F21S41/20

AUTOMOTIVE LIGHTING DEVICE
20230048569 · 2023-02-16 · ·

The invention is related to an automotive lighting device (10) comprising a light source (1) configured to emit light in a light direction (dl), a sensor (2) and a cover (3). The sensor (2) is configured to acquire information outside the lighting device by emitting a wave in a sensor direction (d2), the wavelength of the wave being comprised between 1 mm and 1 cm. The cover (3) comprises a first portion (31) located in the light direction and a second portion (32) located in the sensor direction, the second portion (32) comprising a sensor region (33) having a refractive index and a thickness which is comprised between 0.8 and 1.2 times an ideal thickness, the ideal thickness being equal to a natural number multiplied by the wavelength and divided by two times the refractive index.

HEADLIGHT MODULE, HEADLIGHT, AND VEHICLE

A vehicle lighting apparatus comprising a headlight module comprising a light collecting part, a reflection part, a light outlet part, a first optical channel, and a second optical channel arranged in sequence along a light emitting direction, the first optical channel connecting the light collecting part and the reflection part, the second optical channel connecting the reflection part and the light output part, the connecting position of the lower surface of the second optical channel and the light output part provided with a low beam cut-off line structure for forming a low beam bright-dark cut-off line, the light collected by the light collecting part emitted toward the light outlet part after reflection by the reflection part. The present headlight module is miniaturised and has a high rate of light utilisation.

HEADLAMP OPTICAL ELEMENT, VEHICLE LAMP MODULE, VEHICLE LAMP, AND VEHICLE

Disclosed are a headlamp optical element, a vehicle lamp module comprising the headlamp optical element, a vehicle lamp, and a vehicle. The headlamp optical element comprises a light collecting portion, a first light emitting portion and a reflecting portion, or comprises the light collecting portion, the first light emitting portion, the reflecting portion and a second light emitting portion. The light collecting portion can converge the incident light and emit the light via the first light emitting portion, with some of the light directly emitted to the second light emitting portion, and the rest of the light being reflected by the reflecting portion and then emitted to the second light emitting portion. The reflecting portion is connected to the lower portion of the first light emitting portion, with a lower beam cut-off line structure being formed at the other end thereof, or the reflecting portion is connected to the upper portion of the first light emitting portion, with a high beam cut-off line structure being formed at the other end thereof. The light emitting surface of the first light emitting portion is formed of multiple step surfaces with segment differences or is a single curved surface.

HEADLAMP OPTICAL ELEMENT, VEHICLE LAMP MODULE, VEHICLE LAMP, AND VEHICLE

Disclosed are a headlamp optical element, a vehicle lamp module comprising the headlamp optical element, a vehicle lamp, and a vehicle. The headlamp optical element comprises a light collecting portion, a first light emitting portion and a reflecting portion, or comprises the light collecting portion, the first light emitting portion, the reflecting portion and a second light emitting portion. The light collecting portion can converge the incident light and emit the light via the first light emitting portion, with some of the light directly emitted to the second light emitting portion, and the rest of the light being reflected by the reflecting portion and then emitted to the second light emitting portion. The reflecting portion is connected to the lower portion of the first light emitting portion, with a lower beam cut-off line structure being formed at the other end thereof, or the reflecting portion is connected to the upper portion of the first light emitting portion, with a high beam cut-off line structure being formed at the other end thereof. The light emitting surface of the first light emitting portion is formed of multiple step surfaces with segment differences or is a single curved surface.

Headlight optical element, headlight module, vehicle headlight and vehicle

The present disclosure relates to vehicle lighting devices, and discloses a headlight optical element. The headlight optical element includes a light incident portion, a light transmitting portion and a light emergent portion which are connected in sequence, wherein the light incident portion includes a plurality of light incident surfaces connected sequentially in a left-right direction; the light incident surfaces are curved surfaces protruding backwards in the optical axis direction; and light emergent surfaces are curved surfaces protruding forwards in the optical axis direction. In addition, the present disclosure further discloses a headlight module, a vehicle headlight and a vehicle. The headlight optical element provided by the present disclosure is small in size, high in optical precision, accurate in light pattern, convenient to mount and low in cost.

Headlight optical element, headlight module, vehicle headlight and vehicle

The present disclosure relates to vehicle lighting devices, and discloses a headlight optical element. The headlight optical element includes a light incident portion, a light transmitting portion and a light emergent portion which are connected in sequence, wherein the light incident portion includes a plurality of light incident surfaces connected sequentially in a left-right direction; the light incident surfaces are curved surfaces protruding backwards in the optical axis direction; and light emergent surfaces are curved surfaces protruding forwards in the optical axis direction. In addition, the present disclosure further discloses a headlight module, a vehicle headlight and a vehicle. The headlight optical element provided by the present disclosure is small in size, high in optical precision, accurate in light pattern, convenient to mount and low in cost.

LED LIGHTING DEVICE
20230003353 · 2023-01-05 ·

An LED lighting device includes a transparent cover member arranged at an exterior member or an interior member and covering an LED element and a light emitting surface of the LED element mounted on a substrate, and a light transmission member receiving emission light from the light emitting surface of the LED element at a light inlet end and operating as a light transmission path. The light transmission member is integrated with the LED element mounted on the substrate together with the cover member using a transparent resin by insertion molding.

LIGHTING DEVICE AND METHOD FOR JOINING A LIGHTING DEVICE
20230021808 · 2023-01-26 · ·

A lighting device for a vehicle, comprising a housing, an illuminant arranged in the housing and comprising a light panel for the passage of light generable by the illuminant, wherein a frame is provided, which is molded onto the light panel at least on the edge side in an at least sectionally circumferential fashion using a plastic injection molding process, and wherein the frame is joined to a connection portion of the housing by means of a plastic welded seam. The invention further relates to a method for producing a lighting device.

Light conversion devices and lighting devices

Lighting devices for providing a secondary light with high luminance are provided. The lighting devices include a light conversion element and a light emitting unit with a light source that emits a primary light. The light conversion element has a front side illuminated with the primary light and, in response to the primary light, to emit a secondary light from the front side. The secondary light has a larger wavelength than the primary light.

HEAD LAMP MODULE FOR A MOTOR VEHICLE
20230014251 · 2023-01-19 ·

A head lamp module for a motor vehicle is provided, and includes one single printed circuit board, a first group of light sources, a second group of light sources, a lens and an optical device. The first group of light sources and the second group of light sources are both arranged on the printed circuit board. The first group of light sources and the second group of light sources emit light to the optical device. The optical device is adapted to guide the emitted light in a direction towards the lens. The light leaves the head lamp module through the lens.