F21S41/18

VEHICLE LAMP
20180010758 · 2018-01-11 ·

Disclosed is a vehicle lamp including a pair of lamp modules configured to form a pair of left and right light distribution patterns by irradiation light therefrom. Each lamp module includes a first lamp unit that uses a light emitting diode as a light source and a second lamp unit that uses a laser diode as a light source, a pair of first light distribution patterns is formed by irradiation light from the first lamp unit, and a pair of second light distribution patterns, which is smaller and brighter than the first light distribution patterns, is formed by irradiation light from the second lamp unit. The first light distribution patterns are formed with a predetermined distance therebetween in a left-and-right direction, the second light distribution patterns are formed to partially overlap each other between the pair of first light distribution patterns and to partially overlap the first light distribution patterns.

Lighting apparatus for a motor vehicle headlamp

A lighting device (10) for a motor vehicle headlamp, which lighting device comprises the following: at least one first light source (50) for radiating light beams in a first radiation direction (X1), a first deflection device (100) with a deflection surface (110), which is set up to deflect at least a portion of the light beams of the at least one first light source (50) in a second radiation direction (X2), and a second deflection device (200) with a multiplicity of deflection elements which can be controlled and moved independently of one another for deflecting at least a portion of the light beams of the light beams deflected by the first deflection device (100) in a third radiation direction (X3) and for creating a light distribution in front of the lighting device (10), wherein the first deflection device (100) comprises at least one second light source (60), which at least one second light source (60) has a main radiation direction in which light beams of the second light source can be emitted, wherein the at least one second light source (60) is arranged on the deflection surface (110) of the first deflection device (100) in such a manner that the main radiation direction is parallel to the second radiation direction (X2).

Lighting system of an automotive vehicle having high and low resolution pixelated beams
11585509 · 2023-02-21 · ·

The present invention relates to a lighting system for a motor vehicle. The lighting system comprises at least one first light emitting device mounted on a front right side of the vehicle and adapted to project in front of the vehicle a first pixelated light beam. The lighting system further comprises at least one second light emitting device mounted on a front left side of the vehicle and adapted to project in front of the vehicle a second pixelated light beam. One of the first pixelated light beam and second pixelated light beam, called high resolution beam, has a number of pixels greater than or equal to at least five times, in particular greater than or equal to at least ten times, the number of pixels of the other of said pixelated light beams, called low resolution beam.

Selectively frosted optical element for beam shaping
11629842 · 2023-04-18 · ·

An apparatus can include a lens that can shape light emerging from a light emitting diode (LED). The emergent light from the LED can be substantially centered around an LED axis. An incident surface of the lens can be positioned to face the LED. The incident surface can include a concave portion. The concave portion can be substantially smooth, so as not to substantially scatter light that strikes the concave portion. The concave portion can be substantially centered around a concave portion axis that is non-coaxial with the LED axis. The incident surface can include a scattering portion, positioned away from the concave portion, which can be textured so as to scatter light that strikes the scattering portion. An exiting surface of the lens can optionally include a generally planar portion that at least partially surrounds a substantially smooth convex portion.

Hybrid headlamp systems and methods
11619360 · 2023-04-04 · ·

A headlamp assembly includes a low beam assembly configured to generate a low beam distribution that includes a first low beam module having a first laser solid state light source that is optically configured to emit a first luminous intensity distribution and a second laser solid state light source that is optically configured to emit a second luminous intensity distribution, and a second low beam module having a solid state light source that is optically configured to emit a third luminous intensity distribution, which at least partially overlaps at least one of the first and second luminous intensity distributions; the headlamp assembly also having a high beam assembly configured to generate a high beam distribution.

Method of operating a headlight having a laser light source in a motor vehicle

A method is provided for operating a headlight having a laser light source in a motor vehicle. The headlight generates a light distribution from the light of the laser light source. The laser light source is activated such that the operating power of the laser light source is switched from a first power value to a deactivated operating state or is lowered to a second power value when the speed of the motor vehicle falls below a first speed threshold. The operating power of the laser light source is increased from the deactivated operating state or from the second power value to the first power value, when the speed of the motor vehicle exceeds a second speed threshold, which is greater than or equal to the first speed threshold.

Lighting device having semiconductor light source and at least one incandescent filament
11262029 · 2022-03-01 · ·

A lighting device includes at least one semiconductor light source, at least one incandescent filament configured to emit electromagnetic radiation when energized, and a carrier supporting both the semiconductor light source and the incandescent filament. A screen is defined by the carrier between the semiconductor light source and the incandescent filament, so as to shield the semiconductor light source from the electromagnetic radiation emitted by the incandescent filament. The incandescent filament connected in series with the at least one semiconductor light source.

LIGHTING SYSTEM WITH OPTIMISED INTENSITY PROFILE FOR MOTOR VEHICLE HEADLIGHT
20170307162 · 2017-10-26 · ·

A lighting system for a motor vehicle, which is intended for emitting a light beam. The beam comprises at least two illuminated areas, each generated by at least one light source, and optical means arranged to form a light spot from the light emitted by the light source, each spot being in the general shape of a rectangular strip of light. The system also includes at least two types of light source, referred to as first and second types of light source, the light sources of the same type having substantially the same luminance. The luminance of a light source of the first type is two to ten times higher than that of a light source of the second type.

LED FOR THE EMISSION OF ILLUMINATION RADIATION
20170303367 · 2017-10-19 ·

An LED includes a first active region for the emission of a first primary radiation and a second active region for the emission of a second primary radiation, separate connections, a first phosphor for the at least partial conversion of the first primary radiation into a first conversion radiation in such a way that the first phosphor forms a first emitting surface of the LED for the emission of a first illumination radiation, and a second emitting surface for the emission of a second illumination radiation, which has a different spectral profile than the first illumination radiation, the second illumination radiation originating from the second primary radiation, and the emitting surfaces being shaped and arranged in a plan view, looking at the LED counter to a main emitting direction thereof, such that an outer of the emitting surfaces as a continuous surface area encloses an inner of the emitting surfaces.