F21W102/135

Low-beam primary optical element, vehicle lamp module, vehicle lamp, and vehicle

A low-beam primary optical element for a vehicle lamp, a vehicle lamp module comprising the low-beam primary optical element, a vehicle lamp, and a vehicle. The low-beam primary optical element comprises light entrance portion, a light passage portion and a light exit portion which are sequentially arranged from back to front. The light exit portion comprises a main light exit surface and a second light exit surface connected to the main light exit surface. A low-beam cutoff line structure is provided at the secondary light exit surface. The secondary light exit surface is configured to refract light emitted to the low-beam cutoff line structure forward and upward. The low-beam primary optical element has a simple structure, and can effectively improve the color of a low-beam light-dark cutoff line and mitigate color dispersion.

Vehicle lamp
12270520 · 2025-04-08 · ·

A vehicle lamp includes: a plurality of reflectors including a first reflector; and a plurality of light sources provided in the plurality of reflectors in a mode in which at least one of the plurality of light sources is provided in each of the plurality of reflectors, where the plurality of light sources include two or more first light sources provided in the first reflector, a light distribution pattern of light emitted from the plurality of light sources through the plurality of reflectors includes a first pattern in which a width in a vertical direction decreases toward a vehicle outer side, one of the two or more first light sources is disposed at a focal point of the first reflector, and the other of the two or more first light sources is disposed on a vehicle inner side with respect to the focal point of the first reflector.

Illumination device for a motor vehicle headlight and motor vehicle headlight

An illumination device (100) for a motor vehicle headlight, with an optical body (1) and a plurality of light guiding bodies (2), wherein the light guiding bodies merge into the optical body with their light exit surfaces (2b) in an optical body merging surface (11) opposite an optical body light exit surface (10) of the optical body. The light guiding bodies are arranged such that light exit surfaces of adjacent light guiding bodies have a distance from one another greater than zero resulting respectively in an open space (12) between two adjacent light guiding bodies on the optical body merging surface. The illumination unit (101) further includes an additional optical device (200) that has at least one light entry area (201) and one or more light extraction areas (202). Each light entry area is associated with at least one additional light source (250), and at least some of the light injected by an additional light source into the additional optical device via a light entry area propagates in the additional optical device to the one or more light extraction areas and leaves the additional optical device there, wherein respectively at least one, preferably exactly one, light extraction area is arranged between two adjacent light guiding bodies in such a way that light exiting the light extraction area can enter the optical body via the open space between the two light guiding bodies and can propagate therein to the optical body light exit surface of the optical body.

Lamp unit, headlamp and vehicle
12385617 · 2025-08-12 · ·

Provided are lamp unit for headlamp, headlamp including lamp unit, and vehicle including headlamp. Lamp unit includes: lower beam light source, wherein the lower beam light source is configured to emit lower beams; high beam light source, wherein the high beam light source is configured to emit high beams; light distribution member, wherein the light distribution member includes lower beam reflecting surface, wherein the lower beam reflecting surface is configured to reflect part of the lower beams and guide them toward front of the lamp unit; and high beam reflecting surface, wherein the high beam reflecting surface is configured to reflect part of the high beams and guide them toward the front of the lamp unit; and lens, wherein the lens is arranged in front direction of the light distribution member and configured to refract the lower beams and the high beams to front of vehicle including the headlamp.

Illumination device for a vehicle headlamp

Illumination device (10) for a motor vehicle headlamp for generating a low beam, wherein a vertical extension of the low beam extends along a VV-line from at least 0 down to at least 10 on the VV-line, said illumination device (10) comprises: an optic body (100) comprising a common light input section (110), a light output section (130) and a shell surface (140) limiting the optic body (100), a projection lens system (200) configured to project the light-rays in front of the illumination device (10), wherein the projection lens system (200) in combination with the optic body (100) are configured to generate the low beam illuminated by the projection lens system (200), wherein the optic body (100) comprises a first set of optically operative surfaces for guiding light-rays along a first light-ray path (LR1), wherein the first set of operative surfaces comprises a first and second light deflection surface (300a, 300b), and a first light exit surface (300c), wherein the first and second light deflection surfaces (300a, 300b) are arranged on the shell surface (140), and wherein the first light exit surface (300c) is arranged on the light output section (130), wherein light rays following the first light-ray path (LR1) are incident on the first deflection surface (300a) and are deflected to the second deflection surface (300b), and wherein light-rays incident on the second deflection surface (300b) are deflected to the first light exit surface (300c), and wherein light-rays emitted by the first light exit surface (300c) contribute to generate a first part of the low beam, and wherein the optic body (100) comprises a second set of optically operative surfaces for guiding light-rays along a second and a third light-ray path (LR2, LR3), wherein the second set of optically operative surfaces comprises a third deflection surface (400a) and a second light exit surface (400b), wherein the third deflection surface (400a) is arranged on the shell surface (140) and the second light exit surface (400b) is arranged on the light output section (130) separate from the first light exit surface (300c), wherein light-rays following the second light-ray path (LR2) are incident on the third deflection surface (400a) and are deflected to the second light exit surface (400b) f

Illumination device for a motor vehicle headlight and motor vehicle headlight

An illumination device for a motor vehicle headlight for producing light distribution with a cut-off line is provided. The illumination device has a light source, a light-permeable body, a light injection element for injecting light emitted by the light source into the light-permeable body, and a projection device, which has a focal surface and an optical axis. First and second optical exit structures are provided on a lower boundary surface of the body, which are configured such that light from the light source strikes an optical exit structure, exits the light-permeable body, propagates outside the light-permeable body to the projection device, and directly strikes the projection device and is thereby projected as sign light light beams into a region located above the cut-off line and forms a sign light light distribution. Two sign light light beams are projected in different partial regions of the region above the cut-off line.

Illumination device for vehicle headlamps
12510223 · 2025-12-30 · ·

An illumination device, for vehicle headlamps, includes a light source, a shutter device, and a projection lens. The shutter device has a first shutter body with a first shutter plane including a first shutter edge, and a second shutter body with a second shutter plane including a second shutter edge. The first and second shutter bodies are arranged such that their shutter edges build a common shutter edge, which generates a cut-off line of a light distribution. The shutter device is configured to transition the first and second shutter edges between (i) aligned positions wherein the common shutter edge contributes to generate a straight cut-off line, and (ii) non-aligned positions wherein the common shutter edge contributes to generate a cut-off line deviating from a straight cut-off line. The transition is performed by rotation of the first and/or second shutter body about a common rotation axis by a rotation device.

Vehicle lamp
12522128 · 2026-01-13 · ·

The vehicle lamp can include: a projection lens; an upper separator disposed behind the projection lens and above the optical axis of the projection lens; a lower separator disposed behind the projection lens and below the optical axis of the projection lens; a low beam light source; and a high beam light source; the upper separator includes a low beam light incident portion and a low beam exit surface; the lower separator includes a high beam light incident portion and a high beam exit surface; the focal point of the projection lens is positioned between the low beam exit surface and the high beam exit surface; the optical length of the upper separator is longer than that of the lower separator.

Vehicle lamp

A vehicle lamp including a projection lens, which is configured so that the brightness of a light distribution pattern can be sufficiently ensured while achieving a lamp design in which the projection lens looks narrow in a lamp front view. The projection lens includes an emission surface having a vertically-long outer shape in the lamp front view. The light source unit is configured to cause light emitted from a light emitting element to be reflected by a reflector and enter the projection lens as light converging in a lamp left-right direction. The projection lens includes an incident surface formed wider than the emission surface and a pair of left and right standing wall surfaces formed so as to expand to both left and right sides while extending from both side edges of the emission surface toward a lamp rear.

Lighting device for a vehicle
12565975 · 2026-03-03 · ·

A lighting device for vehicles including a light source, a transparent light guide body with a light coupling area and a projection optics device. The shape of the lower light deflection surface deviates from the shape of a base surface. The shape of the base surface is such that if the lower light deflection surface would not deviate from the shape of the base surface in form of the first facet, the light reflected from the base surface would be projected from the projection optics device into a non-deviation region of the light distribution, wherein the non-deviation region contains a defined point of the light distribution. The first surface element is inclined with respect to the base surface such that light totally reflected by the first surface element is imaged in the light distribution by the projection optics device into an eraser region region below the defined point.