F21S41/322

Automotive lamp

An automotive lamp comprises a first light source for generating light, a light guide unit including a first rod to which the light is incident, a reflector unit for reflecting the light emitted from the light guide unit through the first rod, and a lens unit for forming a first beam pattern by transmitting at least a part of the light reflected by the reflector unit. The reflector unit comprises a first reflector member for reflecting a first light among the light emitted from the light guide unit through the first rod, a second reflector member disposed in front of the first reflector member for reflecting a second light among the light emitted from the light guide unit through the first rod and the first light, and a third reflector member disposed below the second reflector member for reflecting the first light and the second light.

ADB FUNCTION ADJUSTMENT METHOD AND VEHICLE LIGHT WITH ADB FUNCTION
20210341124 · 2021-11-04 ·

Disclosed are an ADB function adjustment method and a vehicle light, wherein a superposed illumination light shape is formed by a periodic high-speed change of a light shape; the periodic high-speed change of the light shape may be a shape change (dynamic superposition of light shapes) or a position change or a synchronous change in shape and position; and a light source is quickly switched off in conjunction with the periodic change of the light shape to generate one or more local dark areas, thereby realizing an adaptive driving beam function.

Vehicle lamp optical element assembly, vehicle lamp and automobile

The present invention relates to the technical field of vehicle illumination and, in particular, relates to a vehicle lamp optical element assembly, a vehicle lamp comprising the vehicle lamp optical element assembly, and an automobile comprising the vehicle lamp. The vehicle lamp optical element assembly comprises a primary optical element assembly and a secondary optical element assembly, wherein the primary optical element assembly comprises a primary optical element and a first support for supporting the primary optical element, and the secondary optical element assembly comprises a secondary optical element and a second support for supporting the secondary optical element, wherein the first support and the second support are connected in a matching manner so as to enable the primary optical element and the secondary optical element to be relatively fixed. The primary optical element and the secondary optical element are assembled into an integral structure, such that relative positions of the primary optical element and the secondary optical element are directly determined, and direct positioning between the primary optical element and the secondary optical element is realized. The positioning precision and the mounting reliability of the primary optical element and the secondary optical element can be ensured, such that the accuracy and functional stability of a light shape of the vehicle lamp are ensured.

VEHICLE LAMP
20210341123 · 2021-11-04 · ·

A vehicle lamp is configured to form a required light distribution pattern by irradiating light emitted from a light source unit toward a lamp front side via a microlens array. The microlens array is configured such that a plurality of condenser lens portions configured to converge the light emitted from the light source unit are formed on a rear surface, while a plurality of projection lens portions configured to project a plurality of light source images formed by the plurality of condenser lens portions are formed on a front surface, and a laterally long light distribution pattern is formed by the light emitted from the microlens array.

Vehicle having a visible and non-visible lighting projection device with a light source mounted on a rotary actuator

Disclosed are a vehicle lighting device, and an invisible light projection device comprising the vehicle lighting device. The vehicle lighting device comprises a light source, a rotary actuator, a light distribution element and a controller. The light source is mounted on a rotating shaft of the rotary actuator and the controller is adapted to control a light-emitting state of the light source creating different light forms. The vehicle lighting device creates a range of light distribution with less light sources, and has good heat dissipation capability. The invisible light projection device comprises a light source of an invisible light-emitting element, the rotary actuator, and the controller, which is adapted to control the light-emitting state of the invisible light-emitting element at different rotation positions creating light distribution of invisible light. The invisible light projection device can carry out invisible light irradiation on a dark area of vehicle lighting, improving vehicle safety.

Illumination Device for a Motor Vehicle Headlight

Illumination device (10) for a motor vehicle headlight, which comprises the following: a first light module (100) for producing light distribution, a bulb shield (300) having a bulb shield (300), which comprises an optically relevant shield edge (310) for producing a cut-off line, a projection lens (400) with an optical axis (A), which is designed to image the light that can be produced by the first light module (100) in front of the illumination device (10), wherein the projection lens (400) is designed as a Fresnel lens, which Fresnel lens has a base body (410) and several annular steps (420) arranged on the base body (410), wherein each step (420) has a main surface (420a) to project the light beams of the at least one light module (100) in front of the illumination device (10) and a sloping surface (420b) extending from the base body (410) to the main surface (420a), wherein the sloping surface (420a) forms a slope angle (W2) to the optical axis (A), and wherein the main surface (420a) and the sloping surface (420b) form a step edge (430) in a common surface section line, wherein the slope angle (W2) varies continuously along the circumference of a step edge (430).

LENS AND LAMP ASSEMBLY
20230288039 · 2023-09-14 · ·

A vehicle lamp assembly is provided with at least one light source having an optical axis. A lens body a first body segment having a light-collection surface positioned adjacent the light source and from the light-collecting face to a first total-internal-reflection (TIR) surface. A middle body segment extends from the first TIR surface to a second TIR surface. A second body segment extends from the second TIR surface to a light emission surface defining an output optical axis. Light propagates in each of the first, middle and second segments in a generally collimated light path.

Headlight module and headlight device

A headlight module includes: a light source for emitting light; a condensing optical element for concentrating the light; and an optical element including an incident surface for receiving the concentrated light, a reflecting surface for reflecting the received light, and an emitting surface for emitting the reflected light. The condensing optical element changes a divergence angle of the light to form a light distribution pattern. The reflected light and light that enters the optical element and is not reflected by the reflecting surface are superposed on a plane including a point located at a focal position of the emitting surface in a direction of an optical axis of the emitting surface and being perpendicular to the optical axis, thereby forming a high luminous intensity region in the light distribution pattern on the plane. The emitting surface has positive refractive power and projects the light distribution pattern formed on the plane.

Headlight lens for a vehicle headlight

The present disclosure relates to a headlamp lens for a vehicle headlamp, wherein the headlamp lens comprises a precision-molded body made of a transparent material, wherein the body comprises at least one light tunnel and a light-conducting part with at least one optically active light exit surface. The light tunnel comprises at least one light entry surface and merges with a bend in the light-conducting part to depict the sharp bend as a light/dark boundary by means of light coupled or radiated into the light entry surface. The surface of the light tunnel is at least partially convexly curved in the region of the bend.

Lighting device for a vehicle

A lighting device is provided, comprising a spatially extended light source with a light-emitting surface greater than 0.5 mm.sup.2 and also an aspherical TIR lens, which is configured to collimate light from the spatially extended light source, and a refractive diffuser configured to generate a lighting distribution on the basis of the collimated light.