The invention provides {HEAD ~ an LED module} having {TAIL ~ an inner surface} provided with an ultra black film 
having
The invention provides { HEAD ~ an LED module } having { TAIL ~ an inner surface } provided with an ultra black film
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH