The LCD large screen splicing project that Shenzhen Huayun Vision Technology Co., Ltd. cooperated with an exhibition hall has been completed perfectly. 44 pieces of LCD splicing screen have been used in this project. LCD splicing system adopts industrial-grade professional DID LCD screen, high-margin electronic components, all-metal shell, real video restoration, 3D digital filtering and dynamic image high-definition display technology. The product itself has many patented inventions, such as repetition rate switching, signal splicing intelligent heat dissipation and so on. The image display is clear and the color restores true. The whole machine has high reliability and is suitable for 24 x 7 x 365 long time working mode. LCD screen has the characteristics of high brightness, high definition, high contrast, wide viewing angle, no burns and suitable for harsh environment.