Abstract: A lighting system that includes a common optical system to achieve both rear fog and rear position or tail functions is disclosed, the lighting system including a light guide having a first side and a second side, the first side of the light guide having a plurality of optical devices formed therein; a first light source disposed adjacent one of the optical devices, wherein the optical device reflects and substantially collimates light rays emitted from the first light source through the light guide and into a first desired lighting pattern; and a second light source disposed adjacent one of the optical devices, wherein the optical device reflects and substantially collimates light rays emitted from the second light source through the light guide and into a second desired lighting pattern.

Abstract: A trough reflector for a lighting system is disclosed, wherein the trough reflector produces a lighting pattern having a stepped horizontal cut-off, maximizes collection efficiency, and minimizes undesirable beam patterns. The trough reflector includes a reflective surface having a substantially parabolic curvature for directing light, wherein the reflective surface is split into a first portion and a second portion. The second portion offset relative to the first portion of the trough reflector. The trough reflector further includes a plurality of reflective side walls disposed adjacent the reflective surface, wherein the reflective side walls cooperate with the reflective surface to direct light rays to form a desired lighting pattern.

Abstract: A light assembly is provided having a lens assembly that splits the function of a near field lens into two components, thereby permitting a manufacturable lens that achieves the desired beam size and intensity. At the same time, increased flexibility and control over the beam spread characteristics is achieved. The first component is an inner lens, while the second component may be a reflector or a second lens.

Abstract: A bifunctional LED headlamp for a vehicle is disclosed, wherein at least one of a shield, a lens, a reflector, and an LED are movable to facilitate use of the headlamp in both a low beam mode and a high beam mode.