SMD (Surface-Mounted Device) technology is the dominant method for active LED displays, packaging Red, Green, and Blue LED chips together onto a single surface-mount component, allowing for high pixel density, superior resolution, wider viewing angles, better color accuracy, and smaller module sizes compared to older DIP (Dual In-line Package) LEDs. This technique places LEDs directly onto a Printed Circuit Board (PCB), enabling compact, efficient, and cost-effective manufacturing for applications from indoor signage to large video walls.