TOP lamp bead side series, the packaging material is closely attached to the internal components, which can work stably in various environments. The side of the package forms a stable protective structure, which can effectively resist the influence of external environment on the inside of the lamp bead, such as preventing dust intrusion and water vapor infiltration. The light from the side is even and soft, and the products with high color reproduction are widely used in indoor and outdoor commercial and residential building lighting, automobile interior and exterior decoration lighting, LCD backlight converter, traffic signals, switches and sign lights, advertising decoration and daily lighting.