The present disclosure relates to a vehicle lighting system, and discloses a vehicle lighting device. The vehicle lighting device includes a bracket, a plurality of rotating arms and a plurality of lighting modules. The rotating arms include driving columns and rotating shafts; the plurality of lighting modules are mounted on the plurality of rotating arms respectively, and the rotating shafts are rotationally mounted on the bracket, so that the rotating arms can be independently driven by the driving columns to rotate around the rotating shafts; and the rotating shafts are horizontally arranged in parallel. The lighting modules can independently and synchronously rotate up and down, the adjustment range of a light pattern position is wide, an occupied space in a headlight is small, and control is convenient. The present disclosure further discloses a vehicle headlight including the vehicle lighting device, and a vehicle.

The present disclosure relates to vehicle lighting devices, and discloses a headlight optical element. The headlight optical element includes a light incident portion, a light transmitting portion and a light emergent portion which are connected in sequence, wherein the light incident portion includes a plurality of light incident surfaces connected sequentially in a left-right direction; the light incident surfaces are curved surfaces protruding backwards in the optical axis direction; and light emergent surfaces are curved surfaces protruding forwards in the optical axis direction. In addition, the present disclosure further discloses a headlight module, a vehicle headlight and a vehicle. The headlight optical element provided by the present disclosure is small in size, high in optical precision, accurate in light pattern, convenient to mount and low in cost.

A lighting module for use in a lighting device for a vehicle, having at least one light source unit, a first optical unit and a second optical unit as well as at least one support element, wherein the light source unit comprises at least one light source, and wherein at least the first optical unit and the second optical unit are arranged, in particular in a positionally fixed manner, on the support element, and wherein at least one first reference mark is provided on the first optical unit and at least one second reference mark on the second optical unit. In addition, the invention relates to a lighting device as well as to a method.

A vehicle lamp includes a substrate, a lens having a pivotal attachment to the substrate and defining a lamp chamber between the lens and the substrate, at least one light source provided in the lamp chamber, an alignment portion integral with and extending from the lens parallel to the substrate and having an aperture, and an adjustment mechanism extending through the aperture and the substrate, the adjustment mechanism configured to adjust alignment of the lens with a single-point adjustment.

A light emitting device includes: a light emitting unit; an optical member configured to transmit or pass light emitted by the light emitting unit, the optical member including: a first region configured to transmit or pass light having a first chromaticity; and a second region configured to transmit or pass light having a second chromaticity different from the first chromaticity; and a movable member configured to move to change a distance between the light emitting unit and the optical member along an optical axis of the light emitting unit.

An automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member and a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized and reflector optics arranged at the front portion, wherein the solid-state light sources are configured to emit light towards the reflector optics, the reflector optics including a first reflector optic portion and a second reflector optic portion and wherein each of a plurality of first reflective surfaces disposed on the first reflector optic portion extend in an annular region around the longitudinal direction from the plurality of solid-state light sources towards the first reflector optic portion.

Disclosed in an embodiment are a semiconductor device and a head lamp comprising the same, the semiconductor device comprising: a substrate; a plurality of semiconductor structures arranged at a center part of the substrate; first and second pads arranged at an edge part of the substrate; a first wiring line electrically connecting at least one of the plurality of semiconductor structures to the first pad; a second wiring line electrically connecting at least one of the plurality of semiconductor structures to the second pad; and a wavelength conversion layer arranged on the plurality of semiconductor structures, wherein the plurality of semiconductor structures is arranged to be spaced apart from each other in a first direction and a second direction, the first direction and the second direction cross each other, the interval distance between the plurality of semiconductor structures is 5 μm to 40 μm and the thickness of the wavelength conversion layer is 1 μm to 50 μm.

A light source device includes: a light-shielding member defining an opening; a light-guide member located in the opening in a top view and including two or more divided lens portions; and a plurality of light-emitting parts disposed such that each of the plurality of light-emitting parts corresponds to a respective one of the lens portions, each of the plurality of light-emitting parts being configured to be individually turned on. Each of the light-emitting parts has an upper surface serving as a light-emitting surface. The two or more lens portions are Fresnel lenses. Irradiation areas corresponding to the light-emitting parts are at least partially different from each other.

A dimming mechanism, which is used for dimming a lighting unit and includes a fixed ball head connecting piece, a first adjustable ball head connecting piece, and a second adjustable ball head connecting piece; one end of the fixed ball head connecting piece is connected to the lighting unit, and the other end is connected to a support frame or lamp body; one end of the first adjustable ball head connecting piece is connected to the lighting unit, and the other end is supported on the support frame or lamp body; and a sliding slot is provided on the lighting unit, and one end of the second adjustable ball head connecting piece (1c) is slidingly connected to the sliding slot so that the sliding slot is, by means of the back and forth motion of the second adjustable ball head connecting piece, driven to rotate, and the lighting unit is, by means of the rotation of the sliding slot, driven to rotate so as to achieve dimming in a second direction. Further disclosed are a vehicle lamp module comprising a dimming mechanism, a vehicle lamp, and a vehicle. The dimming mechanism can achieve the miniaturization of the dimensions of the vehicle lamp module in the second direction, and can improve the precision of dimming in the second direction.

A lighting and signaling device for automotive vehicles, comprising a container body delimiting a containment housing closed by a lenticular body, which accommodates at least one first light source and is closed by a lenticular body, a first light guide configured to receive as input at least partially the light beam produced by the first light source, transmits the light beam by total internal reflection along a first prevailing propagation direction and sends it as output from the lenticular body. A fixing and/or screen element, opaque to the light beam is associated with the first light guide at a first interface wall, and is fixed either directly or indirectly onto the container body to mechanically block the first light guide onto the container body. The first light guide is mechanically fixed to the fixing and/or screen element by at least one first welding portion which projects from the first interface wall.