In the case of the present embodiment, the light of a specific wavelength region refers to blue light of about 450 nm, green light of about 550 nm and red light of {HEAD ~ about 650 nm} in {TAIL ~ wavelength} 
In the case of the present embodiment , the light of a specific wavelength region refers to blue light of about 450 nm , green light of about 550 nm and red light of { HEAD ~ about 650 nm } in { TAIL ~ wavelength }
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 OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL