What is the 4-element LED?
It is a compound semiconductor device composed of four elements (In, Ga, Al, P). It realizes high brightness ranging from "green" to "red" in the same crystal growth method with the same materials.
It is a compound semiconductor device composed of four elements (In, Ga, Al, P). It realizes high brightness ranging from "green" to "red" in the same crystal growth method with the same materials.