CN109671400A - A kind of double-colored and three color electronics paper matrix group Local hydrodynamic units and fast refresh drive waveforms adjustment methods - Google Patents
A kind of double-colored and three color electronics paper matrix group Local hydrodynamic units and fast refresh drive waveforms adjustment methods Download PDFInfo
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- CN109671400A CN109671400A CN201811568793.1A CN201811568793A CN109671400A CN 109671400 A CN109671400 A CN 109671400A CN 201811568793 A CN201811568793 A CN 201811568793A CN 109671400 A CN109671400 A CN 109671400A
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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
- 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
- G09G3/2003—Display of colours
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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
Abstract
The present invention provides a kind of double-colored and three color electronics paper matrix group Local hydrodynamic units and fast refresh drive waveforms adjustment methods, including electronics paper matrix group, integrated circuit and driver；The drive waveforms adjustment method of the Local hydrodynamic unit refers to the positioning signal for sending electronics paper matrix group to integrated circuit by driver, refreshes waveform signal in electronics paper matrix group specific region；The drive waveforms adjustment method of the fast refresh, it is that original waveform signal generating positive and negative voltage section for repeating to refresh is become by no-voltage section by positioning signal, and then increases the no-voltage section of waveform signal or reduce the generating positive and negative voltage section of waveform signal, the driving time for shortening waveform signal, to quickly update picture；It is described to repeat to refresh the lifting moving circulation for referring to charged particle in a refresh process.Compared with conventional ADS driving waveform, double-colored and three color electronics paper matrix group fast refresh drive waveforms methods of the invention, small power consumption, refresh time is short, can be refreshed in electronics paper matrix group specific region.
Description
Technical field
The present invention relates to electronic paper technology field, specifically a kind of double-colored and three color electronics paper matrix group Local hydrodynamic units and quickly
The drive waveforms adjustment method of refreshing.
Background technique
Electronic Paper is a kind of using display screen made of electrophoretic display technology, is by drive integrated circult to each pixel
It continuously applies the waveform of driving voltage and achievees the effect that show image.Bi-color electronic paper is to be packaged in black, leukorrhea charged particle
In same capsule structure, three color Electronic Papers refer to that three kinds of color charged particles such as black and white is red or black and white is yellow or black and white is blue are packaged in
In same capsule structure, by the lifting moving of the red particle of black and white of the positive and negative electric field controls difference charge of outer application, to show
Black and white is double-colored and three color display effects.
Traditional drive waveforms are divided into 3 stages, wipe original color range first to white or black；Then activation electrification
Particle is convenient for writing with a brush dipped in Chinese ink new color range；It is ultimately written new color range, but switch time of the conventional ADS driving waveform for display is very long,
Up to several hundred milliseconds.The process of activation particle is the square wave that a duty ratio is 50%, and still, which is not particularly suited for
All color range conversion processes；This active mode converts electronic-paper display screen between black and white, color range conversion
Path longest, seriously affected image refreshing speed.In addition, traditional drive waveforms may only electronics paper matrix group to universe
Being refreshed, the electronics paper matrix group region for not needing to refresh is made to carry out repeating refreshing, this had both affected increase image refresh time,
Also electric energy is wasted, use cost is improved.
Summary of the invention
The present invention provides a kind of shorter refresh time, function to solve above-mentioned existing deficiencies in the technology
Consume it is small, can also be in the drive waveforms adjustment method that electronics paper matrix group specific region is refreshed.
A kind of double-colored and three color electronics paper matrix group Local hydrodynamic units and fast refresh drive waveforms adjustment methods, including electronics
Paper matrix group, integrated circuit and driver；
Electronics paper matrix group includes two-color electronic paper matrix group and three color electronics paper matrix groups；
Driver provides positioning signal and waveform signal to integrated circuit, and positioning signal controls integrated circuit in Electronic Paper
Mould group specific region is refreshed；Waveform signal makes the component on integrated circuit form the positive and negative of certain time in electronics paper matrix group
Voltage, and then the charged particle lifting moving in electronics paper matrix group is driven, it is final to refresh display different colours, the waveform signal packet
Include the generating positive and negative voltage section and no-voltage section of driving charged particle lifting moving；
The drive waveforms adjustment method of Local hydrodynamic unit refers to and sends electronics paper matrix group to integrated circuit by driver
Positioning signal refreshes waveform signal in electronics paper matrix group specific region；
The drive waveforms adjustment method of fast refresh is by positioning signal that original waveform signal for repeating to refresh is positive and negative
Voltage section becomes no-voltage section, and then increases the no-voltage section of waveform signal or reduce the generating positive and negative voltage area of waveform signal
Section, shortens the driving time of waveform signal, to quickly update picture；It repeats to refresh and refers to charged particle in a refresh process
A lifting moving circulation.
Specifically, the charged particle of two-color electronic paper matrix group and the charged particle of three color electronics paper matrix groups all can be each color
The charged particle of component.
Specifically, the drive waveforms adjustment method including black and white two-color electronic paper matrix group Local hydrodynamic unit and fast refresh is more
A waveform signal forms waveform signal schematic diagram, the waveform signal schematic diagram include the black stage, the black and white stage, the white black stage,
Stage in vain, wherein do not have waveform signal, a black and white two-color electronic paper matrix group fast refresh in black stage and in vain stage
Refer to that black and white two-color electronic paper matrix group executes the black and white stage and Bai Hei stage of waveform signal；Black and white two-color electronic paper matrix group
It is double-colored in black and white after Local hydrodynamic unit refers to that driver sends electronics black and white two-color electronic paper matrix group positioning signal to integrated circuit
The black and white stage and Bai Hei stage of electronics paper matrix group specific region execution waveform signal.
Specifically, the waveform signal voltage value in black and white stage is -15V, and the waveform signal voltage value in white black stage is+15V,
The driving time of two-color electronic paper matrix group fast refresh is 300ms~1000ms, wherein driving time is shorter, the ghost of refreshing
What will be become is more serious.
Specifically, the drive waveforms adjustment method including black and white red trichromatism electronics paper matrix group Local hydrodynamic unit and fast refresh,
Multiple waveform signals form waveform signal schematic diagrames, which includes mutual phase change rank between black, white, red trichromatism
Section and black stage, in vain stage, red stage do not have waveform signal in black stage, in vain stage, red stage, once
Black and white red trichromatism electronics paper matrix group fast refresh refers to that black and white red trichromatism Electronic Paper executes the white black stage of waveform signal, red-black rank
Section, black and white stage, red white stage, dark red stage and white red stage；One time black and white red trichromatism electronics paper matrix group Local hydrodynamic unit refers to
After first black and white two-color electronic paper matrix group executes the black and white stage and Bai Hei stage of waveform signal, then from driver to integrated circuit
Red control paper matrix group positioning signal is sent, executes the dark red rank of waveform signal in black and white red trichromatism electronics paper matrix group specific region
Section and white red stage, wherein the driving time in dark red stage and Bai Hong stage is 1000ms~3000ms.
Specifically, the waveform signal voltage value in black and white stage and red white stage is -15V, white black stage and red-black waveform
Signal voltage value is+15V, and the waveform signal voltage value in the dark red stage and Bai Hong stage is+4V~+10V.
Specifically, the waveform signal in dark red stage and Bai Hong stage drives red charged particle lifting moving, shows
Red optical value reach value > 30 L, value > 42 A.
Compared with conventional ADS driving waveform, two-color electronic paper matrix group fast refresh drive waveforms method of the invention is refreshing
When not will do it flashing, but directly display next picture, display effect is good, and refresh time is short, small power consumption；Double-colored and three colors
Electronics paper matrix group Local hydrodynamic unit does not need full frame flashing and updates, and can directly be refreshed in the regional area of electronics paper matrix group, brushes
The new time is short, reduces energy loss when refreshing, reduces use cost；When the refreshing of three color electronics paper matrix group fast refreshs
Between between be divided into 5s~8s, directly update the display picture of specific region, and between the refresh time of traditional three color drive waveforms methods
It is divided into 15s, and needs full frame flashing.
Detailed description of the invention
Fig. 1 is the waveform signal schematic diagram of black and white two-color electronic paper matrix group Local hydrodynamic unit；
Fig. 2 is the waveform signal schematic diagram of black and white red trichromatism electronics paper matrix group fast refresh；
Fig. 3 is the waveform signal schematic diagram of black and white red trichromatism electronics paper matrix group Local hydrodynamic unit.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still
It should be appreciated that these descriptions are only further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
A kind of double-colored and three color electronics paper matrix group Local hydrodynamic units and fast refresh drive waveforms adjustment methods, including electronics
Paper matrix group, integrated circuit and driver；
Electronics paper matrix group includes two-color electronic paper matrix group and three color electronics paper matrix groups；
Driver provides positioning signal and waveform signal to integrated circuit, and positioning signal controls integrated circuit in Electronic Paper
Mould group specific region is refreshed；Waveform signal makes the component on integrated circuit form the positive and negative of certain time in electronics paper matrix group
Voltage, and then the charged particle lifting moving in electronics paper matrix group is driven, it is final to refresh display different colours, the waveform signal packet
Include the generating positive and negative voltage section and no-voltage section of driving charged particle lifting moving；
The drive waveforms adjustment method of Local hydrodynamic unit refers to and sends electronics paper matrix group to integrated circuit by driver
Positioning signal refreshes waveform signal in electronics paper matrix group specific region；
The drive waveforms adjustment method of fast refresh is by positioning signal that original waveform signal for repeating to refresh is positive and negative
Voltage section becomes no-voltage section, and then increases the no-voltage section of waveform signal or reduce the generating positive and negative voltage area of waveform signal
Section, shortens the driving time of waveform signal, to quickly update picture；It repeats to refresh and refers to charged particle in a refresh process
A lifting moving circulation.
The charged particle black and white charged particle of two-color electronic paper matrix group, the charged particle of three color electronics paper matrix groups are that black and white is red
Charged particle.
The drive waveforms adjustment method of black and white two-color electronic paper matrix group Local hydrodynamic unit and fast refresh, four waveform signal shapes
At waveform signal schematic diagram, which includes black stage, black and white stage, white black stage, in vain stage, is such as schemed
1, wherein not having waveform signal in black stage and in vain stage, one time black and white two-color electronic paper matrix group fast refresh refers to black and white
The black and white stage and Bai Hei stage of two-color electronic paper matrix group execution waveform signal；Black and white two-color electronic paper matrix group Local hydrodynamic unit
After referring to that driver sends electronics black and white two-color electronic paper matrix group positioning signal to integrated circuit, in black and white two-color electronic paper matrix
The black and white stage and Bai Hei stage of specific region execution waveform signal.Wherein, the waveform signal voltage value in black and white stage is -15V,
The waveform signal voltage value in white black stage is+15V, the driving time of two-color electronic paper matrix group fast refresh be 300ms~
1000ms。
The drive waveforms adjustment method of black and white red trichromatism electronics paper matrix group Local hydrodynamic unit and fast refresh, nine waveform signals
Form waveform signal schematic diagram, which includes changes phase and black rank mutually between black, white, red trichromatism
Section, in vain stage, red stage do not have waveform signal, a black and white red trichromatism in black stage, in vain stage, red stage
Electronics paper matrix group fast refresh refers to that black and white red trichromatism Electronic Paper executes the white black stage of waveform signal, red-black stage, black and white rank
Section, red white stage, dark red stage and white red stage, such as Fig. 2, black stage include white black stage, red-black stage, white stage
Including black and white stage, red white stage, the red stage includes dark red stage, white red stage；Black and white red trichromatism electronics paper matrix group office
After the black and white stage and Bai Hei stage for referring to first black and white two-color electronic paper matrix group execution waveform signal are refreshed by portion, then by driver
Red control paper matrix group positioning signal is sent to integrated circuit, executes waveform letter in black and white red trichromatism electronics paper matrix group specific region
Number dark red stage and Bai Hong stage, such as Fig. 3, wherein the driving time in dark red stage and Bai Hong stage be 1000ms~
3000ms.Wherein, the waveform signal voltage value in black and white stage and red white stage is -15V, white black stage and red-black waveform signal
Voltage value is+15V, and the waveform signal voltage value in the dark red stage and Bai Hong stage is+5.4V.Dark red stage and Bai Hong stage
Waveform signal drive red charged particle lifting moving, the red optical value shown reaches value > 30 L, value > 42 A, in order to
The red optical value shown is adjusted, the red stage is 2-12 times recyclable, as shown in Figure 3.
A kind of method of integrated circuit (IC) intrinsic coordinates positioning, by taking SSD1675AIC as an example, vertical scanning direction (other
It is the same inside IC):
WRITECOM(0x44)；
WRITEDATA(0x02)；
WRITEDATA(0x08；
Two 16 system numbers of dibit are that starting Y-coordinate is arranged to end Y-coordinate under 0X44 register.Y-coordinate value TFT origin
(gate value and coordinate values are to be incremented by or successively decrease when scanning starting when determining that the scanning direction IC determines full brush in initialization)
The origin coordinates value for being Y is rounded divided by 8 to initial position pixel number, to end position pixel number divided by 8 round numbers
For Y end coordinate value.If paying attention to being 8bit due to data so being 8 integral multiple of pixel number of pattern Y in calculating position.
WRITECOM(0x45)；
WRITEDATA(0x84)；
WRITEDATA(0x00)；
WRITEDATA(0x5e)；
WRITEDATA(0x00)；
It is that starting X-coordinate is arranged to end X-coordinate that 16 system number of lower 4 dibits, which is arranged, in 0X45 register.X-coordinate value TFT
(source value and coordinate values are to be incremented by also to origin when scanning starting when determining that the scanning direction IC determines full brush in initialization
It is to successively decrease) if being converted into first dibit, 16 system number numerical value greater than 256, to low two dibits to starting X pixel number
16 system number carries, less than 256 second 16 system numbers of dibit are 0X00.Third is converted into X pixel number is terminated
If a 16 system number numerical value of dibit is greater than 256, to the 4th 16 system number carry of dibit, less than 256 the 4th dibits 16
System number is 0X00.
WRITECOM(0x4E)；
WRITEDATA(0x02)；
Y, which is brushed, for setting office originates refresh point coordinate.
WRITECOM(0x4F)；
WRITEDATA(0x84)；
WRITEDATA(0x00)；
X, which is brushed, for setting office originates refresh point coordinate.
Regional area coordinate setting, Lai Jinhang Local hydrodynamic unit are carried out by above 4 refresh point coordinates.
Claims (7)
1. a kind of double-colored and three color electronics paper matrix group Local hydrodynamic units and fast refresh drive waveforms adjustment method, including Electronic Paper
Mould group, integrated circuit and driver；
The electronics paper matrix group includes two-color electronic paper matrix group and three color electronics paper matrix groups；
The driver provides positioning signal and waveform signal to integrated circuit, and the positioning signal control integrated circuit is in electricity
Sub- paper matrix group specific region is refreshed；The waveform signal makes the component on integrated circuit form a timing in electronics paper matrix group
Between generating positive and negative voltage, and then drive the charged particle lifting moving in electronics paper matrix group, it is final to refresh display different colours, the wave
Shape signal includes the generating positive and negative voltage section and no-voltage section for driving charged particle lifting moving；
The drive waveforms adjustment method of the Local hydrodynamic unit refers to and sends electronics paper matrix group to integrated circuit by driver
Positioning signal refreshes waveform signal in electronics paper matrix group specific region；
The drive waveforms adjustment method of the fast refresh is by positioning signal that original waveform signal for repeating to refresh is positive and negative
Voltage section becomes no-voltage section, and then increases the no-voltage section of waveform signal or reduce the generating positive and negative voltage area of waveform signal
Section, shortens the driving time of waveform signal, to quickly update picture；The repetition refreshing refers to be charged in a refresh process
Lifting moving of particle recycles.
2. one kind according to claim 1 is double-colored and the drive waveforms of three color electronics paper matrix group Local hydrodynamic units and fast refresh
Adjustment method, which is characterized in that the charged particle of the two-color electronic paper matrix group and the charged particle of three color electronics paper matrix groups are all
It can be the charged particle of each color component.
3. one kind according to claim 2 is double-colored and the drive waveforms of three color electronics paper matrix group Local hydrodynamic units and fast refresh
Adjustment method, which is characterized in that the drive waveforms debugging side including black and white two-color electronic paper matrix group Local hydrodynamic unit and fast refresh
Method, multiple waveform signals form waveform signal schematic diagrames, the waveform signal schematic diagram include the black stage, the black and white stage,
White black stage, in vain stage, the black stage and there is no waveform signal in the stage in vain, a black and white two-color electronic paper matrix group
Fast refresh refers to that black and white two-color electronic paper matrix group executes the black and white stage and Bai Hei stage of waveform signal；Double-colored electricity of black and white
After sub- paper matrix group Local hydrodynamic unit refers to that driver sends electronics black and white two-color electronic paper matrix group positioning signal to integrated circuit,
The black and white stage and Bai Hei stage of black and white two-color electronic paper matrix group specific region execution waveform signal.
4. one kind according to claim 3 is double-colored and the drive waveforms of three color electronics paper matrix group Local hydrodynamic units and fast refresh
Adjustment method, which is characterized in that the waveform signal voltage value in the black and white stage is -15V, the waveform signal voltage in white black stage
Value is+15V.
5. one kind according to claim 2 is double-colored and the drive waveforms of three color electronics paper matrix group Local hydrodynamic units and fast refresh
Adjustment method, which is characterized in that debugged including the drive waveforms of black and white red trichromatism electronics paper matrix group Local hydrodynamic unit and fast refresh
Method, multiple waveform signals form waveform signal schematic diagrames, which includes between black, white, red trichromatism
Mutual changes phase and black stage, in vain stage, red stage did not had in the black stage, in vain stage, red stage
Waveform signal, a black and white red trichromatism electronics paper matrix group fast refresh refer to that black and white red trichromatism Electronic Paper executes the white of waveform signal
Black stage, red-black stage, black and white stage, red white stage, dark red stage and white red stage；Black and white red trichromatism electronics paper matrix group
After Local hydrodynamic unit refers to the black and white stage and Bai Hei stage that first black and white two-color electronic paper matrix group executes waveform signal, then by driving journey
Sequence sends red control paper matrix group positioning signal to integrated circuit, executes waveform in black and white red trichromatism electronics paper matrix group specific region
The dark red stage and Bai Hong stage of signal.
6. one kind according to claim 5 is double-colored and the drive waveforms of three color electronics paper matrix group Local hydrodynamic units and fast refresh
Adjustment method, which is characterized in that the waveform signal voltage value in the black and white stage and red white stage is -15V, white black stage and red
Black waveform signal voltage value is+15V, and the waveform signal voltage value in the dark red stage and Bai Hong stage is+4V~+10V.
7. one kind according to claim 6 is double-colored and the drive waveforms of three color electronics paper matrix group Local hydrodynamic units and fast refresh
Adjustment method, which is characterized in that the waveform signal in the dark red stage and Bai Hong stage drives red charged particle lifting moving,
The red optical value shown reaches value > 30 L, value > 42 A.
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| CN110189711A (en) * | 2019-05-14 | 2019-08-30 | 江西兴泰科技有限公司 | A kind of waveform adjustment method shortening dark red Bai Sanse refresh time |
| CN110889849A (en) * | 2019-12-11 | 2020-03-17 | 电子科技大学中山学院 | Method for measuring and calculating black and white refreshing time of electronic paper |
| CN111951738A (en) * | 2020-07-15 | 2020-11-17 | 江西兴泰科技有限公司 | Low-power-consumption driving method for electronic paper product |
| 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 |
| CN114639354A (en) * | 2022-02-24 | 2022-06-17 | 大连龙宁科技有限公司 | Driving method of dual-display mode electronic paper module |
| 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 |
| CN116994532A (en) * | 2023-09-22 | 2023-11-03 | 汉朔科技股份有限公司 | Display content updating method, device, equipment and medium |
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