An illumination device for a motor vehicle includes at least one light source and an elongated waveguide which is delimited along the length thereof by a lateral surface. The waveguide is configured to guide light from the at least one light source along a light propagation direction in a totally reflective manner, the light propagation direction corresponding to the length of the waveguide. The light of the at least one light source can be coupled into the waveguide via a coupling surface at an end face of the waveguide, and a decoupling structure is provided in the lateral surface of the waveguide for decoupling light, which exits the waveguide via an exit region of the lateral surface along the light propagation direction, thereby overriding the total reflection condition.

An illumination device for a motor vehicle includes at least one light source and an elongated waveguide which is delimited along the length thereof by a lateral surface. The waveguide is configured to guide light from the at least one light source along a light propagation direction in a totally reflective manner, the light propagation direction corresponding to the length of the waveguide. The light of the at least one light source can be coupled into the waveguide via a coupling surface at an end face of the waveguide, and a decoupling structure is provided in the lateral surface of the waveguide for decoupling light, which exits the waveguide via an exit region of the lateral surface along the light propagation direction, thereby overriding the total reflection condition.

A lamp module includes a light source unit that generates light; a light guide unit that guides the light incident on an incidence portion from the light source unit to be emitted to an emission portion; and an optical unit that transmits the light emitted from the light guide unit to allow a predetermined beam pattern to be formed. In particular, the optical unit includes a plurality of lenses disposed in a vehicle width direction, and the emission portion includes a plurality of emission surfaces disposed in the vehicle width direction to correspond to the plurality of lenses.

A lamp module includes a light source unit that generates light; a light guide unit that guides the light incident on an incidence portion from the light source unit to be emitted to an emission portion; and an optical unit that transmits the light emitted from the light guide unit to allow a predetermined beam pattern to be formed. In particular, the optical unit includes a plurality of lenses disposed in a vehicle width direction, and the emission portion includes a plurality of emission surfaces disposed in the vehicle width direction to correspond to the plurality of lenses.

An optical assembly, a vehicle lamp and a motor vehicle are disclosed. The optical assembly includes a light guide, the light guide at least having a first light guide section, a second light guide section and a bridging light guide section. The first light guide section and the second light guide section are connected together at one end to form an end region and bifurcating from the end region, the end region having an end face for the in-coupling of light. The bridging light guide section is arranged between the first light guide section and the second light guide section. The bridging light guide section is spaced apart from a bifurcation position of the first light guide section and the second light guide section, and the bridging light guide section has a light in-coupling face facing the bifurcation position, and a light out-coupling face.

A light guide, including a light input surface, a longitudinal path, a lateral surface, wherein at least a portion of the lateral surface is configured as a light exit surface, wherein a first and a second light guide section includes a plurality of light redirection elements, which are configured to redirect light towards the light exit surface, wherein the light exit surface is a curved surface with a primary focal line, wherein each light redirection element has a certain incision-depth, which increases along the longitudinal path, wherein the light exit surface of the second light guide section has a protrusion, which has a secondary focal line, which is closer to the light exit surface than the primary focal line, wherein the light redirection elements of the first light guide section intersect the primary focal line, wherein the light redirection elements of the second light guide section intersect the primary focal line and the secondary focal line.

The invention relates to a luminous motor-vehicle module including at least one light source, an open casing, and a closing element for closing said open casing. The open casing includes a housing for positioning on an optical element, the positioning housing includes a plurality of grooves, and a tab for hooking on a casing of said motor vehicle comprising the optical element and an outer lens for closing the casing, the luminous module being configured to make a rotation and hook, at the end of the rotation, onto the casing via said hooking tab of the open casing.

An illumination apparatus for a motor vehicle comprises: a light source, an optical waveguide with an incident surface and a reflective region; and a hologram arranged on or in the optical waveguide. The illumination apparatus is configured such that light emitted by the light source enters the incident surface of the optical waveguide in the direction of the reflective region, is reflected by the reflective region inside the optical waveguide in the direction of the hologram and interacts with the hologram. The average distance between the light source and the incident surface is at least half as great as the average distance between the reflective region and the hologram.

A lighting apparatus includes a plurality of fiber optic panels coupled to respective light sources. The fiber optic panels include a set of optical fibers configured to emit light transversely to the optical axis thereof to form respective illumination regions in the fiber optic panels. A housing is included in the lighting apparatus to have an internal chamber and at least one window formed therein by which the internal chamber is in optical communication with the exterior of the housing. Additionally, an optical system such as a reflector or lens can subtend the light from the distal ends of the fibers within the chamber. The fiber optic panels are coupled to the housing to convey light into the internal chamber while the illumination regions extend from the housing to perform a lighting function of an automotive vehicle.

A lighting apparatus includes a plurality of fiber optic panels coupled to respective light sources. The fiber optic panels include a set of optical fibers configured to emit light transversely to the optical axis thereof to form respective illumination regions in the fiber optic panels. A housing is included in the lighting apparatus to have an internal chamber and at least one window formed therein by which the internal chamber is in optical communication with the exterior of the housing. Additionally, an optical system such as a reflector or lens can subtend the light from the distal ends of the fibers within the chamber. The fiber optic panels are coupled to the housing to convey light into the internal chamber while the illumination regions extend from the housing to perform a lighting function of an automotive vehicle.