CN105575336A - Self generation method of driving waveform for electrophoresis display equipment - Google Patents
Self generation method of driving waveform for electrophoresis display equipment Download PDFInfo
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- CN105575336A CN105575336A CN201610028906.3A CN201610028906A CN105575336A CN 105575336 A CN105575336 A CN 105575336A CN 201610028906 A CN201610028906 A CN 201610028906A CN 105575336 A CN105575336 A CN 105575336A
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- 238000006243 chemical reaction Methods 0.000 claims description 4
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- 238000004891 communication Methods 0.000 description 2
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- 230000006742 locomotor activity Effects 0.000 description 2
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- 230000009466 transformation Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
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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 invention discloses a self generation method of a driving waveform for electrophoresis display equipment. The self generation method comprises calculating the luminance value of each gray scale; gradually increasing the positive voltage or negative voltage time length applied to a pixel electrode from the previous state to form a new driving waveform; driving the electrophoresis display equipment to display images and measure the luminance values; acquiring the luminance values and feeding back the luminance values to a control unit; determining whether the effect of the driving waveform is the required result by means of the control unit; if achieving the expected effect, saving the driving waveform and continuing operation to generate driving waveforms which are transformed from other states; and if not achieving the expected effect, generating a new driving waveform by continuously increasing the time length of positive voltage or negative voltage. The self generation method of a driving waveform for electrophoresis display equipment has the advantages of liberating the labor force and improving the work efficiency through automatic operation of the computer. The generated driving waveform is adaptive to the environment and hardware conditions so that the display effect is better. Compared with a traditional driving waveform, the high frequency driving mode enables human eyes to enjoy higher comfort degree.
Description
Technical field
The present invention relates to display technology field, particularly a kind of electro phoretic display device drive waveforms generation method.
Background technology
Microencapsulated Electrophoretic Display Technology is the Electronic Paper display technique of most main flow in the market, compared with other display techniques, has that energy consumption is little, the advantage of low cost of manufacture.Have in microcapsules and there are black and white two kinds of charged particles.White particle positively charged, black particle is electronegative.When the voltage driven of opposed polarity, black and white particle moves under the effect of electric field force, thus the various GTGs between black to white that generation human eye can be observed.
The design of drive waveforms needed for current electro phoretic display device is all complete manually, and design process is loaded down with trivial details, and needs continuity to design; If discontinuity completes, once external condition there occurs change, the global design result error obtained is larger.If the design of more multistage greyscale drive waveforms, the difficulty of engineer and time loss rate are just higher.
It is exactly very high for the susceptibility of environment and temperature that electro phoretic display device also has a high-definition feature.Under different environment temperatures, the locomotor activity of black and white particle is different with the stickiness of solution, causes needing drive waveforms under engineer's many covers different temperatures for calling.During simultaneously due to engineer, the drive waveforms under all temperature value conditions can not be designed, the large probable value just within the scope of certain, make drive waveforms also can only be barely satisfactory for the adaptation of external environment.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide and a kind ofly intelligence can adapt to varying environment and the good electro phoretic display device drive waveforms self-generating method of display effect.
The technical solution adopted in the present invention is:
A kind of electro phoretic display device drive waveforms self-generating method, comprises step: S1, gathers extreme display status data step, is driven into black extreme state and white extremity, gathers the brightness value of two kinds of extremities respectively from the original state of display device; S2, calculation procedure, according to the brightness value of two extremities, calculates the brightness value of each GTG; S3, generates new drive waveforms step, according to the brightness value of previous state and the brightness value of dbjective state, progressively increases the duration driving positive voltage or negative voltage, generates a new drive waveforms; S4, actuation step, utilizes the drive waveforms described in step S3 to drive electro phoretic display device display; S5, measuring process, measures the brightness value shown by display device; S6, feedback step, the brightness value described in acquisition step S5 also feeds back to control module; S7, determining step, whether the brightness value described in control module determining step S6 is target brightness value, then preserves the drive waveforms described in step S3 in this way, otherwise repeated execution of steps S3 to S7.
Preferably, described step S1 specifically comprises sub-step: S11, and electro phoretic display device applies positive voltage or the negative voltage of a period of time to pixel electrode from original state, when black extreme state or white extremity are stablized, stops driving; S12, after obtaining stable black extreme state and white extremity, obtains picture corresponding to black and white gray scale two kinds of extremities respectively with colorimeter measurement or camera, carries out AD conversion and analyze the brightness value obtaining two kinds of extremities to picture.
Preferably, described step S2 specifically comprises sub-step: S21, and the difference DELTA L* calculating adjacent GTG passes through formula
ΔL*=(WL*-BL*)/m
Calculate, wherein, m is that to subtract 1, WL* be brightness value corresponding to white extremity to required GTG sum, and BL* is the brightness value that black extreme state is corresponding; S22, the brightness value L * of each GTG passes through formula
L*=BL*+n*（ΔL*）
Calculate, wherein, n represents required GTG numbering.
Preferably, described step S3 is specially:
S31, display particle activates and erasing previous state step, gives one section of high-frequency pulse voltage, drive the display of display device to reach admixture from previous state;
S32, generates display NextState drive waveforms step, according to the brightness value of admixture and the brightness value of dbjective state, progressively increases the duration driving positive voltage or negative voltage, generates a new drive waveforms.
Preferably, high-frequency pulse voltage described in step S31 is the pulse voltage higher than 25Hz.
Preferably, described step S32 is specially: according to the brightness value of admixture and the brightness value of dbjective state, progressively increase peak value and be respectively the driving positive voltage of positive and negative 15V or the duration of negative voltage, namely from described admixture by the positive and negative 15V voltage of various combination duration, generate a new drive waveforms.
Preferably, described step S6 is specially: the brightness value described in acquisition step S5 feeds back to control module by UART serial ports.
The invention has the beneficial effects as follows:
The present invention, by automatically generating the method for drive waveforms, is made to have liberated manual labor, is automatically run by computing machine, improve work efficiency; The condition of hardware of adaptive environment and electro phoretic display device self when simultaneously designing, makes the drive waveforms designed more mate external condition, the effect optimization of display.
In addition, the drive waveforms adopted in the present invention is compared with traditional drive waveforms, and driving time is shorter.And conventional ADS driving waveform has four-stage, the flicker that 4 times human eye can be discovered can be produced, and the high-frequency pulse voltage that the drive waveforms in the present invention uses with the part activating black and white particle at erasing image, the flicker of this part is that human eye cannot be discovered, and only can produce 1 flicker at drive part.So decrease flashing times, thus the comfort level of human eye viewing have also been obtained raising.
The present invention can be widely used in various electro phoretic display device.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the drive waveforms design diagram of an embodiment of the present invention;
Fig. 2 is the schematic flow sheet of an embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 2, the present invention is used for the drive waveforms automatically generating self-adaptation electro phoretic display device under any environment of 0 DEG C to 50 DEG C (running temperature of electrophoretic display panel), comprising:
Gather extreme display status data step, be driven into black extreme state and white extremity from the original state of display device, gather brightness value respectively;
Calculation procedure, according to the brightness value of two extremities, with the brightness value of each GTG of formulae discovery;
Generate new drive waveforms step, progressively increase from previous state and be applied to positive voltage pixel electrode or the length of negative voltage time forms new drive waveforms;
Drive and measuring process, drive electro phoretic display device show and measure brightness value;
Feedback step, feeds back to control module by brightness value collection;
Determining step, control module judges whether the effect that drive waveforms effect thus shows is the result needed, reach expection then preserve this drive waveforms and continue to run the drive waveforms generating other state transformations, do not reach expection and then generate new drive waveforms by the duration continuing to increase positive voltage or negative voltage;
Circular flow step, control module is loaded into new drive waveforms, turns back to actuation step and continues to run;
End step, the global design of required drive waveforms completes, and preserves drive waveforms partial data.
On the basis of technique scheme, the present invention can also do following improvement.
Further, a kind of described electro phoretic display device drive waveforms self-generating method, gathers extremity data step and comprises:
Electro phoretic display device applies one section of positive voltage or negative voltage from original state to pixel electrode, when black extreme state or white extremity are stablized, stops driving.
After obtaining stable black extreme state and white extremity, carry out AD conversion analysis with colorimeter measurement or general camera acquisition picture and obtain brightness value.
Further, in a kind of described electro phoretic display device drive waveforms self-generating method, calculation procedure is by formula, and Δ L*=(white L*-black L*)/m calculates the difference of adjacent GTG, and wherein m is that required GTG sum subtracts 1; Then the brightness value of each GTG is by formula, L*=black L*+n*(Δ L*) calculate, n represents required GTG numbering.
Further, a kind of described electro phoretic display device drive waveforms self-generating method, generate new drive waveforms and comprise:
Display particle activates and erasing previous state part, and give one section of high-frequency pulse voltage from described previous state, described high-frequency pulse voltage is the pulse voltage higher than 25Hz, and peak value is respectively positive and negative 15V, drives and reaches admixture.
Drive display NextState part, from described admixture by the positive and negative 15V voltage of various combination duration, be driven into next display state.
Further, the driving display also measuring process in a kind of described electro phoretic display device drive waveforms self-generating method, electro phoretic display device is shown GTG according to the drive waveforms automatically generated by hardware driving, and measures shown brightness value.Described measuring process can be colorimeter measure also can be other general camera obtain picture carry out luminance value analysis.
Further, the data feedback of brightness value is come by UART serial communication to control module by the feedback step in a kind of described electro phoretic display device drive waveforms self-generating method.
Further, each step in a kind of described electro phoretic display device drive waveforms self-generating method is all run successively, and can run by loop iteration before the overall drive waveforms design not completing expection, required drive waveforms data can be preserved in the process.
Further, the admixture in a kind of described electro phoretic display device drive waveforms self-generating method is a nondeterministic statement, cannot predict.The concept existed in designing from traditional drive waveforms with reference to GTG and intermediate state is different, and the inventive method is the method for being mated according to the brightness value of given target gray by computing machine, and automatic searching goes out required drive waveforms, and does not need manual intervention search procedure.
Be generated as example with level Four GTG drive waveforms below, specifically describe implementation procedure of the present invention.
Fig. 1 is the present invention one specific embodiment drive waveforms design diagram, and as shown in Figure 1, in this specific embodiment, drive waveforms comprises two stages: 1, wipe previous state image and activate black and white seed activity, 2, be driven into target gray scale state.
In the 1st stage by one group of high-frequency pulse signal, wipe the image of previous stage and improve the locomotor activity of black and white particle fast, due to pulse signal be square-wave signal and frequency higher than 25HZ, be greater than the frequency that human eye can be perceived, the flicker human eye that produced catch less than, thus decrease electrophoretic display device (EPD) flicker.
Admixture after 2nd stage terminated from the 1st stage, is driven into next image state.
The image information of the admixture obtained after the 1st stage terminated is unpredictable, different from obtaining some specific methods with reference to GTG in traditional drive waveforms.So also can reduce driving duration, improve the response speed of electrophoretic display device (EPD) display image.
Measured by colorimeter or general camera gather image carry out AD conversion and analyze brightness value information obtaining data result.Then by UART serial communication, data result is passed to control module, control module judge this brightness value result whether design with overall drive waveforms in the brightness value of required GTG mate.
If coupling, then preserve the drive waveforms data under this state transformation, and judged whether the design of overall drive waveforms, do not complete, get back to and produce new drive waveforms step continuation operation, complete, terminate, the design of overall drive waveforms completes;
If do not mate, get back to and produce new drive waveforms step continuation operation.
Fig. 2 is a kind of electro phoretic display device driving method of the present invention schematic flow sheet, as shown in Figure 2, a kind of electro phoretic display device drive waveforms of the present invention self-generating method, for automatically generating the drive waveforms of adaptive electro phoretic display device under any environment of 0 DEG C to 50 DEG C (running temperature of electrophoretic display panel); The method comprises: (being designed to example with quadravalence drive waveforms)
Gather extreme display status data step, be driven into black extreme state and white extremity from the original state of display device, such as, collection black extreme state and white extremity brightness value are respectively 80 and 200;
Calculation procedure, according to the brightness value of two extremities, with the brightness value of each GTG of formulae discovery, such as, when level Four GTG, then
ΔL*=(WL*-BL*)/m=(200-80)/3=40；
Each gray-scale intensity values passes through formula
L*=BL*+n*（ΔL*）
Calculate, such as:
Light gray (GTG numbering 2) L*=80+2*40=160;
Dark-grey (GTG numbering 1) L*=80+1*40=120.
Generate new drive waveforms step, progressively increase from previous state and be applied to positive voltage pixel electrode or the length of negative voltage time forms new drive waveforms; If previous state is white states, first drive the positive 15V voltage of 20MS, the brightness value obtained is 178, do not belong to any we need the brightness value of GTG.Increase when driving and grow to 40MS, obtaining brightness value is 120, mates, record the drive waveforms that white states is changed to dark grey state with the dark-grey brightness value that we need, and the length of drive part is 40MS; The brightness value of the light gray simultaneously needed is 160, and drives the positive 15V voltage of 40MS to obtain gray-scale intensity values to be less than this value, then increase the negative 15V voltage of 20MS duration to pixel electrode, now obtaining gray-scale intensity values is 145, is less than required brightness value equally, continues increase; With the method Operating match repeatedly, the drive part obtaining the drive waveforms from white states to light grey state is that the positive 15V voltage of 40MS adds the negative 15V voltage of 80MS and the positive 15V voltage of 40MS.In like manner can obtain drive waveforms when mutually carrying out State Transferring between each GTG.
End step, the global design of required drive waveforms completes, and preserves drive waveforms partial data.
The process of the whole design of the present invention is all that program is run automatically, has liberated manual labor, has improve work efficiency; The condition of hardware of adaptive environment and electro phoretic display device self when simultaneously designing, makes the drive waveforms designed more mate with external condition, the effect optimization of display.
In the present embodiment, design be level Four greyscale drive waveforms as an example, but in the present invention drive waveforms be applicable to multi-stage grey scale drive waveforms from production method.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (7)
1. an electro phoretic display device drive waveforms self-generating method, is characterized in that, comprise step:
S1, gathers extreme display status data step, is driven into black extreme state and white extremity, gathers the brightness value of two kinds of extremities respectively from the original state of display device;
S2, calculation procedure, according to the brightness value of two extremities, calculates the brightness value of each GTG;
S3, generates new drive waveforms step, according to the brightness value of previous state and the brightness value of dbjective state, progressively increases the duration driving positive voltage or negative voltage, generates a new drive waveforms;
S4, actuation step, utilizes the drive waveforms described in step S3 to drive electro phoretic display device display;
S5, measuring process, measures the brightness value shown by display device;
S6, feedback step, the brightness value described in acquisition step S5 also feeds back to control module;
S7, determining step, whether the brightness value described in control module determining step S6 is target brightness value, then preserves the drive waveforms described in step S3 in this way, otherwise repeated execution of steps S3 to S7.
2. a kind of electro phoretic display device drive waveforms self-generating method according to claim 1, it is characterized in that, described step S1 specifically comprises sub-step:
S11, electro phoretic display device applies positive voltage or the negative voltage of a period of time to pixel electrode from original state, when black extreme state or white extremity are stablized, stop driving;
S12, after obtaining stable black extreme state and white extremity, obtains picture corresponding to black and white gray scale two kinds of extremities respectively with colorimeter measurement or camera, carries out AD conversion and analyze the brightness value obtaining two kinds of extremities to picture.
3. a kind of electro phoretic display device drive waveforms self-generating method according to claim 1, it is characterized in that, described step S2 specifically comprises sub-step:
S21, the difference DELTA L* calculating adjacent GTG passes through formula
ΔL*=(WL*-BL*)/m
Calculate, wherein, m is that to subtract 1, WL* be brightness value corresponding to white extremity to required GTG sum, and BL* is the brightness value that black extreme state is corresponding;
S22, the brightness value L * of each GTG passes through formula
L*=BL*+n*（ΔL*）
Calculate, wherein, n represents required GTG numbering.
4. a kind of electro phoretic display device drive waveforms self-generating method according to claim 1, it is characterized in that, described step S3 is specially:
S31, display particle activates and erasing previous state step, gives one section of high-frequency pulse voltage, drive the display of display device to reach admixture from previous state;
S32, generates display NextState drive waveforms step, according to the brightness value of admixture and the brightness value of dbjective state, progressively increases the duration driving positive voltage or negative voltage, generates a new drive waveforms.
5. a kind of electro phoretic display device drive waveforms self-generating method according to claim 4, it is characterized in that, high-frequency pulse voltage described in step S31 is the pulse voltage higher than 25Hz.
6. a kind of electro phoretic display device drive waveforms self-generating method according to claim 4, it is characterized in that, described step S32 is specially: according to the brightness value of admixture and the brightness value of dbjective state, progressively increase peak value and be respectively the driving positive voltage of positive and negative 15V or the duration of negative voltage, namely from described admixture by the positive and negative 15V voltage of various combination duration, generate a new drive waveforms.
7. a kind of electro phoretic display device drive waveforms self-generating method according to any one of claim 1 to 6, it is characterized in that, described step S6 is specially: the brightness value described in acquisition step S5 feeds back to control module by UART serial ports.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986751A (en) * | 2018-07-03 | 2018-12-11 | 深圳市国华光电科技有限公司 | A kind of electrophoretic display device (EPD) realizes the control method and system of texture optimization |
| CN111369950A (en) * | 2020-03-11 | 2020-07-03 | 广州奥翼材料与器件研究院有限公司 | Driving method of electrophoretic display |
| CN109801600B (en) * | 2019-02-26 | 2020-11-17 | 江西兴泰科技有限公司 | Method for displaying four-gray-scale color by electronic price tag |
| CN113920952A (en) * | 2021-10-20 | 2022-01-11 | 京东方科技集团股份有限公司 | Electronic paper debugging method, electronic paper, debugging system and equipment |
| CN115359761A (en) * | 2022-08-16 | 2022-11-18 | 广州文石信息科技有限公司 | Ink screen display control method and device based on key frame |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008152228A (en) * | 2006-12-13 | 2008-07-03 | Lg Phillips Lcd Co Ltd | Electrophoresis display and driving method thereof |
| CN101364381A (en) * | 2007-08-09 | 2009-02-11 | 元太科技工业股份有限公司 | Active electrophoretic display driving method |
| CN101727819A (en) * | 2008-10-24 | 2010-06-09 | 四川世纪双虹显示器件有限公司 | Method for enhancing image grey scale quality of AC plasma display |
| US20110148833A1 (en) * | 2009-12-17 | 2011-06-23 | Hong Fu Jin Precision Industry (Shenzhen)Co., Ltd. | Electrophoretic display and method for adjustting driving settings thereof |
| CN103680426A (en) * | 2013-12-27 | 2014-03-26 | 深圳市国华光电科技有限公司 | Driving method for improving activation mode of electrophoretic display |
| CN103676395A (en) * | 2012-09-14 | 2014-03-26 | Nlt科技股份有限公司 | Electrophoretic display device and driving method thereof |
| CN103985333A (en) * | 2013-12-26 | 2014-08-13 | 上海中航光电子有限公司 | Gamma value measuring method of display apparatus |
| CN105118443A (en) * | 2015-06-25 | 2015-12-02 | 华南师范大学 | Electrophoresis display device driving method and electrophoresis display device |
-
2016
- 2016-01-15 CN CN201610028906.3A patent/CN105575336B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008152228A (en) * | 2006-12-13 | 2008-07-03 | Lg Phillips Lcd Co Ltd | Electrophoresis display and driving method thereof |
| CN101364381A (en) * | 2007-08-09 | 2009-02-11 | 元太科技工业股份有限公司 | Active electrophoretic display driving method |
| CN101727819A (en) * | 2008-10-24 | 2010-06-09 | 四川世纪双虹显示器件有限公司 | Method for enhancing image grey scale quality of AC plasma display |
| US20110148833A1 (en) * | 2009-12-17 | 2011-06-23 | Hong Fu Jin Precision Industry (Shenzhen)Co., Ltd. | Electrophoretic display and method for adjustting driving settings thereof |
| CN103676395A (en) * | 2012-09-14 | 2014-03-26 | Nlt科技股份有限公司 | Electrophoretic display device and driving method thereof |
| CN103985333A (en) * | 2013-12-26 | 2014-08-13 | 上海中航光电子有限公司 | Gamma value measuring method of display apparatus |
| CN103680426A (en) * | 2013-12-27 | 2014-03-26 | 深圳市国华光电科技有限公司 | Driving method for improving activation mode of electrophoretic display |
| CN105118443A (en) * | 2015-06-25 | 2015-12-02 | 华南师范大学 | Electrophoresis display device driving method and electrophoresis display device |
Non-Patent Citations (1)
| Title |
|---|
| 周国富，易子川，王利，卢伟雄: "电泳电子纸驱动波形研究现状与前景", 《华南师范大学学报》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986751A (en) * | 2018-07-03 | 2018-12-11 | 深圳市国华光电科技有限公司 | A kind of electrophoretic display device (EPD) realizes the control method and system of texture optimization |
| CN108986751B (en) * | 2018-07-03 | 2020-04-21 | 深圳市国华光电科技有限公司 | Control method and system for realizing texture optimization of electrophoretic display |
| CN109801600B (en) * | 2019-02-26 | 2020-11-17 | 江西兴泰科技有限公司 | Method for displaying four-gray-scale color by electronic price tag |
| CN111369950A (en) * | 2020-03-11 | 2020-07-03 | 广州奥翼材料与器件研究院有限公司 | Driving method of electrophoretic display |
| CN113920952A (en) * | 2021-10-20 | 2022-01-11 | 京东方科技集团股份有限公司 | Electronic paper debugging method, electronic paper, debugging system and equipment |
| CN113920952B (en) * | 2021-10-20 | 2023-03-14 | 京东方科技集团股份有限公司 | Electronic paper debugging method, electronic paper, debugging system and equipment |
| CN115359761A (en) * | 2022-08-16 | 2022-11-18 | 广州文石信息科技有限公司 | Ink screen display control method and device based on key frame |
| CN115359761B (en) * | 2022-08-16 | 2023-07-18 | 广州文石信息科技有限公司 | Ink screen display control method and device based on key frames |
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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: ACADEMY OF SHENZHEN GUOHUA OPTOELECTRONICS Country or region before: China Patentee before: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. Patentee before: SOUTH CHINA NORMAL University |
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Application publication date: 20160511 Assignee: Guangxian Technology (Guangdong) Co.,Ltd. Assignor: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. Contract record no.: X2024980014574 Denomination of invention: A method for generating driving waveforms for electrophoretic display devices Granted publication date: 20180424 License type: Exclusive License Record date: 20240910 |
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