Jiuquan Satellite Launch Center is the earliest and largest satellite launch center in China. As of January 2018, the Jiuquan Satellite Launch Center has carried out a space launch mission that has exceeded 100 times and made outstanding contributions to the development of China's space industry. As the live broadcast of the media, as an important display terminal, the large-screen display system is indispensable for the execution of satellite center launch missions.
Jiuquan Satellite Launch Center launch mission execution screen
At the end of 2017, Weichuang COB small-pitch LED display system was delivered to the Space Satellite Launch Site Command Hall of Jiuquan Satellite Launch Center, serving various equipment status monitoring services before the launch mission. The ultra-high-resolution large-screen system fully satisfies the comprehensive and high-definition presentation of multi-service information of the launch center.
Compared to the first generation of SMD small pitch LEDs, COB small pitch LED technology has greatly improved in "system stability, environmental adaptability, viewing comfort". Judging from the business needs of the Jiuquan Satellite Launch Center, these three points directly affect their choice of different display technologies.
From the perspective of stability and reliability, every space launch is of great significance and mission sacred. "Organization command zero error, technical operation zero error, zero failure of equipment and facilities" is the unshakable goal of the launch center, which is for the big screen display. The stability and reliability of the system place extremely stringent requirements. Since the COB small-pitch LED technology has no lamp bead packaging, reflow soldering, and patching processes, the accumulated dead pixel rate is less than one tenth of that of the SMD technology, and the stability and reliability are substantially improved.
Naturally speaking, the Jiuquan Satellite Launch Center is located in the Gobi Desert, with a bad climate and large wind and sand. Adaptability to the environment is an important criterion for testing large screen systems. COB packaging technology has no exposed lamp legs, smooth surface and seamless, with moisture-proof, anti-static, anti-bump, dustproof and other functions, the front protection level reaches IP54, effectively avoiding SMD small-pitch LED due to weather, humidity, dust, static electricity, bump The problem of dead lights and bad lights caused by environmental or human factors greatly improves the protection performance.
The long-term work of the command and control center must also require the viewing comfort of the large-screen display system. The high filling factor optical design of COB products has uniform illumination and approximates “surface light sourceâ€; its matte coating technology also significantly improves contrast, reduces glare and glare, and is less prone to visual fatigue.
å¨åˆ›COB small pitch LED system
In recent years, the words “Long Marchâ€, “Shenzhouâ€, “嫦娥†and “Tiangong†have appeared frequently in the public eye, and Chinese astronauts are making solid progress toward the space dream. For a long time, Weichuang has spared no effort to upgrade its technology and products to create a more stable, reliable and high-quality large-screen software and hardware system for users to help the development of China's space industry. The successful application of COB small-pitch LED in Jiuquan Satellite Launch Center is the best affirmation and evidence.
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