CN106652893A - Led display screen control system - Google Patents
Led display screen control system Download PDFInfo
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- CN106652893A CN106652893A CN201611219702.4A CN201611219702A CN106652893A CN 106652893 A CN106652893 A CN 106652893A CN 201611219702 A CN201611219702 A CN 201611219702A CN 106652893 A CN106652893 A CN 106652893A
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides an LED display screen control system. The LED display screen control system comprises a scanning card (40) and LED lamp panel modules (50 and 60) connected with the scanning card (40), wherein the scanning card (40) comprises a data input/output circuit (43) and an image display control chip (20) arranged on a first circuit board; the image display control chip (20) is connected with the data input/output circuit (43), and is used for receiving a command packet and an image data packet through the data input/output circuit (43), and carrying out capture, correction, rearrangement and gray level extraction on the image data obtained by unpacking the image data packet according to parameter data obtained by unpacking the command packet, so that drive signal groups and display data groups are generated and converted into serial differential signal groups to be output to the LED lamp panel modules (50 and 60) for image display by the LED lamp panel modules (50 and 60). According to the LED display screen control system, the function of the scanning card is made chip-based to the greatest extent, and therefore, the purposes of reducing the size of the scanning card and improving the display effect of an LED display screen body are achieved.
Description
Technical field
The present invention relates to display technology field, more particularly to LED display control system.
Background technology
Existing LED display control system mainly includes sending card, scanning card and LED display, wherein scanning card
In being configured at each LED box, multiple LED boxes are spliced into a LED display.The display effect of LED display directly by
The scanning card (or claiming LED display control panel, receiving card) configured in each LED box is determined.Determine in LED box specification
In the case of, the performance parameter of LED display determines substantially, especially in universal driving chip LED display.
With closely spaced development, need the pixel for scanning cassette tape load to increase, and scan card limited bandwidth and lead to not
Making big band carry hypograph still can perfectly show；The restriction of scanning card volume size also causes it cannot be more closely spaced
Apply on LED display.
As shown in figure 1, scanning card in existing LED display control system and LED lamp panel module and needing cascade
LED lamp panel module and LED lamp panel module between the signal that transmits mostly be the single-ended signal of TTL, transmission medium mostly is multicore row
Line, winding displacement mostly is dual-in-line connector with the interface of LED lamp panel module.
Furthermore, existing scanning card technique Center for architecture part is FPGA, and all of data receiver is completed inside FPGA
And distribution, the process of view data, the extraction of gradation data, and exported not according to different LED box specifications, different driving chip
Display data together and drive signal, and exported to the LED lamp panel module in LED box by signal enhancing output module
On.
However, FPGA and its supporting related device etc. cause volume ratio larger in existing scanning card, and need to shield body
Producer provides HUB plates (pinboard), increased the thickness of product, is unfavorable for the design of high density LED display.The band of scanning card
Width is limited cannot to support that very big band is carried.Universal driving chip is cheap due to its, although the time for using is longer, still
Favored by client；For the LED box using universal driving chip, due to its drive characteristic, need ceaselessly
Output gray level data, but the RGB data group (display data) of FPGA outputs is limited, it is impossible to meet display effect requirement higher
Occasion.Additionally, being connected by winding displacement between scanning card and the LED lamp panel module in LED box, existing signal transmission form
There is problems with connected mode：1) each single-ended signal needs to take single line core, causes the core quantity of winding displacement more,
So that a routine 8 sweeps LED lamp panel module as an example, if desired two groups of RGB datas, add clock signal (CLK), latch signal
(LAT), the signals one such as signal (OE), row selection signal (A, B, C) are enabled and has 12 single-ended signals, along with least one ground
Signal, at least needs the winding displacement of 13 cores, but Jing is commonly present some using LED lamp panel module to accessing in LED display industry
The core limited amount system of winding displacement, multicore winding displacement is inconvenient；2) because winding displacement core is more, between winding displacement and LED lamp panel module
Connector contact point it is also more, single core is obstructed or loose contact to may result in display abnormal, what this reason was brought
Failure accounts for significant proportion in LED display application and trouble；3) TTL signal is limited because of signal attenuation transmission range, usually not more than
2 meters are crossed, some application scenarios need longer transmission range, thus TTL signal is difficult to be competent at；And 4) winding displacement transmission TTL believes
Number cause that signal radiation is larger, this is to LED display by EMC calibration tapes come difficult.
The content of the invention
Therefore, it is of the invention to propose a kind of LED display control system to overcome defect of the prior art and deficiency.
Specifically, a kind of LED display control system that the embodiment of the present invention is proposed, including sweep described in scanning card and connection
Retouch the LED lamp panel module of card.The scanning card includes that the data input/output circuit and image that are arranged on first circuit board show
Show control chip；Described image display control chip connects the data input/output circuit, for defeated by the data
Enter/output circuit receives order bag and view data bag, according to unpacking the order supplemental characteristic that obtains of bag to described in unpacking
The view data that view data bag is obtained is intercepted, corrected, being reset and gray scale extracts to produce drive signal group and show number
According to group and it is converted into serial differential signals group and exports carrying out image for the LED lamp panel module to the LED lamp panel module and showing.
In one embodiment of the invention, described image display control chip is asic chip.
In one embodiment of the invention, the serial differential signals group is LVDS signal groups.
In one embodiment of the invention, the LED lamp panel module includes arranging driving core on the second circuit board
Piece group, the driving chip group be used for receive the serial differential signals group as input carry out image show driving complete image
Show, and the data communication mode between the multiple driving chips in the driving chip group adopts serial differential signals group.
In one embodiment of the invention, described image display control chip includes：Differential signal transmits/receives module, number
According to link and major-minor port handover module, order group bag/unpacking module, parameter command module, image sets bag/unpacking module, figure
Picture processing module, memory control module, image output mode adjusting module, image output driving module and display data are defeated
Go out module；The differential signal transmit/receive module for receive include the supplemental characteristic order bag and comprising described image number
According to view data bag；The data link is connected the differential signal and transmits/receives module with major-minor port handover module, for knowing
Other up-downgoing data link come complete input and output switching and determine major-minor communication data port；Order group bag/the unpacking
Module connects the data link and major-minor port handover module, for being unpacked to obtain parameter number to the order bag
According to；The parameter command module connects the order group bag/unpacking module, described image processing module and described image output mould
Formula adjusting module, for the supplemental characteristic to be issued into described image processing module and described image output mode adjustment mould
Block；Described image group bag/unpacking module connects the data link and major-minor port handover module, for described image data
Bag is unpacked to obtain view data；Described image processing module connects described image group bag/unpacking module and the storage
Device control module, for picture number after described image data are carried out with the intercepting and the correct operation to obtain single treatment
According to；The memory control module is used for the reading and storage of data；Described image output mode adjusting module connects the figure
As processing module and the memory control module, for being communicated with described image processing module and to the single treatment
View data after afterwards view data carries out the rearrangement and the gray scale extraction operation to obtain after-treatment；And described image
Output driving module and the display data output module connect respectively described image output mode adjusting module, for according to institute
State view data after after-treatment and produce the drive signal group and the display data group respectively.
In one embodiment of the invention, the scanning card also includes and turns string module, and connection described image output is driven
Dynamic model block and the display data output module, for by described image output driving module and the display data output module
The drive signal group and the display data group for producing respectively is converted into serial differential signals group from parallel TTL forms.
In one embodiment of the invention, a described and turn string module is including LVDS transmitters.
In one embodiment of the invention, described image output driving module and the display data output module are distinguished
The drive signal group for producing and the display data group are that serial differential signals form drive signal group and serial differential are believed
Number form display data group.
In one embodiment of the invention, the differential signal transmits/receives module includes physical layer interface chip core, and institute
Physical layer interface chip core is stated including two data transfer cores of major-minor.The data input/output circuit include first port, the
One signal shaping strengthens isolation circuit, second port and secondary signal shaping and strengthens isolation circuit, the first port and described
Second port strengthens isolation circuit and the secondary signal shaping and strengthens isolation circuit and connect by first signal shaping respectively
Connect the physical layer interface chip core.
In one embodiment of the invention, the scanning card also includes the storage being arranged on the first circuit board
Device, and the memory connects the memory control module of described image display control chip；Or described image shows
Control chip is integrated with dynamic RAM, and the dynamic RAM connects the memory control module.
From the foregoing, it will be observed that the embodiment of the present invention can reduce and sweep by proposing new LED display control system technical scheme
The volume of card is retouched, contributes to reducing the bandwidth of image processing section, support that big band is carried, support highly dense Small Distance screen body；Showing
The serial differential signals group such as LVDS is employed in data group and the transmitting procedure of drive signal group so that signal can transmit more
It is remote and communicate more stable；And more data groups can be exported, solve existing scanning and be stuck in universal driving chip LED display
The bad problem of display effect in body, improves refresh rate and gray scale, reaches the purpose for improving LED display body display effect.With
The implementation of existing scanning card is compared, and the scanning card realized via image display control chip not only can greatly reduce
The area of scanning card, and facilitate user configuring type of drive with display data output format to shorten the construction cycle, saving is opened
Send out cost.
Become obvious by the other side and feature below with reference to the detailed description of accompanying drawing, the present invention.But should know
Road, the accompanying drawing is only the purpose design explained, not as the restriction of the scope of the present invention.It should also be noted that unless another
Point out outward, it is not necessary to scale accompanying drawing, they only try hard to conceptually illustrate structure described herein and flow process.
Description of the drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the structure and annexation schematic diagram of scanning card and LED lamp panel module in prior art.
Fig. 2 is a kind of internal structure schematic diagram of the image display control chip for being relevant to the embodiment of the present invention.
Fig. 3 is the configuration diagram using a kind of LED display control system of image display control chip shown in Fig. 2.
Fig. 4 A are to be illustrated using the framework of another kind of LED display control system of image display control chip shown in Fig. 2
Figure.
Fig. 4 B are a kind of configuration diagram of LED display control system of other embodiments of the invention.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Specifically, following embodiments of the invention propose a kind of new LED display control system technical scheme, and it will scanning
Card function is tried one's best chip, to reducing the volume of scanning card, supports that big band is carried, and supports high density Small Distance screen body；Solve simultaneously
Certainly existing scanning is stuck in the bad problem of display effect in universal driving chip screen body, improves the display effect of LED display；
And by using new transmission means, reduction winding displacement core quantity is reached, and the stability and reliability of transmission are improved, EMI is reduced,
More easily reach the requirement of EMC.
Referring to Fig. 2, it is a kind of internal junction of image display control chip for being applied to scan card of the embodiment of the present invention
Structure schematic diagram.As shown in Fig. 2 the image display control chip 20 of the present embodiment includes：Physical layer interface chip core 21, Data-Link
Road and major-minor port handover module 22, order group bag/unpacking module 23, parameter command module 24, image sets bag/unpacking module
25th, image processing module 26, memory control module 27, image output mode adjusting module 28, image output driving module
29a, display data output module 29b and LVDS (Low Voltage Differential Signaling, low voltage difference
Signal) transmitter 29c.
Wherein, packet or general of the primary recipient of physical layer interface chip core 21 from front controller (such as sending card)
Internal data is sent with data packet form, generally comprises two data transfer cores of major-minor；It is understood that physical layer connects
Mouth chip core 21 can be that the differential signals such as kilomega network, 100,000,000 net PHY network chip cores transmit/receive module, or even can also be it
His differential signal transmits/receives module such as SerDes modules.
Data link is connected physical layer interface chip core 21 with major-minor port handover module 22, and it is upper and lower mainly for identification
Row data link is switched with the input and output of completing port, and determines major-minor communication data port.
Order group bag/connection data link of unpacking module 23 and major-minor port handover module 22, it mainly completes front end control
What device processed was issued orders the unpacking of bag and by the data group bag of front controller needs in case sending.
The bind command group bag of parameter command module 24/unpacking module 23, it is mainly used in issuing supplemental characteristic to control LED
The display of LED lamp panel module in display screen；Specifically, the various parameters data that parameter command module 24 is issued are for example comprising drive
Dynamic chip type (PWM types driving chip or universal driving chip), band carries viewing area size, and output display data are (for example
RGB data) always organize number, the scan mode (such as 8 sweep, 16 sweep, 32 sweep) and the picture of LED lamp panel module of LED lamp panel module
Plain wide high, scanning number, scanning decoded mode, type of drive, data group number and cabling mode etc. information.
Image sets bag/connection data link of unpacking module 25 and major-minor port handover module 22, mainly complete to picture number
According to the unpacking of bag, view data bag herein typically comprises field sync signal data and display data such as RGB data group.
Image processing module 26 connects image sets bag/unpacking module 25 and parameter command module 24, and it is mainly according to parameter
The supplemental characteristic that command module 24 is issued completes to unpack the picture number obtained after view data bag to image sets bag/unpacking module 25
Process according to being intercepted and being corrected etc..It is, for example, the parameter number issued according to parameter command module 24 that view data herein is intercepted
Band according in carries viewing area size to carry out, correction herein be, for example, inverse gamma (Gamma) correction, gamma correction and/
Or other correction such as chromaticity corrections.
Memory control module 27 mainly completes bus arbitration and function of data distribution, for realizing to memory 30
Data access；Memory control module 27 herein can be SDRAM or DDR control stones.
The connection image processing module 26 of image output mode adjusting module 28, parameter command module 24 and memory control mould
Block 27, is mainly communicated with view data and root after the process for obtaining the generation of image processing module 26 with image processing module 26
The supplemental characteristic such as output display data issued according to parameter command module 24 always organize number, the scan mode of LED lamp panel module and
After cabling mode etc. carries out after-treatment such as data rearrangement and gray scale extraction to view data after process to obtain after-treatment
View data；Herein it is noted that due to different types of driving chip required image data form it is different, such as it is general
Type driving chip is different with the image data format required for PWM type driving chips, so that data rearrangement is carried out, that is,
Say that typically (such as universal driving chip or PWM types drive data rearrangement according to the above-listed driving chip of rear end LED lamp panel module
Dynamic chip) desired data form and LED lamp panel cabling information etc. carry out gradation data position and rearrange and spliced and combined
Deng operation；Furthermore, due to needing for data to be transformed into tonal gradation signal, separate so that carrying out gray scale and extracting such as Bit
Deng operation, that is to say, that gray scale extracts the gradation data being typically after correction process and carries out lock out operation according to every Bit, with
Gradation data is transformed into the mode that weight is realized according to different Bit differences；Furthermore, image output mode adjusting module 28 herein
Obtain view data after the process that image processing module 26 is generated and there are two kinds of situations：One kind is direct by image processing module 26
, to image output mode adjusting module 28, another kind is that image processing module 26 informs figure after process to export view data after process
As data storage address in memory 30 to image output mode adjusting module 28 for image output mode adjusting module
28 are read by memory control module 27 from memory 30.
As output mode adjusting module 28, it is mainly used in being exported according to image image output driving module 29a connection figure
View data produces the drive signal group corresponding with driving chip after the after-treatment of the output of mode adjustment module 28；Herein
Drive signal group for example includes clock signal (CLK), latch signal (LAT), enables signal (OE), row selection signal (A, B, C)
Deng.
As output mode adjusting module 28, it is mainly used in being exported according to image display data output module 29b connection figures
View data produces the display data group met needed for target LED lamp panel module after the after-treatment of the output of mode adjustment module 28
Such as multiple RGB data groups；LED lamp panel module herein typically comprises circuit board and setting driving chip on circuit boards
Group and the multiple LED as display pixel.
LVDS transmitter 29c connection figures as output driving module 29a and display data output module 29b, for by image
The display data group that the drive signal group and display data output film 29b that output driving module 29a is produced is produced is turned parallel
Serial operation sends (for example send to by flexible cable) target LED lamp panel module to obtain LVDS signal groups.Herein, by
It is that LED lamp panel module is sent to LVDS differential signals in drive signal group and display data group, it advantageously reduces winding displacement line
Core quantity, improves the stability and reliability of transmission.Furthermore, it is to be understood that LVDS transmitters 29c can also be substituted for it
He can by parallel TTL signal be converted into serial differential signals and turn string module.Further, it is also possible to drive directly to image output
Dynamic model block 29a and display data output module 29b are respectively configured LVDS transmitters, so that image output driving module 29a energy
It is enough directly to produce RTCM-Radio Technical Commission for Maritime Services drive signal group and enable display data output module 29b directly to produce difference letter
Number form display data group.
In addition, in other embodiments, it is also possible to which memory 30 is integrated into inside image display control chip 20, for example
Shown in Fig. 4 B, to reduce chip pin.Herein, memory 30 is, for example, the dynamic RAMs such as SDRAM or DDR.
Referring to Fig. 3, it is a kind of LED display of the embodiment of the present invention using image display control chip 20 shown in Fig. 2
The configuration diagram of control system.As shown in figure 3, LED display control system includes front controller (not shown), scanning card
40 and LED lamp panel module 50.Front controller can be the sending card of synchronous LED display screen control system, asynchronous LED display screen
The Asynchronism Card of control system, even host computer.
Scanning card 40 includes：Data input/output circuit 43 on circuit boards, image display control chip 20 are set with
And memory 30.Wherein, data input/output circuit 43 includes port 431a, and 431b and signal shaping strengthen isolation circuit
433a,433b；Port 431a strengthens isolation circuit 433a connection figure as the physical layer of display control chip 20 by signal shaping
Interface chip core 21；Similarly, port 431b strengthens isolation circuit 433b connection figure as display control chip by signal shaping
20 physical layer interface chip core 21；By data link in image display control chip 20 and major-minor port handover module 22
Work, in that case it can be decided that one of port 431a and port 431b are used as master port, another one is as secondary port and determines end
Mouth 431a, 431b are input port or output port.Image display control chip 20 is preferably ASIC (Application
Specific Integrated Circuits, special IC) chip, it is used for according in port 431a and port 431b
As master port input supplemental characteristic and view data, view data is intercepted according to supplemental characteristic, is corrected, being reset and
Gray scale extraction processes and obtains destination image data and produced according to destination image data and export comprising drive signal group and show
The LVDS signal groups for showing data group (such as multiple RGB data groups) show so that LED lamp panel module 50 carries out image.Port 431a
Can be used for cascade next stage scanning card as secondary port person with the 431b of port.The connection figure of memory 30 is as display control chip
20 memory control module 27 completes view data to coordinate image processing module 26 and image output mode adjusting module 28
Process operation.In addition, it is noted that port 431a and signal shaping strengthen combining structure and the end of isolation circuit 433a
Mouth 431b and signal shaping strengthen the combining structure of isolation circuit 433b to be connect using physical layer in image display control chip 20
The data input/output circuit that mouth chip core 21 is adopted in the case of transmitting/receiving module as differential signal, physical layer interface core
Piece core 21 can be that PHY network chips core or other differential signals transmit/receive module such as SerDes modules, port 431a, 431b
The e.g. physical layer interface such as network interface, coaxial cable interface or optical fiber interface, signal shaping strengthens isolation circuit 433a, 433b examples
Network transformer or other match circuits in this way.
LED lamp panel module 50 includes that the string for arranging on circuit boards turns and chipset 51, driving chip group 53 and conduct
Multiple LED (not shown) of display pixel.Wherein, string turns and chipset 51 enters for the LVDS signal groups of self-scanning in future card 40
Row serioparallel exchange is obtaining parallel TTL forms drive signal group and parallel TTL forms display data group and be supplied to driving chip
Group 53 carries out image and shows, string turns and chipset 51 for example includes one or more multichannel LVDS receivers, but the present invention is simultaneously
It is not limited.Driving chip group 53 is primarily referred to as row driving chip, has certainly including line driving chip (also referred to as row decoding core
Piece).
Referring to Fig. 4 A, of the invention its is another kind of the embodiment of the present invention using image display control chip 20 shown in Fig. 2
The configuration diagram of LED display control system.LED display control system shown in Fig. 4 A is controlled with LED display shown in Fig. 3
The difference of system is the structure of LED lamp panel module.Specifically, in Figure 4 A, LED lamp panel module 60 is not provided with such as Fig. 3
Shown string turns and chipset 51, and the LVDS signal groups of self-scanning card 40 are carried out and according to institute so as to driving chip group 63 is directly received
The LVDS signal groups of reception carry out image and show driving, and (for example row drive between multiple driving chips in driving chip group 63
Between dynamic chip) data communication be also adopted by the mode of LVDS signal groups；Consequently, it is possible to can not only be by the farther of signal transmission
And its jamproof ability is greatly strengthen compared with Transistor-Transistor Logic level signal so that transmission range is greatly improved with reliability.
In sum, the embodiment of the present invention can reduce and sweep by proposing new LED display control system technical scheme
The volume of card is retouched, contributes to reducing the bandwidth of image processing section, support that big band is carried, support highly dense Small Distance screen body；Showing
Employ the differential signals such as LVDS in the transmitting procedure of data group and drive signal group so that signal can transmit farther and
Communication is more stable；And more data groups can be exported, the existing scanning of solution is stuck in universal driving chip LED display body and shows
Show the bad problem of effect, improve refresh rate and gray scale, reach the purpose for improving LED display body display effect.With it is existing
The implementation of scanning card is compared, and the scanning card realized via image display control chip not only can great reduced scanning card
Area, and facilitate user configuring type of drive and display data output format to shorten the construction cycle, save development cost.
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when making a little change or modification using the technology contents of the disclosure above
For the Equivalent embodiments of equivalent variations, as long as being without departing from technical solution of the present invention content, according to the technical spirit pair of the present invention
Any simple modification, equivalent variations and modification that above example is made, still fall within the range of technical solution of the present invention.
Claims (10)
1. a kind of LED display control system, including scanning card (40) and the LED lamp panel module of connection scanning card (40)
(50、60)；Characterized in that,
Scanning card (40) is including the data input/output circuit (43) and image display control being arranged on first circuit board
Chip (20)；Described image display control chip (20) connects the data input/output circuit (43), for by the number
The supplemental characteristic pair for receive order bag and view data bag according to input/output circuitry (43), obtaining according to the unpacking order bag
The view data that unpacking described image packet is obtained is intercepted, corrected, being reset and gray scale is extracted to produce drive signal group
With display data group and it is converted into serial differential signals group and exports to the LED lamp panel module (50,60) for the LED template die
Group (50,60) carries out image and shows.
2. LED display control system as claimed in claim 1, it is characterised in that described image display control chip (20)
For asic chip.
3. LED display control system as claimed in claim 1, it is characterised in that the serial differential signals group is LVDS
Signal group.
4. LED display control system as claimed in claim 1, it is characterised in that the LED lamp panel module (60) is including setting
Put driving chip group (63) on the second circuit board, the driving chip group (63) is for receiving the serial differential signals group
Image is carried out as input show that driving completes image and shows, and between the multiple driving chips in the driving chip group (63)
Data communication mode adopt serial differential signals group.
5. the LED display control system as described in claim 1 or 4, it is characterised in that described image display control chip
(20) include：Differential signal transmits/receives module, data link and major-minor port handover module (22), order group bag/unpacking module
(23), parameter command module (24), image sets bag/unpacking module (25), image processing module (26), memory control module
(27), image output mode adjusting module (28), image output driving module (29a) and display data output module (29b)；
The differential signal transmits/receives module for receiving the order bag and described image packet；
The data link is connected the differential signal and transmits/receives module with major-minor port handover module (22), for recognizing up and down
Row data link come complete input and output switching and determine major-minor communication data port；
The order group bag/unpacking module (23) connects the data link and major-minor port handover module (22), for institute
State order bag to be unpacked to obtain supplemental characteristic；
The parameter command module (24) connect the order group bag/unpacking module (23), described image processing module (26) and
Described image output mode adjusting module (28), for the supplemental characteristic to be issued into described image processing module (26) and institute
State image output mode adjusting module (28)；
Described image group bag/unpacking module (25) connects the data link and major-minor port handover module (22), for institute
State view data bag to be unpacked to obtain view data；
Described image processing module (26) connects described image group bag/unpacking module (25) and the memory control module
(27), for view data after described image data are carried out with the intercepting and the correct operation to obtain single treatment；
The memory control module (27) for data reading and storage；
Described image output mode adjusting module (28) connection described image processing module (26) and the memory control module
(27), for being communicated with described image processing module (26) and the rearrangement is carried out to view data after the single treatment
And the gray scale extraction operation to obtain after-treatment after view data；And
Described image output driving module (29a) and the display data output module (29b) connect respectively described image output
Mode adjustment module (28), for producing the drive signal group and described aobvious respectively according to view data after the after-treatment
Show data group.
6. LED display control system as claimed in claim 5, it is characterised in that the scanning card (40) also includes and turns
String module, connection described image output driving module (29a) and the display data output module (29b), for by the figure
As output driving module (29a) and the drive signal group that produces respectively of the display data output module (29b) and described
Display data group is converted into serial differential signals group from parallel TTL forms.
7. LED display control system as claimed in claim 6, it is characterised in that described and turn a string module and send out including LVDS
Send device (29c).
8. LED display control system as claimed in claim 5, it is characterised in that described image output driving module (29a)
The drive signal group produced respectively with the display data output module (29b) and the display data group are serial differential
Signal format drive signal group and serial differential signals form display data group.
9. LED display control system as claimed in claim 5, it is characterised in that the differential signal transmits/receives module to be included
Physical layer interface chip core (21), and the physical layer interface chip core (21) is including two data transfer cores of major-minor；The number
Strengthen isolation circuit (433a), second port including first port (431a), the first signal shaping according to input/output circuitry (43)
(431b) and secondary signal shaping strengthens isolation circuit (433b), the first port (431a) and the second port (431b)
Strengthening isolation circuit (433a) and the secondary signal shaping by first signal shaping respectively strengthens isolation circuit
(433b) the physical layer interface chip core (21) is connected.
10. LED display control system as claimed in claim 5, it is characterised in that the scanning card (40) also includes arranging
Memory (30) on the first circuit board, and the memory (30) connection described image display control chip (20)
The memory control module (27)；Or described image display control chip (20) is integrated with dynamic RAM, and institute
State dynamic RAM and connect the memory control module (27).
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109413343A (en) * | 2018-10-17 | 2019-03-01 | 黄秀瑜 | A kind of LED video display system |
| CN110808004A (en) * | 2019-11-21 | 2020-02-18 | 深圳市玖润光电科技有限公司 | Control system of LED display screen and control circuit board thereof |
| WO2020041939A1 (en) * | 2018-08-27 | 2020-03-05 | 西安诺瓦电子科技有限公司 | Display control system |
| CN111028719A (en) * | 2019-12-30 | 2020-04-17 | 深圳市洲明科技股份有限公司 | Lamp panel connecting plate and LED display screen |
| CN111045630A (en) * | 2019-11-13 | 2020-04-21 | 深圳市奥拓电子股份有限公司 | Scanning card sharing method, system and storage medium |
| CN112309306A (en) * | 2020-10-19 | 2021-02-02 | 吉林师范大学 | Method for applying novel SG-LVDS interface technology to display system |
| CN112379856A (en) * | 2020-10-13 | 2021-02-19 | 北京匠数科技有限公司 | Display picture reconstruction device and method |
| CN112416276A (en) * | 2020-10-13 | 2021-02-26 | 北京匠数科技有限公司 | Display picture analysis device, system and method |
| CN112799732A (en) * | 2020-12-30 | 2021-05-14 | 深圳市捷顺科技实业股份有限公司 | Display screen display method based on plug-in and related device |
| CN113066388A (en) * | 2019-12-16 | 2021-07-02 | 西安诺瓦星云科技股份有限公司 | Expansion daughter card and system control board card assembly |
| CN114120891A (en) * | 2021-07-12 | 2022-03-01 | 重庆康佳光电技术研究院有限公司 | Panel driving framework, driving method and display device |
| CN114639336A (en) * | 2020-12-15 | 2022-06-17 | 西安钛铂锶电子科技有限公司 | Display module assembly and display box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143315A (en) * | 2014-07-02 | 2014-11-12 | 深圳雷曼光电科技股份有限公司 | Method for reducing electromagnetic interference of LED display system and LED display system |
| CN205158877U (en) * | 2015-11-10 | 2016-04-13 | 西安诺瓦电子科技有限公司 | LED display control card, LED lamp plate and LED display system |
| CN105741753A (en) * | 2016-02-03 | 2016-07-06 | 西安诺瓦电子科技有限公司 | Receiving card, LED display control and recording system and LED display control method |
| CN205487273U (en) * | 2016-02-03 | 2016-08-17 | 西安诺瓦电子科技有限公司 | Led display screen control system and scanning card |
| CN106205464A (en) * | 2015-05-06 | 2016-12-07 | 西安诺瓦电子科技有限公司 | LED lamp panel, scanning card and combinative structure, LED display control system |
-
2016
- 2016-12-26 CN CN201611219702.4A patent/CN106652893B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143315A (en) * | 2014-07-02 | 2014-11-12 | 深圳雷曼光电科技股份有限公司 | Method for reducing electromagnetic interference of LED display system and LED display system |
| CN106205464A (en) * | 2015-05-06 | 2016-12-07 | 西安诺瓦电子科技有限公司 | LED lamp panel, scanning card and combinative structure, LED display control system |
| CN205158877U (en) * | 2015-11-10 | 2016-04-13 | 西安诺瓦电子科技有限公司 | LED display control card, LED lamp plate and LED display system |
| CN105741753A (en) * | 2016-02-03 | 2016-07-06 | 西安诺瓦电子科技有限公司 | Receiving card, LED display control and recording system and LED display control method |
| CN205487273U (en) * | 2016-02-03 | 2016-08-17 | 西安诺瓦电子科技有限公司 | Led display screen control system and scanning card |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020041939A1 (en) * | 2018-08-27 | 2020-03-05 | 西安诺瓦电子科技有限公司 | Display control system |
| CN109413343B (en) * | 2018-10-17 | 2022-05-03 | 黄秀瑜 | LED video display system |
| CN109413343A (en) * | 2018-10-17 | 2019-03-01 | 黄秀瑜 | A kind of LED video display system |
| CN111045630A (en) * | 2019-11-13 | 2020-04-21 | 深圳市奥拓电子股份有限公司 | Scanning card sharing method, system and storage medium |
| CN111045630B (en) * | 2019-11-13 | 2023-10-27 | 深圳市奥拓电子股份有限公司 | Method, system and storage medium for sharing scanning card |
| CN110808004A (en) * | 2019-11-21 | 2020-02-18 | 深圳市玖润光电科技有限公司 | Control system of LED display screen and control circuit board thereof |
| CN113066388A (en) * | 2019-12-16 | 2021-07-02 | 西安诺瓦星云科技股份有限公司 | Expansion daughter card and system control board card assembly |
| CN111028719A (en) * | 2019-12-30 | 2020-04-17 | 深圳市洲明科技股份有限公司 | Lamp panel connecting plate and LED display screen |
| CN112379856A (en) * | 2020-10-13 | 2021-02-19 | 北京匠数科技有限公司 | Display picture reconstruction device and method |
| CN112416276A (en) * | 2020-10-13 | 2021-02-26 | 北京匠数科技有限公司 | Display picture analysis device, system and method |
| CN112309306A (en) * | 2020-10-19 | 2021-02-02 | 吉林师范大学 | Method for applying novel SG-LVDS interface technology to display system |
| CN114639336A (en) * | 2020-12-15 | 2022-06-17 | 西安钛铂锶电子科技有限公司 | Display module assembly and display box |
| CN114639336B (en) * | 2020-12-15 | 2024-05-07 | 西安钛铂锶电子科技有限公司 | Display module and display box |
| CN112799732A (en) * | 2020-12-30 | 2021-05-14 | 深圳市捷顺科技实业股份有限公司 | Display screen display method based on plug-in and related device |
| CN114120891A (en) * | 2021-07-12 | 2022-03-01 | 重庆康佳光电技术研究院有限公司 | Panel driving framework, driving method and display device |
| CN114120891B (en) * | 2021-07-12 | 2022-12-27 | 重庆康佳光电技术研究院有限公司 | Panel driving frame, driving method and display device |
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Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: Xi'an Nova Nebula Technology Co., Ltd. Address before: 710075 Qinfengge D District 401, Xi'an Software Park, 68 Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xian Novastar Electronic Technology Co., Ltd. |