Examples of LED chips are {HEAD ~ GaN}, InGaN, AlInGaP, GaP, or any device capable of performing the stated function of emitting {TAIL ~ light} in response to an electrical signal 
Examples of LED chips are { HEAD ~ GaN } , InGaN , AlInGaP , GaP , or any device capable of performing the stated function of emitting { TAIL ~ light } in response to an electrical signal
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH