Single color LED and RGB LED both reach the same destination, both of which hope to achieve the effect of white light, but one is directly presented with white light, while the other is made of red, green and blue. In addition, blue LED is combined with yellow fluorescent powder and ultraviolet LED is combined with RGB phosphor. On the whole, both of them have their imaging principles. The color of some LED backlight boards is particularly clear and bright, and even has the degree of high picture quality TV. This situation is the feature of RGB. Red is red, green is green and blue is blue.