F21S41/336

Vehicle lamp
11242970 · 2022-02-08 · ·

A vehicle lamp having a light assembly and reflector assembly is provided. The light assembly has a light emitting diode (LED) mounted on a substrate to emit first and second solid angles. A reflective recycling surface is mounted on the substrate adjacent to the LED. The reflector assembly has a first reflector having a macro-focal reflective surface extending at the first solid angle relative to the LED and defines an output light pattern along an output optical axis. A second reflector has an ellipsoid reflective surface extending at the second solid angle relative to the LED and has a first focal point oriented at the LED and a second focal point oriented at the recycling surface. The second reflector reflects light emitted from the LED in the second solid angle back to the recycling surface. The recycling surface reflects light from the second reflector to be incident the first reflector.

Reflector for a supplementary beam
11242971 · 2022-02-08 · ·

A vehicle headlamp assembly, a reflector for the headlamp assembly, and a method for generating a supplementary beam using the reflector are provided. The vehicle headlamp assembly includes a light source and a reflector. The reflector includes a plurality of facets. Each facet of the plurality of facets is configured to contribute to a section of a beam pattern of a light beam of the headlamp assembly by reflecting light emitted by the light source.

Vehicular lamp unit
09739437 · 2017-08-22 · ·

A vehicular lamp unit has a substrate, a light source having a first light-emitting element and a second light-emitting element disposed on the substrate, and an optical element having the light source attached thereto. The substrate is long in a first direction. The optical element radiates emitted light of the first and second light-emitting elements toward a front of the vehicular lamp unit, with a desired light distribution. A reference portion serving as a positioning reference for the optical element is provided in a part of the substrate. The first and second light-emitting elements are arranged in the first direction. The first light-emitting element illuminates an area having high light intensity of the light distribution. The second light-emitting element illuminates an area having low light intensity of the light distribution. The first light-emitting element is mounted at a position closer to the reference portion in the first direction than the second light-emitting element.

Light-source optical system, fiber light source, microscope, and automotive headlight
09739450 · 2017-08-22 · ·

A light-source optical system according to the present invention includes a laser light source that radiates excitation light; a wavelength conversion unit that is irradiated with the excitation light to generate light having a wavelength different from that of the excitation light; and a light deflection and convergence unit that causes an odd number of light beams greater than or equal to three, radiated from the wavelength conversion unit in mutually different directions, to converge at and re-enter the wavelength conversion unit from the backward direction of another light beam, radiated in a direction different from the directions of the odd number of light beams greater than or equal to three, thereby making the odd number of light beams greater than or equal to three overlap the other light beam.

Headlamp Assembly with a Housing and Heat Sink Structure

A headlamp assembly for a vehicle includes housing for coupling the headlamp assembly to a vehicle and a heat sink structure having a first side, a second side, a first edge, and a second edge. A first light emitting diode assembly and a second light emitting diode assembly are each electrically connected to a circuit board. The second edge of the heat sink structure directly contacts an inner surface of the housing, such that the housing is separated into first and second sections by the heat sink structure. Illumination of the first light emitting diode assembly results in a low beam and illumination of both the first light emitting diode assembly and the second light emitting diode assembly results in a high beam.

VEHICLE HEADLIGHT

A vehicle head lamp includes a spatial light modulator and a control device. The vehicle head lamp forms a desired light distribution pattern by radiating light forward via the spatial light modulator, a high luminous intensity region and a low luminous intensity region adjacent to an outer edge of the high luminous intensity region are formed in the desired light distribution pattern to be irradiated by controlling the spatial light modulator, the low luminous intensity region is configured such that the luminous intensity decreases gradationally from the outer edge of the high luminous intensity region toward an outside of the low luminous intensity region, and the control device controls the spatial light modulator so as to relatively change at least one of sizes, luminous intensities, and positions of the high luminous intensity region and the low luminous intensity region based on a traveling condition of a vehicle.

Light module for a vehicle headlamp

The invention relates to a light module for a vehicle headlamp, having at least one semiconductor light source and having at least one mounting plate. The semiconductor light source is accommodated on a receiving side of the mounting plate. The mounting plate is disposed on the heat sink with a cooling side lying opposite the receiving side, At least one semiconductor light source can be cooled. The heat sink has air guidance grooves on its side bordering the cooling side of the mounting plate, by means of which air guidance channels are formed over the cooling side of the mounting plate.

Exterior aircraft light unit and aircraft comprising the exterior aircraft light unit

An exterior aircraft light unit for emitting light of a first wavelength and light of a second wavelength, different from the first wavelength is disclosed. The exterior aircraft light unit has an integrated optical structure, which in turn has a first light source configured to emit the light of the first wavelength, a second light source configured to emit the light of the second wavelength, the second light source being positioned adjacent to the first light source, and an optical element for shaping a light emission distribution of the integrated optical structure. The optical element is arranged with respect to the first light source and the second light source in such a way that it affects both the light of the first wavelength and the light of the second wavelength.

Light module for motor vehicle daytime running light

A light module comprising a means for supporting at least one collector of light rays in the vicinity of which there is a light guide suitable for guiding the rays emitted by a light source from an input face to at least two distinct and adjacent output faces. A distinction is made between a main output face, through which the rays pass in a first direction, and at least one additional output face which is oriented such that the light rays leaving the guide through this additional output face are directed toward the collector, in a second direction distinct from the first direction.

VEHICLE LAMP
20170261171 · 2017-09-14 · ·

In a vehicle lamp in which a plurality of lamp units is arranged side by side in a direction intersecting with a lamp longitudinal direction, a central luminous intensity of a light distribution pattern is increased while securing a sufficient irradiation light quantity. A first additional reflector 34A configured to reflect the light from a second light emitting element 22B toward the front is disposed in the vicinity of a front end edge 24A1 of a first reflector 24A.