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“SMD Combi-31” is a kind of manufacture technics for Indoor full-color LED display,which is the developed by Liangjinjing. Compared with other Indoor LED display,”Combi-3 SMD” have the Advantages as below:
1.The cabinets of our Indoor LED display is made by die-casting alum.,while others made their cabinet by steel or by jointing alu, board. The most important is that:Our cabinet have the unique hanging structure which is suitable for rental business.
2.All the modules are assembled in the case, then there is no slots between PCB board and Alum. cabinet. When transport or install the LED screen, the PCB board will not be mangled.
3.We check the quality of our LED display as per the Japanese Standard Operation Requests.And we can control the dead pixel rate within 1/100,000 per year.
4.The bright difference of any two pixels is less than 20%,it assure the our LED display is uniformity in color and brightness, in avoid “splash”,”glare” “mosaic” and blur.

5.Shenzhen Academy of Metrology and Quality Inspection (SMQ) test our Indoor full-color display from the temperature strike. The result shows: Indoor full-color LED display from Liangjinjing can be normally used under the temperature between －25℃ and ＋75℃