CN108206017A - Improve the method and system that liquid crystal display panel jumps screen - Google Patents
Improve the method and system that liquid crystal display panel jumps screen Download PDFInfo
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- CN108206017A CN108206017A CN201810074295.5A CN201810074295A CN108206017A CN 108206017 A CN108206017 A CN 108206017A CN 201810074295 A CN201810074295 A CN 201810074295A CN 108206017 A CN108206017 A CN 108206017A
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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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- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a kind of method and system improved liquid crystal display panel and jump screen, when data valid signal, reception clock, line synchronising signal and field sync signal abnormal parameters, shield scan control signal, liquid crystal display panel is made to stop scanning, so as to which the image shown on liquid crystal display panel be made no longer to refresh, it eliminates due to data valid signal, receive clock, screen phenomenon is jumped caused by line synchronising signal, field sync signal abnormal parameters.
Description
Technical field
The present invention relates to liquid crystal display technical fields, particularly relate to a kind of method and system improved liquid crystal display panel and jump screen.
Background technology
TCON (Timing controller) plate, that is, sequential control panel, in liquid crystal display systems, it is used to bridge front end
Mainboard and liquid crystal display panel mainly have two aspects to act on, and one was to turn on LVDS interface or V-By-One interfaces front end mainboard
The vision signal of transmission recovers Parallel image data, line synchronising signal, field sync signal, data valid signal in signal
With receive clock, then line synchronising signal, two step signal of field, data valid signal and receive clock control under by picture number
According to being converted into data format corresponding with liquid crystal display panel, by being connected to the differential data of liquid crystal display panel and clock signal and company
Being connected to the scan control signal of liquid crystal display panel will show in image data scanning to liquid crystal display panel；Second is that it is carried for liquid crystal display panel
For each road power supply needed for work.
In liquid crystal display systems, front end mainboard usually requires the signal source of compatible multiple format.When the signal of front end mainboard
It is corresponding to be sent to vision signal on TCON plates and also change when source switches.When the variation range of video signal parameter surpasses
When having crossed the following range of TCON plates, TCON plates just need to be adapted to new signal format again, corresponding, when TCON plates are sent to
When the variation range of signal on liquid crystal display panel has been more than the following range of liquid crystal display panel, liquid crystal display panel is also required to be adapted to again new
Signal format.In the adaptation procedure of new signal form, the image shown on liquid crystal display panel is mistake or incomplete, is shown
Image to normal handoff procedure by normally as jumping screen phenomenon again to mistake, although the duration for jumping screen phenomenon is very short, one
As within one second, but can strong influence user experience.
Invention content
The present invention proposes a kind of method and system improved liquid crystal display panel and jump screen, solves liquid crystal display panel jump in the prior art
Screen influences the problem of user experience.
The technical proposal of the invention is realized in this way：
The invention discloses a kind of method improved liquid crystal display panel and jump screen, when data valid signal, reception clock, row synchronize
When signal and field sync signal abnormal parameters, scan control signal is shielded, liquid crystal display panel is made to stop scanning.
Further, following steps are specifically included：
(1) LVDS or V-By-One input signals recover data valid signal, connect after receiving decoder module processing
Time receiving clock, line synchronising signal, field sync signal and Parallel image data；
(2) image data write control module data valid signal, line synchronising signal, field sync signal control under will simultaneously
Double port memory is written in row image data；
(3) image data read control module under the control for reading synchronous control signal by the image data in double port memory
It reads, is sent into Data Format Transform and scan control module carries out format conversion.Then by being connected to liquid crystal display panel difference number
It is exported according to clock signal；
(4) signal parameter monitoring modular Real-time Monitoring Data useful signal, reception clock, line synchronising signal, field synchronization letter
Number, when signal parameter exception, output parameter change flag signal；
(5) Data Format Transform and scan control module are controlled by Parameters variation marking signal, when Parameters variation mark is believed
When number effective, Data Format Transform and scan control module are connected to the scan control signal of liquid crystal display panel by control, make liquid
Crystal panel stops scanning.
Further, signal parameter monitoring modular, image data read control module, Data Format Transform and scan control mould
The synchronised clock of block is external reference clock, and image data writes the reference clock of control module to receive clock.
The invention also discloses a kind of system improved liquid crystal display panel and jump screen, including receiving decoder module, signal parameter inspection
Survey module, image data reads synchronization control module, image data writes control module, double port memory, image data read control mould
Block, reference clock, Data Format Transform and scan control module；
The reception decoder module is decoded processing to LVDS the or V-By-One input signals that input terminal inputs, and restores
Go out data valid signal, receive clock, line synchronising signal, field sync signal and Parallel image data, data valid signal, reception
Clock, line synchronising signal and field sync signal are sent respectively to signal parameter detection module, image data reads synchronization control module
Control module is write with image data；
Described image data write control module data valid signal, line synchronising signal, field sync signal control under will
Double port memory is written in Parallel image data；
Described image data read synchronization control module and send out reading synchronous control signal to described image data read control module；
Reference clock signal is respectively sent to signal parameter detection module by the reference clock, image data reads control mould
Block and Data Format Transform and scan control module；
Described image data read control module is under the control for reading synchronous control signal by the picture number in double port memory
According to reading, it is sent into Data Format Transform and scan control module carries out format conversion；
The signal parameter detection module exports effective Parameters variation marking signal to described when signal parameter exception
Data Format Transform and scan control module；
The Data Format Transform and scan control module send out the differential data and clock signal for being connected to liquid crystal display panel
And it is connected to the scan control signal of liquid crystal display panel；When Parameters variation marking signal is effective, pass through scan control signal control
Liquid crystal display panel processed stops scanning.
Further, the reference clock is external reference clock.
The beneficial effects of the present invention are：When data valid signal, receive clock, line synchronising signal and field sync signal ginseng
When number is abnormal, scan control signal is shielded, liquid crystal display panel is made to stop scanning, so as to which the image shown on liquid crystal display panel be made no longer to brush
Newly, it eliminates due to data valid signal, receive clock, it is existing to jump screen caused by line synchronising signal, field sync signal abnormal parameters
As.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is that the present invention improves the flow chart that liquid crystal display panel jumps the method for screen.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention proposes a kind of method improved liquid crystal display panel and jump screen, when data valid signal, receive
When clock, line synchronising signal and field sync signal abnormal parameters, scan control signal is shielded, liquid crystal display panel is made to stop scanning, from
And mistake or imperfect image is made not to be shown on liquid crystal display panel, it eliminates due to data valid signal, receive clock, row is same
Jump screen phenomenon caused by walking signal, field sync signal abnormal parameters.
Specifically include following steps：
(1) LVDS or V-By-One input signals recover data valid signal, connect after receiving decoder module processing
Time receiving clock, line synchronising signal, field sync signal and Parallel image data；
(2) image data write control module data valid signal, line synchronising signal, field sync signal control under will simultaneously
Double port memory is written in row image data；
(3) image data read control module under the control for reading synchronous control signal by the image data in double port memory
It reads, is sent into Data Format Transform and scan control module carries out format conversion.Then by being connected to liquid crystal display panel difference number
It is exported according to clock signal；
(4) signal parameter monitoring modular Real-time Monitoring Data useful signal, reception clock, line synchronising signal, field synchronization letter
Number, when signal parameter exception, output parameter change flag signal；
(5) Data Format Transform and scan control module are controlled by Parameters variation marking signal, when Parameters variation mark is believed
When number effective, Data Format Transform and scan control module are connected to the scan control signal of liquid crystal display panel by control, make liquid
Crystal panel stops scanning.
Signal parameter monitoring modular, image data read control module, Data Format Transform are synchronous with scan control module
Clock is external reference clock, and image data writes the reference clock of control module to receive clock.The frequency ginseng of clock when 330 receiving
During number variation, the rate and clock signal frequency that are connected to the differential data of liquid crystal display panel can't change.Liquid crystal display panel
DRP data reception process will not by receive clock frequency variation be influenced, ensure that be connected to liquid crystal display panel differential data speed
The stabilization of rate and clock signal frequency.So that the DRP data reception process of liquid crystal display panel will not be by the shadow for receiving clock frequency variation
It rings, it has been more than that the following range of liquid crystal display panel is led to eliminate and the variation range of the signal on liquid crystal display panel is sent to due to TCON plates
The jump screen phenomenon of cause.
The invention also discloses a kind of system improved liquid crystal display panel and jump screen, including receiving decoder module, signal parameter inspection
Survey module, image data reads synchronization control module, image data writes control module, double port memory, image data read control mould
Block, reference clock, Data Format Transform and scan control module；
It receives decoder module and processing is decoded to LVDS the or V-By-One input signals that input terminal inputs, recover number
According to useful signal, receive clock, line synchronising signal, field sync signal and Parallel image data, data valid signal, when receiving
Clock, line synchronising signal and field sync signal be sent respectively to signal parameter detection module, image data read synchronization control module and
Image data writes control module；
Image data write control module data valid signal, line synchronising signal, field sync signal control under will be parallel
Double port memory is written in image data；
Image data reads synchronization control module and sends out reading synchronous control signal to image data read control module；
Reference clock by reference clock signal be respectively sent to signal parameter detection module, image data read control module with
And Data Format Transform and scan control module；
Image data read control module reads the image data in double port memory under the control for reading synchronous control signal
Go out, be sent into Data Format Transform and scan control module carries out format conversion；
Signal parameter detection module exports effective Parameters variation marking signal to data format when signal parameter exception
Conversion and scan control module；
Data Format Transform and scan control module send out the differential data for being connected to liquid crystal display panel and clock signal and
It is connected to the scan control signal of liquid crystal display panel；When Parameters variation marking signal is effective, liquid is controlled by scan control signal
Crystal panel stops scanning.
Reference clock is external reference clock.
When data valid signal, reception clock, line synchronising signal and field sync signal abnormal parameters, scan control is shielded
Signal makes liquid crystal display panel stop scanning, so as to which the image shown on liquid crystal display panel be made no longer to refresh, eliminates since data are effective
Signal receives clock, and screen phenomenon is jumped caused by line synchronising signal, field sync signal abnormal parameters.The frequency ginseng of clock when 330 receiving
During number variation, the rate and clock signal frequency that are connected to the differential data of liquid crystal display panel can't change.Cause liquid crystal
The DRP data reception process of panel will not be influenced by clock frequency variation is received, and be eliminated since TCON plates are sent to liquid crystal surface
The variation range of signal on plate has been more than jump screen phenomenon caused by the following range of liquid crystal display panel.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (5)
- A kind of 1. method improved liquid crystal display panel and jump screen, it is characterised in that：When data valid signal, receive the synchronous letter of clock, row Number and during field sync signal abnormal parameters, shield scan control signal, liquid crystal display panel made to stop scanning.
- 2. the method according to claim 1 improved liquid crystal display panel and jump screen, it is characterised in that：Specifically include following steps：(1) LVDS or V-By-One input signals are after receiving decoder module processing, when recovering data valid signal, receiving Clock, line synchronising signal, field sync signal and Parallel image data；(2) image data write control module data valid signal, line synchronising signal, field sync signal control under will scheme parallel As double port memory is written in data；(3) image data read control module reads the image data in double port memory under the control for reading synchronous control signal Go out, be sent into Data Format Transform and scan control module carries out format conversion.Then by being connected to liquid crystal display panel differential data It is exported with clock signal；(4) signal parameter monitoring modular Real-time Monitoring Data useful signal, reception clock, line synchronising signal, field sync signal, when During signal parameter exception, output parameter change flag signal；(5) Data Format Transform and scan control module are controlled by Parameters variation marking signal, when Parameters variation marking signal has During effect, Data Format Transform and scan control module are connected to the scan control signal of liquid crystal display panel by control, make liquid crystal surface Plate stops scanning.
- 3. the method according to claim 2 improved liquid crystal display panel and jump screen, it is characterised in that：Signal parameter monitoring modular, The synchronised clock of image data read control module, Data Format Transform and scan control module be external reference clock, picture number According to writing the reference clock of control module to receive clock.
- 4. a kind of system improved liquid crystal display panel and jump screen, it is characterised in that：Including receiving decoder module, signal parameter detection mould Block, image data read synchronization control module, image data writes control module, double port memory, image data read control module, base Punctual clock, Data Format Transform and scan control module；The reception decoder module is decoded processing to LVDS the or V-By-One input signals that input terminal inputs, and recovers number According to useful signal, receive clock, line synchronising signal, field sync signal and Parallel image data, data valid signal, when receiving Clock, line synchronising signal and field sync signal be sent respectively to signal parameter detection module, image data read synchronization control module and Image data writes control module；Described image data write control module data valid signal, line synchronising signal, field sync signal control under will be parallel Double port memory is written in image data；Described image data read synchronization control module and send out reading synchronous control signal to described image data read control module；The reference clock by reference clock signal be respectively sent to signal parameter detection module, image data read control module with And Data Format Transform and scan control module；Described image data read control module reads the image data in double port memory under the control for reading synchronous control signal Go out, be sent into Data Format Transform and scan control module carries out format conversion；The signal parameter detection module exports effective Parameters variation marking signal to the data when signal parameter exception Format conversion and scan control module；The Data Format Transform and scan control module send out the differential data for being connected to liquid crystal display panel and clock signal and It is connected to the scan control signal of liquid crystal display panel；When Parameters variation marking signal is effective, liquid is controlled by scan control signal Crystal panel stops scanning.
- 5. the system according to claim 4 improved liquid crystal display panel and jump screen, it is characterised in that：The reference clock is outside Reference clock.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810074295.5A CN108206017B (en) | 2018-01-25 | 2018-01-25 | Method and system for improving screen jumping of liquid crystal panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074295.5A CN108206017B (en) | 2018-01-25 | 2018-01-25 | Method and system for improving screen jumping of liquid crystal panel |
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| CN108206017A true CN108206017A (en) | 2018-06-26 |
| CN108206017B CN108206017B (en) | 2020-08-11 |
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| CN112492304A (en) * | 2020-12-04 | 2021-03-12 | 广州晶序达电子科技有限公司 | TCON board and TCONLESS mainboard functional test system |
| CN113907695A (en) * | 2021-12-09 | 2022-01-11 | 极限人工智能有限公司 | Denoising method, denoising device, endoscope, surgical robot and readable storage medium |
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| Publication number | Publication date |
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| CN108206017B (en) | 2020-08-11 |
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