The light guide is provided with two kinds of {HEAD ~ reflective curved surfaces} and {TAIL ~ the collecting position} of the light reflected by each curved surface differs 
The light guide is provided with two kinds of { HEAD ~ reflective curved surfaces } and { TAIL ~ the collecting position } of the light reflected by each curved surface differs
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH