2014年4月25日星期五

LED VIDEO DISPLAY CONTROL SYSTEM BRANDS


LED VIDEO DISPLAY CONTROL SYSTEM BRANDS


LINSN         灵星雨科技              http://www.linsn.com/
 ZDEC,       北京中庆微数字设备开发有限公司               www.zdec.com
 Dbstar       德普达

NOVASTAR     西安诺瓦             www.novastar-led.com
LED显示屏同步控制系统、LED显示屏异步控制系统、LED显示屏逐点校正系统、云计算系统
COLORLIGHT   卡莱特  www.lednets.com

灵信科技

 摩西尔



LED控制卡|LED控制器|LED控制系统|LED控制软件|led显示屏

led显示屏控制领域,提供led控制卡、led显示屏控制器以及led控制软件等整套led显示屏控制系统

提升LED显示效果,改进LED施工和维护,拓展LED应用领域,


LED full color display, LED screen, LED video  billboard, LED RGB signs, LED video wall, LED panel, LED banner, LED curtain, LED mesh, LED strip, LED grid board
APPLICATION

Rental LED full color display, LED screen, LED video  billboard, LED RGB signs, LED video wall, LED panel, LED banner, LED curtain, LED mesh, LED strip, LED grid board
Outdoor Advertising LED full color display, LED screen, LED video  billboard, LED RGB signs, LED video wall, LED panel, LED banner, LED curtain, LED mesh, LED strip, LED grid board
Traffic LED full color display, LED screen, LED video  billboard, LED RGB signs, LED video wall, LED panel, LED banner, LED curtain, LED mesh, LED strip, LED grid board
Sports LED full color display, LED screen, LED video  billboard, LED RGB signs, LED video wall, LED panel, LED banner, LED curtain, LED mesh, LED strip, LED grid board
Indoor surveillance LED full color display, LED screen, LED video  billboard, LED RGB signs, LED video wall, LED panel, LED banner, LED curtain, LED mesh, LED strip, LED grid board, electronic displays, electronic signs

LED video screen calibration system

LED video screen calibration system
LED display Brightness / Color uniformity  calibration

Brightness / Color uniformity is of the most important factors that affect the image quality of a full color LED display. Because of the limitations of the manufacturing process, including system structure design, LED lights selection, electronic components welting, system cooling, LED brightness decaying and many others, LED displays suffer the brightness / color uniformity loss, which is also the most serious problem of this field.

Facing this fact, Nova pixel level calibration system does not intervene the manufacturing processing of a LED display to reduce its brightness / color uniformity. Instead, it performs brightness / color adjustment to the display after it has been completely produced. By adjusting the brightness / color of each LED light according to the software analytical results from the measured brightness / color values of the LED lights, Nova pixel level calibration system can help the LED display acquiring perfect uniformity.




Fig.1 The LED display effects comparison before and after calibration


NovaCLB is applicable for the following two occasions:

1)Factory single cabinet pixel level calibration (Factory calibration). Correct each cabinet on the production line to ensure good brightness / color uniformity of the cabinets when produced.
2)Field LED display pixel level calibration (Full-screen calibration). Perform calibration for a LED display at where it locates to improve its brightness / color uniformity.

Factory calibration is more efficient and lower in cost than Full-screen calibration. But for cabinets of which the LED lights optical axis directions consistency is not well managed, results of factory calibration will not be as good as that of filed calibration. When doing factory calibration, the matching NovaCLB-Cabinet 2012 is needed.

Full-screen calibration requires engineers to be presence and Full-screen installation of calibration instruments. And what’s more, Full-screen calibration can only be performed only at night when it’s dark. Despite its complexity and low efficiency (compared with factory calibration), Full-screen calibration can greatly improve the brightness / color uniformity of a LED display and thus results in amazing image quality of the display. When doing Full-screen calibration, the matching NovaCLB-Screen 2012 is needed.


Core Advantages of NovaCLB-Screen


1)Camera calibration technology enabling accurate brightness / color measurement;


2)Precise calibration coefficients up to 16bits resulting in outstanding calibration performance with brightness variation less than 1% and color variation less than 0.003;

3)Be capable of eliminating color diversity of LED lights from different manufacturing batches;

4)Be capable of eliminating brightness / color diversity between subareas or cabinets;

5)Arc shape and irregular shape LED display calibration supported;


6)Oblique cabinet calibration on production lines supported;


7)Supporting automatic calibration for the replaced module;


8)Perfect compatible with LED control systems;


9)Specific calibration algorithm enabling perfect calibration for low gray level range;


10)Close loop intelligent calibration resulting in easy and high efficiency calibration. One LED display, one person; 25 minutes, 600K pixels!


11)No extra power supply required.


System structure




Fig.2 system structure

LED VIDEO Display Cluster Management Program


LED VIDEO Display Cluster Management Program





As LED displays get widely used in various sectors such as advertising, stage, traffic and sports, display operators have their scope of business expanded rapidly from city operation to national, even international operation. The original media release means are far from meeting the needs of business. On the one hand, the resolution of every display is different, so is the content played during different

period of time. On the other, displays at different places may encounter incalculable failures.

In view of the problems above, the Nova team, with the help of its unique creative concept and strong research and development strength, released an optimum and most practical cluster broadcast control management program, which, a multimedia remote

centralized release and control software based on broadband Internet, provides safe, reliable and easy-to-use industry application solutions for LED display cluster control and management.





Architecture




1 Program Introduction

Nova display cluster management program can give remote release of playing scenario, monitor playing and screen status, impose remote control on screen luminance and power switch, and so on. Enjoying flexible network structure and easy installation and arrangement, the program, only by plugging the terminal display into the Internet and logging on the terminal to the Nova’s service platform via browser, can make group management of terminal displays, and achieve remote release of media and playing scenarios, monitoring of screen status, remote control of screen luminance and power switch according to applications with the help of the remote management terminal display of management center software.

Nova display cluster management program has three parts: service platform NovaCloud, management center software MC-go and terminal control software (the terminal software of Nova M3 synchronous system is MarsSite, and the asynchronous system PAD100 has built-in terminal software).

The service platform NovaCloud is the core of data interaction and data management for the whole program, providing services for fulfilling all functions. The service platform NovaCloud is deployed in high-speed backbone networks, so that adequate consideration shall be given to network security, database security and so on. In addition, according to the terminal data size, adequate acceleration servers shall be provided to balance and meet the bandwidth demands of every terminal.

MC-go, user operation software, fulfills such business functions as preparation of playing scenario, remote release and remote monitoring; the software has good user experience, meeting the user demand of managing thousand displays only by one person.

Terminal control software functions as media playing and screen status monitoring of LED display.







2 Program’s Network Architecture

The network architecture of Nova display cluster management program is as follows:









3 Configuration Requirements




1)Service Platform NovaCloud

The service platform NovaCloud is composed of Web server, database server and acceleration server cluster. In terms of safety, it must be furnished with hardware fire wall; in terms of bandwidth, it must be deployed in backbone networks. It must be ensured that every terminal has at least more than 2M bandwidth. Routine maintenance is important to guarantee uninterrupted normal service of the service platform NovaCloud. Nova has a professional service platform maintenance team.




2)Management Center Computer

Used to run MC-go software to fulfill functions such as preparation of playing scenario, remote release and remote monitoring; it needs to get access to the Internet. The bandwidth is recommended to be more than 4M.



Computer hardware configuration requirements

CPU: dual-core, above 2.4Ghz Hard disk SCSI interface, volume above 500GB

Video card: graphics card: discrete graphics, hardware 3D acceleration, video memory above 1G

Management center computer software

Operating system environment: windows XP SP3,Windows7 32bits

Installed component: Microsoft .NET Framework4.0

Management center software: MC-go




3)Terminal




a)Synchronous Terminal: Mars-Site

The terminal computer is the control computer of LED or LCD displays. Apart from guaranteeing the requirements of LED or LCD displays, it shall specifically meet the following requirements.



Terminal hardware configuration requirements

CPU: dual-core above 2.4GHz

Hard disk: above 300GB

Graphics card: discrete graphics, hardware 3D acceleration, video memory above 1G




Terminal software

Operating system environment: windows XP SP3,Windows7 32bits, 64bits;

Installed component: Microsoft .NET Framework4.0

Nova Cloud terminal master control software




b)Asynchronous Terminal

The terminal adopts NOVA asynchronous play box PBOX100. Local IP is set to automatically obtain IP; corresponding server parameters shall be set correctly.

Services

1)Program Making

a)Fix the playing date, week and period of time for the playing content to make accurate control at any period of time;

b)Support many forms of media such as video, text, shadow-picture lantern, simulation clock, digital clock, weather forecast, temperature and humidity;




2)Program release

a)Support continuous transmission on the breakpoint in uploading and downloading;



b)No need for repeated release for media existing at terminals;



c)Support immediate release and regular release;





3)Scenario Read-back




a)Read back the scenario that is playing;



b)Revise the scenario according to business requirements;






4)Play Control

a)Support terminal desktop screenshot view by date;



b)Support display webcam picture view by date





5)Emergency Intercut

a)Emergency intercut list



b)Emergence intercut text;






6)Terminal Control

a)Send commands to the terminal display, which can be set as immediate execution or regular execution; the commands include volume adjustment, zero adjustment, media cleaning, power management, terminal locking and so on;



b)Inquire the command execution results;







7)Control Management



a)Support view of terminal display hardware, including system operating mode, smoke, voltage, temperature, humidity, fan speed, monitor card, wiring, box door state; (monitor card for the red letters);




b)Support view of the state of terminal operating system, including CPU, memory, disk and so on;







8)Log Management




a)Support log view and export to excel document;




b)Simple log statistics: play times of single medium;Technology




1)Medial Release Security Guarantee



a)Make fingerprint verification for play-related documents such as program lists and media to avoid malicious tampering of playing content;




b)Interactive data communication adopts https and file communication employs ftp+ssl so as to avoid the system data being incepted by any third party;




2)Service Platform Security Guarantee




a)Assign different accounts for different administrators;




b)Delete unnecessary accounts and change default account;




c)Set log-on limit for the system account;




d)Set password for empty password users;




e)Restrict users whose UID is 0 expect root;




f)Enforce limit to default password length




g)Compulsorily set authority of key lists;




h)Compulsorily set the property of key files;






3)Network Security Guarantee

According to the particularity of web publishing, to avoid malign access and hostile attack by users, the following two solutions may be employed.




a)Firewall-Side Access Control




i.Analyze malicious IP via web’s user access log for firewall artificial shielding;




ii.SYN Flood, DDOS, Bad Cookies。Activate firewall’s own basic defense functions:




b)Server-Side Malign Access Control (Manual Control)Operation: make regular manual check for access IP address and for operation instructions to make sure whether there is malign access; if yes, shut down the IP.







4)Database Security Guarantee




a)Storage of Backup Data of Database




i.The backup data of the system are stored in the specified dedicated server.




ii.The server storing backup files has access authorities, so that only specified operation and maintenance personnel are authorized to get access to the server.




iii.When the system automatically backup the data to the specified server, the operation and maintenance personnel are responsible for checking them to make sure whether they are normally completed and verifying the availability of the backup files.




b)Security of Physical Storage of Data For the core business system, two copies of the backup data shall be made at the end of each month.








Nova Cloud is a set of software used for multimedia remote centralized publication and system centralized monitoring based on broadband internet to provide the industry application solution featured in safety, reliability, centralized management and standardization and easy extension for LED display cluster control and other display cluster systems.

Nova Cloud solution mainly includes three parts which are Nova Cloud server, integrated playback control software( MC-go), terminal software (MarsSite, PlutoSite). It can fully support Nova synchronous and asynchronous control systems.

When it is applied to the synchronous control system, it includes Nova Cloud server, MC-go, and MarsSite. The terminal is a playback control computer, to run the terminal software MarsSite. When it is applied to the asynchronous control system, it includes Nova Cloud server, MC-go, and PlutoSite. Asynchronous control card PSD100 shall be as the terminal to run the terminal software PlutoSite.

Terminal is managed by management center (MC-go), to achieve the functions such as schedule creating, publishing, monitoring, etc. Management center uploads the commands and playback information to the server, the terminal periodically downloads the commands and schedule from server and transfers the feedback information back to the server; the terminal and MC-go account must be registered on the server, and otherwise, the interaction among the three cannot be achieved.







System Features




1) Centralized release

Base on the broadband Internet architecture, support the standard HTTPS (HTTP+SSL) and FTPS(FTP+SSL) server, provide the safe and reliable high speed information release and download service, and remotely, centralizedly and standardizedly manage the media release.

2) Remote monitoring

Base on the leading Nova monitoring system, support remotely and centralizedly collecting the running parameters of display screen, intuitively and comprehensively control system operation state in real time, support alarm function for the fatal problems occur to the system, and provide efficient system maintenance business environment.

3) Layered protection

The system uses multiple security measures, covering all aspects of data storage, transmission and play and so on, so as to ensure data consistency and reliability.

The system uses the registration mode to manage the terminal access and MC-go authority, ensuring that the system access security is controlled.

4) Media management

All terminals of one user share one media library, and the system doesn’t upload repeatedly while terminals playing the same media or play schedule including the same media, which improves the media release efficiency and saves server space.

5) Easy to extend

Nova Cloud server system adopts extensive system architecture to support deployment from single server to multiple acceleration servers so as to meet the demands of different scale of cluster application from several terminals to thousands of them.

The system is easy to expand, which provides users with optimal solutions both for cost and performance, and the system will gradually increase deployment as business grows, so as to protect customers' investments.

6) Autonomous terminal

The terminal software is autonomous, and unattended.

The terminal automatically interacts with the system, automatically download schedule , automatically detects the system status and reports to the system, automatically obtains a system control command and then executes such command, feedbacks execution results to the system, without human intervention.







Program's Network Architecture

The network architecture of Nova display cluster management program is as follows:









Equipment Requirements




1)Service Platform Nova Cloud




The service platform Nova Cloud is composed of Web server, database server and acceleration server cluster. In terms of safety, it must be furnished with hardware fire wall; in terms of bandwidth, it must be deployed in backbone networks. It must be ensured that every terminal has at least more than 2M bandwidth.

Routine maintenance is important to guarantee uninterrupted normal service of the service platform Nova Cloud. Nova has a professional service platform maintenance team.




2)Management Center Computer




Used to run MC-go software to fulfill functions such as preparation of playing scenario, remote release and remote monitoring; it needs to get access to the Internet. The bandwidth is recommended to be more than 4M.

Computer hardware equipment requirements




CPU: dual-core, above 2.4Ghz




Hard disk SCSI interface, volume above 500GB

Video card: graphics card: discrete graphics, hardware 3D acceleration, video memory above 1G




Management center computer software

Operating system environment: windows XP SP3,Windows7 32bits

Installed component: Microsoft .NET Framework4.0

Management center software: MC-go







3)Terminal




a)Synchronous Terminal: Mars-Site

The terminal computer is the control computer of LED or LCD displays. Apart from guaranteeing the requirements of LED or LCD displays, it shall specifically meet the following requirements.




Terminal hardware equipment requirements

CPU: dual-core above 2.4GHz

Hard disk: above 300GB

Graphics card: discrete graphics, hardware 3D acceleration, video memory above 1G




Terminal software

Operating system environment: windows XP SP3,Windows7 32bits, 64bits;

Installed component: Microsoft .NET Framework4.0

Nova Cloud terminal master control software




b)Asynchronous Terminal

The terminal adopts NOVA asynchronous play box PBOX100. Local IP is set to automatically obtain IP; corresponding server parameters shall be set correctly.

LED显示屏集群管理方案



LED显示屏集群系统



NovaCloud是基于宽带互联网的多媒体远程集中发布和系统集中监控软件,为LED显示屏集群控制和其他显示集群系统提供安全可靠、集中管理、标准化和易于扩展的行业应用解决方案。

NovaCloud方案主要包含NovaCloud服务器、管理中心软件MC-go、终端软件(MarsSite、PlutoSite)三个部分。可全面支持诺瓦的同步和异步控制系统。


当应用于同步控制系统时包括NovaCloud服务器、MC-go、MarsSite 。终端是一台播控计算机,运行终端软件MarsSite。应用于异步控制系统时包括NovaCloud服务器、MC-go、PlutoSite。异步控制卡PSD100作为终端,运行终端软件PlutoSite。

终端由管理中心(MC-go)管理,实现播放方案制作、远程发布、远程监控等业务功能。管理中心将命令和播放信息上传至服务器,终端定期从服务器下载命令和播放方案,并将反馈信息回传给服务器;终端控制软件实现LED显示屏的媒体播放、屏体状态监控等功能,终端和管理中心账号(MC-go)必须在服务器注册,否则将无法实现三者之间的交互。



系统特性


集中发布
基于宽带互联网架构,支持标准HTTPS(HTTP+SSL)和FTPS(FTP+SSL)服务器,安全可靠的高速发布和下载服务,远程、集中、规范化管理媒体的发布。

远程监控
基于领先的Nova监控系统,支持远程集中收集显示屏的运行状态参数,直观全面实时掌握系统运营状态,支持对系统致命问题的报警功能,提供高效的系统维护业务环境。

层层防护
系统采用多重的安全防护措施,涵盖数据存储、传输和播放等各个环节,确保数据一致性和可靠性。
系统采用注册方式管理终端接入和管理中心(MC-go)权限,确保系统访问安全受控。

媒体管理
同一个用户的所有终端共用一个媒体库,终端播放相同媒体或播放方案包含相同媒体时系统不会重复上传,提高了媒体发布效率,节省服务器空间。

易于扩展
NovaCloud服务器系统采用可伸缩的系统架构,支持从单服务器到多加速服务器的部署,满足从数台终端到数千台终端不同规模集群应用需求。
系统易于扩展特性为用户提供成本和性能兼顾的最优解决方案,系统随业务的增长逐步增加部署,保护客户投资。

自治终端
终端软件自治,无人值守。
终端自动和系统交互、自动下载播放方案、自动检测系统状态并报告给系统、自动获取系统控制命令加以执行后反馈执行结果给系统,无需人工干预。


方案网络架构
Nova显示屏集群管理方案的网络架构如下:





配置要求


1)服务平台NovaCloud
服务平台NovaCloud由Web服务器、数据库服务器及加速服务器集群组成。基于安全考虑,必须部署硬件防火墙;基于带宽考虑,必须部署在主干网上,至少保证平均每个终端有2M以上的带宽。
日常维护是保障服务平台NovaCloud无间断正常运行的重要工作之一,Nova配备专业的服务平台维护团队。

2)管理中心计算机
用于运行MC-go软件,实现播放方案制作、远程发布、远程监控等业务功能。需要接入到互联网,建议带宽在4M以上。

计算机硬件配置要求:
CPU:双核2.4GHz以上
硬盘:SCSI接口,容量500GB以上
显卡:独显,硬件3D加速,显存1G以上

管理中心计算机软件:
操作系统环境:windows XP SP3,Windows7 32位
安装组件:Microsoft .NET Framework2.0 ,Microsoft .NET Framework4.0
管理中心软件:MC-go

3) 终端


a)同步终端:MarsSite

终端计算机是LED显示屏或液晶屏的控制计算机,除了保证LED显示屏或液晶屏要求外,特别需要满足如下要求。

终端硬件配置要求:
CPU:双核2.4GHz以上;
硬盘:300GB以上;
显卡:独显,硬件3D加速,显存1G以上。

终端软件:
操作系统环境:windows XP SP3,Windows7 32位、64位;
安装组件:Microsoft .NET Framework2.0 ,Microsoft .NET Framework4.0;
Nova Cloud 终端主控软件。

b)异步终端
终端采用NOVA异步播放盒PBOX100。




    LED显示屏集群管理方案
    总体方案
    随着LED显示屏在广告、舞台、交通、体育等众多行业的广泛应用,显示屏运营商的业务范围急剧扩大,由原来的城市运营发展至全国、甚至到跨国运营。原有的媒体发布手段已经远远不能满足业务的需求。一方面每个显示屏分辨率千差万别,不同时段要播放的内容也是各不相同;另一方面分布于各地的显示屏可能会出现无法估计的故障。 
    针对以上问题,Nova团队以其独有的创新理念和雄厚的研发实力在2013年初推出最优化、最切合实际应用的集群播控管理方案。该方案是基于宽带互联网的多媒体远程集中发布和集中监控软件,为LED显示屏集群控制与管理提供安全、可靠、易用的行业应用解决方案。

    架构篇
    1 方案介绍
    Nova显示屏集群管理方案,可以远程发布播放方案、监控播放及屏体状态、远程控制屏体亮度、电源开关等。该方案网络结构灵活,安装部署简单,只需要将终端显示屏接入互联网,并通过浏览器将终端注册到Nova提供的服务平台,就可以通过管理中心软件远程管理终端显示屏,可以根据应用情况,分组管理终端显示屏,实现远程发布媒体及播放方案、监控屏体状态、远程控制屏体亮度、电源开关等操作。
    Nova显示屏集群管理方案包含三部分:服务平台NovaCloud、管理中心软件MC-go、终端控制软件(Nova M3同步系统终端软件为MarsSite,异步控制系统PSD100内嵌终端软件)。
    服务平台NovaCloud是整个方案数据交互与数据管理的核心,为所有功能的实现提供服务。服务平台NovaCloud部署在高速的主干网上,在网络安全、数据库安全等方面都需要考虑周到,并且,根据终端数据量的情况,部署加速服务器集群数量,以均衡并满足每个终端带宽要求。
    MC-go是用户操作软件,实现播放方案制作、远程发布、远程监控等业务功能;该软件具有良好的用户体验,满足一人管理千屏的用户需求。
    终端控制软件实现LED显示屏的媒体播放、屏体状态监控等功能。
    2 方案网络架构
    Nova显示屏集群管理方案的网络架构如下:

     
    3 配置要求
    1)服务平台NovaCloud
    服务平台NovaCloud由Web服务器、数据库服务器及加速服务器集群组成。基于安全
    考虑,必须部署硬件防火墙;基于带宽考虑,必须部署在主干网上,至少保证平均每个终端有2M以上的带宽。
    日常维护是保障服务平台NovaCloud无间断正常运行的重要工作之一,Nova配备专业
    的服务平台维护团队。
    2)管理中心计算机
    用于运行MC-go软件,实现播放方案制作、远程发布、远程监控等业务功能。需要接
    入到互联网,建议带宽在4M以上。
    计算机硬件配置要求:
    CPU:双核2.4GHz以上
    硬盘:SCSI接口,容量500GB以上
    显卡:独显,硬件3D加速,显存1G以上
    管理中心计算机软件:
    操作系统环境:windows XP SP3,Windows7 32位
    安装组件:Microsoft .NET Framework2.0 ,Microsoft .NET Framework4.0
    管理中心软件:MC-go
    3) 终端
    a)同步终端:Mars-Site
    终端计算机是LED显示屏或液晶屏的控制计算机,除了保证LED显示屏或液晶屏要求外,特别需要满足如下要求。
    终端硬件配置要求:
    CPU:双核2.4GHz以上
    硬盘:300GB以上
    显卡:独显,硬件3D加速,显存1G以上
    终端软件:
    操作系统环境:windows XP SP3,Windows7 32位、64位;
    安装组件:Microsoft .NET Framework2.0 ,Microsoft .NET Framework4.0
    Nova Cloud 终端主控软件
    b)异步终端
    终端采用NOVA异步播放盒PBOX100。本地IP设置为自动获取IP方式;正确设置相应的服务器参数。

    业务篇

    1)节目制作
    a)对播放内容可指定播放日期、星期、时间段,以精确控制任意时段的播放内容;
    b)支持视频、文本、走马灯、模拟时钟、数字时钟、倒计时、天气预报、温湿度等多种媒体形式;
    2)节目发布
    a)上传、下载过程支持断点续传;
    b)对已经存在的终端媒体,不需要重复发布;
    c)支持立即发布和定时发布;
    3)方案回读
    a)回读终端正在播放的方案;
    b)根据业务需求修改该方案;
    4) 播放监控
    a)支持按日期查看终端桌面截图;
    b)支持按日期查看显示屏端网络摄像头拍摄的图片;
    5) 紧急插播
    a)紧急插播清单;
    b)紧急插播文本;
    6) 终端控制
    a)给终端显示屏发送命令,可设置立即或定时执行,命令包括:音量调节、零度调节、媒体清理、电源管理、终端锁定等;
    b)查询命令执行结果;
    7) 监控管理
    a)支持终端显示屏硬件状态查看,包括:系统工作状态、烟雾、电压、温度、湿度、风扇转速、监控卡、排线、箱门状态;(红字部分需要监控卡)。
    b)终端故障告警
    c)终端故障统计
    d)支持终端操作系统状态查看,包括cpu、内存、磁盘等;
    8) 日志管理
    a)支持日志查看、导出到excel文件;
    b)简单日志统计功能:单个媒体播放次数等;

    技术篇

    1)媒体发布安全保障
    a)对节目列表、媒体等所有播放相关文件,进行文件指纹验证,防止播放内容被恶意篡改;
    b)交互数据通讯采用https,文件通讯采用ftp+ssl,防止系统数据被第三方截获;
    2)服务平台安全保障
    a)为不同的管理员分配不同的账号
    b)去除不需要的帐号、修改默认帐号
    c)对系统账号进行登录限制
    d)为空口令用户设置密码
    e)限制除root之外UID为0的用户
    f)强制缺省密码长度限制
    g)强制设置关键目录的权限
    h)强制设置关键文件的属性
    3)网络安全保障针对网络发布的特殊性,为防止用户的恶意访问、恶意攻击采用以下两种方案来解决。
    a)防火墙端访问控制
    i.通过站点的用户访问日志记录分析恶意IP,进行防火墙的人工屏蔽。
    ii.开启防火墙自身的基础防御功能:SYN Flood, DDOS, Bad Cookies。
    b)服务器端恶意访问控制(人工控制) 
    操作:人工定期检查访问IP地址,检查操作指令,查看是否存在恶意访问。如果
    存在,则关闭该IP。
    4)数据库安全保障
    a)数据库备份数据存放
    i.系统备份的数据都存放在指定的专用服务器上。
    ii.存放备份文件的服务器设置访问权限,只有指定运维人员才有权限访问该服务器。
    iii.系统每天自动备份到指定服务器上后,由运维人员负责检查备份是否正常执行完成,并验证备份文件的可用性。
    b)数据物理存放安全
    i.对核心业务系统,在每月底将备份数据用光盘拷贝两份。

LED video display Monitor Card Temperature Sensor Light Sensor Function card Box



LED显示屏温度探测器




配件防水温度探测器,具如下特点:

1) 监控环境温度,实现屏体显示环境温度;

2) 防水等级IP65;

3) 连接多功能卡MFN300;

4) 标配5米线,可延长至100米;

5) 不需要外接电源供电;


LED video billboards Temperature Sensor

waterproof temperature Sensor, it has the following characteristics:
1)Monitor the ambient temperature to achieve showing ambient temperature on LED display;
2)Waterproof IP65;
3)Can be connected to Function Card MFN300;
4)5-meter standard cable, can be extended to 100 meters;
5)No external power supply required.




LED显示屏光探头系列




特性:

监控环境亮度,实现屏体亮度自动调节;

连接发送卡(MSD300/600、MCTRL300/610) 、异步卡 PSD100 或多功能卡 MFN300;

(1) 标配 5 米线,可延长至 100 米;

(2) 在户外使用,三防;

(3) 不需要外接电源供电;


LED video screen Light Sensor 

    Features:

    1.For environment brightness monitoring.
    2.Can be connected to receiver cards (MSD300, MCTRL300) or multifunctional cards (MFN300).
    3.The cable of standard configuration is 5 meters.With a special ordered cable, the working distance can be extended to up to 100 meters.
















LED显示屏光电转换器系列320

一、产品型号:

CVT320

特性:

CVT320:采用单模双芯、LC 接口光纤,传输距离 15KM;

无需任何驱动,连接即可使用;

1) 一路网线接口,一路光纤接口;

2) 100~240V AC 50/60HZ 交流供电;


LED RGB SCREEN EO converter device. It has the following characteristics: 
1)1 cable interface, 1 fiber interface; 
2)100~240V AC 50/60HZ power supply; 
3)Use single-mode dual-core optical fiber with LC interface, the transmission distance is 15KM; 
4)No driver required, immediately use after connection;  


EO Converter 

    Features:

    1. Use optical fiber of single mode, double cores and LC interface.
    2. Transmission distance up to 15km.
    3. 1 RJ45 Ethernet port for data input. 
    4. Power supply: 100~240V AC 50/60Hz








LED显示屏光电转换器系列310

一、产品型号:

CVT310

特性:

CVT310:采用多模双芯、LC 接口光纤,传输距离 300M;

无需任何驱动,连接即可使用;

1) 一路网线接口,一路光纤接口;

2) 100~240V AC 50/60HZ 交流供电;






LED显示屏多功能盒系列

特性:

使用 RS232 串口或千兆网口通信;

支持用网口级联在接收卡之前或最后;

具有定时功能,可以替代定时器和延时器;

支持配电箱温度检测;支持配电箱湿度检测;

支持音频输出;

支持接 2 路光探头实现自动亮度调节;

支持外接温湿度模块;




(1)LIGHT SENSOR:光探测头接口、温湿度模块接口;

(2)UART: RS232 通信接口;

(3)AUDIO: 音频输出;

(4)DATA: 网口,连接发送卡或接收卡;

LED RGB signs Function Box


a multi-function box with a variety of auxiliary functions. It has the following characteristics: 
1)RS232 serial or Gigabit Ethernet port communication; 
2)Support Ethernet port connection between two receiving cards or at the end; 
3)Has timer function, can replace timer and delayer; 
4)Support temperature detection of power distribution box; 
5)Support humidity detection of power distribution box; 
6)Support audio output; 
7)Support 2-way light sensor connection, achieve automatic brightness adjustment; 
8)Support Temperature and humidity module connection;
9)Supports 8-way power switch control.


LED显示屏多功能卡系列

特性:

具有定时功能,可以替代定时器和延时器;

支持配电箱温度检测;

支持配电箱湿度检测;

支持音频输出;

支持接 4 路光探头实现自动亮度调节;

支持外接温湿度模块;

支持 8 路电源开关控制。




1) 使用 RS232 串口或千兆网口通信;

2) 支持用网口级联在接收卡之间或最后;

LED FULL COLOR BOARD FUNCTION CARD
multi-function card with a variety of auxiliary functions. It has the following characteristics: 
1)RS232 serial or Gigabit Ethernet port communication; 
2)Support Ethernet port connection between two receiving cards or at the end; 
3)Has timer function, can replace timer and delayer; 
4)Support temperature detection of power distribution box; 
5)Support humidity detection of power distribution box; 
6)Support audio output; 
7)Support 4-way light sensor connection, achieve automatic brightness adjustment; 
8)Support Temperature and humidity module connection;
9)Supports 8-way power switch control.




LED显示屏监控卡系列

特性:

支持单灯开短路检测(需要 IC 支持) ;

支持排线故障检测;

支持箱体湿度检测、 支持箱体温度检测(不需要另购模块) ;

支持 8 路电源电压检测;

支持 4 路风扇转速检测;

支持箱门开关检测;




(1) 与接收卡 MRV320 配套使用;

(2) 如需支持点检或排线检测要配监控卡 HUB;

LED video display Monitor Card

    Features:

    1. Support LED lights status monitoring
    2. Support cabinet temperature, humidity and smoke monitoring

    3. Support 8 power supplies monitoring
    4. Support speeds of 4 fans monitoring

LED显示屏校正系统


LED显示屏校正系统

LED显示屏的亮度、色度一致性很大程度上决定了LED全彩显示屏的图像显示质量。由于LED显示屏的选灯、焊接、结构设计、散热、亮度衰减等各个环节都可能影响到显示屏的不一致性,这就导致了LED显示屏的亮度、色度一致性一直是行业内的一大难题。

LED显示屏逐点校正技术,该技术另辟蹊径,它并没有在LED显示屏的制造环节进行干预,而是在LED显示屏制造终端对亮度、色度进行测量和校正。逐点校正系统,通过对LED显示屏进行逐点校正,可显著提高LED显示屏的亮度、色度一致性,从而改善了LED显示屏的图像质量。



图1 LED显示屏校正前后对比图



逐点校正系统的应用场合主要有两种:一种是生产线上的逐箱校正(箱体校正);另一种是现场的大屏校正(全屏校正)。



生产线上的箱体校正相对现场校正效率较高,成本也较低。但是对于LED光轴方向一致性控制不是很好的显示屏,箱体校正在现场的效果不如现场全屏校正。进行逐箱校正时需要使用配套的软件。

现场全屏校正需要工程人员携带校正设备在显示屏安装现场进行逐点校正,而且户外的显示屏需要在夜间才能进行校正,相对箱体校正而言效率较低,但校正效果极为显著。进行现场全屏校正时需要使用配套的软件。


LED显示屏箱体校正方案
1前言
租赁使用的LED显示屏具有安装快捷、可移动性强等特点,可以满足许多特殊场合的需求。租赁屏在出厂前或出厂一段时间后会存在LED灯亮色度不一致的情况。
按出现不一致性的原因可分为以下两种情况:

1)同一批箱体出厂前或使用一段时间后出现明显的亮色度差异。
2)
租赁商购买了一批箱体使用一段时间后,因业务扩大又购买了一批同样规格的新箱体。因为屏体厂商按单出货的原因,新旧两批箱体之间存在较大的亮色度差异。

租赁屏的上述特点决定了租赁屏不适合做常规全屏校正,极其适合做产线箱体校正。
现场固定安装使用的LED显示屏的特点是箱体位置固定,整屏大小确定。固定安装的显示屏的特点适合实施全屏校正,但全屏校正需要校正人员携带校正设备到现场出差,需要考虑现场校正距离、校正角度、光干扰等情况,相对成本较高。一般固定安装的贴片箱体推荐箱体校正出货,直插灯箱体推荐现场校正(除非直插灯箱体的工艺很好)。

箱体校正经过多年市场应用积累了丰富的校正经验,已形成一套最优的产线校正体系。产线校正体系主要包含协助厂商规划暗室、完整成熟的厂商校正人员培训规划、后期校正应用情况长期跟踪等。

本文档主要讲述箱体校正方案和后期校正效果维护,箱体校正方案不仅适用于租赁屏的校正,对固定安装屏的厂房校正同样适用。本文适用于屏体制造商、租赁商、校正相关技术人员阅读。

2单批次箱体的校正方案
单批次箱体指出厂前箱体间没有明显亮色度差异的箱体。使用佳能7D相机校正单批次箱体,在这方面有多年校正经验。单批次箱体校正方案操作简便,效率高、对操作人员要求低,校正后可以随机拼接;

2.1哪些屏适合做箱体校正
对于一部分高端的厂家,可以实现对生产中各个环节严格控制,如果LED发光强度的空间分布一致性良好,生产上LED光轴离散性小,拼装工艺能够得到保障,便适宜在生产线进行逐个箱体的校正。这些校正后的箱体在现场拼装后从任何角度上观看亮度、色度都可以达到高度的一致性。一般来说,室内贴片灯适合箱体校正。
户外直插灯由于光轴方向的一致性难以控制,不适合做箱体校正,除非直插灯箱体的工艺很好。

2.2单批次箱体校正方案
适用范围:适用于单批次箱体校正(批次内无明显差异)。
色度计逐箱标定法的特点:
1)只需要7D相机;如果需要对出厂亮色度进行标定,需要配置光枪采集一次校正前箱体红绿蓝亮色度;
2
)方便易用,简单培训即可上手;
3)校正过程一气呵成,一键完成图像采集、系数上传、保存到接收卡FLASH、保存到灯板FLASH
操作步骤如下:
1)新建数据库
 2)
设置校正参数
具体校正操作请参看《CLB箱体逐点校正系统使用手册》;
3)
“启动校正”,输入编号,校正第一个箱体
4)
“启动校正”,输入编号,依次校正剩余箱体
 

3多批次箱体的校正方案
公司在多个场合为客户提供过多批次解决方案,在该领域有着深厚的理论基础和丰富的工程经验。本章主要就多批次生产的注意事项和我公司多批次屏体的色彩管理功能调节方案两方面展开介绍。

3.1多批次生产过程中的一些建议
1)切勿对不同批次间的灯板进行混淆处理,每个箱体内的灯板批次应该相同;这是由于在多批次调节方案中,不同批次灯板混淆后将难以区分,不利于做统一的调节。
2)
为了保证最终的显示屏从不同角度观看,不同批次间的亮色度都有较好的一致性,
需要特别注意以下几点:
1
)不同批次的LED配光曲线尽量相同;
2
)不同批次灯板的面罩及其排灯方式尽量相同;
以上两点是为了保证不同角度观看屏体的亮度衰减保持一致。因为通过亮度色度校正或者色彩调节功能,我们能保证正面观看效果很好,但随着观察者视角的偏移,亮度随着角度的增大而减小,如果相邻的两个屏配光特性不同时,在倾斜角度观察时两个屏的亮度就会出现差异。
3)即使是不同批次,应该保证这些批次间的亮度、色度差异越小越好;
不同批次亮色度差异较大时,即使是在逐点亮色度校正之后,显示低灰度画面时,亮色度差异依旧会非常大。这是因为控制系统最终是通过灰度控制来调节画面的,存在取整误差,当显示低灰度图像时,低灰数值的取整相对误差较大,会严重影响到校正的效果。这时不同屏体在显示低灰画面就会有较大的颜色差异。
4)即使是不同批次,应该保证两批次驱动IC相同,不同驱动IC对低灰校正效果影响较大。
5)如果有条件,尽量保证不同批次灯板的光衰曲线尽量吻合。
如果衰减曲线不一致,不同批次的灯板在使用一段时间后将再次出现亮度差异。

3.2 多批次箱体校正方案
诺瓦电子采用佳能7D相机+色度计(光枪)的方法校正多批次箱体。相机负责调整箱体均匀度,色度计负责标定多批次箱体整体亮色度。校正后多批次间的亮色度差异取决于色度计本身的精度。以下介绍3种多批次箱体校正的方案。
方案色度计逐箱标定法
适用范围:适用于多批次箱体、单批次内部有亮度差异的箱体。
色度计逐箱标定法的特点:
1
)每个箱体光枪自动标定一次(目前已支持CS2000的联机控制,其它光枪支持手动输入光枪测量值);
2
)不需要把多批次或使用时间不同的箱体分开,直接用光枪逐箱标定、逐箱校正;
3
)需要预先生成多批次箱体的公共亮色度目标;
4
)校正过程一气呵成,一键完成图像采集、系数上传、保存到接收卡FLASH、保存到灯板FLASH
5
)主要瓶颈在于光枪的测量精度和稳定性。
以下以两批次为例介绍色度计逐箱标定法的操作步骤:
1)生成公共色域(目标亮色度值)
在两批次中分别取一个样箱,采集两批次样箱的亮色度值填入多批次目标生成工具Compute Color Gamut的界面中,点击“生成公共色域”(如果两批次中含有亮度有差异的箱体,需要把亮度最小的箱体作为样箱,这样才能保证所有箱体校正后都能达到生成的目标亮度)。
2)输入目标值

3)逐箱标定、逐箱校正
方案色度计样箱定标法
适用范围:适用于多批次箱体(批次内无差异)。
色度计逐箱标定法的特点:
1
)每个批次需要选取2-4个样箱进行样箱标定、样箱校正,确定校正效果;
2
)样箱亮色度的标定推荐人工干预,减小色度计采集造成的误差,这一步对校正人员要求较高;
3
)需要预先生成多批次箱体的公共亮色度目标;
4
)校正时需要把多批次箱体分批次校正;
5
)每个批次都使用样箱的标定值和目标值,避免了色度计采集造成的误差。
6
)校正过程一气呵成,一键完成图像采集、系数上传、保存到接收卡FLASH、保存到灯板FLASH
以下以两批次为例介绍色度计逐箱标定法的操作步骤:
1)生成公共色域
在每个批次中分别取2-4个样箱,采集两批次样箱的亮色度值填入多批次目标生成工具ComputeColorGamut的界面中,点击“生成公共色域”。
2)校正两批次样箱,确定两批次样箱的亮色度值
校正后观察样箱的拼接效果,由于色度计采集的亮色度值可能存在一定误差,造成样箱校正后批次间仍然存在差异,我们可以采用人工干预的方法,手动修改校正前光枪采集的亮色度值,保证校正后样箱的一致性。
3)分批次逐箱校正
不需要色度计逐箱标定,箱体的亮色度值默认为相应样箱的亮色度值。
a)输入当前批次样箱的亮色度值(校正前)

b)输入目标亮色度值

C)逐箱校正当前批次箱体,直至当前批次校正完成

d)新建数据库,输入下一批次样箱的亮色度值、目标亮色度值,逐箱校正下一批次箱体

方案3 色彩管理校正法
色彩管理法又称人眼亮色度匹配法,为独有校正方法。
适用范围:适用于多批次箱体(批次内无差异)。
色彩管理校正法的特点:
1
)无需使用任何校正设备,只要使用控制系统就可以完成;
2
)适用于多批次校正;
3
)校正时需要把多批次箱体分开拼成整屏,以减小多批次调节难度;
4
)经过几次配色练习,掌握亮度、饱和度、色调的调节方法就可以轻松调节两批次显示屏;
5
)利用人眼的识别能力进行调节,通常情况下精度优于光枪(色弱、色盲除外);
6
)因每个人对亮色度的敏感度不同,此方法不易标准化。
色彩管理功能的预期效果为播放画面基本无影响,单色还是可以看出批次间的差异。箱体批次越多,色彩管理功能操作难度越大。色彩管理功能调节多批次的具体步骤如下:
1)拼屏:选取一块环境光影响较小的空旷场地,将不同批次箱体拼接成大屏,为后续调校做准备。各批次箱体需要分开拼接,以减小各批次调节的难度。
2)进入调整:在校正的系数管理页面选取用于调节全屏区域颜色不一致的系数调整功能;
3)选择调整区域:此处可以在拓扑图上选择期望调节的区域,实际应用中就是选中某个批次的箱体;
4)系数调整:该步骤是我们调节显示色彩的关键步骤,通过系统可以对显示屏每个颜色的亮度、饱和度、色调进行调节,实质上就改变LED显示屏三基色的亮度、色坐标:
 
5)完成调整:通过对每个批次箱体的亮度、饱和度、色调进行调节后,可以使不同批
次的显示屏获得其公共的亮度和色域。
6)保存数据库
控制软件校正页面选择“保存校正系数到数据库”,按照界面提示进行操作。“保存校正系数到数据库”的原理是从硬件(接收卡上的存储芯片)读取校正系数并保存到数据库,作为备用数据。
 
7)为了保证调节效果,调节完成后,可以从每个批次的箱体中随机抽取出多个箱体拼接比对。

4箱体校正后校正效果的维护

4.1 校正系数的存储
对校正数据实行双备份:硬件存储、数据库存储。
1)
硬件存储:硬件存储是把校正系数存储在接收卡的FLASH芯片(U16)里。
2)
数据库存储:数据库存储是把校正系数存储在.mdb的数据库文件里。

4.2 箱体数据库的系数上传功能
1)
选择箱体数据库,选择要上传系数的箱体的编号;
2)
选择目标箱体在整屏中的位置;
3)
上传箱体校正系数;
4)
保存上传的箱体系数。

4.3 参考周围接收卡功能(学习功能)详细步骤
1)
在校正的系数管理页面选择“设置新接收卡的系数”;
2)
选择要设置的接收卡位置;
3)
选取作为参考的接收卡位置。

4.4 更换接收卡对校正的影响和解决方法
诺瓦控制系统的校正数据是存储在接收卡上的。当现场接收卡出现故障时,要更换好的接收卡,但是好的接收卡上没有之前存储的校正数据,这时可以通过以下方法处理:
方法一:
上传系数:用箱体数据库的系数上传功能上传之前保存的校正系数。
方法二:
更换存储芯片:将故障卡上的FLASH芯片(U16)与好的接收卡FLASH芯片互换(万不得已,不推荐使用此方法,互换芯片有可能在焊接过程中损伤芯片)。
方法三:
色彩管理法:当校正数据库丢失、更换FLASH不可行的情况下,采用色彩管理法。这种方法只能使调整区域的亮色度和周围模块的亮色度基本一致,没有逐点校正效果好。见4.3节。
方法四:
参考周围接收卡功能(学习功能):此方法效果同色彩管理法。


Synchronization ,Asynchronous ,Dual, Single LED Display Signs Control System.

LED System, led display control system,Synchronization Systems,Asynchronous System, Outdoor LED Display Signs Control System
Dual, Single LED Display Signs Control System.


Asynchronous system for led display sings
Asynchronous system for led display sings
Controllable Pixel
1280*1024 pixels (dual-color), 1024*512 pixels (full-color real pixel), 1280*1024 pixels (virtual pixel full-color)
Grey Level
grey level 1024 (dual-color), grey level 4096/16384 (real pixel full-color、virtual pixel full-color)
Refresh Frequency
75HZ(dual-color), 180/300HZ(real pixel、virtual pixel)
Supporting Display Mode
Supporting 16, 8, 4, 2 and static scanning
Shift Register Chip
HC595, 6B595, 62706, 62726, ST2221
Shift Clock
16.7M, 12.5M, 8.3M, 16.25M (optional)
Supporting Software
LED studio
Asynchronous sending cards for led display sings
Dual, Single LED Display Signs Control System.


Dual, Single LED Display Signs Control System.
Controllable Pixel
1280*1024 pixels (dual-color), 1024*512 pixels (full-color real pixel), 1280*1024 pixels (virtual pixel full-color)
Grey Level
grey level 1024 (dual-color), grey level 4096/16384 (real pixel full-color、virtual pixel full-color)
Refresh Frequency
75HZ(dual-color), 180/300HZ(real pixel、virtual pixel)
Supporting Display Mode
Supporting 16, 8, 4, 2 and static scanning
Shift Register Chip
HC595, 6B595, 62706, 62726, ST2221
Shift Clock
16.7M, 12.5M, 8.3M, 16.25M (optional)
Supporting Software
LED studio








LED Displays screens synchronization systems
LED Displays screens synchronization systems








LED RGB display billboards controllers

LED RGB display billboards controllers

Control unit: computer, VPU, SPU, DDU
Brightness detector & control division: photo sensor
Signal transmission from SPU to DDU: fiber cable
Software: windows system
Data source: text, pictures, animation, .AVI,.BMP film; VCR, DVD, Video, real-time play via video camera
Operation temperature: -10°C to 50°C
Operation humidity: 10 to 99%R.H.

Product photoProduct description
Name : VIDEO PROCESSING UNIT
  • Introduction :
  •  • Users can play programs directly via DVD player, video player, video camera and PCs.
  •  • Able to supply image files; e.g. NTSC, PAL and SECAM.
  •  • There is no need to have switch port via PC or multimedia. Offers six kinds of image input; e.g. S-Video, DVI, CVBS, SDI, SYNC, RGB(PR/Y/PB), 1080i.
  •  • All output signals are in digital format.
Name : SIGNAL PROCESSING UNIT
  • Introduction :
  •  • Receives the digital video signal from the VPU and processes it in either normal, or virtual pixel mode.
  •  • Data is transferred via fiber optic cable to DDU and all signals are stored in digital format.
Name : DATA DISTRIBUTION UNIT
  • Introduction :
  •  • Receives organized images or text from signal processing unit and onto LED display.
  •  • Data is transferred via fiber optic cable and all signals are stored in digital format.

LED displays panel signs screen specifications

  • LED displays panel signs screen specifications

Indoor-type

Pitch3.125mm5.0625mm6.75mm8mm10.125mm12.5mm16mm20mm
Pixel ConfigurationSMDSMDSMDSMDSMDSMDSMDSMD
Colors214x214x214216x216x216
View AngleH:160°
V:160°
H:160°
V:160°
H:160°
V:160°
H:160°
V:160°
H:160°
V:160°
H:160°
V:160°
H:160°
V:150°
H:160°
V:150°
Matrix Resolution
W X H (Pixels)
32X64
2048
64X48
3072
32X24
768
32X32
1024
16X32
512
32X24
768
16X16
256
16X16
256
Matrix Size
W X H (mm)
100X200324X243216X162256X256162X324400X300256X256320X320
Brightness
NIT (cd/m²)
30002000200020002000200020002000
Matrix Power
Consumption
32W61W16W43W21W49W24W36W
GET Matrix Power
Consumption
       29W
Input Voltage110-220V 50 or 60 HZ
Life Time (hr)100,000
Operation Temp.-20℃~50℃
Repair MethodRear/FrontRearRearRearRear/FrontRear/FrontRear/FrontRear/Front

Outdoor-type

Pitch6.4mm8mm10.125mm12.5mm16mm
Pixel ConfigurationSMDSMDSMDSMD1R1G1BSMD1R1G1B
Colors216x216x216
View AngleH:160°
V:110°
H:160°
V:132°
H:160°
V:90°
H:160°
V:100°
H:120°
V:80°
H:160°
V:88°
H:120°
V:88°
Matrix Resolution
W X H (Pixels)
40X40
1600
32X32
1024
16X32
512
16X32
512
32X16
512
16X16
256
16X16
256
Matrix Size
W X H (mm)
256X256256X256162X324200X400400X200256X256256X256
Brightness
NIT (cd/m²)
5000500050005000500070005000
Matrix Power
Consumption
39W44W37W60W33W54W26W
GET Matrix Power
Consumption
     47W 
Input Voltage110-220V 50 or 60 HZ
Life Time (hr)100,000
Operation Temp.-20℃~50℃
Repair MethodRear/FrontRear/FrontRear/FrontRear/FrontRear/FrontRear/FrontRear/Front

Pitch20mm22mm25mm32mm
Pixel ConfigurationSMD1R1G1B2R1G1B2R1G1B1R1G1B2R1G1B3R2G2B1R1G1B
Colors216x216x216216x216x216216x216x216216x216x216216x216x216216x216x216216x216x216216x216x216
View AngleH:160°
V:95°
H:120°
V:85°
H:120°
V:75°
H:120°
V:85°
H:120°
V:110°
H:120°
V:80°
H:120°
V:110°
H:120°
V:95°
Matrix Resolution
W X H (Pixels)
16X16
256
16X16
256
16X16
256
16X8
128
16X16
256
16X8
128
16X8
128
8X8
64
Matrix Size
W X H (mm)
320X320320X320320X320320X176400X400400X200352X176256X256
Brightness
NIT (cd/m²)
60007000500050005000500050005000
Matrix Power
Consumption
60W38W45W23W52W30W23W25W
GET Matrix Power
Consumption
  32W 43W23W 18.5W
Input Voltage110-220V 50 or 60 HZ
Life Time (hr)100,000
Operation Temp.-20℃~50℃
Repair MethodRear/FrontRear/FrontRear/FrontRear/FrontRear/FrontRear/FrontRear/FrontRear/Front

  •  • NOTE
  •    1.The module power consumption is calculated at the standard LED rank. The actual power consumption will increase or decrease according to selected LED rank.
  •    2.GET (Green Energy Technology) module power consumption has been experimentally verified. However, consumption still depends on selected LED rank and power supply. Generally, it saves at least 40%. 
  •  • GET TYPE
  •    New LED Display Type with Green Energy Technology (GET) is available now, please contact with us directly.