Patent ID: 8534897
Filing Date: 2013-09-17
Classification: G02B,G06F

Abstract:
1. An optical waveguide device, comprising: a light source provided on an edgewise extending frame part of a rectangular panel; and an optical waveguide provided on the frame part and including a branched core having a common portion closer to the light source, the branched core being divided from the common portion into two directions orthogonal to each other, wherein the common portion is disposed at a corner of the frame part, wherein the branched core further includes a first core portion extending in a straight line along a long side of the panel from the common portion, and a second core portion having a proximal part curved in the form of an arch over a predetermined length from a branch point of the common portion and a distal part extending in a straight line along a short side of the panel, and wherein the second core portion has a width greater than that of the first core portion.