The light emitting diode chip group includes {HEAD ~ LED chips} for {TAIL ~ red, green and blue colors} 
The light emitting diode chip group includes { HEAD ~ LED chips } for { TAIL ~ red , green and blue colors }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL