F21S41/663

Luminaire
10247380 · 2019-04-02 · ·

Disclosed is a lighting fixture comprising at least three light functions, said lighting fixture being a trifunctional projector. In particular, a vehicle headlight is disclosed, which has in addition to a dipped beam and a main beam a daytime running light and/or a position light as a further light function.

Vehicle headlight control apparatus

A vehicle headlight control apparatus controls headlights of a vehicle including LEDs. The vehicle headlight control apparatus includes: drivers and each of which gradually changes a luminance of the LEDs between a predetermined on state and a predetermined off state over a switching time period; and a lamp ECU that determines the switching time period in a changeable manner.

Lighting device with a luminescent material

A lighting device is disclosed with an electromagnetic radiation source for irradiating a conversion element arranged in the lighting device with an excitation radiation. The conversion element has a first element side and a second element side. The first element side delimits a first radiation space and the second element side delimits a second radiation space. At least one optical unit at least for part of the radiation emanating from the first element side is arranged in the first radiation space and at least one optical unit at least for part of the radiation emanating from the second element side is arranged in the second radiation space.

Lighting device with a luminescent material

A lighting device is disclosed with an electromagnetic radiation source for irradiating a conversion element arranged in the lighting device with an excitation radiation. The conversion element has a first element side and a second element side. The first element side delimits a first radiation space and the second element side delimits a second radiation space. At least one optical unit at least for part of the radiation emanating from the first element side is arranged in the first radiation space and at least one optical unit at least for part of the radiation emanating from the second element side is arranged in the second radiation space.

Light source module and vehicle headlamp using the same
10247376 · 2019-04-02 · ·

A light source module and a vehicle headlamp is provided. The light source module and the vehicle headlamp include a circuit board and first and second light emitting modules that are disposed on the circuit board. The first and second light emitting modules are divided by a partition wall. Each of the first and second light emitting modules includes a blue LED light source and a phosphor that is disposed on the blue LED light source. The phosphor is configured to be activated by the blue LED light source to emit first light and includes a phosphor film that is disposed on an exterior of the first light emitting module and the phosphor film is configured to emit a second light.

Lighting device for vehicle

A lighting device for a vehicle includes an irradiator that includes a light source mounted in the vehicle, and a shield that is provided to face an emission side of band-shaped light from the light source. The irradiator is configured to emit the band-shaped light from the light source at a predetermined irradiation angle to irradiate a road surface with the band-shaped light, and the irradiator is configured to change an irradiation direction of the band-shaped light toward the road surface. The shield is configured to shield a part of the band-shaped light such that the road surface is illuminated in a shape of a figure indicating prescribed information.

Lighting device for vehicle

A lighting device for a vehicle includes an irradiator that includes a light source mounted in the vehicle, and a shield that is provided to face an emission side of band-shaped light from the light source. The irradiator is configured to emit the band-shaped light from the light source at a predetermined irradiation angle to irradiate a road surface with the band-shaped light, and the irradiator is configured to change an irradiation direction of the band-shaped light toward the road surface. The shield is configured to shield a part of the band-shaped light such that the road surface is illuminated in a shape of a figure indicating prescribed information.

LIGHTING SYSTEM FOR MOTOR VEHICLE HEADLIGHT

A lighting system for a motor vehicle comprising at least one primary optical device for emitting a light beam exhibiting a cutoff profile, the primary optical emission device comprising at least one light source and one single-piece primary optical member comprising an input surface suitable for receiving a light beam emitted by the light source, a ray interception surface configured to form the cutoff profile in the light beam received and an output surface for the light beam.

This system also comprises a projection device arranged downstream of the primary optical emission device(s) and comprising an input surface arranged facing the primary optical emission device(s), and through which are introduced rays of the light beam derived as output from the primary optical emission device(s) a single continuous output surface through which the light beam is projected.

LIGHTING SYSTEM FOR MOTOR VEHICLE HEADLIGHT

A lighting system for a motor vehicle comprising at least one primary optical device for emitting a light beam exhibiting a cutoff profile, the primary optical emission device comprising at least one light source and one single-piece primary optical member comprising an input surface suitable for receiving a light beam emitted by the light source, a ray interception surface configured to form the cutoff profile in the light beam received and an output surface for the light beam.

This system also comprises a projection device arranged downstream of the primary optical emission device(s) and comprising an input surface arranged facing the primary optical emission device(s), and through which are introduced rays of the light beam derived as output from the primary optical emission device(s) a single continuous output surface through which the light beam is projected.

MOVING-BODY LIGHTING DEVICE AND MOVING BODY

A moving-body lighting device includes: a first light source; a second light source that is disposed forward of the first light source and emits light forward; a reflector in a shape of a segment of a spheroid, and that reflects the light emitted by the first light source; a projection lens that receives the light emitted by the first light source and reflected by the reflector; and a shade disposed between the second light source and the projection lens, proximate a second focal point. The projection lens includes a first lens region that receives the light emitted by the first light source and reflected by the reflector, and a second lens region that receives the light emitted by the second light source. The major axis of the spheroid is oblique to a horizontal axis.