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.

The present invention provides a photosensitive composition with which a cured film having excellent patterning properties and excellent electrode anticorrosion properties can be produced. In addition, it also provides a cured film formed of the photosensitive composition, a color filter, a light shielding film, an optical element, a solid-state imaging element, an infrared sensor, and a headlight unit.

The photosensitive composition of the present invention contains a zirconium nitride-based particle containing one or more selected from the group consisting of zirconium nitride and zirconium oxynitride a resin, a polymerizable compound, and a photopolymerization initiator, in which the zirconium nitride-based particle contains 0.001% to 0.400% by mass of a Fe atom with respect to a total mass of the zirconium nitride-based particle.

A movable shade mechanism for a vehicular headlight and a vehicular headlight capable of reducing the entire weight while enhancing rigidity of a bracket is provided. A movable shade mechanism for a vehicular headlight includes a shade member rotating around a rotary shaft and adjusting a shielding amount of light from a light source, a drive unit to generate power to drive the shade member, a transmission member to transmit power of the drive unit to the shade member, and a plate bracket to hold the rotary shaft and the drive unit, wherein the bracket includes a base that is disposed along a horizontal plane in a vehicle-mounted state and supports the drive unit, and a shade support that is bent upwardly from a rear end of the base in the vehicle-mounted state and supports the rotary shaft.

A movable shade mechanism for a vehicular headlight and a vehicular headlight capable of reducing the entire weight while enhancing rigidity of a bracket is provided. A movable shade mechanism for a vehicular headlight includes a shade member rotating around a rotary shaft and adjusting a shielding amount of light from a light source, a drive unit to generate power to drive the shade member, a transmission member to transmit power of the drive unit to the shade member, and a plate bracket to hold the rotary shaft and the drive unit, wherein the bracket includes a base that is disposed along a horizontal plane in a vehicle-mounted state and supports the drive unit, and a shade support that is bent upwardly from a rear end of the base in the vehicle-mounted state and supports the rotary shaft.

Projection device (10) for a motor vehicle headlight, which projection device (10) comprises the following: projection optics (50), a shield element (100), a base body (200), wherein the shield element (100) can be pushed onto the base body (200) along a push-on direction (X) by means of guide elements (110) onto the base body (200), wherein the guide elements (110) engage in counter-guide elements (210), and wherein the guide elements (110) have an end stop (111) and the counter-guide elements (210) have a stop (211), which stops (211) are designed in combination with the end stops (111) to limit the movement of the shield element (100) in the direction of the push-on direction (X) towards an end position, wherein the projection device (10) comprises at least one clamping device, which comprises a first and a second clamping element (120a, 220a), wherein the first clamping element (120a) is designed to engage the second clamping element (220a), and wherein the at least one clamping device is designed to clamp the shield element (100) in its end position on the base body (200).

Projection device (10) for a motor vehicle headlight, which projection device (10) comprises the following: projection optics (50), a shield element (100), a base body (200), wherein the shield element (100) can be pushed onto the base body (200) along a push-on direction (X) by means of guide elements (110) onto the base body (200), wherein the guide elements (110) engage in counter-guide elements (210), and wherein the guide elements (110) have an end stop (111) and the counter-guide elements (210) have a stop (211), which stops (211) are designed in combination with the end stops (111) to limit the movement of the shield element (100) in the direction of the push-on direction (X) towards an end position, wherein the projection device (10) comprises at least one clamping device, which comprises a first and a second clamping element (120a, 220a), wherein the first clamping element (120a) is designed to engage the second clamping element (220a), and wherein the at least one clamping device is designed to clamp the shield element (100) in its end position on the base body (200).

To provide a vehicle lamp that, without providing an additional light blocking member, is capable of blocking light emission that is not routed via a lens or reflector for light distribution control, with a simple and compact configuration. It is provided with a first substrate 61b on which a first light source 61a is mounted that emits first light L1 towards the front of the lamp, a second substrate 62b provided in non-parallel to the first substrate 61b, wherein a second light source 62a for emitting second light L2 in a direction different from the direction of the first light L1 is mounted on the second substrate, and a rotating reflector 8 that rotates a reflective surface about a rotating shaft, the reflective surface reflecting the second light L2, wherein part of the first light L1 is blocked by a protruding portion 62c provided where one end of the second substrate 62b protrudes in the direction of emission of the first light L1 beyond the point of intersection where the extension of the first substrate 61b intersects the second substrate 62b.

A system may have lights. A light may include a first light source and a first reflector configured to provide lighting for a high-beam mode and for a low-beam mode. The light may include a second light source and a second reflector configured to provide lighting for a cornering light mode. The lighting provided by the first light source and the lighting provided by the second light source may pass through the same headlight lens aperture. A light blocking structure may provide a cutoff pattern that define the illumination pattern of the low-beam lighting and the cornering lighting. One or more additional light sources may be provided to boost the intensity of a hot spot for high-beam lighting.

A system may have lights. A light may include a first light source and a first reflector configured to provide lighting for a high-beam mode and for a low-beam mode. The light may include a second light source and a second reflector configured to provide lighting for a cornering light mode. The lighting provided by the first light source and the lighting provided by the second light source may pass through the same headlight lens aperture. A light blocking structure may provide a cutoff pattern that define the illumination pattern of the low-beam lighting and the cornering lighting. One or more additional light sources may be provided to boost the intensity of a hot spot for high-beam lighting.

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.