{HEAD ~ The side surfaces} of the light guide plate with the light sources provided thereon have {TAIL ~ a ridge} like inclined surface formed thereon, when viewed from the illuminating surface, and the ridge like inclined surfaces serve as a light receiving surface with the light source arranged thereon 
have
{ HEAD ~ The side surfaces } of the light guide plate with the light sources provided thereon have { TAIL ~ a ridge } like inclined surface formed thereon , when viewed from the illuminating surface , and the ridge like inclined surfaces serve as a light receiving surface with the light source arranged thereon
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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