a full width of angle of {HEAD ~ 10.0°} to {TAIL ~ 45.0°} at the 1/1,000 reflected light intensity to a peak of a reflected light intensity, with respect to an incident light upon the surface having the plurality of diffuser elements thereon at an angle of 5° to 30° from the normal direction of the surface, and 
a full width of angle of { HEAD ~ 10.0 ° } to { TAIL ~ 45.0 ° } at the 1/1,000 reflected light intensity to a peak of a reflected light intensity , with respect to an incident light upon the surface having the plurality of diffuser elements thereon at an angle of 5 ° to 30 ° from the normal direction of the surface , and
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL 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 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