WanbanMCOBled on Twitter: "The 4th generation of LED, MCOB comes. What's the big difference between MCOB/COB/SMD? Check as below: http://t.co/z7s0NZMy" / Twitter
SMD LED Vs DIP LED Vs COB LED, Which Is Better? - PTC Led
odlamp Super Bright High Power LED Chip 50W SMD COB Light White 6000-6500k DC 30-34V for Emitter Components Diode 50 W Bulb Lamp Beads DIY Lighting (White)