F21S41/635

Illumination Device for a Motor Vehicle Headlight
20230375150 · 2023-11-23 ·

Illumination device (1) for a motor vehicle headlight, comprising an illuminant, an optical element (2) for forming light distribution, wherein the optical element (2) has a focal point, a holding device (3), which holds the position of the optical element (2) in relation to the illuminant, wherein the holding device (3) has a compensating element (4), which connects the optical element (2) to the holding device (3), wherein the compensating element (4) has a first end section (4a) and a second end section (4b), wherein the first end section (4a) is connected to the optical element (2) and the second end section (4b) is connected to the holding device (3), wherein the compensating element (4) is designed in such a way that the compensating element (4) has a temperature-dependent longitudinal extension in one direction (X), wherein the compensating element (4) is connected to the optical element (2) in such a way as to pivot and/or move the optical element (2) as a function of a temperature relative to a light image plane in such a way that the focal point of the optical element (2) lies within the light image plane.

Systems with adjustable lights

A vehicle may have lights such as headlights and other vehicle lights for providing vehicle illumination. The lights may be electrically adjustable so that the color and pattern of the illumination may be varied. Sensor data and/or other data may be used in determining how to adjust the lights. A light such as headlight may have a light source such as a white light source or multicolored light source, a light collimator that receives light from the light source, and an adjustable lens array that receives collimated light from the light collimator and outputs corresponding adjustable vehicle illumination. The adjustable lens array may have fixed and/or adjustable lens elements and corresponding electrically adjustable light modulator elements.

Lighting device with optical component

A lighting device, automotive lighting system and method of manufacturing a light device are described. A lighting device includes a mounting portion, at least one first light emitting element, at least one second light emitting element, and at least one optical component. The mounting portion includes at least a central mounting face and at least one lateral mounting face at an angle with respect to the central mounting face. The at least one first light emitting element is mounted on the central mounting face. The at least one second light emitting element is mounted on the at least one lateral mounting face. The at least one optical component is mounted to the mounting portion and configured to adjust an intensity distribution of light emitted from the at least one of the at least one first light emitting element or the at least one second light emitting element.

Projection structure, projection method, and corresponding vehicle lamp and vehicle
11549660 · 2023-01-10 · ·

A projection structure that occupies a small space and performs dynamic projection includes a first support, a lens assembly, a film portion, a light source, a motor, a control portion, and a second support, wherein the light source, the film portion, and the lens assembly form a projection light path, the film portion being driven by the motor to rotate. The lens assembly includes at least one lens, and the at least one lens is accommodated in the first support, the control portion being configured to control the motor and/or the light source. The second support is configured to support the first support, wherein the first support and second support are respectively configured to form a first space and a second space of the film portion.

Timing control unit for controlling an illumination device with coherent light source

An illumination device has a coherent light source that emits coherent light beam, and an optical device that diffuses the coherent light beam, wherein the optical device comprises a first diffusion region that diffuses the coherent light beam to illuminate a first area, and a second diffusion region that diffuses the coherent light beam to display predetermined information in a second area.

Lighting Device for a Motor Vehicle Headlight
20220299182 · 2022-09-22 ·

The invention relates to a lighting device (1) for a motor vehicle headlight, comprising: a light module (2), wherein the light module (2) comprises a light source (2a) and a collimator (3), which is set up in such a manner that the light generated by the light source (2a) is emitted via a light-emitting surface (3a) in a light propagation direction (4), an optical element (5) having a light-coupling surface (5a) and a light-decoupling surface (5b), wherein the light of the collimator is guided through the optical element (5), wherein the light-decoupling surface (5b) of the optical element (5) has multiple optical elements (6) through which the light is emitted as a divergent light beam, wherein
the light-emitting surface (3a) of the collimator (3) is formed from multiple lenses (7), wherein each lens (7) is set up for emitting the light of the light source (2a) to the light-coupling surface (5a) of the optical element (5) in a divergent manner, wherein all lenses (7) have essentially the same focal length, wherein the collimator (3) and the optical element (5) are spaced apart from each other, wherein the distance between them essentially corresponds to the focal length of the lenses (7).

Method for correcting a light pattern and automotive lighting device
11435052 · 2022-09-06 · ·

A method for correcting a light pattern provided by an automotive lighting device, wherein the light pattern is provided at least by a matrix arrangement of light sources. The method includes a first step of projecting a high beam pattern with a first zone where luminous intensity is lower, the first zone having a rectangular edge with four sides. The second step includes providing a number of pixels for each of the four sides of the edge of the first zone, thus creating an upper blur zone, a lower blur zone, a left blur zone and a right blur zone. A final step includes creating a blur pattern for the upper blur zone which extends along columns, a blur pattern for the lower blur zone which extends along columns, a blur pattern for the left blur zone which extends along rows and a blur pattern for the right blur zone which extend along rows, where the luminous intensity in each row or column adapts from the luminous intensity of the first zone to the luminous intensity of the high beam pattern. An automotive lighting device configured to perform these steps is also provided.

VEHICULAR LAMP

A vehicular lamp (1) includes a lamp unit (20), the lamp unit (20) including a light source (41) and a reflection device (50) serving as a light distribution pattern formation unit, wherein the light distribution pattern formation unit is irradiated with light (L) emitted from the light source (41) and emits light (LF) and is further capable of changing a light distribution pattern of the light (LF) to be emitted, and the lamp unit (20) adjusts an emission direction of the light (LF) to be emitted from the lamp unit (20) according to a change in the light distribution pattern of the light (LF) to be emitted from the reflection device (50).

VEHICLE HEADLAMP

A headlamp for a vehicle configured to generate a lighting region (3) in front of the vehicle comprises: a fixed matrix-array first light source configured to emit a high beam, a movable second light source configured to emit a low beam, a correcting mechanism configured to keep a vertical inclination of the low beam constant with respect to a reference horizontal line, when the vehicle is in motion, and a dioptric prism configured to remove at least one shadow region that may occur, in said lighting region, between the high beam and the low beam.

HIGH EFFICIENCY VEHICLE HEADLAMPS
20220299184 · 2022-09-22 ·

A vehicle lamp including a plurality of solid state light emitters that emit light that passes through a cold mirror to be converted to human visible light by a conversion layer. Some converted light will exit the lamp in the desired direction. Some converted light will transmit toward the cold minor be reflected by the cold minor toward the exit of the lamp. A micro-optics layer is optically connected to the solid state light emitters to direct the light therefrom to the cold mirror. Controller is provided to control solid state light emitters and/or the controllable elements of microprism layer.