtain n the first data of a corresponding n passage.Second latch lock unit 230 is coupled to the first latch lock unit 220.After latch unit A1 ~ An all completes data latching, B1 ~ Bn responds a latch data signal LD and for example starts at its negative edge n the first data that breech lock corresponds to n passage is individual second data of n.In this stage, the first data that latch unit Bx receives in fact corresponding to the latch unit Ax of same channels are the second data, and x is the positive integer of 1 ~ n.
In Fig. 2, data comparator Cx compares in period T1 in data and compares the first data that the latch unit Ax corresponding to same channels stores respectively (as the A ' in Fig. 2, corresponding to a current latch data signal) the second data of storing with latch unit Bx are (as the B ' in Fig. 2, corresponding to a previous latch data signal), to export the 3rd data (C ' as in Fig. 2) of corresponding same channels.Compare in period T1 in data, data comparator Cx, can according to a look-up table to obtain the 3rd data when the first data of more corresponding same channels and the second data.Please refer to table 1, it is an example of the look-up table according to an embodiment, is so not limited to this, looks closely actual design requirement and determine.
Table 1
| First data | Second data | 3rd data |
| 00 | 00 | 00 |
| 00 | 01 | 00 |
| 00 | 10 | 00 |
| 00 | 11 | 00 |
| 01 | 00 | 01 |
| 01 | 01 | 01 |
| 01 | 10 | 00 |
| 01 | 11 | 01 |
| 10 | 00 | 10 |
| 10 | 01 | 00 |
| 10 | 10 | 10 |
| 10 | 11 | 10 |
| 11 | 00 | 11 |
| 11 | 01 | 11 |
| 11 | 10 | 11 |
| 11 | 11 | 11 |
Afterwards, data comparator Cx also compares in period T2 second data of the latch unit Bx providing corresponding in a non-data is the 3rd data.
Preferably, data compare the positive edge that period T1 originates in latch data signal LD, position during one first level of latch data signal LD in, its time span by the width of latch data signal LD or can be decided by an internal circuit.In addition, preferably, non-data compares the negative edge that period T2 originates in latch data signal LD, position during a second electrical level of latch data signal LD in.Non-data compares period T2 may be arranged to directly next-door neighbour or certain interval of time and be connected in after data compare period T1.
The voltage level that the 3rd data selection that electrical level selector Dx exports according to the data comparator Cx of corresponding same channels is corresponding.Impact damper Sx receives the voltage level of corresponding electrical level selector Dx output and exports data voltage corresponding to this passage according to this.Please refer to table 2, it is according to the corresponding table of the data of the data comparator Cx of an embodiment with the voltage level of impact damper Sx.
Table 2
| The data of data comparator Cx | The voltage level of impact damper Sx |
| 00 | 0 volt |
| 01 | + V volt (such as 15 volts) |
| 10 | -V volt (such as-15 volts) |
| 11 | Suspension joint (floating) |
Can be learnt by table 2, if the data of data comparator Cx change between 01 and 10, then the voltage level of corresponding impact damper Sx can in+V volt and the rapid change of-V volt.Therefore, coordinate designed by table 1, when the second data of correspondence previous latch data signal change between 01 and 10 with the first data of corresponding current latch data signal (from 01 become 10 or become 01 from 10) time, the data of data comparator Cx can compare in period T1 in data the 3rd data being first changed to a corresponding intermediate voltage level (being such as 0 volt).Then compare in period T2 in non-data, the first data of corresponding same channels and current data latch-up signal just can be outputted as the 3rd data.Thus, the voltage level of impact damper Sx Rapid Variable Design between crest voltage (+V volt) and the lowest point voltage (-V volt) can namely be avoided.Please refer to Fig. 4, it illustrates the oscillogram of the data of the voltage level corresponding data comparer Cx of the impact damper Sx according to an embodiment.
In the present embodiment, mainly through comparing data corresponding to same channels to provide a transient voltage when the data of this passage change frequent, the voltage level of buffer cell rapidly can not be changed, avoid producing burst current and excessive average current.As previously mentioned, when the second data of correspondence previous latch data signal change between 01 and 10 with the first data of corresponding current latch data signal, then can especially by the 3rd data setting to intermediate voltage level (being such as 0 volt).In other words, if the first data correspond to one first voltage level, second data correspond to one second voltage level, when the first voltage level and the second voltage level differ by more than a preset value, the tertiary voltage level that then the 3rd data are corresponding between the first voltage level and the second voltage level, as transient voltage to slow down change in voltage.When the first voltage level to differ with the second voltage level be no more than preset value time, then tertiary voltage level equals the first voltage level.
The present invention also proposes a kind of driving method of display, please refer to Fig. 5, and it illustrates the process flow diagram of the driving method of the display according to an embodiment.In step S500, produce multiple latch-up signal according to a synchronizing signal.In step S510, according to this little latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage.In step S520, responding a latch data signal with these a little first data of this little passage of breech lock is multiple second data.In step S530, response latch data signal with these a little first data of more corresponding same channels respectively therewith a little second data to export multiple 3rd data of this little passage corresponding.In step S540, according to multiple voltage levels of this little 3rd data selection this little passage corresponding.If one second voltage level of one first voltage level of the first data and the second data differs by more than a preset value, then a tertiary voltage level of the 3rd data is between the first voltage level and the second voltage level.If one first voltage level of the first data differs with one second voltage level of the second data and is no more than a preset value, then a tertiary voltage level of the 3rd data equals the first voltage level.
The principle of the driving method of aforementioned display device has been specified in Fig. 2 ~ Fig. 4 and related content thereof, therefore no longer repeat in this.
The drive unit of the display disclosed by the above embodiment of the present invention and method, by comparing in the period data first compared corresponding to same channels in data, therefore a transient voltage can be provided when the data of this passage corresponding change frequent, the voltage level of buffer cell can be made thus rapidly to change, and then avoid producing burst current and excessive average current.
In sum, although the present invention discloses as above with multiple embodiment, so itself and be not used to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on the appended right person of defining.
Claims (36)
1. a drive unit for display, comprising:
One shift register, in order to produce multiple latch-up signal according to a synchronizing signal;
One first latch lock unit, in order to according to the plurality of latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage;
One second latch lock unit, is coupled to this first latch lock unit, is multiple second data in order to respond a latch data signal with the plurality of first data of the plurality of passage of breech lock;
One data comparing unit, in order to respond this latch data signal with the plurality of first data of more corresponding same channels respectively with the plurality of second data to export multiple 3rd data of corresponding the plurality of passage; And
One lever selection unit, in order to the multiple voltage levels according to the corresponding the plurality of passage of the plurality of 3rd data selection,
If wherein one first voltage level of these the first data and one second voltage level of these the second data differ by more than a preset value, then a tertiary voltage level of the 3rd data is between this first voltage level and this second voltage level,
If wherein one first voltage level of these the first data is different from one second voltage level of these the second data, if and this first voltage level of these the first data differs with this second voltage level of these the second data and is no more than a preset value, then a tertiary voltage level of the 3rd data equals this first voltage level.
2. the drive unit of display according to claim 1, wherein this display is a bistable display.
3. the drive unit of display according to claim 1, wherein this second latch lock unit compares in the period in a non-data of this latch data signal and performs this latch operations, and this data comparing unit compares in the period in data of this latch data signal and carries out this compare operation.
4. the drive unit of display according to claim 3, wherein this data comparing unit also compares in the period in this non-data of this latch data signal, provides the plurality of second data to be the plurality of 3rd data.
5. the drive unit of display according to claim 3, wherein these data compare the period is the positive edge originating in this latch data signal, and this non-data to compare the period be the negative edge originating in this latch data signal.
6. the drive unit of display according to claim 3, wherein these data compare during the period is one first level being positioned at this latch data signal, and this non-data compare the period be the second electrical level originating in this latch data signal during in.
7. the drive unit of display according to claim 1, wherein this data comparing unit comparison corresponds to the plurality of first data of a current latch data signal and the plurality of second data corresponding to a previous latch data signal.
8. the drive unit of display according to claim 1, wherein this data comparing unit is when these first data of more corresponding same channels and this second data, according to a look-up table to obtain the 3rd data.
9. the drive unit of display according to claim 1, also comprises a buffer cell, is coupled to this lever selection unit, in order to receive the plurality of voltage level and to export multiple data voltage according to this.
10. a driving method for display, comprising:
I () produces multiple latch-up signal according to a synchronizing signal;
(ii) according to the plurality of latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage;
(iii) responding a latch data signal with the plurality of first data of the plurality of passage of breech lock is multiple second data;
(iv) respond this latch data signal with the plurality of first data of more corresponding same channels respectively with the plurality of second data to export multiple 3rd data of corresponding the plurality of passage; And
(v) according to multiple voltage levels of the corresponding the plurality of passage of the plurality of 3rd data selection,
If wherein one first voltage level of these the first data and one second voltage level of these the second data differ by more than a preset value, then a tertiary voltage level of the 3rd data is between this first voltage level and this second voltage level,
If wherein one first voltage level of these the first data is different from one second voltage level of these the second data, if and this first voltage level of these the first data differs with this second voltage level of these the second data and is no more than a preset value, then a tertiary voltage level of the 3rd data equals this first voltage level.
The driving method of 11. displays according to claim 10, wherein this display is a bistable display.
The driving method of 12. displays according to claim 10, wherein step (iii) compares in the period in a non-data of this latch data signal to perform, and step (iv) compares in the period in data of this latch data signal to perform.
The driving method of 13. displays according to claim 12, this non-data being also included in this latch data signal compares in the period, provides the plurality of second data to be the plurality of 3rd data.
The driving method of 14. displays according to claim 12, wherein these data compare the period is the positive edge originating in this latch data signal, and this non-data to compare the period be the negative edge originating in this latch data signal.
The driving method of 15. displays according to claim 12, wherein these data compare during the period is one first level being positioned at this latch data signal, and this non-data compare the period be the second electrical level originating in this latch data signal during in.
The driving method of 16. displays according to claim 10, wherein step (iv) also compares the plurality of first data corresponding to a current latch data signal and the plurality of second data corresponding to a previous latch data signal.
The driving method of 17. displays according to claim 10, wherein step (iv) is that use one look-up table is to obtain the 3rd data.
The drive unit of 18. 1 kinds of displays, comprising:
One shift register, in order to produce multiple latch-up signal according to a synchronizing signal;
One first latch lock unit, in order to according to the plurality of latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage;
One second latch lock unit, is coupled to this first latch lock unit, is multiple second data in order to respond a latch data signal with the plurality of first data of the plurality of passage of breech lock; And
One Buffer output unit, in order to respond this latch data signal with respectively according to the plurality of first data of corresponding same channels with the plurality of second data to produce multiple 3rd data of corresponding the plurality of passage;
Wherein, if one second voltage level of one first voltage level of these the first data and these the second data differs by more than a preset value, then a tertiary voltage level of the 3rd data is between this first voltage level and this second voltage level;
Wherein, if one first voltage level of these the first data differs with one second voltage level of these the second data be no more than this preset value, then this tertiary voltage level of the 3rd data equals this first voltage level.
The drive unit of 19. displays according to claim 18, wherein this display is a bistable display.
The drive unit of 20. displays according to claim 18, wherein this Buffer output unit comprises:
One data comparing unit, in order to respond this latch data signal with the plurality of first data of more corresponding same channels respectively with the plurality of second data to export the plurality of 3rd data of corresponding the plurality of passage; And
One lever selection unit, in order to the multiple voltage levels according to the corresponding the plurality of passage of the plurality of 3rd data selection.
The drive unit of 21. displays according to claim 20, also comprises a buffer cell, is coupled to this lever selection unit, in order to receive the plurality of voltage level and to export multiple data voltage according to this.
The drive unit of 22. displays according to claim 20, wherein this second latch lock unit compares in the period in a non-data of this latch data signal and performs this latch operations, and this data comparing unit compares in the period in data of this latch data signal and carries out this compare operation.
The drive unit of 23. displays according to claim 22, wherein this data comparing unit also compares in the period in this non-data of this latch data signal, provides the plurality of second data to be the plurality of 3rd data.
The drive unit of 24. displays according to claim 22, wherein these data compare the period is the positive edge originating in this latch data signal, and this non-data to compare the period be the negative edge originating in this latch data signal.
The drive unit of 25. displays according to claim 22, wherein these data compare during the period is one first level being positioned at this latch data signal, and this non-data compare the period be the second electrical level originating in this latch data signal during in.
The drive unit of 26. displays according to claim 20, wherein this data comparing unit compares the plurality of first data corresponding to a current latch data signal and the plurality of second data corresponding to a previous latch data signal.
The drive unit of 27. displays according to claim 20, wherein this data comparing unit is when these first data of more corresponding same channels and this second data, according to a look-up table to obtain the 3rd data.
The driving method of 28. 1 kinds of displays, comprising:
A () produces multiple latch-up signal according to a synchronizing signal;
(b) according to the plurality of latch-up signal breech lock one data-signal to obtain multiple first data of corresponding multiple passage;
C () responds a latch data signal with the plurality of first data of the plurality of passage of breech lock is multiple second data;
(d) respond this latch data signal with respectively according to the plurality of first data of corresponding same channels with the plurality of second data to produce multiple 3rd data of corresponding the plurality of passage;
Wherein, if one second voltage level of one first voltage level of these the first data and these the second data differs by more than a preset value, then a tertiary voltage level of the 3rd data is between this first voltage level and this second voltage level;
Wherein, if one first voltage level of these the first data differs with one second voltage level of these the second data be no more than this preset value, then this tertiary voltage level of the 3rd data equals this first voltage level.
The driving method of 29. displays according to claim 28, wherein this display is a bistable display.
The driving method of 30. displays according to claim 28, wherein step (d) comprising:
(d1) respond this latch data signal with the plurality of first data of more corresponding same channels respectively with the plurality of second data to export the plurality of 3rd data of corresponding the plurality of passage; And
(d2) according to multiple voltage levels of the corresponding the plurality of passage of the plurality of 3rd data selection.
The driving method of 31. displays according to claim 30, wherein step (c) compares in the period in a non-data of this latch data signal to perform this latch operations, and step (d1) compares in the period in data of this latch data signal to carry out this compare operation.
The driving method of 32. displays according to claim 31, this non-data that wherein step (d1) is also included in this latch data signal compares in the period, provides the plurality of second data to be the plurality of 3rd data.
The driving method of 33. displays according to claim 31, wherein these data compare the period is the positive edge originating in this latch data signal, and this non-data to compare the period be the negative edge originating in this latch data signal.
The driving method of 34. displays according to claim 31, wherein these data compare during the period is one first level being positioned at this latch data signal, and this non-data compare the period be the second electrical level originating in this latch data signal during in.
The driving method of 35. displays according to claim 28, wherein step (d1) comprises the plurality of first data and the plurality of second data corresponding to a previous latch data signal that compare corresponding to a current latch data signal.
The driving method of 36. displays according to claim 28, wherein step (d1) comprises according to a look-up table to obtain the 3rd data.
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| US201161489262P | 2011-05-24 | 2011-05-24 | |
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| CN104376809B (en) * | 2013-08-14 | 2017-06-06 | 联咏科技股份有限公司 | Method of the source electrode driver with wherein peak point current is reduced |
| TWI552138B (en) * | 2014-08-11 | 2016-10-01 | 友達光電股份有限公司 | Display and gate driver thereof |
| TWI539435B (en) | 2014-08-29 | 2016-06-21 | 友達光電股份有限公司 | Driving circuit |
| CN112687224B (en) * | 2020-12-28 | 2022-06-03 | 北京奕斯伟计算技术有限公司 | Source electrode driving circuit, source electrode driving method and display device |
| CN112687223B (en) * | 2020-12-28 | 2022-06-03 | 北京奕斯伟计算技术有限公司 | Source electrode driving circuit, source electrode driving method and display device |
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| US20060109229A1 (en) * | 2004-11-24 | 2006-05-25 | Semiconductor Energy Laboratory Co., Ltd. | Display device and driving method thereof |
| CN1941054A (en) * | 2005-09-26 | 2007-04-04 | 中华映管股份有限公司 | Driver and driving method for display panel |
| US20080143700A1 (en) * | 2006-12-13 | 2008-06-19 | Lg.Philips Lcd Co., Ltd. | Electrophoretic display and driving method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060109229A1 (en) * | 2004-11-24 | 2006-05-25 | Semiconductor Energy Laboratory Co., Ltd. | Display device and driving method thereof |
| CN1941054A (en) * | 2005-09-26 | 2007-04-04 | 中华映管股份有限公司 | Driver and driving method for display panel |
| US20080143700A1 (en) * | 2006-12-13 | 2008-06-19 | Lg.Philips Lcd Co., Ltd. | Electrophoretic display and driving method thereof |
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| TWI441128B (en) | 2014-06-11 |
| CN102800275A (en) | 2012-11-28 |
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