Patent ID: 9591166
Date: 2017-03-07
CPC Classifications: G02B,H04N

Claim:
1. A light guide comprising: a splitting section configured to split light emitted by a light source into at least two; and at least two light guiding sections arranged side by side in a predetermined width direction and configured to cause the light entering from the splitting section to propagate in a predetermined length direction that is perpendicular to the width direction, wherein: the splitting section extends from the light source in the length direction, and has a proximal end proximate the light source and a distal end located distally from the light source and opposite to the proximal end; each of the light guiding sections includes: a reflective section provided along the length direction and configured to reflect light incident thereon; and an emission surface arranged opposite the reflective section and configured to emit the light reflected by the reflective section as a linear light beam having predetermined light distribution in the length direction; and the emission surface extends in the length direction so that a first end of the emission surface extends beyond the distal end of the splitting section in the length direction and a second end of the emission surface is located closer to the light source than the distal end of the splitting section.