CN109548236A - A kind of master controller of LED illumination System and its layout designs on PCB - Google Patents
A kind of master controller of LED illumination System and its layout designs on PCB Download PDFInfo
- Publication number
- CN109548236A CN109548236A CN201811477492.8A CN201811477492A CN109548236A CN 109548236 A CN109548236 A CN 109548236A CN 201811477492 A CN201811477492 A CN 201811477492A CN 109548236 A CN109548236 A CN 109548236A
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- China
- Prior art keywords
- controller
- pin
- sram memory
- led illumination
- illumination system
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Control Of El Displays (AREA)
Abstract
The present invention provides a kind of master controllers of LED illumination System, so that the use scope of lamps and lanterns is from the mansion inner-outer wall that LED display is expanded to arbitrary shape, it has excellent performance, application scenarios are extensive, including controller, it further include being electricly connected with controller: decoding chip, SRAM memory, network card chip, network transformer, it is input in controller after the decoded chip decoding of vision signal, controller stores the video image data in video into SRAM memory, it is synchronous to read the video image data being stored in SRAM memory, and video image data is forwarded by network card chip, data-signal is sent to network transformer by network card chip in a manner of differential signal, network transformer amplifies for signal and insulation blocking, simultaneously, the present invention also provides the LED illumination Systems Layout designs of the master controller on PCB.
Description
Technical field
The present invention relates to lighting control system technical field, in particular to the master controller of a kind of LED illumination System and its
Layout designs on PCB.
Background technique
The lighting in city is in full flourish at home, and building, landscape are designed by the artistic lighting of light, carrys out table
Up to building or landscape night will to people transmit emotion or be brand positioning, advertising, different is photochromic, different
Lighting Design performance, all embody a kind of Image designing of building, owner's unit or government unit；It is derived from designer couple
In the control of aesthetics, beauty of architecture is on the one hand understood, on the one hand known light beauty, is good at and comes exhibition building beauty and landscape with light
Beauty shows its beauty that daylight can not be moulded at texture and the daytime at night, but moulding for these beauty is all be unable to do without
The development and progress of modern lighting technology, while also to LED illumination System, more stringent requirements are proposed, existing LED illumination system
System mostly can only project video on the LED of type of display, and performance is no longer satisfied current user demand.
Summary of the invention
The present invention is intended to provide a kind of master controller of LED illumination System to be to solve the above problems, while the present invention also mentions
Layout designs of the master controller of the LED illumination System on PCB are supplied.
Its technical solution is such that a kind of master controller of LED illumination System, it is characterised in that: including controller, also
Including what is electricly connected with the controller:
Decoding chip, the coding for the video to input are decoded, output video image data；
SRAM memory, for storing the video image data of the decoding chip input；
Network card chip is used for transmission video image data；
Network transformer couples and is isolated for signal level external disturbance, realizes impedance matching；
Vision signal is input in the controller after decoding chip decoding, will be in video in the controller
Video image data is stored into the SRAM memory, while reading the video image number being stored in the SRAM memory
According to, and video image data is forwarded by the network card chip, the network card chip is by video image data with differential signal
Mode is sent to network transformer, and the sub-controller of LED illumination System is output to through the network transformer.
Further, the decoding chip uses AD9882, and the controller is FPGA, uses XILINX company, the U.S.
SPATAN6 family chip；The network card chip uses RTL-8208C, and the network card chip is using hundred Broadcom of RMII
Agreement, the network transformer use PM4G.
Further, the decoding chip is connected by the port PC104 with the controller, and the decoding chip passes through
DVI interface input video；
Further, the controller uses the crystal oscillator of 50MHZ, and the crystal oscillator of the 50MHZ is distributed by the controller
Make the controller synchronous with the clock of the network card chip to the crystal oscillator of the network card chip 25MHZ.
Further, the SRAM memory includes that the first SRAM memory, the second SRAM memory and the 3rd SRAM are deposited
Reservoir, first SRAM memory, second SRAM memory and the third SRAM memory respectively include two panels
SRAM enables the SRAM memory to synchronize reading data while storing data for carrying out ping-pong operation.
Further, the master controller is also connected with EEPROM reservoir, is used for data backup, the master controller is also
It is connected with FLASH memory, for carrying out initial configuration to the controller, initial configuration mode uses SPI mode.
Further, the controller is connected with key and LED light, for judging master controller work by the light on and off of LED
Make state.
Further, the controller connection is there are four test pin, the subsequent upgrade for master controller.
Further, the controller is connected with JTAG downloader interface, for being programmed to the controller.
Further, the PC104 interface accesses the clock line of 65MHZ inside the controller, global reset signal line
Access global clock I/O port.
A kind of layout designs of above-mentioned master controller on PCB, it is characterised in that: the decoding of the LED illumination System
Chip, the port PC104, controller, network card chip, network transformer are integrated in one piece of PCB circuit board, in the PCB circuit
On plate, each pin that the port PC104 is connected with the controller is reached at a distance from the corresponding pin of the controller
It is equal.
Further, the pin that the port PC104 is connected with controller includes 24 data pins of RGB, horizontal
The pin of synchronization signal hsyn, the pin of vertical synchronizing signal vsyn, the pin of data valid signal DE, synchronizing clock signals
The pin of dclk, wherein the pin position number of the corresponding controller of corresponding 8 data pins of red R be E6, E7, E8, D8, B8,
C12, F12, G11, the pin position number of the corresponding controller of corresponding 8 data pins of green G is C13, A14, B14, A15,
C14, A16, B16, C15, the pin position number of the corresponding controller of corresponding 8 data pins of blue B is D12, E12, D14,
E13, B4, A4, C5, A5, the pin position number of the corresponding controller of horizontal synchronizing signal hsyn are C10, vertical synchronizing signal vsyn
The pin position number of corresponding controller is D11, and the pin position number of the corresponding controller of synchronizing clock signals dclk is E11, data
Useful signal DE is D9 to the pin position number of controller.
The master controller of LED illumination System of the invention, after vision signal enters decoding chip by DVI interface, decoding
Chip sends video image data to controller by PC104 bus parallel, and then controller is using 50,000,000 crystal oscillators to receiving
Image data stored, while reading the video image data that is stored in SRAM memory, and pass through network card chip and turn
Video image data is sent out, video image data is sent to network transformer by network card chip in a manner of differential signal, through network
Transformer is output to the sub-controller of LED illumination System, and network transformer is for preventing the maloperations such as electrostatic from burning out network card chip；
Computer is connected using DVI line, the video on computer can be exported and switch to grab, can interpreted, adjustable number of colours
According to then being corresponded in LED lamp by sub-controller, that is to say, that the master controller visible video of the LED illumination System is believed
It number is output on the LED of any non-display type, can be a pixel, can also be any pixel, it might even be possible to be
On arbitrary surface screen, abnormally-structured body, so that lamps and lanterns use scope is expanded to inside and outside the mansion of arbitrary shape from LED display
It on wall, has excellent performance, application scenarios are extensive.
The master controller of LED illumination System of the invention is in the layout designs on PCB, by the decoding of LED illumination System
Chip, the port PC104, controller, network card chip, network transformer are integrated in one piece of PCB circuit board, in PCB circuit board,
Each pin that the port PC104 is connected with controller reaches being equidistant for the corresponding pin of made device, can solve because
The parallel 27bit data of sampled signal output of decoding chip are asynchronous to controller timing, have the time error of 3ns-5ns, lead
Cause timing unstable, so that the problem of causing the video data of storage to flash, guarantees that line loss and transmission time are mutually synchronized,
Guarantee that high speed signal is synchronous.
Detailed description of the invention
Fig. 1 is the system block diagram of the master controller of LED illumination System of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
See that Fig. 1, a kind of master controller of LED illumination System of the invention, including controller 1, controller 1 are FPGA,
Further include being electricly connected with controller 1 using the SPATAN6 family chip of XILINX company, the U.S.:
Decoding chip 2, decoding chip 2 use AD9882, and decoding chip 2 is connected by the port PC104 3 with controller 1,
Decoding chip 2 is by DVI interface input video, and the coding for the video to input is decoded, output video image data；
SRAM memory 4, for storing the video image data of the input of decoding chip 2；
Network card chip 5, network card chip 5 use RTL-8208C, and network card chip 5 is used using hundred Broadcom agreement of RMII
In transmitting video image data；
Network transformer 6, network transformer 6 use PM4G, and external disturbance is coupled and be isolated for signal level, realizes resistance
Anti- matching；
The decoded chip 2 of vision signal is input in controller 1 after decoding, by the video image in video in controller 1
Data are stored into SRAM memory 4, while reading the video image data being stored in SRAM memory 4, and pass through network interface card
Chip 5 forwards video image data, and video image data is sent to network transformer by network card chip 5 in a manner of differential signal
6, the sub-controller of LED illumination System is output to through network transformer 6.
Specifically, SRAM memory 4 includes the first SRAM memory, the second SRAM memory and third SRAM memory,
First SRAM memory, the second SRAM memory and third SRAM memory respectively include two panels SRAM, for carrying out table tennis behaviour
Make, SRAM memory 4 is enabled to synchronize reading data, two panels SRAM memory pingpang handoff time while storing data
Less than 20 nanoseconds, strict guarantee video on live.
Specifically, crystal oscillator 7 of the controller 1 using 50MHZ, the crystal oscillator 7 of 50MHZ distributes to network card chip by controller 1
The crystal oscillator 8 of 25MHZ makes controller 1 synchronous with the clock of network card chip 5, control controller 1, network card chip 5 and SRAM storage
Any time error between the two of device 4, avoiding controller 1, network card chip 5 from causing using two different crystal oscillators, there are phase differences
There is unstable state, ensure that crystal oscillator stablizes output.
Specifically, master controller is also connected with EEPROM reservoir 14, it is used for data backup, master controller to be also connected with
FLASH memory 9, for carrying out initial configuration to controller 1, initial configuration mode uses SPI mode.
Specifically, controller 1 is connected with key 10 and LED light 11, judge that master controller works for the light on and off by LED
State.
Specifically, test pin 12 there are four the connections of controller 1, the subsequent upgrade for master controller.
Specifically, controller 1 is connected with JTAG downloader interface 13, for being programmed to controller 1.
Specifically, the clock line of 3 access controller of PC104 interface, 1 inside 65MHZ, the access of global reset signal line is global
Clock I/O port.
In addition, the master controller of LED illumination System of the invention is powered by power supply module 15.
The master controller of LED illumination System of the invention, after vision signal enters decoding chip by DVI interface, decoding
Chip sends video image data to controller by PC104 bus parallel, and then controller is using 50,000,000 crystal oscillators to receiving
Image data stored, while reading the video image data that is stored in SRAM memory, and pass through network card chip and turn
Video image data is sent out, video image data is sent to network transformer by network card chip in a manner of differential signal, through network
Transformer is output to the sub-controller of LED illumination System, and network transformer is for preventing the maloperations such as electrostatic from burning out network card chip；
Computer is connected using DVI line, the video on computer can be exported and switch to grab, can interpreted, adjustable number of colours
According to then being corresponded in LED lamp by sub-controller, that is to say, that the master controller visible video of the LED illumination System is believed
It number is output on the LED of any non-display type, can be a pixel, can also be any pixel, it might even be possible to be
On arbitrary surface screen, abnormally-structured body, so that lamps and lanterns use scope is expanded to inside and outside the mansion of arbitrary shape from LED display
It on wall, has excellent performance, application scenarios are extensive.
The master controller of LED illumination System of the invention is in the layout designs on PCB, by the decoding of LED illumination System
Chip, the port PC104, controller, network card chip, network transformer are integrated in one piece of PCB circuit board, in PCB circuit board,
Each pin that the port PC104 is connected with controller reaches being equidistant for the corresponding pin of made device, can solve because
The parallel 27bit data of sampled signal output of decoding chip are asynchronous to controller timing, have the time error of 3-5ns, cause
Timing is unstable, so that the problem of causing the video data of storage to flash, guarantees that line loss and transmission time are mutually synchronized, protect
It is synchronous to demonstrate,prove high speed signal.
Wherein, the pin that the port PC104 is connected with controller includes 24 data pins of RGB, horizontal synchronizing signal
The pin of hsyn, the pin of vertical synchronizing signal vsyn, the pin of data valid signal DE, synchronizing clock signals dclk's draws
Foot, wherein the pin position number of the corresponding controller of corresponding 8 data pins of red R be E6, E7, E8, D8, B8, C12, F12,
The pin position number of the corresponding controller of corresponding 8 data pins of G11, green G is C13, A14, B14, A15, C14, A16,
B16, C15, the pin position number of the corresponding controller of corresponding 8 data pins of blue B is D12, E12, D14, E13, B4, A4,
C5, A5, the pin position number of the corresponding controller of horizontal synchronizing signal hsyn are C10, the corresponding control of vertical synchronizing signal vsyn
The pin position number of device is D11, and the pin position number of the corresponding controller of synchronizing clock signals dclk is E11, data valid signal DE
Pin position number to controller is D9.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of master controller of LED illumination System, it is characterised in that: further include automatically controlled with the controller including controller
Connection:
Decoding chip, the coding for the video to input are decoded, output video image data；
SRAM memory, for storing the video image data of the decoding chip input；
Network card chip is used for transmission video image data；
Network transformer, for signal amplification and insulation blocking；
Vision signal is input in the controller after decoding chip decoding, by the video in video in the controller
Image data is stored into the SRAM memory, while reading the video image data being stored in the SRAM memory,
And video image data is forwarded by the network card chip, the network card chip is by video image data in a manner of differential signal
It is sent to network transformer, the sub-controller of LED illumination System is output to through the network transformer.
2. a kind of master controller of LED illumination System according to claim 1, it is characterised in that: the decoding chip is adopted
With AD9882, the controller is FPGA, uses the SPATAN6 family chip of XILINX company, the U.S.；The network card chip
Using RTL-8208C, the network card chip uses PM4G using hundred Broadcom agreement of RMII, the network transformer.
3. a kind of master controller of LED illumination System according to claim 2, it is characterised in that: the decoding chip is logical
It crosses the port PC104 to be connected with the controller, the decoding chip passes through DVI interface input video.
4. a kind of master controller of LED illumination System according to claim 2, it is characterised in that: the controller uses
The crystal oscillator of the crystal oscillator of 50MHZ, the 50MHZ makes institute by the crystal oscillator that the controller distributes to the network card chip 25MHZ
It is synchronous with the clock of the network card chip to state controller.
5. a kind of master controller of LED illumination System according to claim 2, it is characterised in that: the SRAM memory
Including the first SRAM memory, the second SRAM memory and third SRAM memory, first SRAM memory, described second
SRAM memory and the third SRAM memory respectively include two panels SRAM, for carrying out ping-pong operation, so that the SRAM
Memory can synchronize reading data while storing data.
6. a kind of master controller of LED illumination System according to claim 2, it is characterised in that: the master controller is also
It is connected with EEPROM reservoir, is used for data backup, the master controller is also connected with FLASH memory, for the control
Device processed carries out initial configuration, and initial configuration mode uses SPI mode.
7. a kind of master controller of LED illumination System according to claim 2, it is characterised in that: the controller connection
There are key and LED light, for judging master controller working condition by the light on and off of LED；There are four test for the controller connection
Pin, the subsequent upgrade for master controller；The controller is connected with JTAG downloader interface, for the controller into
Row programming.
8. a kind of master controller of LED illumination System according to claim 2, it is characterised in that: PC104 interface accesses institute
The clock line of 65MHZ inside controller is stated, global reset signal line accesses global clock I/O port.
9. a kind of layout designs of described in any item master controllers of claim 3-8 on PCB, it is characterised in that: the LED
Decoding chip, the port PC104, controller, network card chip, the network transformer of lighting system are integrated in one piece of PCB circuit board,
In the PCB circuit board, each pin that the port PC104 is connected with the controller reaches pair of the controller
Answer being equidistant for pin.
10. layout designs of the master controller according to claim 9 on PCB, it is characterised in that: the port PC104
The pin being connected with controller includes 24 data pins of RGB, the pin of horizontal synchronizing signal hsyn, vertical synchronizing signal
The pin of vsyn, the pin of data valid signal DE, the pin of synchronizing clock signals dclk, wherein corresponding 8 data of red R
The pin position number of the corresponding controller of pin is E6, E7, E8, D8, B8, C12, F12, G11, corresponding 8 data pins of green G
The pin position number of corresponding controller is C13, A14, B14, A15, C14, A16, B16, C15, and corresponding 8 data of blue B are drawn
The pin position number of the corresponding controller of foot is D12, E12, D14, E13, B4, A4, C5, A5, and horizontal synchronizing signal hsyn is corresponding
The pin position number of controller is C10, and the pin position number of the corresponding controller of vertical synchronizing signal vsyn is D11, synchronised clock letter
The pin position number of number corresponding controller of dclk is E11, and data valid signal DE is D9 to the pin position number of controller.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477492.8A CN109548236B (en) | 2018-12-05 | 2018-12-05 | Main controller of LED lighting system and layout design thereof on PCB |
| PCT/CN2019/117163 WO2020114206A1 (en) | 2018-12-05 | 2019-11-11 | Master controller for led lighting system, and design for layout of same on pcb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477492.8A CN109548236B (en) | 2018-12-05 | 2018-12-05 | Main controller of LED lighting system and layout design thereof on PCB |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109548236A true CN109548236A (en) | 2019-03-29 |
| CN109548236B CN109548236B (en) | 2021-04-13 |
Family
ID=65852829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811477492.8A Active CN109548236B (en) | 2018-12-05 | 2018-12-05 | Main controller of LED lighting system and layout design thereof on PCB |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109548236B (en) |
| WO (1) | WO2020114206A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114206A1 (en) * | 2018-12-05 | 2020-06-11 | 大峡谷照明系统（苏州）股份有限公司 | Master controller for led lighting system, and design for layout of same on pcb |
| CN112967666A (en) * | 2021-02-24 | 2021-06-15 | 南京磊积科技有限公司 | LED display screen control device and control method capable of realizing random pixel arrangement |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101426316A (en) * | 2008-12-05 | 2009-05-06 | 华南理工大学 | Irregular LED array displaying message frame sending controller and method |
| CN201234381Y (en) * | 2008-07-31 | 2009-05-06 | 华南理工大学 | Lamp decorative video processing system based on PCI bus |
| CN103686186A (en) * | 2013-12-27 | 2014-03-26 | 龙迅半导体科技(合肥)有限公司 | Data transmission platform |
| CN104658486A (en) * | 2015-03-25 | 2015-05-27 | 何书专 | High-compatibility LED display screen controller |
| CN105261328A (en) * | 2015-11-20 | 2016-01-20 | 青岛中科软件股份有限公司 | ARM and FPGA-based LED display screen control system |
| CN206260018U (en) * | 2016-12-06 | 2017-06-16 | 山东高云半导体科技有限公司 | A kind of LED reception card hardware circuit platform based on domestic fpga chip |
| CN207938293U (en) * | 2018-03-19 | 2018-10-02 | 南京信息工程大学 | A kind of all-colour LED array drive device based on FPGA |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070171158A1 (en) * | 2006-01-22 | 2007-07-26 | Shalabh Kumar | Low power led-based marquee systems |
| CN109548236B (en) * | 2018-12-05 | 2021-04-13 | 大峡谷照明系统（苏州）股份有限公司 | Main controller of LED lighting system and layout design thereof on PCB |
-
2018
- 2018-12-05 CN CN201811477492.8A patent/CN109548236B/en active Active
-
2019
- 2019-11-11 WO PCT/CN2019/117163 patent/WO2020114206A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234381Y (en) * | 2008-07-31 | 2009-05-06 | 华南理工大学 | Lamp decorative video processing system based on PCI bus |
| CN101426316A (en) * | 2008-12-05 | 2009-05-06 | 华南理工大学 | Irregular LED array displaying message frame sending controller and method |
| CN103686186A (en) * | 2013-12-27 | 2014-03-26 | 龙迅半导体科技(合肥)有限公司 | Data transmission platform |
| CN104658486A (en) * | 2015-03-25 | 2015-05-27 | 何书专 | High-compatibility LED display screen controller |
| CN105261328A (en) * | 2015-11-20 | 2016-01-20 | 青岛中科软件股份有限公司 | ARM and FPGA-based LED display screen control system |
| CN206260018U (en) * | 2016-12-06 | 2017-06-16 | 山东高云半导体科技有限公司 | A kind of LED reception card hardware circuit platform based on domestic fpga chip |
| CN207938293U (en) * | 2018-03-19 | 2018-10-02 | 南京信息工程大学 | A kind of all-colour LED array drive device based on FPGA |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114206A1 (en) * | 2018-12-05 | 2020-06-11 | 大峡谷照明系统（苏州）股份有限公司 | Master controller for led lighting system, and design for layout of same on pcb |
| CN112967666A (en) * | 2021-02-24 | 2021-06-15 | 南京磊积科技有限公司 | LED display screen control device and control method capable of realizing random pixel arrangement |
| CN112967666B (en) * | 2021-02-24 | 2022-07-15 | 南京磊积科技有限公司 | LED display screen control device and control method capable of realizing random pixel arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109548236B (en) | 2021-04-13 |
| WO2020114206A1 (en) | 2020-06-11 |
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Address after: 215211 north of Linhu Avenue, FenHu high tech Industrial Development Zone, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Grand Canyon Lighting System (Suzhou) Co.,Ltd. Address before: 215211 north of Linhu Avenue, FenHu high tech Industrial Development Zone, Wujiang District, Suzhou City, Jiangsu Province Patentee before: STRONGLED LIGHTING SYSTEMS (SUZHOU) Co.,Ltd. |