{TAIL ~ The LED based illumination device} 1, wherein {HEAD ~ a reflective backing layer} is disposed adjacent to the first portion 
{ TAIL ~ The LED based illumination device } 1 , wherein { HEAD ~ a reflective backing layer } is disposed adjacent to the first portion
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH