Gallium arsenide (GaAs) – infrared
GaAs phosphide (GaAsP) – red to infrared, orange
Aluminum gallium arsenide phosphide (AlGaAsP) – high brightness red, orange-red, orange and yellow
Gallium phosphide (GaP) – red, yellow and green
Aluminum gallium phosphide (AlGaP) – green
Gallium nitride (GaN) – green, emerald green
Indium gallium nitride (GaInN) – near-UV, blue-green and blue
Silicon carbide (SiC) – blue as a substrate
Zinc selenide (ZnSe) – Blue
Aluminum gallium nitride (AlGaN) – ultraviolet light