what is COB? COB is the abbreviation of the Chip On Board. The means is to directly package the chip on the circuit board. It is a kind of LED integrated package technology. The COB led strip is a high-density led lighting strip made by COB encapsulation, which can reduce the thermal resistance of the high-density strip circuit system, greatly improves the life of the LED, and the light flux density is high, the glare is small, and the light is uniform and there is no dark area.