Patent ID: 7163332
Filing Date: 2007-01-16
Classification: G02B,G02F

Abstract:
1. A front light, comprising: a light guide; and a light source disposed at one side of the light guide, the light guide comprising a light-entering surface where the light from the light source enters, a light-emitting surface where the light from the light source is emitted outwardly, and a light-reflecting surface opposed to the light-emitting surface, the light-reflecting surface having a plurality of patterns formed thereon, each of the patterns comprising a first surface inclining relative to the light-emitting surface toward the light-entering surface, a second surface substantially perpendicular to the light-emitting surface or inclining relative to the light-emitting surface opposite to the light-entering surface, and a third surface inclining relative to the light-emitting surface toward the light-entering surface, wherein an angle of inclination of the second surface against the light-emitting surface is between 80 degrees and 90 degrees, and wherein an angle of inclination of the third surface against the light-emitting surface is between 10 degrees and 50 degrees.