CN105895032B - A kind of the electrophoretic electronic paper driving method and system of temperature Self Matching - Google Patents
A kind of the electrophoretic electronic paper driving method and system of temperature Self Matching Download PDFInfo
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- CN105895032B CN105895032B CN201610120574.1A CN201610120574A CN105895032B CN 105895032 B CN105895032 B CN 105895032B CN 201610120574 A CN201610120574 A CN 201610120574A CN 105895032 B CN105895032 B CN 105895032B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002245 particle Substances 0.000 claims description 25
- 230000004913 activation Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 5
- 238000013102 re-test Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 241001270131 Agaricus moelleri Species 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000565357 Fraxinus nigra Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006742 locomotor activity Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
Classifications
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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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2230/00—Details of flat display driving waveforms
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The invention discloses a kind of electrophoretic electronic paper driving method of temperature Self Matching and systems.Method includes：S1 establishes drive waveforms and vs. temperature in waveform inquiry table；S2 acquires Current Temperatures, and selects matched drive waveforms in waveform inquiry table according to Current Temperatures；S3 generates drive waveforms driving Electronic Paper and shows gray scale.System includes temperature sensing unit, storage unit and display driver element.The present invention is automatically selected corresponding drive waveforms, is improved the display effect of electrophoretic electronic paper, improve display efficiency by the variation of temperature sensing unit sense temperature, display driver element pixel driver electrode.It the composite can be widely applied to various electrophoretic electronic paper systems.
Description
Technical field
The present invention relates to electrophoretic display panel field more particularly to a kind of electrophoretic electronic paper driving method and systems.
Background technology
Electrophoretic electronic paper was shown due to the advantages of combining plain paper and electronic console, was had become a kind of very heavy
The presentation of information carrier wanted has been widely used for electronical display card, electronic tag, electronic bill-board, electronic paper, soft at present
Property electronic reader etc..Compared with other display technologies, still there is higher comparison when big visual angle and environmental light intensity change very greatly
Degree.With bistable characteristic, after external battery disappears, remain to that image information retention time is allow to be up to more than some months,
It is a kind of display technology having energy conservation and environmental protection characteristic.The grayscale of electrophoretic electronic paper is shown, mainly by being applied to pixel electrode
On contact potential series drive to be formed, this contact potential series is referred to as drive waveforms.
Electrophoretic display technology is reciprocal in the case where adding vertical electric field effect outside by being wrapped in the microcapsules of coloured charged particle
Movement, shows different images.Positively charged black particles and electronegative white particle can be moved down in the control of electric field
It moves to upper surface, to form the pixel of black or white.Therefore, under the influence of certain voltage value, white particles and black
Particle can be moved to certain fixed direction, so as to be worth to a series of grayscale by changing the voltage on pixel electrode.Electricity
Phoretic display adds a TFT backplate, then applies suitable drive waveforms on the electrode.Electrophoretic particles can be driven to show
Different grayscale.
According to before gray value and final gray value directly invoke the drive waveforms in inquiry table apply a driving voltage
Control pixel shows corresponding gray value, when reaching target gray scale, can carry out the activation of black and white particle so that black and white particle is abundant
Mixing improves locomotor activity.However at different temperature, the activity and motion state of particle also differ, and temperature is low, particle
Poor activity, run duration is long, and the total time of designed drive waveforms is also relatively elongated, the ring residing for the electrophoretic electronic display
When border temperature is high, Particles Moving is fast, in contrast the time will shorten, but the structural requirement temperature of particle has certain specific model
It encloses, is more than this particular range, the surface nature of particle can be destroyed.
Currently, in traditional electrophoretic electronic paper drive waveforms, main there are three stage compositions：It wipes original image, swash
The new grayscale of bioplast, display.However, each stage is required to hundreds of milliseconds of time, so that when drive waveforms at this stage
Between length had reached 500ms, seriously affected the response speed of Electronic Paper.For drive waveforms different phase to driving
Effect, it is fully merged, to shorten drive waveforms length.Meanwhile for the different driving wave of different temperatures editor
Shape, can effectively shorten the response time, and carry high display quality.
Invention content
In order to solve the above-mentioned technical problem, the object of the present invention is to provide one kind can adaptively adjusting drive according to temperature change
The electrophoretic electronic paper driving method and system of dynamic waveform.
The technical solution adopted in the present invention is：
A kind of electrophoretic electronic paper driving method of temperature Self Matching, including step：
S1 establishes drive waveforms and vs. temperature in waveform inquiry table；
S2 acquires Current Temperatures, and selects matched drive waveforms in waveform inquiry table according to Current Temperatures；
S3 generates drive waveforms driving Electronic Paper and shows gray scale.
Preferably, the step S1 specifically includes sub-step：
S11 determines total driving time of different temperatures by pulse duration test experiments；
S12, according to different driving times, editor's erasing part drive waveforms determine different temperatures and different grayscale pair
The brightness value answered；
S13 establishes the correspondence of different temperatures, different grayscale and drive waveforms in waveform inquiry table.
Preferably, the different grayscale includes black, dark-grey, light gray, white four grayscale；The different temperatures is：From 5 DEG C-
45 DEG C, with every 5 DEG C 9 temperature values for interval.
Preferably, drive waveforms described in step S2 include that the original grayscale of erasing, activation charged particle and display are new
The drive waveforms of grayscale three phases.
Preferably, the drive waveforms driving of the activation charged particle becomes black grey scale from other grayscale, and using black
Color grayscale is with reference to grayscale；The drive waveforms driving for showing new grayscale reaches each target gray scale from black grey scale.
Preferably, the step S3 is specially：The drive waveforms to match with Current Temperatures are generated, the picture of Electronic Paper is driven
Vegetarian refreshments display target gray scale.
Preferably, drive waveforms institute's making alive in entirely driving cycle period integrally abides by DC balance principle.
A kind of electrophoretic electronic paper drive system of temperature Self Matching, including temperature sensing unit, storage unit and display are driven
Moving cell；The temperature sensing unit is used for collecting temperature parameter；The storage unit includes waveform inquiry table, and the waveform is looked into
Inquiry table records the correspondence for having drive waveforms and temperature；The display driver element is used to be inquired from waveform according to temperature parameter
Matched drive waveforms are called in table to drive Electronic Paper to show gray scale.
Preferably, the display driver element includes multiple pixel driver electrodes, and the pixel driver electrode is used for basis
Drive waveforms driving pixel shows corresponding grayscale.
Preferably, the drive waveforms are positive and negative 15V square-wave voltages sequence.
The beneficial effects of the invention are as follows：
The present invention is automatically selected by the variation of temperature sensing unit sense temperature, display driver element pixel driver electrode
Corresponding drive waveforms are selected, the display effect of electrophoretic electronic paper is improved, improves display efficiency.
In addition, the present invention considers that in gray-scale Control, previous grayscale can influence target gray scale, and the stickiness of suspension
And the characteristics of operating lag, reduces ghost black grey scale as with reference to grayscale.
It the composite can be widely applied to various electrophoretic electronic paper systems.
Description of the drawings
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is that a kind of embodiment of the method for the present invention drive waveforms applies V diagram；
Fig. 2 is that required total driving duration experimental data signal when different temperatures is corresponded in a kind of embodiment of the method for the present invention
Figure；
Fig. 3 is that a kind of embodiment of the method for the present invention corresponds to each grayscale value experimental data schematic diagram when different temperatures；
Fig. 4 is image display effect figure of the conventional drive method in 5 DEG C of low temperature；
A kind of image display effect figure of the embodiment of Fig. 5 driving methods of the present invention in 5 DEG C of low temperature.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Basic idea of the present invention is to design a kind of new type of drive method, edits the inquiry table in drive waveforms, the wave
Shape inquiry table, which is divided into, wipes original grayscale, activation charged particle and shows new grayscale three phases, according to different temperature
Different drive waveforms are selected, when temperature changes, the variation of temperature sensing unit sense temperature, display driver element pixel is driven
Moving electrode automatically calls in inquiry table the drive waveforms of Temperature Matching therewith, and gray scale is finally shown on electrophoretic display device (EPD).
A kind of electrophoretic electronic paper driving method of temperature Self Matching, including step：
S1 establishes drive waveforms and vs. temperature in waveform inquiry table；
S2 acquires Current Temperatures, and selects matched drive waveforms in waveform inquiry table according to Current Temperatures；
S3 generates drive waveforms driving Electronic Paper and shows gray scale.
Preferably, the step S1 specifically includes sub-step：
S11 determines total driving time of different temperatures by pulse duration test experiments；
S12, according to different driving times, editor's erasing part drive waveforms determine different temperatures and different grayscale pair
The brightness value answered；
S13 establishes the correspondence of different temperatures, different grayscale and drive waveforms in waveform inquiry table.
Preferably, the different grayscale includes black, dark-grey, light gray, white four grayscale；The different temperatures is：From 5 DEG C-
45 DEG C, with every 5 DEG C 9 temperature values for interval.
Preferably, drive waveforms described in step S2 include that the original grayscale of erasing, activation charged particle and display are new
The drive waveforms of grayscale three phases.
Preferably, the drive waveforms driving of the activation charged particle becomes black grey scale from other grayscale, and using black
Color grayscale is with reference to grayscale；The drive waveforms driving for showing new grayscale reaches each target gray scale from black grey scale.
Preferably, the step S3 is specially：The drive waveforms to match with Current Temperatures are generated, the picture of Electronic Paper is driven
Vegetarian refreshments display target gray scale.
Preferably, drive waveforms institute's making alive in entirely driving cycle period integrally abides by DC balance principle.
Refer in drive cycle in accordance with DC balance principle, positive voltage and negative voltage their duration summations are identical.
Below by taking four grayscale as an example, realization process of the present invention is described in detail.
The first step determines total driving time of different temperatures by pulse duration test experiments.Fig. 2 is a kind of preferred
Required total driving duration schematic diagram when corresponding different temperatures.
Specifically, under assigned temperature, design B (black grey scale) → W (white grayscale), W → W and the W of different durations →
B, two groups of waveforms of B → B, are tested respectively.Select B → W, W → W groups reach W grayscale values it is equal when driving duration t1, select W →
B, driving duration t2 when B → B groups arrival B grayscale values are equal.If t1=t2, it is determined that go out best total driving at this temperature
Duration.If t1 ≠ t2, duration interval is adjusted, is retested.
Second step, according to different driving times, editor's erasing part drive waveforms determine that different temperatures reaches black ash
The brightness value L * of rank and white grayscale.
Third walks, and the brightness value L * of other gray scales can be obtained by formula (2), and wherein R is reflectivity, and L* is brightness,
Reflected Light are reflected light, and Incident Light are incident light.
R=(Reflected Light)/(Incident Light) × 100% (1)
Reference white reflectivity R values are 99%, black 2%, and practical due to material cause, and electrophoresis white displays screen is most
Big R values are 37%, and the R values of black are 2.7%.The L* values for then calculating white are 60, and the L* values of black are 15.Because L* with
R is linear, then other dark-grey and light gray brightness L* values can be calculated according to formula (3), and wherein Δ L* is adjacent ash
Luminance difference between rank.
/ 3 (3) Δ L*=(white L*- black L*)
Each grayscale value schematic diagram is shown in Fig. 4 when a kind of preferred corresponding different temperatures.
4th step, due to wiping the limitation of stage drive waveforms length, positively charged white pigment particle and electronegative
Black pigment particle cannot be activated fully, and the screen reflection rate of white grayscale is reached by different original gray-scales and can't have been reached
It is exactly the same, therefore, in the activation of particle, need to refresh again.Select black grey scale as ginseng in the particle irradiation stage
Grayscale is examined, grayscale is referred to because being used as using black, other gray levels will not be lacked.
5th step applies new grayscale pulse, shows new image.
Specifically, as shown in Figure 1, during new image is written, need to apply voltage pulse to include at the first time
The positive voltage (for wiping original grayscale) of length T1, the negative voltage (for activating charged particle) of the second time span T2 and
The driving voltage of third time span T3 (for showing new grayscale).
6th step, the T1 are that grayscale to white applies the voltage most suitable time, and T2 is from white states to extreme black
The time required to state.Reset voltage pulse includes the T1 negative voltages of first time length and the T2 positive voltages of the second time span.
After the positive voltage for applying first time length T1, electrophoretic display device (EPD) is displayed in white state.Apply the negative voltage of the second time span
Afterwards, electrophoretic display device (EPD) shows extreme black state.The third time span T3 is that extreme black state is applied to new write-in image
The time required to making alive.After the voltage for applying third time span T3, electrophoretic display device (EPD) display target gray scale states.The new figure of write-in
Picture follows DC balance in whole cycle.
A kind of electrophoretic electronic paper drive system of temperature Self Matching, including temperature sensing unit, storage unit and display are driven
Moving cell；The temperature sensing unit is used for collecting temperature parameter；The storage unit includes waveform inquiry table, and the waveform is looked into
Inquiry table records the correspondence for having drive waveforms and temperature；The display driver element is used to be inquired from waveform according to temperature parameter
Matched drive waveforms are called in table to drive Electronic Paper to show gray scale.
Preferably, the display driver element includes multiple pixel driver electrodes, and the pixel driver electrode is used for basis
Drive waveforms driving pixel shows corresponding grayscale.
Preferably, the drive waveforms are positive and negative 15V square-wave voltages sequence.Driving of the present embodiment in device display pixel
Apply positive and negative 15V square-wave voltages on electrode to realize display driving.
The present invention provides a kind of electrophoretic electronic paper type of drive of temperature Self Matching.Because if in the variation of all temperature
Only a kind of drive waveforms, then display effect can be excessively poor.When temperature changes, the change of temperature sensing unit sense temperature
To change, display driver element pixel driver electrode automatically selects corresponding drive waveforms, then display effect is improved,
Improve efficiency.Due to the Memorability of electrooptic effect, in gray-scale Control, previous grayscale can influence target gray scale.And consider
To suspension stickiness and operating lag the characteristics of, black grey scale as with reference to grayscale, reduce ghost.Such as Fig. 4 and Fig. 5 institutes
Show, is had clear improvement compared to image display effect of the conventional drive method in 5 DEG C of low temperature using driving method of the present invention.
The present invention is automatically selected by the variation of temperature sensing unit sense temperature, display driver element pixel driver electrode
Corresponding drive waveforms are selected, the display effect of electrophoretic electronic paper is improved, improves display efficiency.
In addition, the present invention considers that in gray-scale Control, previous grayscale can influence target gray scale, and the stickiness of suspension
And the characteristics of operating lag, reduces ghost using black grey scale as grayscale is referred to.
It the composite can be widely applied to various electrophoretic electronic paper systems.
It is to be illustrated to the preferable implementation of the present invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations or be replaced under the premise of without prejudice to spirit of that invention
It changes, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (9)
1. a kind of electrophoretic electronic paper driving method of temperature Self Matching, which is characterized in that including step：
S1 establishes drive waveforms and vs. temperature in waveform inquiry table；
S2 acquires Current Temperatures, and selects matched drive waveforms in waveform inquiry table according to Current Temperatures；
S3 generates drive waveforms driving Electronic Paper and shows gray scale；
The step S1 specifically includes sub-step：
S11 determines total driving time of different temperatures by pulse duration test experiments；
S12, according to different driving times, editor's erasing part drive waveforms determine that different temperatures and different grayscale are corresponding
Brightness value；
S13 establishes the correspondence of different temperatures, different grayscale and drive waveforms in waveform inquiry table；
The specific steps of the S11 include：
Total driving time of different temperatures is determined by pulse duration test experiments；The pulse duration is tested：Referring to
Determine at temperature, design two groups of B (black grey scale) → W (white grayscale), W → W and W → B, B → B waveforms of different durations, respectively
Test；Select B → W, W → W groups reach W grayscale values it is equal when driving duration t1, select W → B, B → B groups arrival B grayscale values
Driving duration t2 when equal；If t1=t2, it is determined that go out best total driving duration at this temperature；If t1 ≠ t2 is adjusted
Whole duration interval, retests.
2. a kind of electrophoretic electronic paper driving method of temperature Self Matching according to claim 1, which is characterized in that it is described not
Include black, dark-grey, light gray, white four grayscale with grayscale；The different temperatures is：It is the 9 of interval with every 5 DEG C from 5 DEG C -45 DEG C
A temperature value.
3. according to a kind of electrophoretic electronic paper driving method of temperature Self Matching of claim 1 to 2 any one of them, feature exists
In drive waveforms described in step S2 include the original grayscale of erasing, activation charged particle and show new grayscale three phases
Drive waveforms.
4. a kind of electrophoretic electronic paper driving method of temperature Self Matching according to claim 3, which is characterized in that described to swash
The drive waveforms of charged particle living, which drive from other grayscale, becomes black grey scale, and uses black grey scale for reference to grayscale；It is described
Show that the drive waveforms driving of new grayscale reaches each target gray scale from black grey scale.
5. a kind of electrophoretic electronic paper driving method of temperature Self Matching according to claim 1, which is characterized in that the step
Suddenly S3 is specially：The drive waveforms to match with Current Temperatures are generated, the pixel display target gray scale of Electronic Paper is driven.
6. a kind of electrophoretic electronic paper driving method of temperature Self Matching according to claim 1,2,4 or 5, feature exist
In drive waveforms institute's making alive in entirely driving cycle period integrally abides by DC balance principle.
7. a kind of electrophoretic electronic paper drive system of temperature Self Matching, which is characterized in that including temperature sensing unit, storage unit
And display driver element；
The temperature sensing unit is used for collecting temperature parameter；
The storage unit includes waveform inquiry table, and the waveform inquiry table record has the correspondence of drive waveforms and temperature；
The display driver element be used to be called from waveform inquiry table according to temperature parameter matched drive waveforms with
Electronic Paper is driven to show gray scale.
8. a kind of electrophoretic electronic paper drive system of temperature Self Matching according to claim 7, which is characterized in that described aobvious
Show that driving unit includes multiple pixel driver electrodes, the pixel driver electrode is used to drive pixel to show phase according to drive waveforms
Answer grayscale.
9. a kind of electrophoretic electronic paper drive system of temperature Self Matching according to claim 7 or 8, which is characterized in that institute
It is positive and negative 15V square-wave voltages sequence to state drive waveforms.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108597460A (en) * | 2018-07-18 | 2018-09-28 | 大连龙宁科技有限公司 | A kind of electrophoretype electric paper apparatus and its driving method to prolong the service life |
| CN109637464A (en) * | 2019-01-30 | 2019-04-16 | 掌阅科技股份有限公司 | Display device of electronic paper |
| CN109697961B (en) | 2019-02-26 | 2020-09-11 | 掌阅科技股份有限公司 | Ink screen reading device, screen driving method thereof and storage medium |
| CN110085175B (en) * | 2019-04-22 | 2021-05-04 | 深圳市国华光电科技有限公司 | Electrowetting ink driving method and related equipment |
| CN112992082B (en) * | 2021-03-11 | 2022-03-11 | 青岛海信移动通信技术股份有限公司 | Electronic equipment and refreshing method of electronic ink screen thereof |
| CN113763891A (en) * | 2021-09-06 | 2021-12-07 | 江西兴泰科技有限公司 | Electronic paper driving method for automatically removing residual shadows |
| CN114373430B (en) * | 2022-01-21 | 2023-07-21 | 重庆京东方智慧电子系统有限公司 | Electrophoretic particle driving data display method and device, equipment and medium |
| CN114639354B (en) * | 2022-02-24 | 2024-04-12 | 大连龙宁科技有限公司 | Driving method of electronic paper module with double display modes |
| CN116504189B (en) * | 2023-04-28 | 2024-01-05 | 广州文石信息科技有限公司 | Electronic ink screen driving method, device, equipment and readable storage medium |
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| JP5454884B2 (en) * | 2009-02-17 | 2014-03-26 | セイコーエプソン株式会社 | Electrophoretic display unit driving apparatus, electrophoretic apparatus, electronic apparatus, and electrophoretic display unit driving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1557714B1 (en) * | 1998-04-10 | 2013-11-06 | E Ink Corporation | Full color reflective display with multichromatic sub-pixels |
| CN1853216A (en) * | 2003-09-18 | 2006-10-25 | 皇家飞利浦电子股份有限公司 | An electrophoretic display with reduced look-up-table memory |
| CN102044218A (en) * | 2010-09-05 | 2011-05-04 | 苏州佳世达电通有限公司 | Electronic paper display device |
| CN101986380A (en) * | 2010-11-04 | 2011-03-16 | 友达光电股份有限公司 | Driving method for electrophoretic display device and panel thereof |
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Effective date of registration: 20240613 Address after: 518000 b715, Yinxing technology building, 1301 Guanlan community sightseeing Road, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. Country or region after: China Address before: 518110 703-1, 7th floor, No. 1301-1, sightseeing Road, dabuxiang community, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. Country or region before: China Patentee before: ACADEMY OF SHENZHEN GUOHUA OPTOELECTRONICS Patentee before: SOUTH CHINA NORMAL University |