An optical element, comprising a light guide body. The light guide body comprises a plurality of light-incident parts arranged along a length extension direction of the light guide body, a light guide part and a light-emitting part; each light-incident part is provided with at least one light-incident unit; the light guide part is configured to guide light received by each light-incident unit to be emitted toward the light-emitting part; the shape of a forward projection plane of the light-emitting part is of a strip shape. The optical element can reduce the occupied space and improve the space utilization rate, facilitates reducing positioning mounting errors, has an appearance with a narrow and elongated shape, and can be applied in vehicle lamp modules, vehicle lamps and vehicles.

A projection lens has a first lens body including a first incidence section located at a side facing a first light source and an emission section located at a side opposite to the first incidence section, and a second lens body including a second incidence section located at a side facing the second light source, a refractive index of the second lens body is smaller than a refractive index of the first lens body, and a structure in which the first lens body and the second lens body abut each other while having first boundary surfaces, which are provided between the emission section and the second incidence section, and second boundary surfaces, which are provided between the first incidence section and the second incidence section from a boundary line with respect to the first boundary surfaces, interposed therebetween is provided.

A vehicle lamp includes a lamp unit which in turn includes a first lamp unit and a second lamp unit each provided with a light transmitting member and is configured to irradiate light emitted from a light emitting element toward a front of the vehicle lamp through the light transmitting member. In each of the first and second lamp units, the light transmitting member includes a direct light controller that directly emits light incident from the light emitting element onto the light transmitting member, toward the front of the vehicle lamp, and a total reflection controller that totally reflects the light and then emits the light toward the front of the vehicle lamp. A total reflection surface of the total reflection controller is divided into a plurality of reflection regions in a circumferential direction around the direct light controller.

A headlight for vehicles, with a light source, a reflector arrangement containing at least one reflector module, a first reflector, which has a reflector surface having a first focal point and a second focal point, the light source being arranged at the first focal point, and a second reflector, which has a reflector surface having a focal point that coincides with the second focal point of the first reflector. The first reflector is arranged in front of the light source in the main radiation direction, the reflector surface of the first reflector being curved, with a first opening portion arranged counter to the main radiation direction and with a second opening portion arranged in a manner offset by 90° in relation to the first opening portion and facing towards the second reflector. The reflector surface of the second reflector has free-form parts such that light striking the reflector surface of the second reflector is reflected in such a way that a light distribution having a predetermined light/dark boundary is produced.

A vehicle lamp assembly includes an LED disposed on a circuit board, a light collimator operatively coupled to the LED to generate a beam of collimated light, a light pipe operatively coupled to light collimator to transmit the collimated beam of light, and a hybrid optic lens operatively coupled to the light pipe to diverge the collimated beam of light into a beam pattern. The hybrid optic lens includes a plurality of curved lenses for outputting light in a first direction, a first prism lens formed on a lower portion of the curved lenses for directing light downward in a second direction, and a second prism lens provided on a lateral side of curved lenses for directing light sideways in a third direction. An enhanced light illumination with uniform lighting pattern in the trailer hitch target region is achieved for operation of a trailer with the vehicle.

The invention relates to a lighting module (2), in particular for a motor vehicle, comprising a main optical system (4) able to form a main light beam along an optical axis (10) of the lighting module, with an upper horizontal cut-off; a first complementary optical system (12) able to form a first complementary light beam along the optical axis (10), narrower than the main light beam and with an oblique lateral cut-off; a second complementary optical system (14) able to form an alternative, second complementary light beam along the optical axis (10), narrower than the main light beam and with an oblique lateral cut-off opposite the oblique lateral cut-off of the first complementary light beam.

The invention relates to an optical element including a resin body having a functional surface covered with a reflective coating capable of reflecting light beams, the reflective coating including a copper layer covering at least the functional surface, a nickel layer covering the copper layer, and a chromium layer covering the nickel layer.

A vehicle light guide 40 that guides light from a light source 10 toward a projection lens 30 includes an incident surface 41 on which light from the light source 10 is incident, a reflective surface 45 that reflects light from the incident surface 41, and an exit surface 44 that outputs light reflected on the reflective surface 45. The reflective surface 45 includes, on at least a part thereof, a light diffusing part 50 where at least either one of a plurality of convex parts 51 and a plurality of concave parts 52 that diffuse light are formed.

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.

The present disclosure relates to a vehicle lighting system, and discloses a headlight optical element. The headlight optical element includes a light incident portion, a transmission portion and a light emergent portion. The light incident portion includes at least one light incident structure; the transmission portion is arranged between the light incident portion and the light emergent portion, and includes a light transmitting portion located at the center, and light absorbing portions located on the periphery; and the light emergent portion includes a light emergent surface protruding outwards. The headlight optical element has the advantages of simple structure and convenient dimming. The present disclosure further discloses a headlight module adopting the headlight optical element, a vehicle headlight including the headlight module, and a vehicle adopting the vehicle headlight.