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The full name of COB is the Chip On Board: directly package the chip on the circuit board. “Chip on Board” LEDs for flexible cob led strip lights are sometimes referred to as flip-chips. Flip chip LEDs are basically a bare-bones approach to LED construction.
Take a look at an ordinary SMD (Surface Mount Device) LED. It has a Lamp bead holder that package the LED chip and then covers it with a phosphor coating. The ‘flip chip’ that makes up the COB LED strip removes everything from its design, except for the LED chip, yellow phosphor cover layer, and connection pads.
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.
