COB means Chip On Board.
COB LED Display means Chip On Board LED display, it's a kind of LED display which adopts bare chip encapsulating technology, which interconnect bare chip to PCB by conductive or non-conductive adhesive, and then wire bonding to achieve its electrical connection, at last, encapsulate the full LED chip side of the PCB.
World's Finest Outdoor LED Display
Unified Module Size: 240mm x 120mm
Available Pixelpich: 1.875mm, 2mm, 2.5mm, 3mm, 4mm