A headlamp assembly for illuminating surroundings of a vehicle, including at least one headlamp, a temperature sensor, and a control device. The at least one headlamp comprising a multiplicity of light sources, the multiplicity of light sources (being divided into a first group and at least one second group. The temperature sensor being configured to detect a temperature in the at least one headlamp. The light sources of the multiplicity of light sources being thermally coupled. The control device being configured to ascertain a current temperature ascertained by the temperature sensor in the at least one headlamp and, in the case that the current temperature in the at least one headlamp exceeds a predefined temperature threshold value, to select the first group or the at least one second group for a power reduction, depending on an operating situation of the vehicle and to reduce the power of the selected group.

A light source device using a polarity of a material may include a transparent frame forming an inner space accommodating a nonpolarity material and a polarity material; a light source portion irradiating light through the nonpolarity material or the polar material accommodated in the transparent frame; and an electromagnet configured to switch respective positions of the nonpolarity material and the polar material by a magnetic force generated as a current is applied from outside of the light source device.

A light source device using a polarity of a material may include a transparent frame forming an inner space accommodating a nonpolarity material and a polarity material; a light source portion irradiating light through the nonpolarity material or the polar material accommodated in the transparent frame; and an electromagnet configured to switch respective positions of the nonpolarity material and the polar material by a magnetic force generated as a current is applied from outside of the light source device.

A vehicle headlamp includes a plurality of light emitting elements; a plurality of first lenses; and a plurality of second lenses. The first lens includes a first lens entrance and a first lens exit, and is configured to converge light entered the first lens entrance from the light emitting element on the first lens exit. The second lens includes a second lens entrance facing the first lens exit of the first lens and the second lens exit having a projection shape for forming a focal point. The focal point of the second lens is positioned at a side of the second lens ahead the first lens exit of the first lens.

A vehicle headlamp includes a plurality of light emitting elements; a plurality of first lenses; and a plurality of second lenses. The first lens includes a first lens entrance and a first lens exit, and is configured to converge light entered the first lens entrance from the light emitting element on the first lens exit. The second lens includes a second lens entrance facing the first lens exit of the first lens and the second lens exit having a projection shape for forming a focal point. The focal point of the second lens is positioned at a side of the second lens ahead the first lens exit of the first lens.

A headlight for a vehicle having good heat dissipation performance includes a plurality of lens units, each including a plurality of light emitting devices, and lenses arranged so as to face the respective plural light emitting devices. The plurality of light emitting devices include first light emitting devices arranged on an inner side of the vehicle and having a first light emitting area and second light emitting devices arranged on an outer side of the vehicle having a second light emitting area. A first light distribution emitted from first lens units having the first light emitting devices and a second light distribution emitted from second lens units having the second light emitting devices are included, and the second light emitting area is smaller than the first light emitting area as well as a range of the second light distribution is smaller than a range of the first light distribution.

A headlight for a vehicle having good heat dissipation performance includes a plurality of lens units, each including a plurality of light emitting devices, and lenses arranged so as to face the respective plural light emitting devices. The plurality of light emitting devices include first light emitting devices arranged on an inner side of the vehicle and having a first light emitting area and second light emitting devices arranged on an outer side of the vehicle having a second light emitting area. A first light distribution emitted from first lens units having the first light emitting devices and a second light distribution emitted from second lens units having the second light emitting devices are included, and the second light emitting area is smaller than the first light emitting area as well as a range of the second light distribution is smaller than a range of the first light distribution.

The invention relates to a headlamp (1) for a motor vehicle, with a first semiconductor light source (2) for generating a first radiation, with a second semiconductor light source (3) for generating a second radiation, and with an optical coupling device (4) to couple the generated radiations, which coupling device comprises a first and a second coupling surface (5, 6), wherein a converter element (8) for converting a primary radiation emitted by the first semiconductor light source (2) into the generated first radiation is arranged in an optical path between the first semiconductor light source (2) and the first coupling surface (5) in order to improve the light quality of the headlamp.

The invention relates to a headlamp (1) for a motor vehicle, with a first semiconductor light source (2) for generating a first radiation, with a second semiconductor light source (3) for generating a second radiation, and with an optical coupling device (4) to couple the generated radiations, which coupling device comprises a first and a second coupling surface (5, 6), wherein a converter element (8) for converting a primary radiation emitted by the first semiconductor light source (2) into the generated first radiation is arranged in an optical path between the first semiconductor light source (2) and the first coupling surface (5) in order to improve the light quality of the headlamp.

A headlight device is a headlight device for a vehicle, including a light source unit to include a plurality of light-emitting units respectively emitting light having spectral distributions different from each other and to emit illuminating light having a combined spectral distribution as a combination of the spectral distributions of the plurality of light-emitting units, an acquisition unit to acquire environment information indicating a surrounding environment around an illumination region formed by the headlight device, and a control unit to control the spectral distributions of the plurality of light-emitting units based on the environment information acquired by the acquisition unit.