F21S41/635

VEHICLE LAMP
20210048163 · 2021-02-18 · ·

A vehicle headlamp (1) includes: a light source (52R, 52G, 52B) that emits light having a predetermined wavelength; a light distribution pattern forming optical system (56R, 56G, 56B) that includes a collimator lens (53R, 53G, 53B) and a diffraction grating (54R, 54G, 54B) that change a traveling direction of at least some of pieces of light emitted from the light source (52R, 52G, 52B), and emits light (L.sub.R, L.sub.G, L.sub.B) having a predetermined light distribution pattern; and a vibration imparting unit (57R, 57G, 57B) that relatively vibrates the light source (52R, 52G, 52B) and the diffraction grating (54R, 54G, 54B).

Head lamp for vehicle
10955106 · 2021-03-23 · ·

A head lamp for a vehicle may include: a light source unit configured to emit light; an optic unit configured to control the light, emitted from the light source unit, to be emitted to form a plurality of optical focuses; a shield unit disposed to form a cutoff line on the plurality of optical focuses; a first lens array unit disposed on an emission side of the shield unit and having a plurality of first lenses arranged therein; and a second lens array unit disposed on an emission side of the first lens array unit and having a plurality of second lenses arranged therein.

System and method for adjusting beam size while maintaining beam brightness
10907798 · 2021-02-02 · ·

A method for generating a beam of light that impinges on a target, wherein beam intensity remains substantially constant regardless of beam spot size. The method involves: providing a light source, a lens that can be moved to or between various positions, a slide having positions at which the lens may be supported, a target at which a beam is directed and a controller that communicates between an optical position feedback encoder and the light source; linking the encoder and the lens, the encoder sending a lens position signal to the controller, including an encoder translator circuit which communicates with a microprocessor that receives user inputs which characterize desired beam size at the target; generating a light source power signal to the light source so that electrical power delivered by the light source changes in response to the position of the lens.

Motor vehicle headlamp
11054104 · 2021-07-06 · ·

The invention relates to a motor vehicle headlamp (101) comprising a light source (105), projection optics (102, 202) and a bracket (106, 206), wherein the light source (105) is mounted on the bracket (106, 206) and is configured to project light in the direction of a projection axis (104, 204) by means of the projection optics (102, 202), wherein the projection optics (102, 202) are mounted in a frame (103, 203) which is movably arranged in the bracket (106, 206). The headlamp further comprises a lever (107, 207) which is rotatably connected, by means of axis elements that form a pivot axis running transversely or normal to the projection axis (104, 204), to the bracket (106, 206). The frame (103, 203) comprises at least one lug (110, 210) which is located between the bracket (106, 206) and the lever (107, 207), and the lever (107, 207) is configured, in the event of a rotational motion around the pivot axis, to press on the at least one lug (110, 210), and thereby to displace the frame (103, 203) in the bracket (106, 206) along the projection axis (104, 204).

Lighting system for a leaning vehicle
10899406 · 2021-01-26 ·

A lighting system for a leaning vehicle includes a pivot frame configured to be fixed to a light emitting and/or light reflective device, a mount configured to be fixed to a light fitting, and a motor attached to the pivot frame and the mount. The motor is configured to provide rotational movement of the pivot frame relative to the mount. A controller in electrical communication with the motor is configured to receive sensor data of a leaning angle of the leaning vehicle and control the motor to rotate the pivot frame to a desired angle relative to the mount based on the leaning angle.

Vehicular Laser Lamp
20210003265 · 2021-01-07 ·

A vehicular laser lamp that utilizes a coherent light and a beam shaping element configured to produce a standard illumination pattern. The beam shaping element may be segmented to provide multiple standard illumination patterns. Alternatively, the beam shaping element may be electrically addressable like a spatial light modulator to achieve standard illumination patterns or a desired dynamic illumination pattern. The beam shaping element may also provide a curved path for an illumination pattern. A plurality of dark zones may be produced in the illumination pattern using an active beam shaping element controlled by an electronic signal.

Vehicle lamp

In a vehicle lamp, an optical axis adjustment screw for pivoting an optical member around a pivotal axis extending in a vehicle width direction is supported by a lamp body in a state of extending in a vertical direction on the rear side of the vehicle lamp with respect to pivotal axis. A protruding piece extending toward the rear of the vehicle lamp is formed in the optical member, and a groove portion to be screwed with a threaded portion of the optical axis adjustment screw is formed in the rear end surface of the protruding piece. The groove portion of the protruding piece and the threaded portion of the optical axis adjustment screw can be maintained in the screwed state.

SYSTEM AND METHOD FOR ADJUSTING BEAM SIZE WHILE MAINTAINING BEAM BRIGHTNESS
20200393111 · 2020-12-17 ·

A method for generating a beam of light that impinges on a target, wherein beam intensity remains substantially constant regardless of beam spot size. The method involves: providing a light source, a lens that can be moved to or between various positions, a slide having positions at which the lens may be supported, a target at which a beam is directed and a controller that communicates between an optical position feedback encoder and the light source; linking the encoder and the lens, the encoder sending a lens position signal to the controller, including an encoder translator circuit which communicates with a microprocessor that receives user inputs which characterize desired beam size at the target; generating a light source power signal to the light source so that electrical power delivered by the light source changes in response to the position of the lens.

VEHICLE LAMP

A vehicle lamp (1) includes a light source (30) that emits pieces of laser light (LR, LG, LB) having different wavelengths in a time division manner, and a plurality of diffraction gratings (43R, 43G, 43B) corresponding to the pieces of laser light (LR, LG, LB) of the wavelengths, respectively. The laser light (LR, LG, LB) of the wavelengths emitted from the light source (30) are incident on the diffraction gratings (43R, 43G, 43B) corresponding to the laser light (LR, LG, LB), and regions irradiated with light (DLR, DLG, DLB) emitted from the diffraction grating (43R, 43G, 43B) overlap with each other.

Lighting device

A substrate supports a light source and a control circuit. The control circuit is configured to be able to control lighting and lights-out of the light source. The substrate is supported to a conductive housing. The housing is configured to couple with a transparent cover through which light emitted from the light source is to pass. The housing has a through-hole. A connector unit has a connection part and a terminal holding part. The connection part is arranged outside the housing. At least a part of the insulating terminal holding part is arranged in the through hole. The terminal holding part holds a conductive terminal. The conductive terminal is coupled to the substrate and electrically connected to the control circuit.