An illumination system is arranged to output a light beam for illuminating a scene. The system comprises a spatial light modulator arranged to receive incident light, and to output light comprising a first component and a second component. The first component comprises incident light that is output without modulation by the spatial light modulator. The second component comprises incident light that is spatially-modulated according to a hologram and output by the spatial light modulator. A control device is operable to control the proportion of light output by the spatial light modulator that corresponds to the second component.

The invention relates to an illumination device (51, 52, 53) for a motor vehicle headlight, which illumination device comprises: an illumination means (100) wherein the light beams thereof can be collimated by at least one lens system (200); a polarising beam splitter (300), which divides the collimated light beams into a first and a second linearly polarised beam path (310, 320); a first means for polarisation rotation (400) which is configured to rotate the polarisation direction of the second beam path (320), such that the second beam path (320) has the polarisation direction of the first beam path (310); a reflective means (350) which is configured to deflect the first beam path (310); a single second means for polarisation rotation (600), having at least one segment which can be placed in an active and an inactive state by means of electrical signals; a polarisation filter means (610) which is configured to transmit or block the light beams that have been rotated in terms of their polarisation by the second means for polarisation rotation (600); and at least one projection lens (700) which is provided to generate a light distribution or a partial light distribution of a lighting function in front of a motor vehicle.

The invention relates to an illumination device (51, 52, 53) for a motor vehicle headlight, which illumination device comprises: an illumination means (100) wherein the light beams thereof can be collimated by at least one lens system (200); a polarising beam splitter (300), which divides the collimated light beams into a first and a second linearly polarised beam path (310, 320); a first means for polarisation rotation (400) which is configured to rotate the polarisation direction of the second beam path (320), such that the second beam path (320) has the polarisation direction of the first beam path (310); a reflective means (350) which is configured to deflect the first beam path (310); a single second means for polarisation rotation (600), having at least one segment which can be placed in an active and an inactive state by means of electrical signals; a polarisation filter means (610) which is configured to transmit or block the light beams that have been rotated in terms of their polarisation by the second means for polarisation rotation (600); and at least one projection lens (700) which is provided to generate a light distribution or a partial light distribution of a lighting function in front of a motor vehicle.

This disclosure relates to a driver assistance system for a motor vehicle comprising a vehicle headlight, which is designed to illuminate the surroundings of the motor vehicle, and an image capture unit, which is designed to evaluate light having a pre-definable first polarization direction for generating image data as a function of the surroundings of the motor vehicle. The vehicle headlight is designed, during normal operations, in which a pre-definable light output is provided by the vehicle headlight, according to a pre-definable modulation pattern and/or with a pre-definable portion of the light output, to generate linearly polarized light with a second polarization direction to provide lighting for the surroundings. In addition, this disclosure relates to a motor vehicle with such a driver assistance system and a corresponding method.

This disclosure relates to a driver assistance system for a motor vehicle comprising a vehicle headlight, which is designed to illuminate the surroundings of the motor vehicle, and an image capture unit, which is designed to evaluate light having a pre-definable first polarization direction for generating image data as a function of the surroundings of the motor vehicle. The vehicle headlight is designed, during normal operations, in which a pre-definable light output is provided by the vehicle headlight, according to a pre-definable modulation pattern and/or with a pre-definable portion of the light output, to generate linearly polarized light with a second polarization direction to provide lighting for the surroundings. In addition, this disclosure relates to a motor vehicle with such a driver assistance system and a corresponding method.

To prevent a decrease in luminance of the flashed high-beam headlights caused by ambient temperature in a vehicle headlight system using a liquid crystal element. The vehicle headlight system for selectively irradiating light in front of an own vehicle includes: a light source; a liquid crystal element for forming an image using light from the light source where the liquid crystal element is a normally closed liquid crystal element having a relatively low transmittance when no voltage is applied thereto; a driving circuit for driving the liquid crystal element; and a control part that determines whether or not the light source is in a light-off state and controls the driving circuit to set the liquid crystal element to a transmission state when the light source is in the light-off state.

The present invention relates to a vehicle headlight that ensures improving usage efficiency of light focusing of light emitted from a light source. A vehicle headlight (1) has a main reflecting mirror (10) having an elliptic main reflecting surface (10a) and a light source (8) positioned at a first focal point (F1) of the main reflecting surface (10) and disposed opposed to the main reflecting surface (10). The vehicle headlight includes a reflection type polarizing plate (13) disposed between the main reflecting mirror (10) and a second focal point (F2) of the main reflecting mirror (10), an auxiliary reflecting mirror (11) that is disposed opposed to the reflection type polarizing plate (13) and reflects reflected polarized light (B12) by the reflection type polarizing plate (13) again to focus the reflected polarized light at the second focal point (F2) of the main reflecting surface (10), and a quarter-wave plate (14) that is disposed between the reflection type polarizing plate (13) and the auxiliary reflecting mirror (11) and disposed between the auxiliary reflecting mirror (11) and the second focal point (F2) of the main reflecting mirror (10).

The present invention relates to a vehicle headlight that ensures improving usage efficiency of light focusing of light emitted from a light source. A vehicle headlight (1) has a main reflecting mirror (10) having an elliptic main reflecting surface (10a) and a light source (8) positioned at a first focal point (F1) of the main reflecting surface (10) and disposed opposed to the main reflecting surface (10). The vehicle headlight includes a reflection type polarizing plate (13) disposed between the main reflecting mirror (10) and a second focal point (F2) of the main reflecting mirror (10), an auxiliary reflecting mirror (11) that is disposed opposed to the reflection type polarizing plate (13) and reflects reflected polarized light (B12) by the reflection type polarizing plate (13) again to focus the reflected polarized light at the second focal point (F2) of the main reflecting surface (10), and a quarter-wave plate (14) that is disposed between the reflection type polarizing plate (13) and the auxiliary reflecting mirror (11) and disposed between the auxiliary reflecting mirror (11) and the second focal point (F2) of the main reflecting mirror (10).

A vehicular lamp includes a laser light source configured to radiate a laser beam, a wavelength conversion member configured to receive the laser beam and radiate white light, and a lens body disposed between the laser light source and the wavelength conversion member and configured to emit the white light, wherein the lens body has a laser beam incident surface configured to allow incidence of the laser beam, a white light incident surface configured to emit the laser beam from inside of the lens body and to allow incidence of the white light radiated from the wavelength conversion member, and an emission surface configured to emit the white light, and the wavelength conversion member is disposed to be separated from the white light incident surface.

A vehicular lamp includes a laser light source configured to radiate a laser beam, a wavelength conversion member configured to receive the laser beam and radiate white light, and a lens body disposed between the laser light source and the wavelength conversion member and configured to emit the white light, wherein the lens body has a laser beam incident surface configured to allow incidence of the laser beam, a white light incident surface configured to emit the laser beam from inside of the lens body and to allow incidence of the white light radiated from the wavelength conversion member, and an emission surface configured to emit the white light, and the wavelength conversion member is disposed to be separated from the white light incident surface.