... backdrop led screen:Compared with DIP led screens, the advantages of light weight & portable P6mm SMD stage backdrop led screen are ... as below: 1. Better effect of color mixture: Light weight & portable P6mm SMD stage backdrop led screen ... will encapsulate the chip on the surface of the cup.6. Wide view angle, ultrathin, light weight, waterproof, moistureproof, anticorrosion, quake ...