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With the increase in market demand for outdoor advertising, outdoor LED display applications have rapidly expanded. Facing the complicated products on the market, how can industry users choose products that satisfy themselves? Understanding the parameters of the LED display is the primary premise. The following Shenzhen Yingying Optoelectronics will give you an analysis of the parameters.
1. Sharpness: According to the best viewing distance to determine the screen area required, the resolution of '40000 pixels / m2' the best distance of 5-50 meters, using the most advanced 16-bit data interface, to further improve the picture Sharpness.
2. Brightness: The screen brightness is designed to be more than 2500cd/m2, which can not only ensure the vivid color and clear image when the indoor full-color LED display is normally used, but also ensure that the LED display can be used when the lamp attenuation exceeds 30%. Sufficient brightness and sharpness of the video image. Refresh rate: Super Category 5 twisted-pair shielded cable is used between the processor and the screen body to configure a high-performance control IC. The high refresh rate of the screen body can be designed to be less than or equal to 1000 Hz to ensure that there is no ripple and flash when the video is played. All-digital low loss, anti-electromagnetic interference. Power supply and signal transmission methods: Because of the importance of full-color LED displays, the power supply and signal transmission must be specially processed technically, using high-quality, high-grade connector designs. Further control the failure caused by various lifting forces at the connector.
3. Control mode: The independently designed control system is selected and 240 hours of uninterrupted power-on aging screening is selected to select a highly reliable control system. In addition, dual redundant hot backup is used in the control mode. Once a problem occurs, it is immediately accessed by another signal line, and normal operation continues smoothly.
4, raw materials: LED display screen all the raw materials are selected business card quality products, the most important LED lights use high quality LED lights
5. Aging process of the tertiary products: First, the modules produced by the automated assembly line are subjected to electrical aging for 24 hours, and then the individual enclosures are subjected to electrical aging for 48 hours. Finally, the on-site assembly of the finished display panel is continuously burned for 72 hours. Can be delivered to the site of the assembly.
6, product quality control: all products in strict accordance with the ISO9001-2000 quality certification system documents for product manufacturing. (See quality certification), will be in strict accordance with the IP65 waterproof test to achieve complete waterproof effect. LED display installation and debugging: In strict accordance with the design program for LED display installation and commissioning, the installation level to reach the C level or above (the highest level of LED display installation).
7, leading system software (prepared in the screen and then applied): The operating system uses Windows XP and supports Microsoft's latest series of Windows products. All application software uses Windows as the operating platform and friendly interface. The playback software has a rich clock function. It can display the current date and current time. The display clock synchronized with the computer's time can be an analog clock or a digital clock. The software uses advanced threading technology to play texts, animations, clocks, photos, audio, etc. in multi-threads while playing software.
8. Perfect system function design? (Prepared for the screen and then applied): This system can meet the requirements of assembly, performance, television broadcast and advertising broadcast. This project LED display system has multimedia, multi-channel, can communicate high-speed communication data and video interface in real time, can easily introduce various forms of information sources into the computer network system, to achieve a unified control of various audio and video input.
9, video playback function: can display true color dynamic video images, high-fidelity broadcast CCTV, GPS television programs; a variety of video signal input and output interfaces: composite video, Y / C video (S-Video), YpbPR, VGA ( RGBHV), DVI, HDMI, and SDI (HDSDI); High-fidelity playback of video programs such as VCRs, VCDs, DVDs, and lDs; real-time editing and playback of panoramas, close-ups, slow shots, and stunts can be achieved by editing devices Features. Brightness, contrast, saturation, color can be adjusted by software, adjustment range is 256; with image freeze function; with video overlay (VGA + Video), video (Video), VGA three display modes; with horizontal / vertical Position compensation function; with display synchronization function.
10, computer graphics and text information playback function: You can display a variety of computer information, text, graphics, drawings and two three-dimensional animation, etc.; have a wealth of playback methods, display scrolling information, notifications, slogans, slogans, etc., storage data information capacity. The display screen can open multiple windows, display calendars, clocks, and insert single-stream texts. There are many kinds of Chinese fonts and fonts to choose from. You can also input foreign languages ​​such as English, Spanish, French, German, Greek, Japanese, Latin, and Russian. The broadcast system has multimedia software that can flexibly input and broadcast a variety of information. There are more than 20 kinds of broadcast methods such as scrolling, scrolling up and down, pushing up and down, pushing diagonally, spreading, fan-shaped, rotating, and zooming. Through the network connection, the network data information is displayed. It is equipped with a network interface, which can be networked with computers, share network resources, and has a standard audio signal output interface for audio and video synchronization.