At present, the mainstream is red, blue, and green, which is commonly referred to as RGB. These three primary colors can be combined into ever-changing primary colors. There are two ways to realize white color, one is RGB combination, and the other is realized by coating phosphor powder when packaged with blue light. This method is the mainstream. According to the different ratio of phosphor powder, many primary colors can appear, mainly the change from warm white to cold white. In some special-purpose occasions, there are also LEDs that emit infrared and ultraviolet rays.
In summary, the basic colors of LED mainly include red, blue, green, infrared, ultraviolet, and various colors combined with RGB, that is, various white LEDs of the phosphor series.
