LED device, LED lamp strip and lighting system

The invention relates to the technical field of LEDs, in particular to an LED device, an LED lamp strip and a lighting system. The LED device comprises an LED bracket, at least one baffle plate is arranged on the LED bracket, and at least one side of the baffle plate is provided with an RGB light-emitting unit; the RGB light-emitting unit comprises three light-emitting units capable of emitting red light, green light and blue light respectively; the chip in at least one light-emitting unit is a first conversion chip, wherein the first conversion chip is a single-color chip; and a first conversion structure enabling the first conversion chip to emit any one of red light, green light and blue light is arranged outside the first conversion chip, the first conversion structure comprises a first light conversion substance, and the first light conversion substance comprises any one of quantum powder and fluorescent powder. The LED device is low in manufacturing cost, high in brightness and more suitable for outdoor