CN108986755A - Sequence controller and display device - Google Patents
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- CN108986755A CN108986755A CN201810779259.9A CN201810779259A CN108986755A CN 108986755 A CN108986755 A CN 108986755A CN 201810779259 A CN201810779259 A CN 201810779259A CN 108986755 A CN108986755 A CN 108986755A
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- 230000014759 maintenance of location Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 16
- 239000010409 thin film Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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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
- G09G3/36—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 liquid crystals
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
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Abstract
The present invention provides a kind of sequence controller and display device.Sequence controller of the invention includes memory module, enable signal weight generation module and selection output module.By being detected using enable signal weight generation module to input enable signal, it is enabled as the reading of memory module to generate the carrot-free conversion enable signal of waveform, input enable signal can be eliminated, and there are burr brings to show that picture is abnormal, simultaneously, if being more than to be inputted in preset duration without effective video, enable signal weight generation module control selections output module exports empty data, can eliminate and show picture exception caused by suddenly disappearing as video data.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of sequence controller and display devices.
Background technique
With the development of display technology, the planes such as liquid crystal display (Liquid Crystal Display, LCD) display dress
It sets because having many advantages, such as that high image quality, power saving, fuselage is thin and has a wide range of application, and is widely used in mobile phone, TV, a number
The various consumer electrical products such as word assistant, digital camera, laptop, desktop computer, become the master in display device
Stream.
Liquid crystal display on existing market is largely that backlight liquid crystal display includes liquid crystal display panel and backlight module
(backlight module).The working principle of liquid crystal display panel is in thin-film transistor array base-plate (Thin Film
Transistor Array Substrate, TFT Array Substrate) and colored filter substrate (Color Filter,
CF liquid crystal molecule is poured between), and applies driving voltage on two plate bases to control the direction of rotation of liquid crystal molecule, will be carried on the back
The light refraction of optical mode group, which comes out, generates picture.
In active liquid crystal display, each pixel is electrically connected a thin film transistor (TFT) (TFT), the grid of thin film transistor (TFT)
Pole (Gate) is connected to horizontal scanning line, and source electrode (Source) is connected to the data line of vertical direction, and drain electrode (Drain) then connects
To pixel electrode.Apply enough voltage on horizontal scanning line, the institute being electrically connected on this horizontal scanning line can be made
Have TFT opening, thus the signal voltage on data line can writing pixel, control the light transmittance of different liquid crystal and then reach control
The effect of color and brightness.
It shines for driving liquid crystal display panel, the timing control being electrically connected with liquid crystal display panel can be generally set in the prior art
Device (TCON) processed, sequence controller control the charge and discharge of liquid crystal display panel pixel for receiving video data and generating specific timing
Electricity shows corresponding video data.
Liquid crystal display device in actual use, can have various interference, lead to the view for being transmitted to sequence controller
The problem of frequency data signal suddenly disappears there are burr or video data causes the display of liquid crystal display device abnormal.It is existing
Sequence controller it is limited to the processing capacity of video data exception, the quality of product is lower.
Summary of the invention
The purpose of the present invention is to provide a kind of sequence controllers, and capable of eliminating input enable signal, there are burr and views
Frequency data shows picture exception caused by suddenly disappearing.
The object of the invention is also to provide a kind of display devices, and capable of eliminating input enable signal, there are burr and views
Frequency data shows picture exception caused by suddenly disappearing.
To achieve the above object, present invention firstly provides a kind of sequence controllers, including memory module and memory module electricity
Property connection enable signal weight generation module and with memory module and the selection that is electrically connected of enable signal weight generation module
Output module；
The memory module access input enable signal and video data data；The enable signal weight generation module connects
Enter and input enable signal, and exports conversion enable signal to the memory module and control signal to selection output module output；
The selection output module accesses empty data；
When the rising edge arrival of input enable signal, and before the rising edge arrives, input enable signal keeps low potential
Duration is greater than or equal to preset first duration, at the time of after the rising edge time by preset second duration, enables letter
Number weight generation module judges the current potential of conversion enable signal, if converting enable signal as low potential, enable signal weight
Generation module makes to convert enable signal high potential and becomes low potential after maintaining preset third duration, and makes to control signal
First current potential, otherwise enable signal weight generation module keeps conversion enable signal and controls the current current potential of signal；When input makes
When energy signal keeps the duration of low potential to be greater than preset four duration, enable signal weight generation module makes to control signal second
Current potential and makes to convert and enable signal high potential and maintain third duration；4th duration is greater than the first duration and less than first
The sum of duration and third duration；
The memory module stores video data data when inputting enable signal and being high potential, enabled in conversion
The video data data that signal is stored when being high potential are exported to selection output module；
It is described that output module is selected to export the video data data that memory module is transmitted when control signal is the first current potential,
Empty data are exported when controlling signal and being the second current potential.
The enable signal weight generation module is defeated when being the second current potential and convert enable signal as high potential to control signal
Enter whether enable signal has rising edge to be determined, if so, enable signal weight generation module control signal be the second current potential and
Enable signal is converted as high potential and maintains to make after third duration to convert enable signal and becomes low potential and make to control signal to become
For the first current potential, if it is not, enable signal weight generation module is the second current potential and converts enable signal as high potential in control signal
And it maintains third duration to continue to make to control the second current potential of signal later and continues to make to convert enable signal high potential and maintain
Third duration.
Second duration is greater than 0 and less than the sum of the first duration and third duration.
First current potential is low potential, and the second current potential is high potential.
The sequence controller further includes the write address being electrically connected with enable signal weight generation module and memory module
Generation module and the read address generation module being electrically connected with enable signal weight generation module and memory module；
The write address generation module access input enable signal；The enable signal weighs generation module to the storage mould
Block output conversion enable signal simultaneously also exports conversion enable signal to read address generation module.
The memory module has multiple storage units being set in sequence；
When the rising edge arrival of input enable signal, and before the rising edge arrives, input enable signal keeps low potential
Duration is greater than or equal to preset first duration, and when after the rising edge time in the stage of a length of third duration, write address is raw
Multiple write addresses corresponding with multiple storage units are sequentially transmitted to memory module at module, the memory module is enabled in input
Multiple write addresses when signal is high potential according to the transmission of write address generation module store video data data correspondence to multiple
In storage unit；
When after the rising edge time for converting enable signal in the stage of a length of third duration, read address generation module is to depositing
Storage module sequentially transmits multiple read addresses corresponding with multiple storage units, so that the memory module is in conversion enable signal
The video data data of multiple memory cell storages are sequentially read when high potential and are transmitted to selection output module.
The sky data are the corresponding video data data of black picture.
The corresponding video data data of the black picture are red sub-pixel grayscale, green sub-pixels grayscale and blue
Pixel gray level is 0 video data data.
The memory module is random access memory.
The present invention also provides a kind of display devices, including above-mentioned sequence controller.
Beneficial effects of the present invention: sequence controller of the invention include memory module, enable signal weight generation module with
And selection output module.By detecting using enable signal weight generation module to input enable signal, it is hairless to generate waveform
The conversion enable signal of thorn is enabled as the reading of memory module, and capable of eliminating input enable signal, there are burr brings to show picture
Face is abnormal, meanwhile, if being more than to input in preset duration without effective video, enable signal weight generation module control selections export mould
Block exports empty data, can eliminate and show picture exception caused by suddenly disappearing as video data.Display device of the invention
It can eliminate caused by input enable signal suddenly disappears there are burr and video data and show picture exception.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the structural schematic diagram of sequence controller of the invention；
Fig. 2 is the timing diagram of sequence controller of the invention when input enable signal is jagged；
Fig. 3 is the timing diagram of sequence controller of the invention when inputting enable signal and suddenly disappearing.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
It please refers to Fig.1 to Fig.3, the present invention provides a kind of sequence controller, including 10 electricity of memory module 10 and memory module
Property connection enable signal weight generation module 20 and be electrically connected with memory module 10 and enable signal weight generation module 20
Selection output module 30.
The access of the memory module 10 input enable signal de1 and video data data data.The enable signal weight
Generation module 20 access input enable signal de1, and to the memory module 10 export conversion enable signal de2 and to select it is defeated
The output of module 30 control signal ctrl out.The selection output module 30 accesses empty data data0.
Please refer to figs. 2 and 3, and when the rising edge arrival of input enable signal de1, and before the rising edge arrives, input makes
Energy signal de1 keeps the duration of low potential to be greater than or equal to preset first duration, by preset after the rising edge time
At the time of second duration, the current potential of 20 couples of enable signal weight generation module conversion enable signal de2 judges, if such as Fig. 2 institute
Show, converts enable signal de2 as low potential, then enable signal weight generation module 20 makes to convert enable signal de2 high potential simultaneously
Become low potential after maintaining preset third duration, and makes to control the first current potential of signal ctrl, it is otherwise as shown in figure 3, enabled
Signal weight generation module 20 keeps conversion enable signal de2 and controls the current current potential of signal ctrl.As shown in figure 3, when input
When enable signal de1 keeps the duration of low potential to be greater than preset four duration, indicates that input enable signal de1 exists and disappear suddenly
The case where mistake, enable signal weight generation module 20 makes to control the second current potential of signal ctrl and makes to convert enable signal de2 at this time
For high potential and maintain third duration.4th duration is greater than the first duration and less than the sum of the first duration and third duration.
The memory module 10 stores video data data data when inputting enable signal de1 and being high potential,
The video data data data stored when converting enable signal de2 as high potential is exported to selection output module 30.
The video that output module 30 is selected in control signal ctrl to export the transmission of memory module 10 when the first current potential
Data data exports empty data data0 when controlling signal ctrl and being the second current potential.
Specifically, referring to Fig. 3,20 couples of control signal ctrl of the enable signal weight generation module are the second current potential and turn
Change whether input enable signal de1 when enable signal de2 is high potential has rising edge to be determined, if so, indicating that input is enabled
Signal de1 is recovered normal, then as shown in figure 3, enable signal weight generation module 20 is controlling signal ctrl as the second current potential
And enable signal de2 is converted as high potential and maintains to make after third duration to convert enable signal de2 and becomes low potential and make to control
Signal ctrl processed becomes the first current potential, if not, then it represents that input enable signal de1 is there are still disappearing, then enable signal
Weight generation module 20 control signal ctrl be the second current potential and convert enable signal de2 into high potential and maintain third duration it
After continue to make to control the second current potential of signal ctrl and continue to make to convert enable signal de2 high potential and maintain third duration,
It repeats the above steps, until input is enabled when controlling signal ctrl and being the second current potential and convert enable signal de2 as high potential
Signal de1 generates rising edge.
Specifically, second duration is greater than 0 and less than the sum of the first duration and third duration.
Preferably, the first current potential is low potential, and the second current potential is high potential.
Specifically, referring to Fig. 2, the sequence controller further includes and enable signal weight generation module 20 and memory module
The 10 write address generation modules 40 being electrically connected and electrically connect with enable signal weight generation module 20 and memory module 10
The read address generation module 50 connect.
The access of the write address generation module 40 input enable signal de1.The enable signal weight generation module 20 is to institute
It states the output of memory module 10 conversion enable signal de2 while also exporting conversion enable signal de2 to read address generation module 50.
Into one, the memory module 10 has multiple storage units being set in sequence.
When the rising edge arrival of input enable signal de1, and before the rising edge arrives, input enable signal de1 keeps low
The duration of current potential is greater than or equal to preset first duration and writes when after the rising edge time in the stage of a length of third duration
Address generation module 40 sequentially transmits multiple write addresses corresponding with multiple storage units, the memory module to memory module 10
The 10 multiple write addresses transmitted when inputting enable signal de1 and being high potential according to write address generation module 40 are by video data number
It stores according to data correspondence to multiple storage units.A length of third duration when after the rising edge time for converting enable signal de2
Stage in, read address generation module 50 sequentially transmits multiple read addresses corresponding with multiple storage units to memory module 10,
So that the memory module 10 sequentially reads the video of multiple memory cell storages when converting enable signal de2 as high potential
Data data is simultaneously transmitted to selection output module 30.
Preferably, the sky data data0 is the corresponding video data data of black picture.The black picture is corresponding
Video data data are the video data number that red sub-pixel grayscale, green sub-pixels grayscale and blue subpixels grayscale are 0
According to.
Preferably, the memory module 10 is random access memory (RAM).
Preferably, the memory module 10, enable signal weight generation module 20, write address generation module 40, read address are raw
At the also equal incoming clock signal of module 50, which is pulse signal, first when a length of K times of clock signal period,
The period of a length of L times of clock signal when second, when third a length of M times of clock signal period, a length of N times of the 4th when
The period of clock signal, wherein K > 0, L >=0, M > 0, N > 0.
It should be noted that sequence controller of the invention utilizes input enable signal de1 writing as memory module 10
Make to can control memory module 10 and video data data data is cached, and using enable signal weight generation module 20 to defeated
Enter enable signal de1 to be detected, the case where enable signal de1 disappears is inputted if it does not exist, no matter whether enable signal de1 has
It is jagged, enable signal weight generation module 20 can input enable signal de1 rising edge time after be spaced the second duration when
Carving, which generates conversion enable signal de2, has the high level pulse of third duration enabled to the reading as memory module 10, controls
The video data data data that memory module 10 processed stores it is transmitted to selection output module 30 after being read out, and enables
Signal weight generation module 20 also makes to control the first current potential of signal ctrl, selects output module 30 by the control signal of the first current potential
The control of ctrl exports the video data data data that memory module 10 is transmitted, enabled due to inputting so as to eliminate
The display picture that signal de1 is generated there are burr is abnormal.If the duration for inputting the holding low potential of enable signal de1 is greater than pre-
If four durations when, indicate there is the case where input enable signal de1 disappears, at this time enable signal weight generation module 20 at this time
Make to control the second current potential of signal ctrl and makes to convert enable signal de2 high potential and maintain third duration, selection output mould
Block 30 can export empty data data0 under the control of the control signal ctrl of the second current potential, so that in input enable signal
Sequence controller can export empty data after de1 suddenly disappears, and can eliminate display caused by suddenly disappearing as video data
Picture is abnormal.Further, 20 couples of control signal ctrl of enable signal weight generation module are the second current potential and conversion enable signal
Whether input enable signal de1 has whether rising edge namely input enable signal de1 restore to be normally carried out to sentence when de2 is high potential
Fixed, if so, indicating that input enable signal de1 is recovered normal, then enable signal weight generation module 20 is in control signal ctrl
For the second current potential and enable signal de2 is converted as high potential and maintains to make conversion enable signal de2 become low after third duration
Current potential simultaneously make control signal ctrl become the first current potential, if not, then it represents that input enable signal de1 there are still disappear the case where,
Then enable signal weight generation module 20 is the second current potential and converts enable signal de2 as high potential and maintain in control signal ctrl
Continue to make to control the second current potential of signal ctrl after third duration and continues to make to convert enable signal de2 high potential and maintain
Third duration, repeats the above steps, until when control signal ctrl is the second current potential and converts enable signal de2 as high potential
It inputs enable signal de1 and generates rising edge namely input enable signal de1 recovery normally, guarantee to hold in input enable signal de1
Select output module 30 that can continue to export empty data data0 during continuous disappearance, to guarantee that the display of picture is normal.
Based on the same inventive concept, the present invention also provides a kind of display devices, including above-mentioned sequence controller.Herein not
Repeated description is done to the structure of sequence controller again.The display device can for liquid crystal display device or other in the prior art
Need to be arranged the display device of sequence controller.
The sequence controller of display device of the invention is enabled as writing for memory module 10 using input enable signal de1
Control memory module 10 caches video data data data, and is made using the 20 pairs of inputs of enable signal weight generation module
Energy signal de1 is detected, and the case where enable signal de1 disappears is inputted if it does not exist, no matter whether enable signal de1 has hair
Thorn, enable signal weight generation module 20 make at the time of being spaced the second duration after the rising edge time for inputting enable signal de1
Converting enable signal de2 and generating has the high level pulse of third duration enabled to the reading as memory module 10, and control is deposited
The video data data data that storage module 10 stores it is transmitted to selection output module 30, and enable signal after being read out
Weight generation module 20 also makes to control the first current potential of signal ctrl, selects output module 30 by the control signal ctrl of the first current potential
Control the video data data data that memory module 10 is transmitted is exported, so as to eliminate due to input enable signal
The display picture that de1 is generated there are burr is abnormal.If the duration for inputting the holding low potential of enable signal de1 is greater than preset
When four durations, indicate there is the case where input enable signal de1 disappears at this time, enable signal weight generation module 20 makes to control at this time
Signal ctrl processed is the second current potential and makes to convert enable signal de2 high potential and maintain third duration, selects output module 30
Empty data data0 can be exported under the control of the control signal ctrl of the second current potential, so that prominent in input enable signal de1
Sequence controller can export empty data after so disappearing, and can eliminate and show that picture is different caused by suddenly disappearing as video data
Often.Further, 20 couples of control signal ctrl of enable signal weight generation module are the second current potential and conversion enable signal de2 is high
Whether enable signal de1 is inputted when current potential whether rising edge namely input enable signal de1 restore to be normally carried out judgement, if
It is to indicate that input enable signal de1 is recovered normal, then enable signal weight generation module 20 is second in control signal ctrl
Current potential and enable signal de2 is converted as high potential and maintains to make to convert enable signal de2 after third duration and becomes low potential simultaneously
Control signal ctrl is set to become the first current potential, if not, then it represents that input enable signal de1 is then enabled there are still disappearing
Signal weight generation module 20 is the second current potential and converts enable signal de2 into high potential and when maintaining third controlling signal ctrl
When continuing to make to control the second current potential of signal ctrl and continue to make to convert enable signal de2 high potential and maintain third after long
It is long, it repeats the above steps, until input makes when controlling signal ctrl and being the second current potential and convert enable signal de2 as high potential
Energy signal de1 generates rising edge namely input enable signal de1 restores normal, guarantees inputting enable signal de1 continued depletion
During select output module 30 that can continue to export empty data data0, to guarantee that the display of picture is normal.
In conclusion sequence controller of the invention includes that memory module, enable signal weight generation module and selection are defeated
Module out.By detecting using enable signal weight generation module to input enable signal, the carrot-free conversion of waveform is generated
Enable signal is enabled as the reading of memory module, and capable of eliminating input enable signal, there are burr brings to show that picture is abnormal,
Meanwhile if being more than to be inputted in preset duration without effective video, enable signal weight generation module control selections output module output
Empty data can be eliminated and show picture exception caused by suddenly disappearing as video data.Display device of the invention can disappear
Picture exception is shown caused by suddenly disappearing except input enable signal there are burr and video data.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (10)
1. a kind of sequence controller, which is characterized in that be electrically connected including memory module (10), with memory module (10) enabled
Signal weight generation module (20) and the selection being electrically connected with memory module (10) and enable signal weight generation module (20)
Output module (30)；
Memory module (10) access input enable signal (de1) and video data data (data)；The enable signal
Weight generation module (20) access input enable signal (de1), and conversion enable signal (de2) is exported to the memory module (10)
And signal (ctrl) is controlled to selection output module (30) output；The selection output module (30) accesses empty data (data0)；
When the rising edge arrival of input enable signal (de1), and before the rising edge arrives, input enable signal (de1) keeps low
The duration of current potential is greater than or equal to preset first duration, at the time of after the rising edge time by preset second duration,
Enable signal weight generation module (20) judges the current potential of conversion enable signal (de2), if conversion enable signal (de2) is
Low potential, then enable signal weight generation module (20) makes to convert enable signal (de2) into high potential and when maintaining preset third
Become low potential after length, and make to control signal (ctrl) to be the first current potential, otherwise enable signal weight generation module (20) keeps turning
It changes enable signal (de2) and controls signal (ctrl) current current potential；When input enable signal (de1) keeps the duration of low potential
When greater than preset four duration, enable signal weight generation module (20) makes to control signal (ctrl) as the second current potential and makes to convert
Enable signal (de2) is high potential and maintains third duration；4th duration be greater than the first duration and less than the first duration with
The sum of third duration；
The memory module (10) deposits video data data (data) when inputting enable signal (de1) and being high potential
Storage, video data data (data) output stored when converting enable signal (de2) as high potential to selection output mould
Block (30)；
The view that output module (30) is selected in control signal (ctrl) to export memory module (10) transmission when the first current potential
Frequency data (data) exports empty data (data0) when controlling signal (ctrl) and being the second current potential.
2. sequence controller as described in claim 1, which is characterized in that enable signal weight generation module (20) is to control
Input whether enable signal (de1) has rising when signal (ctrl) is the second current potential and converts enable signal (de2) as high potential
Edge is determined, if so, enable signal weight generation module (20) is the second current potential in control signal (ctrl) and conversion enables letter
Number (de2) is that high potential and maintaining makes after third duration to convert enable signal (de2) and becomes low potential and make to control signal
(ctrl) become the first current potential, if it is not, enable signal weight generation module (20) is the second current potential in control signal (ctrl) and turns
Enable signal (de2) is changed to be high potential and maintain to continue to make to control signal (ctrl) to be the second current potential and continuation after third duration
Make to convert enable signal (de2) as high potential and maintains third duration.
3. sequence controller as described in claim 1, which is characterized in that second duration is greater than 0 and less than the first duration
The sum of with third duration.
4. sequence controller as described in claim 1, which is characterized in that the first current potential is low potential, and the second current potential is high electricity
Position.
5. sequence controller as described in claim 1, which is characterized in that further include with enable signal weight generation module (20) and
The write address generation module (40) and weigh generation module (20) with enable signal and store that memory module (10) is electrically connected
The read address generation module (50) that module (10) is electrically connected；
Write address generation module (40) access input enable signal (de1)；Enable signal weight generation module (20) to
Memory module (10) output conversion enable signal (de2) simultaneously also produces conversion enable signal (de2) output to read address
Raw module (50).
6. sequence controller as claimed in claim 5, which is characterized in that the memory module (10) has multiple be set in sequence
Storage unit；
When the rising edge arrival of input enable signal (de1), and before the rising edge arrives, input enable signal (de1) keeps low
The duration of current potential is greater than or equal to preset first duration and writes when after the rising edge time in the stage of a length of third duration
Address generation module (40) sequentially transmits multiple write addresses corresponding with multiple storage units, the storage to memory module (10)
Module (10) will according to multiple write addresses of write address generation module (40) transmission when inputting enable signal (de1) and being high potential
Video data data (data) correspondence is stored to multiple storage units；
When after the rising edge time for converting enable signal (de2) in the stage of a length of third duration, read address generation module
(50) multiple read addresses corresponding with multiple storage units are sequentially transmitted to memory module (10), so that the memory module (10)
The video data data (data) of multiple memory cell storages are sequentially read when converting enable signal (de2) as high potential simultaneously
It is transmitted to selection output module (30).
7. sequence controller as described in claim 1, which is characterized in that the sky data (data0) are corresponding for black picture
Video data data.
8. sequence controller as claimed in claim 7, which is characterized in that the corresponding video data data of the black picture are
Red sub-pixel grayscale, green sub-pixels grayscale and blue subpixels grayscale are 0 video data data.
9. sequence controller as described in claim 1, which is characterized in that the memory module (10) is random access memory.
10. a kind of display device, which is characterized in that including such as described in any item sequence controllers of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779259.9A CN108986755B (en) | 2018-07-16 | 2018-07-16 | Time schedule controller and display device |
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| CN201810779259.9A CN108986755B (en) | 2018-07-16 | 2018-07-16 | Time schedule controller and display device |
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| CN108986755A true CN108986755A (en) | 2018-12-11 |
| CN108986755B CN108986755B (en) | 2020-09-29 |
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| CN201810779259.9A Active CN108986755B (en) | 2018-07-16 | 2018-07-16 | Time schedule controller and display device |
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Address after: 518132 No. 9-2 Ming Avenue, Guangming New District, Guangdong, Shenzhen Patentee after: TCL China Star Optoelectronics Technology Co.,Ltd. Address before: 518132 No. 9-2 Ming Avenue, Guangming New District, Guangdong, Shenzhen Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |