The filter includes {TAIL ~ an external light shielding sheet} which is composed of a base unit, and {HEAD ~ a plurality} of pattern units that are formed on the base unit, wherein a bottom, which is wider than a top, of the pattern units is formed as a concave shape 
The filter includes { TAIL ~ an external light shielding sheet } which is composed of a base unit , and { HEAD ~ a plurality } of pattern units that are formed on the base unit , wherein a bottom , which is wider than a top , of the pattern units is formed as a concave shape
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH