CN208208300U - LED display control system and LED flexible display screen - Google Patents
LED display control system and LED flexible display screen Download PDFInfo
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- CN208208300U CN208208300U CN201820676669.6U CN201820676669U CN208208300U CN 208208300 U CN208208300 U CN 208208300U CN 201820676669 U CN201820676669 U CN 201820676669U CN 208208300 U CN208208300 U CN 208208300U
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Abstract
The utility model belongs to display screen control technology field, it is intended to provide a kind of LED display control system and LED flexible display screen, the control system includes decoding chip, image segmentation module and multiple matrix circuits, digital code stream is decoded into data image signal by decoding chip, then these data image signals are output in image segmentation module, complete image represented by these data image signals is first divided into multiple images subregion by image segmentation module, then the corresponding data image signal of each image region is transported to corresponding matrix circuit, the digital image signal decomposing that each matrix circuit carrys out transmission is multiple pixel number evidences, and gray-scale Control signal is generated according to the colouring information of each pixel and is shone with controlling corresponding LED pixel unit, obviously, by the cooperation of each module and using multiple squares Battle array circuit can obviously increase the load capacity of entire control system, and improve data transfer effect and speed, final dynamic visual impact are good.
Description
Technical field
The utility model belongs to display screen control technology field, is to be related to a kind of LED display control system more specifically
System and LED flexible display screen.
Background technique
Miniature LED display (referred to as micro-LED), is made of light emitting diode, and can be with self-luminous, and nothing
It need to be by backlight assembly.Compared to general LED display, traditional LED is mainly emitted on battle array by smaller mode
In column.Because the display life of miniature LED display is long, it is conducive to realize under high-resolution, and same low power condition, has more
The advantages such as big brightness, miniature LED display progress into the visual field of people and cause the attention of people.
However, such as to reach normal no sudden strain of a muscle when eye-observation because the pixel of miniature LED display is generally than comparatively dense
Bright standard, then need display screen to have higher refreshing frequency, but existing LED display control system is in refresh rate, data
Efficiency of transmission and speed etc. require to be unable to satisfy the growth requirement of miniature LED display, it is difficult to require to show more pixel,
Good dynamic visual impact is obtained in the case that display content frame frequency is higher, Dynamically Announce effect is complicated.
Utility model content
The purpose of this utility model is to provide a kind of LED display control systems, exist in the prior art to solve
Refresh rate, data laser propagation effect and the speed of LED display control system etc. do not catch up with the technology of practical development demand and ask
Topic.
In order to solve the above technical problems, the technical solution adopted in the utility model is: providing a kind of LED display control system
System, the LED display control system shine for controlling LED pixel unit in LED display, wherein LED display control
System includes
Decoding chip for digital code stream to be decoded into data image signal, and exports all digital picture letters
Number；
Image segmentation module, for receiving all data image signals from the decoding chip, by all institutes
The complete image for stating data image signal expression is divided into multiple images subregion and each described image subregion of output corresponding
Data image signal；
Matrix circuit is equipped with multiple, each matrix circuit and each described image subregion one-to-one correspondence, for that will correspond to
The digital image signal decomposing of described image subregion is multiple pixel number evidences, and according to the colouring information of each pixel
Gray-scale Control signal is generated to control the corresponding LED pixel unit and shine.
Further, the matrix circuit includes corresponding to described image in described image segmentation module for receiving
To control the luminous LED controller of the corresponding LED pixel unit, the matrix circuit further includes the data image signal in region
LED for receiving the data image signal from the correspondence LED controller to drive the corresponding LED pixel unit luminous
Driver.
Further, the matrix circuit further includes being external in the LED controller, capable of interacting with the LED controller
Data are used to improve the dma controller of the LED controller reading and writing data ability.
Further, the decoding chip includes the solution for the digital code stream to be decoded into the data image signal
Code module and the data image signal for solving the decoder module export the output module of the decoding chip.
Further, the decoding chip further includes for reading the digital code stream into the decoding chip and by institute
State the code fetch module that digital code stream is transported to the decoder module.
Further, the LED display is miniature LED display.
The purpose of this utility model additionally provides a kind of LED flexible display screen, to solve LED existing in the prior art
Flexible display screen is difficult in the case where requiring and showing that more pixel, display content frame frequency are higher, Dynamically Announce effect is complicated
The technical issues of to good dynamic visual impact.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of LED flexible display screen is provided,
The LED flexible display screen includes flexible screen body and multiple LED pixel units on the flexible screen body, and the LED flexibility is aobvious
Display screen further includes above-mentioned LED display control system.
Further, the LED pixel unit is made by red chip unit, Green Chip unit and blue chip unit
It forms.
Compared with prior art, LED display control system provided by the utility model and LED flexible display screen is beneficial
Effect is:
The LED display control system includes decoding chip, image segmentation module and multiple matrix circuits, wherein original
Digital code stream of the image data after compressed encoding first can be decoded into data image signal by decoded chip, then count these
Word picture signal is output in image segmentation module, and image segmentation module will be complete represented by the data image signal received
Image is first divided into multiple images subregion, then by the corresponding matrix electricity of the corresponding data image signal of each image region
Road, the digital image signal decomposing that each matrix circuit again carrys out transmission are multiple pixel number evidences, and according to the face of each pixel
Color information generates gray-scale Control signal and is shone with controlling corresponding LED pixel unit, it is clear that by the cooperation of each module and adopts
The load capacity that entire control system can be obviously increased with multiple matrix circuits improves whole data laser propagation effect and speed,
To can finally show higher-quality image and good dynamic visual impact.
Detailed description of the invention
To be illustrated more clearly that the technical scheme in the embodiment of the utility model, embodiment or the prior art will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the flowage structure block diagram of LED display control system in the utility model embodiment；
Fig. 2 is the structural schematic block diagram of each matrix circuit in Fig. 1；
Fig. 3 is the planar structure schematic diagram of LED flexible display screen in the utility model embodiment.
Wherein, the label in attached drawing is as follows:
10-LED flexible display screen, 11- flexible screen body, 12-LED display screen control system；
100- digital code stream；200- decoding chip, 210- code fetch module, 220- decoder module, 230- output module；300-
Image segmentation module；
400- matrix circuit, 410-LED controller, 420-DMA controller, 430-LED driver.
Specific embodiment
For technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, below
In conjunction with specific drawings and the specific embodiments, further elaborate to the utility model.Wherein, the utility model is embodied
The same or similar label indicates the same or similar element or element with the same or similar functions in the attached drawing of example.
It should be understood that ground, specific embodiment disclosed below are intended for explaining the utility model, it is not used to limit originally practical new
Type.
It should be noted that when element is referred to as " being fixed on " or " being installed on " or " being set to " or " being connected to " another element
On, it, which can be, is directly or indirectly located on another element.For example, when an element referred to as " is connected to " another yuan
On part, it, which can be, is directly or indirectly connected on another element.Term " length ", " width ", "upper", "lower", " left side ",
The orientation or position of the instructions such as " right side ", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outside" are based on attached drawing
Shown in orientation or position, be only easy for describing, should not be understood as the limitation to the technical program.
In addition, term " first ", " second " only for ease of description, be not understood to indicate or imply relative importance or
Person implicitly indicates the quantity of technical characteristic.The meaning of " plurality " is two or more, unless otherwise specifically defined.
In short, for the ordinary skill in the art, can understand the concrete meaning of above-mentioned term as the case may be.
It is detailed to a kind of realization progress of LED display control system provided by the utility model below in conjunction with attached drawing 1 and Fig. 2
Carefully describe.
It should be noted that the LED display control system, is mainly used for controlling LED pixel unit in LED display and shines
(not shown), wherein " LED display " described here refers mainly to miniature LED display, also can refer to certainly other suitable aobvious
Display screen.
As shown in Figure 1, the LED display control system 12, including decoding chip 200, image segmentation module 300 and matrix
Circuit 400.Wherein, decoding chip 200 are mainly used for digital code stream 100 being decoded into data image signal, and export all
Data image signal.It should be noted that " digital code stream " described here refers mainly to raw image data, such as film data warp
The data flow formed after overcompression coding.
In addition, image segmentation module 300, is mainly used for receiving all data image signals from decoding chip 200, and
The complete image that all data image signals indicate is divided into multiple images subregion, it is corresponding then to export each image region
Data image signal.
It should be noted that after segmentation the corresponding data image signal of each image region refer mainly to the brightness of image, gray scale,
The digital signals such as coloration.It is to be appreciated that segmented image, which is also implied that, is divided into several groups for all data image signals
Data image signal, wherein each image region corresponds to a small group data image signal.
Again as shown in Figure 1, matrix circuit 400, is equipped with multiple, each matrix circuit 400 and each image region one-to-one correspondence.
Wherein, each matrix circuit 400 is mainly used for dividing the image into the digital picture letter that correspondence image subregion transmission in module 300 comes
Multiple pixel number evidences number are decomposed into, and gray-scale Control signal is generated to control corresponding LED according to the colouring information of each pixel
Pixel unit shines.
In this way, the combination by each module is coordinated, and the quantity by increasing matrix circuit 400, make multiple matrixes electric
Road 400 is synchronous to carry out, and can greatly increase the load capacity of LED pixel unit in entire control system, also can be greatly
Its refresh rate is improved, certainly, can also improve data laser propagation effect and speed in entire control system, thus finally aobvious in LED
Higher-quality image can be shown in display screen, and shows better dynamic visual impact.
Further, as a kind of specific embodiment of LED display control system provided by the utility model, such as scheme
Shown in 1 and Fig. 2, matrix circuit 400 includes LED controller 410 and LED driver 430.Wherein, LED controller 410 is mainly used
In the data image signal for receiving the correspondence image subregion in image segmentation module 300, to control corresponding LED pixel unit
It shines.Accordingly, LED driver 430 is mainly used for receiving the data image signal from corresponding LED controller 410 to drive
Corresponding LED pixel unit shines, in this way, the image information that digital code stream 100 indicates can be finally shown in the form of images
On LED display.
Further, as a kind of specific embodiment of LED display control system provided by the utility model, such as scheme
Shown in 1 and Fig. 2, to improve 410 reading and writing data ability of LED controller, matrix circuit 400 further includes DMA (full name in English Direct
Memory Access) controller.Wherein, which is external in LED controller 410, and can be with LED controller 410
Interaction data.Obviously, as shown in Fig. 2, the LED is shown by combining dma controller 420 and LED controller 410
The data read-write efficiency of screen control system can be largely increased, and because in entire control system data transfer count circulation it is main
It is realized by the internal hardware of dma controller 420, thus, the software that cost saved the control system is counted, compares, is jumped
The time turned, and then the speed of data transmission and efficiency can be increased dramatically.
Further, as a kind of specific embodiment of LED display control system provided by the utility model, such as scheme
Shown in 1, decoding chip 200 includes decoder module 220 and output module 230.Wherein, be mainly used for will be digital for decoder module 220
Code stream 100 is decoded into data image signal；Accordingly, output module 230 is mainly used for the digitized map for solving decoder module 220
Decoding chip 200 is exported as signal progress error code detection and processing, and by the data image signal finally confirmed, to send figure to
As segmentation module 300.
Further, as a kind of specific embodiment of LED display control system provided by the utility model, such as scheme
Shown in 1, decoding chip 200 further includes code fetch module 210.Wherein, which is mainly used for reading digital code stream 100
It takes into decoding chip 200, and digital code stream 100 is transported to decoder module 220.
By upper it is to be appreciated that the working principle of the LED display control system is as follows:
(1) raw image data forms digital code stream 100 after compressed encoding；
(2) in decoding chip 200, digital code stream 100 first is read by code fetch module 210, and by digital code stream
100 are conveyed to decoder module 220, and then, these digital code streams 100 are decoded into data image signal by decoder module 220, most
Afterwards, output module 230 carries out error code detection and processing, and the number that will finally confirm to these data image signals decoded
Picture signal exports decoding chip 200；
(3) image segmentation module 300 receives all data image signals for exporting from output module 230, and by these
Complete image represented by data image signal is divided into multiple images subregion, then, by the corresponding number of each image region
Word picture signal is conveyed to corresponding matrix circuit 400；
(4) in each matrix circuit 400, LED controller 410 receives the digital picture letter of correspondence image subregion
Number, and LED driver 430 is controlled to drive corresponding LED pixel unit to shine, wherein the mechanism of LED controller 410
In, by dma controller 420 whole assistance.
Obviously, by the synchronous effect of multiple matrix circuits 400, and in each matrix circuit 400, each LED control
Device 410 processed has an external dma controller 420 to assist to carry out data transmission and data processing, so that LED is shown
Shield refreshing frequency with higher, is able to satisfy the growth requirement of miniature LED display, and requiring to show more pixel, display
Can also have good dynamic visual impact in the case that content frame frequency is higher, Dynamically Announce effect is complicated.
The utility model also provides a kind of LED flexible display screen 10, as shown in figure 3, the LED flexible display screen 10 includes soft
Property screen body 11 and multiple LED pixel unit (not shown) on flexible screen body 11, wherein specifically in the present embodiment, LED
Pixel unit is made by red chip unit, Green Chip unit and blue chip unit.In addition, the LED Flexible Displays
Screen 10 further includes above-mentioned LED display control system 12, in this way, the LED flexible display screen 10 is also by refreshing with higher
Frequency and good dynamic visual impact.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model.For this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (8)
1.LED display screen control system, the LED display control system are sent out for controlling LED pixel unit in LED display
Light, which is characterized in that the LED display control system includes
Decoding chip for digital code stream to be decoded into data image signal, and exports all data image signals；
Image segmentation module, for receiving all data image signals from the decoding chip, by all numbers
The complete image that word picture signal indicates is divided into multiple images subregion and the corresponding number of each described image subregion of output
Word picture signal；
Matrix circuit is equipped with multiple, each matrix circuit and each described image subregion one-to-one correspondence, described for that will correspond to
The digital image signal decomposing of image region is multiple pixel number evidences, and is generated according to the colouring information of each pixel
Gray-scale Control signal is shone with controlling the corresponding LED pixel unit.
2. LED display control system according to claim 1, which is characterized in that the matrix circuit includes for connecing
It receives and corresponds to the data image signal of described image subregion in described image segmentation module to control the corresponding LED pixel
The luminous LED controller of unit, the matrix circuit further includes for receiving the digital picture from the correspondence LED controller
LED driver of the signal to drive the corresponding LED pixel unit luminous.
3. LED display control system according to claim 2, which is characterized in that the matrix circuit further includes external
In the LED controller, can be used to improve the LED controller reading and writing data ability with the LED controller interaction data
Dma controller.
4. LED display control system according to claim 1, which is characterized in that the decoding chip includes for inciting somebody to action
The digital code stream is decoded into the decoder module of the data image signal and the number for solving the decoder module
Word picture signal exports the output module of the decoding chip.
5. LED display control system according to claim 4, which is characterized in that the decoding chip further includes being used for
The digital code stream is read to the code fetch module that the decoder module is transported into the decoding chip and by the digital code stream.
6. LED display control system according to any one of claims 1 to 5, which is characterized in that the LED display
For miniature LED display.
7.LED flexible display screen, the LED flexible display screen include flexible screen body and multiple on the flexible screen body
LED pixel unit, which is characterized in that the LED flexible display screen further includes LED according to any one of claims 1 to 6
Display screen control system.
8. LED flexible display screen according to claim 7, which is characterized in that the LED pixel unit is by red chip list
Member, Green Chip unit and blue chip unit are made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820676669.6U CN208208300U (en) | 2018-05-08 | 2018-05-08 | LED display control system and LED flexible display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820676669.6U CN208208300U (en) | 2018-05-08 | 2018-05-08 | LED display control system and LED flexible display screen |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110673816A (en) * | 2019-10-08 | 2020-01-10 | 深圳市迪太科技有限公司 | Low-cost method for refreshing display screen by using video memory |
| CN111212249A (en) * | 2020-01-10 | 2020-05-29 | 深圳康佳电子科技有限公司 | Micro LED display screen control system and method and television |
| CN111354299A (en) * | 2018-12-29 | 2020-06-30 | Tcl科技集团股份有限公司 | Design method and device of LED light-emitting chip and gray scale display circuit |
| CN111369938A (en) * | 2020-04-26 | 2020-07-03 | 上海年润光电科技有限公司 | Modularized LED display screen and control system thereof |
| CN111785206A (en) * | 2020-08-13 | 2020-10-16 | 大连集思特科技有限公司 | Wearable flexible transparent display system |
| CN114153409A (en) * | 2021-11-26 | 2022-03-08 | 珠海格力电器股份有限公司 | Grating operation circuit, device, display control system and display device |
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2018
- 2018-05-08 CN CN201820676669.6U patent/CN208208300U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354299A (en) * | 2018-12-29 | 2020-06-30 | Tcl科技集团股份有限公司 | Design method and device of LED light-emitting chip and gray scale display circuit |
| CN110673816A (en) * | 2019-10-08 | 2020-01-10 | 深圳市迪太科技有限公司 | Low-cost method for refreshing display screen by using video memory |
| CN110673816B (en) * | 2019-10-08 | 2022-09-09 | 深圳市迪太科技有限公司 | Low-cost method for refreshing display screen by using video memory |
| CN111212249A (en) * | 2020-01-10 | 2020-05-29 | 深圳康佳电子科技有限公司 | Micro LED display screen control system and method and television |
| CN111212249B (en) * | 2020-01-10 | 2022-10-04 | 深圳康佳电子科技有限公司 | Micro LED display screen control system and method and television |
| CN111369938A (en) * | 2020-04-26 | 2020-07-03 | 上海年润光电科技有限公司 | Modularized LED display screen and control system thereof |
| CN111785206A (en) * | 2020-08-13 | 2020-10-16 | 大连集思特科技有限公司 | Wearable flexible transparent display system |
| CN114153409A (en) * | 2021-11-26 | 2022-03-08 | 珠海格力电器股份有限公司 | Grating operation circuit, device, display control system and display device |
| CN114153409B (en) * | 2021-11-26 | 2023-12-08 | 珠海格力电器股份有限公司 | Grating operation circuit, device, display control system and display device |
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