Patent ID: 8979292
Filing Date: 2015-03-17
Classification: G02B

Abstract:
1. A display comprising: point light sources; a light guide plate including a light-receiving surface on which light emitted from said point light sources is directly incident, opposed to said point light sources; and a display cell provided on a surface of said light guide plate, wherein a plurality of projecting portions, each having a width smaller than a width of each of said point light sources in an extensional direction of a side of said light guide plate provided with said light-receiving surface, are provided on a region of said light-receiving surface of said light guide plate opposed to said point light sources, said plurality of projecting portions of said light guide plate are formed to have irregularly different shapes, said plurality of projecting portions include a first projecting portion and a second projecting portion whose width differs from a width of said first projecting portion in said extensional direction, said light guide plate includes a flat portion substantially parallel to said point light sources, said flat portion includes a first flat portion and a second flat portion whose width differs from a width of said first flat portion in said extensional direction, said first flat portion is adjacent to said first projecting portion, and said second flat portion is adjacent to said second projecting portion, said width of said first projecting portion is larger than said width of said first flat portion, said width of said second projecting portion is larger than said width of said second flat portion, and said first projecting portion and said second projecting portion are formed to project toward said point light sources.