CN107784978B - The Drive And Its Driving Method of adjust automatically frame per second for electrophoretic display device (EPD) - Google Patents
The Drive And Its Driving Method of adjust automatically frame per second for electrophoretic display device (EPD) Download PDFInfo
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- CN107784978B CN107784978B CN201610983684.0A CN201610983684A CN107784978B CN 107784978 B CN107784978 B CN 107784978B CN 201610983684 A CN201610983684 A CN 201610983684A CN 107784978 B CN107784978 B CN 107784978B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
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Abstract
The present invention discloses a kind of Drive And Its Driving Method of adjust automatically frame per second for electrophoretic display device (EPD), the driving method includes that a phase signal generates step, a phase signal processing step, a collection step and an output step, it is to generate multiple phase signals that wherein the phase signal, which generates step, the phase signal processing step is to handle n-th phase signal and the N+1 phase signal, and the output step is to export an at least driving voltage selection signal, a latch-up signal and at least gate control signal.Therefore, it can be used to judge to maintain or reduce the frame per second of the electrophoretic display device (EPD), and then achieve the effect that reduce power consumption.
Description
Technical field
The invention relates to a kind of Drive And Its Driving Methods of display, are used for electrophoresis especially with regard to one kind
The Drive And Its Driving Method of the adjust automatically frame per second of display.
Background technique
General electrophoretic display technology (Electro-Phoretic Display, EPD) is the pigment using electrification
(pigment) control reaches the reading experience similar to paper, and the characteristic with bistable state (Bistable), only
Power consumption is just needed when updating picture, picture can maintain original state when without updating, and be reflective display
(Reflective Display) is not easy to make eye fatigue and is also easy to read under strong light, be suitably applied in the reading of book, produce
The purposes such as product label.That is, the driving principle of electrophoretic display technology is to give different drives for different picture states
Dynamic voltage waveforms, wherein showing picture (OLD Data) comprising preceding state and updating display picture (NEW Data), for preceding
State shows that changing picture to all combinations for updating display picture, all needs to give different drive voltage signals.However, electrophoresis is aobvious
Show that the power consumption of frame updating is more paid attention in the application of technology, it therefore, can be with if power consumption when can reduce frame updating
Increase the update times in same charge, is the time limit for increasing and using for the application of electronic type product label.At present
The frame updating of existing electrophoretic display device (EPD) acts, and is all using the mode of fixed frame per second, and frame per second height influences power consumption
Size, lower frame per second have lesser power consumption；But higher frame per second has preferred display effect, and (higher comparison relatively divides
Bright figure), but power consumption is also larger.Power consumption can not meet simultaneously in display effect.
Therefore, it is necessary to provide the driving device and its drive of a kind of adjust automatically frame per second for electrophoretic display device (EPD) of improvement
Dynamic method, to solve the problems of prior art.
Summary of the invention
In view of this, present invention is primarily aimed at provide a kind of driving of adjust automatically frame per second for electrophoretic display device (EPD)
Device and its driving method carry out processing production to n-th phase signal and the N+1 phase signal using phase signal processor
A raw processing result, and judge to maintain or reduce the frame per second of the electrophoretic display device (EPD), and then achieve the effect that reduce power consumption.
For achieve the above purposes, the present invention provides a kind of driving dress of adjust automatically frame per second for electrophoretic display device (EPD)
Set, comprising a drive voltage signal reservoir, a phase generator, a phase signal processor, a picture data storage element,
One timing control unit, one source driver, a gate pole driver and a latch-up signal generator；The drive voltage signal storage
Storage stores an at least drive voltage signal, wherein the drive voltage signal is to drive an electrophoretic display device (EPD) to show at least
One color, and multiple signal segments of each drive voltage signal are distinguished by multiple frames；The phase generator is electrically connected
The drive voltage signal reservoir to read the drive voltage signal, and respectively sequentially generates the signal segment pair
The multiple phase signals answered；The phase signal processor is electrically connected the phase generator, to receive the phase letter
Number, and in the phase signal n-th phase signal and the N+1 phase signal handled and generate a processing knot
Fruit, wherein N is a positive integer；The picture data storage element is to store a picture data；The timing control unit electricity
Property the connection picture data storage element, the phase generator and the phase signal processor, to receive the picture
Face data, the phase signal and a final frame rate control signal, union export an at least driving voltage selection signal, a door bolt
Lock signal and an at least gate control signal；The source electrode driver is electrically connected the timing control unit, and by the door bolt
Lock signal trigger an output voltage conversion and to a picture element capacitor charging；The gate pole driver is electrically connected the timing
Control unit, and according to gate control signal control one voltage of output to the electrophoretic display device (EPD)；The wherein phase letter
Number processor generates the control letter to the frame per second for maintaining or reducing the electrophoretic display device (EPD) according to the processing result
Number.
In one embodiment of this invention, the phase signal processor is the n-th phase in phase signal described in comparison
Whether position signal and the N+1 phase signal are identical, and generate the processing result.
In one embodiment of this invention, the phase signal processor is the n-th phase in the detecting phase signal
Whether position signal and the N+1 phase signal belong to same driving voltage setting, and generate the processing result, wherein the drive
The frame number that dynamic voltage setting is maintained comprising a setting voltage and the setting voltage
In one embodiment of this invention, the driving device of the adjust automatically frame per second additionally comprises a collector, to
Connection collection is carried out to multiple control signal caused by multiple drive voltage signals, and operation obtains the final frame per second control
Signal.
In one embodiment of this invention, the driving device of the adjust automatically frame per second additionally comprises an intersection circuit, to
Intersection is carried out to multiple control signal caused by multiple drive voltage signals, and operation obtains the final frame per second control
Signal.
In one embodiment of this invention, the latch-up signal generator is when penetrating described to export a latch-up signal
Sequence control unit is sent to the source electrode driver.
In one embodiment of this invention, the timing control unit is single time series pattern, and the control signal is to use
To control the existing frame per second for maintaining the time series pattern, or the existing frame of the time series pattern is reduced in a manner of reducing frame number
Rate.
In one embodiment of this invention, the timing control unit be Dual Clocking mode, the control signal be to
Control carries out the replacement of two timing.
For achieve the above purposes, the present invention provides a kind of driving side of adjust automatically frame per second for electrophoretic display device (EPD)
Method generates step, a phase signal processing step and an output step comprising a phase signal；The phase signal generates step
It is to read multiple drive voltage signals, and sequentially generate to multiple signal segments of each drive voltage signal respectively corresponding multiple
Phase signal, wherein the signal segment is distinguished by multiple frames；The phase signal processing step is to receive the phase signal,
And in the phase signal n-th phase signal and the N+1 phase signal handled and generate a processing result,
The control signal to the frame per second for maintaining or reducing the electrophoretic display device (EPD) is generated according to the processing result again, wherein
N is a positive integer；The output step be receive a picture data, the phase signal and the final frame rate control signal and
It exports an at least driving voltage selection signal, a latch-up signal and an at least gate and controls signal.
It in one embodiment of this invention, is to compare n-th phase signal and in the phase signal processing step
N+1 phase signal it is whether identical and generate the processing result.
It in one embodiment of this invention, is in the detecting phase signal in the phase signal processing step
Whether n-th phase signal and the N+1 phase signal belong to same driving voltage setting, and generate the processing result,
Described in driving voltage setting comprising one setting voltage and it is described setting voltage maintain a frame number.
In one embodiment of this invention, a collection step is additionally comprised after the phase signal processing step, to
Connection collection is carried out to multiple control signal caused by multiple drive voltage signals, and operation obtains the final frame per second control
Signal.
In one embodiment of this invention, an intersection step is additionally comprised after the phase signal processing step, to
Intersection is carried out to multiple control signal caused by multiple drive voltage signals, and operation obtains the final frame per second control
Signal.
In one embodiment of this invention, in the phase signal processing step, the electrophoretic display device (EPD) is reduced
Frame per second be maintain the electrophoretic display device (EPD) frame per second 1/2 to 1/16.
As described above, the present invention utilizes the signal of the phase signal processor according to each drive voltage signal
The corresponding phase signal of section, handles n-th phase signal and the N+1 phase signal, and judges to maintain or reduce
The frame per second of the electrophoretic display device (EPD), the output voltage of the source electrode driver and the gate pole driver can be reduced by reducing frame per second
Conversion times, and then achieve the effect that reduce power consumption.
Detailed description of the invention
Fig. 1 is the preferred embodiment for being used for the driving device of adjust automatically frame per second of electrophoretic display device (EPD) according to the present invention
One schematic diagram.
Fig. 2 is the preferred embodiment for being used for the driving method of adjust automatically frame per second of electrophoretic display device (EPD) according to the present invention
One flow chart.
Fig. 3 is another preferred embodiment for being used for the driving device of adjust automatically frame per second of electrophoretic display device (EPD) according to the present invention
A schematic diagram.
Fig. 4 is another preferred embodiment for being used for the driving method of adjust automatically frame per second of electrophoretic display device (EPD) according to the present invention
A flow chart.
Fig. 5 to 8 is that the driving voltage according to the present invention for the driving method of the adjust automatically frame per second of electrophoretic display device (EPD) is believed
Number and control signal a schematic diagram.
Fig. 9 is according to the present invention for the control signal of the driving method of the adjust automatically frame per second of electrophoretic display device (EPD) and final
One schematic diagram of frame rate control signal.
Embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.Furthermore the direction term that the present invention is previously mentioned, for example, above and below, top, bottom, front, rear, left and right, inside and outside, side, surrounding, in
Centre, it is horizontal, laterally, vertically, longitudinally, axial direction, radial direction, top layer or lowest level etc., be only the direction with reference to annexed drawings.Cause
This, the direction term used is to illustrate and understand the present invention, rather than to limit the present invention.
It please refers to shown in Fig. 1, one that the driving device 100 of the adjust automatically frame per second of electrophoretic display device (EPD) is used for for the present invention is excellent
Embodiment is selected, to drive an active matrix electrophoretic display device (EPD) (not being painted), wherein the driving device 100 includes a driving
Voltage signal reservoir 2, a phase generator 3, a phase signal processor 4, a picture data storage element 5, a timing control
Unit 6, one source driver 71, a gate pole driver 72, a collector 8 and a latch-up signal generator 9 processed.The present invention will
In detail structure, assembled relation and its operation principles that each component is detailed below.
It is continuous referring to Fig.1 shown in, the drive voltage signal reservoir 2 stores multiple drive voltage signals, wherein each
Drive voltage signal is to drive the electrophoretic display device (EPD) to show a color.Such as: one first drive voltage signal is to pass
It send to common driver electrode；One second drive voltage signal is to drive the electrophoretic display device (EPD) to be displayed in white；The driving of one third
Voltage signal is to drive the electrophoretic display device (EPD) to show black；And one the 4th drive voltage signal to drive the electrophoresis
Display is displayed in red.In the present embodiment, multiple signal segments of each drive voltage signal are distinguished by multiple frames.
Continuous shown referring to Fig.1, the phase generator 3 is electrically connected the drive voltage signal reservoir 2, and described
Phase generator 3 is the drive voltage signal to read the drive voltage signal reservoir 2, and respectively to each
The signal segment of drive voltage signal sequentially generates corresponding multiple phase signals.
Continuous shown referring to Fig.1, the phase signal processor 4 is electrically connected the phase generator 3, the phase signal
Processor 4 is the phase signal generated to receive the phase generator 3, and according to each drive voltage signal
The corresponding phase signal of the signal segment, n-th phase signal and the N+1 phase letter in the phase signal
It is number whether identical, and then generate a processing result.Such as: one first processing knot is generated according to first drive voltage signal
Fruit；A second processing result is generated according to second drive voltage signal；One is generated according to the third drive voltage signal
Third processing result；And a fourth process result is generated according to the 4th drive voltage signal.Above-mentioned N be 1 or with
On positive integer, for example, 1,2,3,4,5,6,7,8,9,10 ... etc..
In addition, in other examples, the phase signal processor 4 is also possible to detect in the phase signal
Whether n-th phase signal and the N+1 phase signal belong to same driving voltage setting, and generate the processing result,
Described in driving voltage setting comprising one setting voltage and it is described setting voltage maintain a frame number.
It is noted that the content element format of the drive voltage signal reservoir 2 can divide into three kinds, the first is
All expansion voltage settings, each driving voltage set " the output voltage setting " for representing a frame, such as :+11V ,+11V,
+11V,-11V,-11V,-11V,-11V...；Second is the setting of each driving voltage, and each driving voltage sets include one
The frame number that setting voltage and the setting voltage need to maintain, such as: (+11V, 3Frames), (- 11V, 4Frames), (+
11V,3Frames)...；The third is another form of each driving voltage setting, and each driving voltage setting includes a setting
One number of repetition of the group of voltage, the frame number that the setting voltage need to maintain and driving voltage setting, such as:
{(+11V,3Frames),(-11V,4Frames),Repeat 2times}.Wherein the first is to driving voltage described in the third
The content element format of signal reservoir 2 can pass through n-th phase signal and the N+1 phase in the phase signal
Whether signal is identical, and generates the processing result；The content list of second and the third drive voltage signal reservoir 2
Whether n-th phase signal and the N+1 phase signal in the permeable detecting phase signal of first format belong to same drive
Dynamic voltage setting, and generate the processing result.
Continuous shown referring to Fig.1, then the phase signal processor 4 is calculated according to each processing result to maintain
Or reduce a control signal of a frame per second (Frame Rate) for the electrophoretic display device (EPD), wherein the collector 8 be to
Connection collection is carried out to multiple control signal caused by multiple drive voltage signals, and obtains a final frame rate control signal,
Wherein the high levle of the final frame rate control signal, which represents, maintains frame per second；The low level of the final frame rate control signal represents
Reduce frame per second.Such as: a first control signal is calculated according to first processing result；It is transported according to the second processing result
Calculate a second control signal；Third control signal is calculated according to the third processing result；And according to the described 4th
Processing result calculates one the 4th control signal.Then, to the first control signal, second control signal, third control letter
Number and the 4th control signal carry out connection collection, and then obtain the final frame rate control signal.
In another preferred embodiment, as shown in figure 3, the intersection electricity of the driving device 100 of the adjust automatically frame per second
Road 8 ' is and to obtain a final frame per second to carry out intersection to multiple control signal caused by multiple drive voltage signals
Signal is controlled, wherein the high levle of the final frame rate control signal, which represents, reduces frame per second；The final frame rate control signal
Low level, which represents, maintains frame per second.
Please refer to shown in Fig. 1, the picture data storage element 5 be to store a picture data, in the present embodiment,
The picture data storage element 5 is a memory (Display RAM), is intended to be shown in the picture of the electrophoretic display device (EPD) to store
Face data.
Continuous shown referring to Fig.1, the timing control unit 6 is electrically connected the picture data storage element 5, the phase
Generator 3 and the phase signal processor 4, and the timing control unit 6 is to receive the picture data, the phase
Signal and the final frame rate control signal, union export an at least driving voltage selection signal, a latch-up signal and at least
One gate controls signal.In addition, the latch-up signal generator 9 is penetrated to export a latch-up signal (Source Latch)
The timing control unit 6 is sent to the source electrode driver 71.In the present embodiment, the timing control unit 6 is single
Time series pattern, the control signal is controlling the existing frame per second for maintaining the time series pattern, or in a manner of reducing frame number
Reduce the existing frame per second of the time series pattern；The timing control unit 6 is Dual Clocking mode, and the control signal is to control
System carries out the replacement of two timing.
Continuous shown referring to Fig.1, the source electrode driver 71 is electrically connected the timing control unit 6, and the source electrode
Driver 71 be to receive the driving voltage selection signal, and by the latch-up signal trigger an output voltage conversion and
One picture element capacitor charging (is not painted).The gate pole driver 72 is electrically connected the timing control unit 6, and according to described
Gate controls signal control one voltage of output to the active matrix electrophoretic display device (EPD).
According to above-mentioned structure, using the phase generator 3 respectively to multiple signals of each drive voltage signal
Duan Yixu generates corresponding multiple phase signals；Believe followed by the phase signal processor 4 according to each driving voltage
Number the corresponding phase signal of the signal segment, n-th phase signal and the N+1 phase signal are handled, in turn
Generate the processing result；It calculates again according to processing result caused by each drive voltage signal to maintain or reduce
The control signal of the frame per second of the electrophoretic display device (EPD)；Finally recycle the collector 8 to multiple drive voltage signals
Generated multiple control signal carries out connection collection, and operation obtains a final frame rate control signal.So that each driving voltage
The waveform of signal reduces frame per second in the case where no variation, and then achievees the effect that reduce power consumption.
The letter using above-mentioned design, using the phase signal processor 4 according to each drive voltage signal
The corresponding phase signal of number section, handles n-th phase signal and the N+1 phase signal, and judges to maintain or drop
The frame per second of the low electrophoretic display device (EPD) can reduce the output voltage of the source electrode driver 71 and the gate pole driver 72
Conversion times, and then achieve the effect that reduce power consumption.
Referring to figure 2. and cooperate shown in Fig. 1, the driving method for the present invention for the adjust automatically frame per second of electrophoretic display device (EPD)
A preferred embodiment, be that display driving is carried out to an electrophoretic display device (EPD) using the driving device 100 of above-mentioned adjust automatically frame per second,
Wherein the driving method of the adjust automatically frame per second includes that a phase signal generates step S201, a phase signal processing step
S202, a collection step S203 and an output step S204.The present invention will be in the operation principles that each step is detailed below.
Continue referring to Fig. 2 and cooperate shown in Fig. 1, is generated in step S201 in the phase signal, utilize a phase generator 3
Multiple drive voltage signals of a drive voltage signal reservoir 2 are read, and respectively to the multiple of each drive voltage signal
Signal segment sequentially generates corresponding multiple phase signals, wherein the signal segment is distinguished by multiple frames.
Continue referring to Fig. 2 and cooperate shown in Fig. 1, in the phase signal processing step S202, at a phase signal
Reason device 4 receives the phase signal of the phase generator 3, and the signal segment phase according to each drive voltage signal
The whether identical of n-th phase signal and the N+1 phase signal compared, and then generates a processing knot for corresponding phase signal
Fruit.Then, it is calculated according to processing result caused by each drive voltage signal aobvious to maintain or reduce the electrophoresis
Show a control signal of a frame per second of device.Such as: as shown in figure 5, according to one caused by one first drive voltage signal VCOM
First processing result calculates a first control signal VCOM-Ctrl；As shown in fig. 6, according to one second drive voltage signal
A second processing result caused by White calculates a second control signal White-Ctrl；As shown in fig. 7, according to one the
A third processing result caused by three drive voltage signal Black calculates third control signal Black-Ctrl；And
As shown in figure 8, calculating one the 4th control signal according to a fourth process result caused by one the 4th drive voltage signal Red
Red-Ctrl, wherein the frame per second for reducing the electrophoretic display device (EPD) be maintain the electrophoretic display device (EPD) frame per second 1/2 to 1/16,
Wherein the control signal is to maintain former frame per second in high levle, and the control signal is to reduce frame per second in low level.
In addition, in other embodiments, the phase signal processing step S202 is also possible to detect the phase signal
In n-th phase signal and the N+1 phase signal whether belong to the setting of same driving voltage, and generate the processing and tie
Fruit, wherein the frame number that driving voltage setting is maintained comprising a setting voltage and voltage setting.
Continue referring to Fig. 2 and cooperate shown in Fig. 1, in the collection step S203, using a collector 8 to multiple described
Multiple control signal caused by drive voltage signal carries out connection collection, and operation obtains a final frame rate control signal, wherein institute
The high levle for stating final frame rate control signal, which represents, maintains frame per second；The low level of the final frame rate control signal, which represents, reduces frame
Rate.Such as: as shown in figure 9, controlling the first control signal VCOM-Ctrl, second control signal White-Ctrl, third
The control of signal Black-Ctrl and the 4th signal Red-Ctrl carries out connection collection, and then obtains the final frame rate control signal
FrameRate-Ctrl。
In another preferred embodiment, referring to figure 4. and cooperate shown in Fig. 3, the driving method of the adjust automatically frame per second
An intersection step S203 ' be after the phase signal processing step S202, using an intersection circuit 8 ' to multiple described
Multiple control signal caused by drive voltage signal carries out connection collection, and operation obtains a final frame rate control signal, wherein institute
The high levle for stating final frame rate control signal, which represents, reduces frame per second；The low level of the final frame rate control signal, which represents, maintains frame
Rate.
Referring to figure 2. and cooperate shown in Fig. 1, in the output step S204, receives a picture data, phase letter
Number and the final frame rate control signal FrameRate-Ctrl, and then export at least a driving voltage selection signal, a latch
Signal and an at least gate control signal.
As described above, the signal segment phase using the phase signal processor 4 according to each drive voltage signal
Corresponding phase signal to handling for n-th phase signal and the N+1 phase signal, and judges to maintain or reduce institute
The frame per second of electrophoretic display device (EPD) is stated, the conversion of the output voltage of the source electrode driver 71 and the gate pole driver 72 can be reduced
Number, and then achieve the effect that reduce power consumption.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that, it has been disclosed that embodiment be not limiting as the scope of the present invention.Opposite, it is contained in the spirit of claims
And range modification and impartial setting be included in the scope of the present invention.
Claims (8)
1. a kind of driving device of the adjust automatically frame per second for electrophoretic display device (EPD), it is characterised in that: the adjust automatically frame per second
Driving device include:
One drive voltage signal reservoir stores an at least drive voltage signal, wherein the drive voltage signal is to drive
A dynamic electrophoretic display device (EPD) shows an at least color, and multiple signal segments of each drive voltage signal are distinguished by multiple frames；
One phase generator is electrically connected the drive voltage signal reservoir, to read the drive voltage signal, and divides
It is other that corresponding multiple phase signals are sequentially generated to the signal segment；
One phase signal processor is electrically connected the phase generator, to receive the phase signal, and to the phase
N-th phase signal and the N+1 phase signal in the signal of position are handled and generate a processing result, and wherein N is one just
Integer；
One picture data storage element, to store a picture data；
One timing control unit is electrically connected the picture data storage element, the phase generator and the phase signal
Processor, to receive the picture data, the phase signal and a final frame rate control signal, union output at least one
Driving voltage selection signal, a latch-up signal and an at least gate control signal；
One source driver is electrically connected the timing control unit, and triggers turning for an output voltage by the latch-up signal
It changes and to a picture element capacitor charging；And
One gate pole driver is electrically connected the timing control unit, and according to one electricity of gate control signal control output
It is depressed into the electrophoretic display device (EPD)；
Wherein the phase signal processor is generated according to the processing result to maintain or reduce the electrophoretic display device (EPD)
A frame per second one control signal；
Wherein the phase signal processor is the n-th phase signal and the N+1 phase letter in phase signal described in comparison
It is number whether identical, and generate the processing result；Or
The phase signal processor is that the n-th phase signal and the N+1 phase signal in the detecting phase signal are
It is no to belong to same driving voltage setting, and the processing result is generated, wherein driving voltage setting includes a setting voltage
And the frame number that the setting voltage maintains.
2. the driving device for the adjust automatically frame per second of electrophoretic display device (EPD) as described in claim 1, it is characterised in that: described
The driving device of adjust automatically frame per second also includes a collector, to multiple caused by multiple drive voltage signals
Control signal carries out connection collection, and operation obtains the final frame rate control signal.
3. the driving device for the adjust automatically frame per second of electrophoretic display device (EPD) as described in claim 1, it is characterised in that: described
The driving device of adjust automatically frame per second also includes an intersection circuit, to multiple caused by multiple drive voltage signals
It controls signal and carries out intersection, and operation obtains the final frame rate control signal.
4. the driving device for the adjust automatically frame per second of electrophoretic display device (EPD) as described in claim 1, it is characterised in that: described
Timing control unit is single time series pattern, and the control signal is to control the existing frame for maintaining the time series pattern
Rate, or reduce in a manner of reducing frame number the existing frame per second of the time series pattern.
5. the driving device for the adjust automatically frame per second of electrophoretic display device (EPD) as described in claim 1, it is characterised in that: described
Timing control unit is Dual Clocking mode, and the control signal is to control the replacement for carrying out Dual Clocking.
6. a kind of driving method of the adjust automatically frame per second for electrophoretic display device (EPD), it is characterised in that: the adjust automatically frame per second
Driving method include step:
One phase signal generates step, reads an at least drive voltage signal, and respectively to the multiple of the drive voltage signal
Signal segment sequentially generates corresponding multiple phase signals, wherein the signal segment is distinguished by multiple frames；
One phase signal processing step, receives the phase signal, and in the phase signal n-th phase signal and
The N+1 phase signal is handled and generates a processing result, then is generated according to the processing result to maintain or drop
One control signal of one frame per second of the low electrophoretic display device (EPD), wherein N is a positive integer, wherein passing through a phase signal processor
Compare n-th phase signal in the phase signal and whether the N+1 phase signal be identical, and generates the processing knot
Fruit；Or n-th phase signal and the N+1 phase signal in the phase signal are detected by the phase signal processor
Whether belong to same driving voltage setting, and generate the processing result, wherein driving voltage setting includes a setting electricity
The frame number that pressure and the setting voltage maintain；And
One output step, receives a picture data, the phase signal and a final frame rate control signal and exports at least one drive
Dynamic Voltage selection signal, a latch-up signal and an at least gate control signal.
7. the driving method for the adjust automatically frame per second of electrophoretic display device (EPD) as claimed in claim 6, it is characterised in that: in institute
A collection step is additionally comprised after stating phase signal processing step, to multiple caused by multiple drive voltage signals
Control signal carries out connection collection, and operation obtains the final frame rate control signal.
8. the driving method for the adjust automatically frame per second of electrophoretic display device (EPD) as claimed in claim 6, it is characterised in that: in institute
An intersection step is additionally comprised after stating phase signal processing step, to multiple caused by multiple drive voltage signals
It controls signal and carries out intersection, and operation obtains the final frame rate control signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/384,341 US20180061332A1 (en) | 2016-08-24 | 2016-12-20 | Driving device of automatically adjusting frame rate for active matrix electrophoretic display and driving method thereof |
| EP16207013.0A EP3288017A1 (en) | 2016-08-24 | 2016-12-27 | Driving device of automatically adjusting frame rate for active matrix electrophoretic display and driving method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610712310 | 2016-08-24 | ||
| CN2016107123105 | 2016-08-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107784978A CN107784978A (en) | 2018-03-09 |
| CN107784978B true CN107784978B (en) | 2019-09-17 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667903A (en) * | 2010-01-15 | 2012-09-12 | 爱特梅尔公司 | Control of light-emitting-diode backlight illumination through frame insertion |
| CN102184696B (en) * | 2010-02-12 | 2014-10-15 | 友达光电股份有限公司 | Display with CLK phase or data phase auto-adjusting mechanism and method of driving same |
| CN101751845B (en) * | 2008-12-01 | 2016-12-14 | 乐金显示有限公司 | Control the unit of frame per second and method and with this unit and the liquid crystal display of method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751845B (en) * | 2008-12-01 | 2016-12-14 | 乐金显示有限公司 | Control the unit of frame per second and method and with this unit and the liquid crystal display of method |
| CN102667903A (en) * | 2010-01-15 | 2012-09-12 | 爱特梅尔公司 | Control of light-emitting-diode backlight illumination through frame insertion |
| CN102184696B (en) * | 2010-02-12 | 2014-10-15 | 友达光电股份有限公司 | Display with CLK phase or data phase auto-adjusting mechanism and method of driving same |
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