The first reflective layer on {HEAD ~ the second angled sidewall} faces the light emitting device and may assist in reflecting {TAIL ~ light} from the light emitting device 
The first reflective layer on { HEAD ~ the second angled sidewall } faces the light emitting device and may assist in reflecting { TAIL ~ light } from the light emitting device
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH