The light guide plate 7, wherein {HEAD ~ a second plurality} of scattering dots are located in an area between the most outside of concentric circle and the most inside of concentric polygon; {TAIL ~ the second plurality} of scattering dots are arranged in a circular arcs 
The light guide plate 7 , wherein { HEAD ~ a second plurality } of scattering dots are located in an area between the most outside of concentric circle and the most inside of concentric polygon ; { TAIL ~ the second plurality } of scattering dots are arranged in a circular arcs
OTH OTH OTH OTH OTH OTH OTH HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH