Patent ID: 8297828

Claim:
A light guide panel with light beams incident through a side thereof, comprising: a plurality of through holes formed in a path of the incident light beams perforating the light guide panel from a top surface to a bottom surface thereof, spaced apart from a light incident surface in the side of the light guide panel by a predetermined interval, wherein the light beams are incident to the light guide panel through the light incident surface from a number of light sources, facing the light incident surface and the plurality of through holes spaced apart from the light incident surface by a predetermined distance, the through holes being arranged to form through-hole groups, each of which is adjacent each of the light sources, respectively, wherein centers of the through holes in each of the through-hole groups are arranged on a single straight line, wherein each of the through holes refracts the light beams incident into the light guide panel to be spread to various portions of the light guide panel as they pass through the through holes.