CN106898309B - A kind of EFD matrix display driving method and device - Google Patents
A kind of EFD matrix display driving method and device Download PDFInfo
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- 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
- G09G3/348—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 the deformation of a fluid drop, e.g. electrowetting
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Abstract
The invention discloses a kind of EFD matrix display driving methods, comprising the following steps: S1, obtains content to be displayed；S2, the processing content to be displayed obtain display control information, and the display control information includes at least one set of row display control information and/or at least one set of column display control information；S3, pixel matrix display content to be displayed is controlled according to the display control information；A kind of EFD matrix display drive apparatus, including content to be displayed acquiring unit, display control information acquiring unit and display control unit are also disclosed.A kind of EFD matrix display driving method of the present invention not only can be reduced the scanning times that display needs, and improve display efficiency, moreover it is possible to which the average brightness for significantly promoting pixel realizes the display of high quality；In addition, a kind of EFD matrix display drive apparatus, implements above-mentioned EFD matrix display driving method by it, realizes high brightness high-quality display.The present invention can be widely applied to display field as a kind of EFD matrix display driving method and device.
Description
Technical field
The present invention relates to display field, especially a kind of EFD matrix display driving method and device.
Background technique
EFD is writing a Chinese character in simplified form for Eletro Fluid Display, and academicly referred to as electrowetting is shown.Electrowetting Electronic Paper is aobvious
The technology of showing is a kind of novel electron paper display technology got up from new development in 2003, and electrowetting dyes oil film using electric field controls
Sprawling in hydrophobic interfaces is imaged with shrinking, and has the advantages such as fast response time, easy colorization, thus all the time by
Extensive concern and lasting research.The displaying principle of its unit pixel lattice is as shown in Figure 1, wherein a is colored ink, and b is pixel
Wall；C is drain insulating layer, and d is transparent electrode.The essential structure of electrowetting display unit pixel compartments and displaying principle are: first
Uniformly apply one layer of very thin hydrophobic dielectric layer on the backboard (TFT/ITO) that point electrode is distributed with, redeposited one layer netted
Panel is separated into the unit pixel lattice of micron-scale one by one by bright pixel wall, and one layer of pole is filled in each unit pixel lattice
The thin coloured oil film of nonpolarity, then refills water layer as second fluid and public electrode；Each point electrode can be independent
Control a unit pixel lattice.When display, coloured oil film sufficiently soaks insulating layer in the pixel compartments of no applied voltage, forms one
Colored pixels point；And apply in alive unit pixel lattice, according to Lippman-Young equation, Hydrophobic insulation layer is changed into
Hydrophily, water phase soak insulating layer, and oil film is pushed to be compressed on one side, realize reflection or transmission, complete image and show.In addition, can
The display of full-color image can be achieved with the superposition by multi layer colour oil film.
EFD technology can not directly adopt LCD technology since technology realization principle is different also in industrialization initial stage at present
Mature active TFT drives backboard, realizes high density, high contrast, high number of colors.In unmature driving chip and up and down
Under the matching requirements for swimming supply chain, the screen product design of initial stage EFD, based on passive matrix, Innovation Input Optimum cost, side
Just commercialization is realized.
The 16*16 passive matrix EFD screen of one actual production exports horizontal-drive signal, 16 column by 16 row electrodes
Electrode exports column driving signal and realizes drive control；Row electrode correspondence is upper surface, and contact is deionized water, is eyes observation
End；Column electrode is contacted by insulating layer with oil.Row-column electrode forms voltage difference, realizes pixel driver control.Passive matrix be
There are 16 parallel row electrodes in upper surface, and there are 16 column electrodes vertical with row electrode in lower surface.Electrode pixel size is 5mm*
5mm, upper/lower electrode constitute a big pixel.Inside pixel, there are also 26*26=676 small pixel, a small pixel size is
192um*192um is connected in parallel between upper/lower electrode.
Fig. 2 is seen for the driving method of the passive matrix of conventional LED display, as can be seen from Figure 2, COM1-16 is row electrode,
SEG1-16 is column electrode；The passive matrix of 16*16 will use the successively sequential scan 16 times realizations of 16 row gating signals, column letter
The pixel status control of a line is realized in number synchronous with row gating signal input.It is completed it will be apparent that a frame shows to be scanned by 16 rows,
The display of all the elements may be implemented, but be only able to display static content, cannot show the content of quick shift.For being driven
Passive matrix screen, each pixel can only light for 1/16 time, and other times are closed states, that is to say, that pixel is average
Brightness only has the 1/16 of pixel highest operating brightness.
As shown in Fig. 2, conventional passive matrix actuation techniques, bright by the work for reducing screen using row sequential scanning method
Angle value, only the 1/16 of pixel theory maximum brightness.For the actives display technology such as LED or LCD, the work of LED can be improved
Electric current improves average brightness.But for the EFD screen using reflective display, light source comes from ambient natural light, and pixel is bright
Degree becomes 1/16, and display content just can not effectively be seen clearly.In addition, in order to realize that human eye sees clearly pattern, tradition
LED/LCD screen-refresh speed necessarily is greater than 24Hz, and line scan signals driving rate necessarily is greater than 16*24=384Hz, this is also mentioned
The high requirement to driving hardware.Moreover, EFD pixel is a capacitance type structure, physical model can be modeled to a capacitor,
Practical driving has the demand of opening time and shut-in time.We referring herein to EFD passive matrix, the opening time of pixel is big
In 10ms, the shut-in time is greater than 8ms；In this way, we use scanning method shown in Fig. 2, theoretically drive one frame of EFD screen complete
The prestissimo of content is: 10*16=160ms, and most fast refreshing frequency only has 6Hz, can there is serious scintillation, such
Product can not be acceptable to the market.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of display that can be obviously improved EFD matrix is bright
The EFD matrix display driving method of degree and image displaying quality correspondingly also provides a kind of EFD matrix display drive apparatus.
The technical scheme adopted by the invention is that: a kind of EFD matrix display driving method, comprising the following steps:
S1, content to be displayed is obtained；
S2, the processing content to be displayed obtain display control information, and the display control information includes at least one set of row
Display control information and/or at least one set of column display control information；
S3, pixel matrix display content to be displayed is controlled according to the display control information.
Further, the row display control information includes that at least one has shown point range serial number, at least one display eventually
Point range serial number and at least one row serial number, the column display control information include at least one display starting point row serial number, at least one
A display end line serial number and at least one column serial number.
Further, the step S3 the following steps are included:
S31, shown that point range serial number, display terminal column serial number and row serial number obtain corresponding content to be displayed according to described
Row display combination；
S32, corresponding content to be displayed is obtained according to the display starting point row serial number, display end line serial number and column serial number
Column display combination；
S33, stacking turntable driving is carried out according at least one row display combination and/or at least one column display combination
Pixel to realize the display of content to be displayed respectively.
Further, in the step S3, show that combination and/or the display combination control of multiple column are to be shown according to multiple rows
Content is shown, every according to a row display combination or column display group in addition to the last one row shows combination or column display combination
It is that state keeps voltage Vhold by applying row driving voltage, column driving voltage is the driving of 0V after closing control pixel unlatching
Voltage is not so that the pixel having turned on is closed.
Further, after the content to be displayed is shown, application row driving voltage is low-power consumption maintenance voltage Vlow,
Column driving voltage is the driving voltage of 0V to realize that EFD matrix maintains low-power consumption stable state to show.
Further, it is Voff~Von that the state, which keeps the value range of voltage Vhold, and the Voff is pixel
Closing voltage, the Von be pixel cut-in voltage.
Further, the low-power consumption maintenance voltage Vlow is Vlow=Von+a, wherein the Von is opening for pixel
Voltage is opened, a is predesigned compensation voltage.
It is of the present invention another solution is that a kind of EFD matrix display drive apparatus, including
Content to be displayed acquiring unit, for obtaining content to be displayed；
Display control information acquiring unit obtains display control information, the display for handling the content to be displayed
Controlling information includes at least one set of row display control information and/or at least one set of column display control information；
Display control unit shows content to be displayed for controlling pixel matrix according to the display control information.
Further, the EFD matrix display drive apparatus includes MCU, line driving chip and column driving chip, described
MCU is connect with line driving chip, column driving chip respectively, the output end of the output end of the line driving chip, column driving chip
It is connect respectively with the input terminal of EFD matrix.
Further, the line driving chip includes the chip of SSD1629 model, and the column driving chip includes
The chip of 74HC595 model.
The beneficial effects of the present invention are: a kind of EFD matrix display driving method of the present invention, obtain content to be displayed and by its
To obtain display control information, display control information includes at least one set of row display control information and/or at least one set of column for processing
Display control information can control pixel matrix according to display control information and show content to be displayed, not only can be reduced aobvious
Show the scanning times of needs, improve display efficiency, realizes the stabilization display effect that eye-observation arrives, moreover it is possible to significantly promote pixel
The average brightness of point, realizes the display of high quality；In addition, a kind of EFD matrix display drive apparatus, implements above-mentioned EFD by it
Matrix display driving method realizes high brightness high-quality display.
Detailed description of the invention
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
Fig. 1 is the displaying principle schematic diagram of electrowetting in the prior art；
Fig. 2 is the turntable driving waveform diagram of 16*16EFD passive matrix in the prior art；
Fig. 3 is a kind of step flow chart of EFD matrix display driving method in the present invention；
Fig. 4 is an a kind of specific embodiment schematic diagram of EFD matrix display driving method in the present invention；
Fig. 5 is a kind of another specific embodiment schematic diagram of EFD matrix display driving method in the present invention；
Fig. 6 is the lagging characteristics curve synoptic diagram that voltage driving was opened/closed to EFD pixel；
Fig. 7 is an a kind of specific schematic diagram of the drive waveforms of EFD matrix display driving method in the present invention；
Fig. 8 is a kind of schematic diagram of EFD matrix display drive apparatus in the present invention；
Fig. 9 is an a kind of specific embodiment schematic diagram of EFD matrix display drive apparatus in the present invention.
Specific embodiment
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.
A kind of EFD matrix display driving method is a kind of EFD matrix display driving method in the present invention with reference to Fig. 3, Fig. 3
Step flow chart, comprising the following steps:
S1, content to be displayed is obtained；
S2, processing content to be displayed obtain display control information, and display control information includes at least one set of row display control
Information and/or at least one set of column display control information；
S3, pixel matrix display content to be displayed is controlled according to display control information.
A kind of EFD matrix display driving method obtains its row display control information by being handled content to be displayed
And/or column display control information, and then display control is carried out according to row display control information and/or column display control information, it can
With reduce display need scanning times, improve display efficiency, realize human eye it is observed that stabilization display effect, moreover it is possible to substantially
Degree promotes the average brightness of pixel, realizes the display of high quality.In the present invention, content to be displayed includes digital character (number
Or letter), regular text and pattern, generally, due to which the distributing position of content to be displayed pixel is different, content to be displayed is same
When need to indicate content to be displayed using row display control information and column display control information, distinguishingly, such as digital " 11 ", only
Need to show that the display of digital " 11 " can be thus achieved in the different perpendicular column pixel (pixel number is unlimited) of two column row numbers, then this
When only need column display control information that can indicate content to be displayed (such as digital " 11 ")；Similarly, such as digital " one ", Ke Yitong
Cross 1 row's horizontal pixel point (pixel number is unlimited) of display or adjacent two rows of horizontal pixel points (pixel number is unlimited)
Digital " one " can be thus achieved, at this time, it is only necessary to which row display control information can then indicate content to be displayed (such as digital " one ").
Further, row display control information includes that at least one has shown point range serial number, at least one display terminal column
Serial number and at least one row serial number, column display control information include that at least one shows starting point row serial number, at least one display eventually
Point row serial number and at least one column serial number.It is a kind of the one specific of EFD matrix display driving method in the present invention with reference to Fig. 4, Fig. 4
Embodiment schematic diagram illustrates that display control information of the invention, alphabetical " H " can be expressed as 1 row 2 by taking capitalization " H " as an example
Perpendicular, i.e., separately embark on journey display and column display, 2 erect the bright gray parts pixels seen in Fig. 4, and 1 row is shown in the black portions picture in Fig. 4
Element.Row display control information corresponding to " H " are as follows: shown point range serial number S6, display terminal column serial number S11, row serial number
For C9；And column display control information be display starting point row serial number C2, show end line serial number C15, column serial number S5 and
S12。
Further, step S3 the following steps are included:
S31, according to shown point range serial number, display terminal column serial number and row serial number obtain corresponding content to be displayed row it is aobvious
Show combination；
S32, it is shown according to the column that display starting point row serial number, display end line serial number and column serial number obtain corresponding content to be displayed
Show combination；
S33, show that combination and/or at least one column display combination carry out stacking turntable driving pixel according at least one row
Put the display to realize content to be displayed respectively.
Continue by taking capitalization " H " as an example, illustrates display driving method of the invention, be this hair with reference to Fig. 4, Fig. 4
An a kind of bright middle specific embodiment schematic diagram of EFD matrix display driving method believes the column display control of capitalization " H "
Breath: display starting point row serial number C2 shows that end line serial number C15, column serial number S5 and S12 are combined, and obtains corresponding big
The column display combination (C2, C15, S5) and (C2, C15, S12) of mother " H " 2 that write column, synchronism output, display 2 is perpendicular, this is first layer
Display；By the row display control information of " H ": having shown point range serial number S6, display terminal column serial number S11, row serial number C9
It is combined, is corresponded to the row display combination (S6, S11, C9) of " H " 1 row, synchronism output shows 1 row, this is aobvious for the second layer
Show；
So far, one frame of display, this frame image is completed in capitalization " H ", it is only necessary to 2 refreshings；And 16 traditional rows
Scan method is successively scanned from C1-C16, and successively synchronism output corresponds to the pixel binary condition of row to S1-S16, with row electricity
Pole level combinations drive pixel；Compared with 16 refreshings of convention scanning scheme, only combination need to be shown using row in the present invention
The stacking that content to be displayed can be realized with column display combination is shown, it is only necessary to which 2 refreshings, speed improve 8 times.
It is a kind of another specific embodiment schematic diagram of EFD matrix display driving method in the present invention with reference to Fig. 5, Fig. 5, with
Stacking driving method of the invention is continued to explain for digital " 1 ", concrete methods of realizing is as follows:
" 1 " is split as 3 scanning combinations, A, B, C3 gray areas in corresponding diagram 5 first.
C5 is combined with S7, synchronism output, shows B area, this is scanning for the first time.
C4-C13 is combined with S8, synchronism output, shows a-quadrant, this is scanned for second.
C14 is combined with S7-9, synchronism output, shows the region C, this is scanned for third time.
By 3 scanning stacked combinations, digital " 1 " display is realized, digital 0-9 can take similar approach to realize.
Further, in step S3, combination and/or multiple column display combination control content to be displayed are shown according to multiple rows
It has been shown that, it is every that combination control is shown according to a row display combination or column in addition to the last one row shows combination or column show combination
It is that state keeps voltage Vhold by applying row driving voltage, column driving voltage is the driving voltage of 0V after pixel processed is opened
So that the pixel having turned on is not closed.Further, it is Voff~Von, Voff that state, which keeps the value range of voltage Vhold,
For the closing voltage of pixel, Von is the cut-in voltage of pixel.
Further, after content to be displayed is shown, application row driving voltage is low-power consumption maintenance voltage Vlow, and column drive
Dynamic voltage is the driving voltage of 0V to realize that EFD matrix maintains low-power consumption stable state to show.Further, low-power consumption maintenance voltage
Vlow is Vlow=Von+a, wherein Von is the cut-in voltage of pixel, and a is predesigned compensation voltage, and a can be positive value, can also
To be negative value.
It is the lagging characteristics curve synoptic diagram that voltage driving was opened/closed to EFD pixel with reference to Fig. 6, Fig. 6, is as shown in Figure 6
The operating voltage and pixel optics reflectivity (respective pixel aperture opening ratio) relation table of EFD pixel, dotted solid line is that pixel was opened
Journey, since 0V, until the cut-in voltage Von of pixel is 17V, pixel is just started to open；Square shape dotted line is pixel
Closing process, voltage are begun to decline from 25V, and the closing voltage Voff for being reduced to pixel is that 10V pixel is just really closed.?
Between 10V and 17V, a wedge hysteresis space, this cut-in voltage and the voltage hysteresis phenomenon for closing voltage are constituted, is exactly
The retardant curve of EFD pixel.With reference to one that Fig. 7, Fig. 7 are a kind of drive waveforms of EFD matrix display driving method in the present invention
Specific schematic diagram realizes " H " display, then keeps stable state using drive waveforms shown in Fig. 7.In the initial phase of waveform, it is
Reseting procedure, at this time the voltage in 2 face of pixel is 0V.First frame refreshes the 2 perpendicular displays for realizing " H "；A followed by holding shape
State, it is 12V that state, which keeps voltage Vhold, this voltage is higher than pixel and closes voltage Voff, and is lower than pixel cut-in voltage Von,
Guarantee has turned on pixel and does not close, and ensures the brightness of display；Second frame refreshes and realizes that 1 row of " H " is shown；Then it maintains entire
The driving voltage of all rows of screen is 19V, is classified as 0V；That is low-power consumption maintenance voltage Vlow is Vlow=Von+a=17+2V, this
In embodiment, predesigned compensation voltage is 2V；It is at this time transferred to low-power consumption stable state, other pixels that do not open cannot be opened, or
It just opens, reflectivity 0.The corresponding reflectivity for having turned on pixel of " H " pattern is 35%, it is already possible to reach kindle electricity
The normal display effect of the philosophical works.In this case, screen, which does not need to refresh, can maintain display content, basic no current damage
Consumption, may be implemented a kind of pattern displaying for being similar to zero-power.Low-power consumption stable state is held time, and from 1 minute to some months, is taken
Certainly in the parameter designing and technological level of EFD pixel.
The present invention not only uses stacking display driving method when EFD passive matrix drive, and it is fast to realize screen
Fast clear display, dynamic display updating number character, the regular contents such as text and pattern, is obviously improved EFD screen display brightness
And image displaying quality；Also in the design of EFD passive matrix drive waveform, the lagging characteristics of EFD pixel are utilized, realize low
Power consumption, high brightness static status display；Using the sluggish retention performance of EFD pixel, a set of corresponding drive waveforms are proposed to realize
Content is shown, significantly reduces the power consumption that EFD screen shows static content.It is worth noting that, EFD active matrix, may be implemented
Pixel directly drives, and the present invention utilizes the driving method of EFD pixel lagging characteristics principle, stands good.
A kind of EFD matrix display drive apparatus is a kind of EFD matrix display drive apparatus in the present invention with reference to Fig. 8, Fig. 8
Schematic diagram, including
Content to be displayed acquiring unit, for obtaining content to be displayed；
Display control information acquiring unit obtains display control information, display control information for handling content to be displayed
Including at least one set of row display control information and/or at least one set of column display control information；
Display control unit shows content to be displayed for controlling pixel matrix according to display control information.
A kind of EFD matrix display drive apparatus implements above-mentioned EFD matrix display driving method by it, realizes high brightness
High-quality display.
It is a kind of EFD matrix display drive apparatus in the present invention with reference to Fig. 9, Fig. 9 as the further improvement of technical solution
A specific embodiment schematic diagram, EFD matrix display drive apparatus includes MCU, line driving chip and column driving chip, MCU points
Do not connect with line driving chip, column driving chip, the output end of line driving chip, column driving chip output end respectively with EFD
The input terminal of matrix connects.MCU (Micro Controller Unit) is the abbreviation for microprocessor unit, is referred to intelligence
Intelligent programmable central processing unit.MCU completes then to obtain by algorithm process with external communication, reception word content
Rank scanning signal simultaneously controls line driving chip and column driving chip according to it, and content is shown to screen.In the present embodiment,
MCU model is STM32F103；Line driving chip includes the chip of SSD1629 model, and column driving chip includes 74HC595 model
Chip.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of EFD matrix display driving method, which comprises the following steps:
S1, content to be displayed is obtained；
S2, the processing content to be displayed obtain display control information, and the display control information includes that at least one set of row is shown
Control information and/or at least one set of column display control information；
S3, pixel matrix display content to be displayed is controlled according to the display control information；
The row display control information includes that at least one has shown point range serial number, at least one display terminal column serial number and at least
One row serial number, the column display control information include at least one display starting point row serial number, at least one display end line sequence
Number and at least one column serial number；
The step S3 the following steps are included:
S31, according to it is described shown point range serial number, display terminal column serial number and row serial number obtain corresponding content to be displayed row it is aobvious
Show combination；
S32, it is shown according to the column that the display starting point row serial number, display end line serial number and column serial number obtain corresponding content to be displayed
Show combination；
S33, stacking turntable driving pixel is carried out according at least one row display combination and/or at least one column display combination
Put the display to realize content to be displayed respectively.
2. EFD matrix display driving method according to claim 1, which is characterized in that in the step S3, according to multiple
Row display combination and/or multiple column display combination control content to be displayed are shown, except the last one row display combination or column display
Except combination, it is every opened according to row display combination or column display combination control pixel after, pass through and apply row driving voltage
Voltage Vhold is kept for state, column driving voltage is the driving voltage of 0V so that the pixel having turned on is not closed.
3. according to claim 1 to 2 described in any item EFD matrix display driving methods, which is characterized in that described to be shown interior
After holding display, application row driving voltage is low-power consumption maintenance voltage Vlow, and column driving voltage is the driving voltage of 0V with reality
Existing EFD matrix maintains low-power consumption stable state to show.
4. EFD matrix display driving method according to claim 2, which is characterized in that the state keeps voltage Vhold
Value range be Voff~Von, the Voff be pixel closing voltage, the Von be pixel cut-in voltage.
5. EFD matrix display driving method according to claim 3, which is characterized in that the low-power consumption maintenance voltage
Vlow is Vlow=Von+a, wherein the Von is the cut-in voltage of pixel, and a is predesigned compensation voltage.
6. a kind of EFD matrix display drive apparatus, which is characterized in that including
Content to be displayed acquiring unit, for obtaining content to be displayed；
Display control information acquiring unit obtains display control information, the display control for handling the content to be displayed
Information includes at least one set of row display control information and/or at least one set of column display control information；The row display control information
Point range serial number, at least one display terminal column serial number and at least one row serial number, the column display have been shown including at least one
Control information includes at least one display starting point row serial number, at least one display end line serial number and at least one column serial number；
Display control unit shows content to be displayed for controlling pixel matrix according to the display control information；Specifically,
According to the row display combination for having shown point range serial number, display terminal column serial number and row serial number and having obtained corresponding content to be displayed；
The column display group of corresponding content to be displayed is obtained according to the display starting point row serial number, display end line serial number and column serial number
It closes；
According at least one described row show combination and/or at least one column display combination carry out stacking turntable driving pixel with
The display of content to be displayed is realized respectively.
7. EFD matrix display drive apparatus according to claim 6, which is characterized in that the EFD matrix display driving dress
It sets including MCU, line driving chip and column driving chip, the MCU is connect with line driving chip, column driving chip respectively, described
The output end of line driving chip, the output end of column driving chip are connect with the input terminal of EFD matrix respectively.
8. EFD matrix display drive apparatus according to claim 7, which is characterized in that the line driving chip includes
The chip of SSD1629 model, the column driving chip include the chip of 74HC595 model.
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| CN112258599A (en) * | 2020-09-28 | 2021-01-22 | 上海连尚网络科技有限公司 | Method and device for forming image matrix in field environment |
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Effective date of registration: 20240619 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: South China advanced Optoelectronics Research Institute, South China Normal University, No. 378, Waihuan West Road, Panyu District, Guangzhou City, Guangdong Province, 510006 Patentee before: SOUTH CHINA NORMAL University Country or region before: China Patentee before: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. Patentee before: ACADEMY OF SHENZHEN GUOHUA OPTOELECTRONICS |
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Application publication date: 20170627 Assignee: Guangxian Technology (Guangdong) Co.,Ltd. Assignor: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. Contract record no.: X2024980014572 Denomination of invention: A method and device for driving EFD matrix display Granted publication date: 20190531 License type: Exclusive License Record date: 20240910 |