F21S41/645

Adaptive vehicle headlight
11524625 · 2022-12-13 · ·

Example adaptive vehicle headlights are disclosed. An example system includes a photodetector, an illumination source configured to generate first light during a first operating mode, a spatial light modulator (SLM), and a dichroic filter optically coupled to the illumination source and to the SLM, wherein the dichroic filter is configured to direct the first light to the SLM, and the SLM is configured to direct second light to the dichroic filter during a second operating mode, wherein the dichroic filter is configured to direct the second light having a first color to the photodetector, and direct the first light during the first operating mode.

Illumination Apparatus for a Motor Vehicle Headlight

An illumination device (10) for a motor vehicle headlight, wherein the illumination device (10) comprises: a light source (50) for irradiating a light beam in a first direction of radiation (X1), a first deflection device (100) configured to deflect the light beam in a second direction of radiation (X2), and a second deflection device (200) for deflecting the light beam deflected by the first deflection device (100) in a third direction of radiation (X3) and for producing a light distribution in front of the illumination device (10), wherein
the illumination device comprises at least one expanding optic (300) with a focus (F1), wherein said expanding optic (300) is associated with the at least one light source (50) and is configured to expand the light beam emitted by the light source (50) in the direction of the first direction of radiation (X1), wherein the at least one light source (50) is arranged in the direction of the first direction of radiation (X1) between the at least one expanding optic (300) and the focus (F1) of the expanding optic (300).

PBS-BASED ADB FUNCTION ADJUSTMENT METHOD AND INTELLIGENT VEHICLE LIGHT MODULE THEREFOR
20220373151 · 2022-11-24 ·

Disclosed are PBS-based ADB function adjustment method and an intelligent vehicle light module therefor. A light source system and a light control element constitute an intelligent illumination light control system. One part of light rays emitted by the intelligent illumination light control system penetrate through a PBS to form an illumination light shape, and the other part of the light rays emitted by the intelligent illumination light control system are reflected by the PBS in a direction opposite to a photosensitive chip integrated circuit. Ambient light enters an imaging lens group in a direction opposite to an illumination light path, and one part of the ambient light is reflected by the PBS to the photosensitive chip integrated circuit to form an information source for dynamic control of the light control system.

Motor vehicle having at least one headlight with separately actuated light segments

A motor vehicle having at least one headlight for illuminating the surroundings of the motor vehicle and a control device for controlling the headlight, wherein the headlight comprises a plurality of lighting segments that are arranged in the manner of a matrix and that can be actuated separately by the control device for providing a lighting brightness that can be predefined separately for the individual lighting segments, wherein the control parameter predefining the specific lighting brightness for each of the lighting segments can be calculated by the control device in at least one computing step as a function of input parameters that can be provided by at least one vehicle device, wherein the computing step or at least one of the computing steps may be executed in parallel by the control device for a plurality of the lighting segments.

ANTI-GLARE VEHICLE HEADLIGHTS
20230056771 · 2023-02-23 ·

A vehicle headlight has a segmented light guide device in which segments are selectively controlled to operate in an output state that reduces glare to oncoming vehicle drivers. Vehicle sensors and controller circuitry are used to identify areas of glare removal in the light pattern of the headlight and control the corresponding segments in the light guide device to operate in a selected light output state that reduces glare. The segments can be operated in a focused output state for vehicle driver visibility, or in a scattered output state to reduce glare. The segments can be operated in a clear or transparent output state for vehicle driver visibility, or in a reflected output state to reduce glare. Reflected light can optionally be re-directed. The light guide device can employ bi-stable liquid crystal shuttering or liquid crystal switchable mirror technology.

ADAPTIVE LIGHT SOURCE WITH SPATIAL LIGHT MODULATOR
20230058323 · 2023-02-23 ·

An example includes a system, having: an illumination source configured to produce illumination light; and a spatial light modulator (SLM) optically coupled to the illumination source, the SLM comprising an array of picture elements. The SLM is configured to: receive the illumination light; direct, by a first portion of the picture elements, on state light in a first direction; and direct, by a second portion of the picture elements, off state light in a second direction. The example system includes imaging optics optically coupled to the SLM, the imaging optics configured to receive the on state light from the SLM and to project an image as an image portion of a beam; and non-imaging optics optically coupled to the SLM, the non-imaging optics configured to receive the off state light from the SLM and to project the off state light as part of the beam.

VEHICLE LIGHT WITH DUAL PROJECTION FILM
20220355730 · 2022-11-10 · ·

A vehicle light module, a headlight assembly, and a method for communicating information at a panel having transparent and opaque states; a projector device projects visual representations toward the panel where visual representations are displayed on the panel when in an opaque state and through the panel when in a transparent state.

STAINLESS STEEL LED POWER SWITCH
20230041680 · 2023-02-09 ·

An encapsulated LED switch that incorporates a MOSFET power drivers, high current transistors, or other suitable power drivers in a PCB that attaches to the LED switch such that a low power LED switch controls the output of a high-power driver. The selected power driver PCB can be adapted to different load requirements by making simple changes. The PCB's can be interchanged to provide for a predetermined output power required for a particular application. In addition, the wire gauge size of the wires attached to the MOSFET power driver PCB can also be varied to match intended load requirements. For applications in which the LED switch is used in hostile environments, such as marine applications, the LED switch and its associated power driver PCB are encapsulated to protect the circuitry from environmental factors such as high humidity, salt water, etc.

LED ARRAY WITH LIGHT INTENSITY ADAPTIVE LED SIDEWALLS

A first LED with a first LED sidewall is disclosed. A second LED with a second LED sidewall facing the first LED sidewall is also disclosed. A first dynamic optical isolation material between the first LED sidewall and the second LED sidewall and configured to change an optical state based on a state trigger such that a light behavior at the first LED sidewall for a light emitted by one of the first LED and the second LED is determined by the optical state, is also disclosed.

LIGHTING DEVICE AND PRODUCTION METHOD

A lighting device for vehicles having a light source apparatus for emitting light, having an optical apparatus, which contains a lens arrangement with a multiplicity of lenses, for deflecting the light in accordance with a specified light distribution, and having a positioner for adjusting a lens along an optical axis of the lens arrangement, wherein the positioner is implemented as an apparatus for setting basic scatter width in such a manner that light can be projected in different scatter widths for a specified basic lighting function.