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