LED display is mainly applied to large-scale outdoor advertising screen and stage background screen to increase and enriched the elements on the stage by providing real-time dynamic display and building brilliant background. After years development, led display cabinet material is changed into die casting aluminum instead of the sheet metal casing in the beginning, the weight is getting lighter and the structure is getting more and more rational and the precision is getting higher to basically achieve seamless splicing. The latest die casting aluminum cabinet is not only the simple upgrade of traditional cabinet, but also gets a comprehensive optimization and update with the structure and performance, it adopts a kind of special compact die casting aluminum cabinet to achieve very high stitching precision but the disassembling and maintenance are getting very easier.

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Die casting cabinet isfully processing fashioned by forcing external pressure on the mould, the cabinet flatness is full guaranteed and the tolerance range is effectively controlled to basically solve the cabinet flat-fell seam problem; because of the humanized design, cabinets are lighter for easy installation without flat-fell seam and the cable connection becomes more reliable; cabinets are with light quality and adopt hoisting structure to make sure the installation is convenient and solid; with high barrier property power connector for connection, cabinet security is more reliable; because of the concealed connection of the signal cables and power cables between cabinets, there is no sign of connection after installed; besides, the cabinets can accept black light for SMT to get stronger contrast, more soft color and better consistency of the white balance and when the screen is switched off, the appearance of the whole screen will be more beautiful.

Each die casting aluminum cabinet is equivalent to an unit screen, namely the unit panel, it can be used as an independent screen which has four times display area then a led module. A led module can’t be used as a unit panel because compared with the die casting aluminum cabinet its display area is too small. The components of a die casting aluminum cabinet includes masks, lamp board (means the led module), the die casting aluminum box ( means the module pan ) and the back cover ( made of aluminum board ).