A vehicular lamp includes a plurality of light-emitting elements arranged such that light-emitting surfaces of the light-emitting elements face toward a front of the vehicular lamp; and a projection lens having a plurality of projection regions that face the respective light-emitting elements, and project light source images of the respective light-emitting elements facing the projection regions, to the front of the vehicular lamp. A lamp rear surface of the projection lens has protruding portions provided in the respective projection regions, the protruding portions protruding toward the respective light-emitting elements facing the protruding portions. A lamp front surface of the projection lens is flatter than the lamp rear surface.

A vehicle lighting appliance lens, a vehicle lighting appliance unit, and a vehicle lighting appliance device each includes an incidence part, a second reflective surface, a cutoff-line forming part, and an emission surface. The cutoff-line forming part is provided in the left-right direction of a vehicle. As a result, the flowability of resin is improved, the control of a low-beam light distribution pattern is improved, and a cutoff line without warping is formed.

A vehicle light fixture system includes: a low-beam unit adapted to form a low-beam light distribution pattern having a cutoff line and to independently adjust illuminance in a plurality of subareas in the low-beam light distribution pattern arranged below and along the cutoff line; and a light distribution control device that controls the low-beam unit to form a first reduced illuminance portion in, of the plurality of subareas, the subarea having a position in a vehicle width direction overlapping a position of a vehicle in front in the vehicle width direction.

The invention relates to a light distribution control method and a light distribution control device in which plural illumination regions are arranged in the left-right direction and illuminated by a headlamp in an ADB light distribution pattern, and vehicle positions of a vehicle ahead are detected and selected ones of the plural illumination regions are reduced in light quantity according to the detected vehicle positions. In this method and device, corrected vehicle positions are set that are obtained by adding margins to the detected vehicle positions in the left and right directions, respectively, and compared with the plural illumination regions. Illumination regions where the vehicle ahead exists are reduced in light quantity.

A light path processing element, comprising an element main body having a cut-off portion, wherein the element main body is a double-sided reflecting plate, or has a protrusion on one side and a reflecting surface on the other side. A headlamp module, comprising a low-beam illumination unit, a high-beam illumination unit, a collimating optical device, and the light path processing element, wherein light rays emitted by the low-beam illumination unit and the high-beam illumination unit can form low-beam and high-beam light patterns under the action of the light path processing element, and the low-beam and high-beam light patterns can be quickly and noiselessly switched between without needing to move the light path processing element. Further disclosed are a vehicle lamp including the headlamp module, and a vehicle including the vehicle lamp.

A vehicle lighting appliance lens, a vehicle lighting appliance unit, and a vehicle lighting appliance device each includes an incidence part, a second reflective surface, a cutoff-line forming part, and an emission surface. The cutoff-line forming part is provided in the left-right direction of a vehicle. As a result, the flowability of resin is improved, the control of a low-beam light distribution pattern is improved, and a cutoff line without warping is formed.

The invention relates to a lighting unit for use in conjunction with a light module of a motor vehicle lighting device. The light module is designed to produce a dimmed light distribution with a substantially horizontal cut-off line. The lighting unit has a light source that can be switched independently from the light module and an optical assembly that is assigned to the light source and is designed to deflect light emitted by the light source and to generate overhead lighting with a defined level of illumination which is spatially limited at least towards an oncoming traffic side in an overhead area above the cut-off line of the dimmed light distribution.

A vehicle light module includes a light source assembly, a driving assembly, and a shielding assembly. The driving assembly is connected to the shielding assembly. The light source assembly is configured to send a first beam to the shielding assembly, where the shielding assembly is located on a transmission optical path of the first beam. The driving assembly is configured to drive, according to a driving instruction, the shielding assembly to move, to change a relative position between the shielding assembly and the first beam. A second beam emitted from the shielding assembly is displayed on a path around the vehicle in a target light pattern. The shielding assembly includes at least one movable member, at least a part of the first beam is illuminated on the at least one movable member, and a shape of a cross section of the second beam corresponds to the target light pattern.

A reflecting mirror, a projection assembly, a vehicle lamp and a vehicle. The reflecting mirror includes a light-reflecting surface. an intersection line of the light reflecting surface intersecting with a horizontal plane is a first intersection line, and the first intersection line satisfies: the following equation, where

[00001]$\left(0,\frac{a}{4}\right)$

is a focal of the light-reflecting surface, a is a constant greater than zero, l is a constant greater than zero, is an angle value greater than 0 and less than 90, x is an independent variable, x(l, l), and f(x) is a dependent variable changing with x.

[00002]$\{\begin{array}{c}\frac{\tan \frac{-x}{l}.Math.{\left(\frac{df\left(x\right)}{dx}\right)}^2+2.Math.\frac{df\left(x\right)}{dx}+\tan \frac{-x}{l}}{{\left(\frac{df\left(x\right)}{dx}\right)}^2-2\tan \frac{-x}{l}.Math.\frac{df\left(x\right)}{dx}+1}=\frac{x}{f\left(x\right)-\frac{a}{4}};\\ f\left(0\right)=0\end{array}$

The invention is to irradiate a light distribution pattern with an appropriate illuminance. A vehicle light-guiding body includes an incidence surface, a first reflection surface internally reflecting incident light, a second reflection surface internally reflecting the light reflected by the first reflection surface forward, a light blocking part blocking a portion of the light reflected by the second reflection surface, an adjustment surface extending forward from a front side end of the second reflection surface, a transmission surface provided in a state of extending upward in an up-down direction from the front side end of the adjustment surface and transmitting a portion of light reflected by the second reflection surface to a light-guiding body outer part, a connection surface connecting the transmission surface and the light blocking part, and internally reflecting a portion of the light internally reflected by the second reflection surface, a re-incidence surface, and an emission surface.