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