A scanning light source includes a semiconductor light source, and scans an instantaneous illumination spot based on the output light of the semiconductor light source in the horizontal direction of the light distribution. A lighting circuit is capable of providing multi-gradation dimming of the amount of light provided by the semiconductor light source at each scanning position in synchronization with the scanning of the scanning light source. The lighting circuit is switchable between the first mode in which the semiconductor light source is controlled by pulse width modulation with a duty cycle that corresponds to the dimming ratio and the second mode in which the semiconductor light source is turned off over the number of cycles that corresponds to the dimming ratio.

The present disclosure relates to a headlamp optical element comprising a light collecting part, a light emitting part and a reflecting part connected in sequence. The reflecting part comprises a low beam or high beam cutoff line structure. The end of the light collecting part comprises an outer contour surface and a concave cavity including a cambered front light incident surface and a lateral light incident surface that is curved with a smaller circumference closer to the reflecting part. The outer contour surface is curved with a larger circumference closer to the reflecting part. A lower portion of the light collecting part is provided with a region III light-shape forming structure, wherein part of light converged can be emitted from region III and under the reflecting part in sequence forming a light-shape of a low beam region III. The headlamp optical element is simple, compact, and lighter in weight.

A headlight device includes a first optical system and a second optical system. The first optical system emits first light in a predetermined emission direction. Part of an optical axis of the first optical system coincides with part of an optical axis of the second optical system in the emission direction. The second optical system includes a light receiver and a first optical part, and second light traveling in an incidence direction opposite to the emission direction is incident on the second optical system. The first optical part includes an aperture part that sets a diameter of the second light traveling toward the light receiver through the second optical system to be smaller than a diameter of the second light when entering the second optical system.

To provide a vehicular lamp system and a vehicular lamp which can reduce a replacement frequency of the vehicular lamp. The vehicular lamp system includes a vehicular lamp having a plurality of elements capable of irradiating a corresponding irradiation region with light and a detection unit that detects presence or absence of an abnormality in the plurality of elements, and a notification unit that notifies abnormality information concerning occurrence of an abnormality when the abnormality is detected in a target element capable of irradiating a predetermined irradiation region with light among the plurality of elements.

An vehicle light optical element(1) related to the technical field of vehicle lighting. The optical vehicle light element(1) comprises a light incident portion (10), a light transmission portion(11), and a light emitting portion. Two ends on the light transmission portion(11) in a light emitting direction are respectively a light incident end and a light emitting end. The light incident portion (10) comprises at least one light incident structure(13) provided at the light incident end of the light transmission portion(11)and corresponding to a light source (20). The light emitting portion comprises a light emitting surface(12) protruding from the light emitting end of the light transmission portion(11) towards the light emitting direction. A cross-sectional area of the light transmission portion (11) gradually increases from the light incident end to the light emitting end. The light incident portion(10) and the light emitting portion of the vehicle light optical element(1)are provided on the same optical structure. Therefore, no optical path needs to be built, and an assembly relationship is simple, thereby simplifying the structure of the vehicle light optical element (1),and improving optical system precision of the vehicle light optical element(1)

An vehicle light optical element (1) related to the technical field of vehicle lighting. The optical vehicle light element (1) comprises a light incident portion (10), a light transmission portion (11), and a light emitting portion. Two ends on the light transmission portion (11) in a light emitting direction are respectively a light incident end and a light emitting end. The light incident portion (10) comprises at least one light incident structure (13) provided at the light incident end of the light transmission portion (11) and corresponding to a light source (20). The light emitting portion comprises a light emitting surface (12) protruding from the light emitting end of the light transmission portion (11) towards the light emitting direction. A cross-sectional area of the light transmission portion (11) gradually increases from the light incident end to the light emitting end. The light incident portion (10) and the light emitting portion of the vehicle light optical element (1) are provided on the same optical structure. Therefore, no optical path needs to be built, and an assembly relationship is simple, thereby simplifying the structure of the vehicle light optical element (1), and improving optical system precision of the vehicle light optical element (1).

A headlight for vehicles having a projection module containing a low beam primary lens and a first light source, a high beam primary lens and a second light source, a secondary lens arranged in the main beam direction in front of the low beam primary lens and the high beam primary lens, a secondary lens by means of which, in a low beam mode, in which only the first light source is activated, a first light bundle emitted from the low beam primary lens is mapped according to a specified low beam distribution and, in a high beam mode, in which the first light source and the second light source are activated, the first light bundle is mapped together with the second light bundle emitted from the high beam primary lens in order to produce the high beam distribution, wherein the high beam primary lens has compensator.

An illumination device comprises at least a laser (1) emitting a laser beam (6) of light of a first wavelength, a wavelength converting member (5) converting at least part of the light of the first wavelength into light of a second wavelength, a scanning unit (4) adapted to scan the laser beam (6) across the wavelength converting member (5) and an imaging optics (2) imaging a light emitting face of the laser (1) via the scanning unit (4) onto the wavelength converting member (5). In the proposed device, the laser beam (6) is guided via reflection at a reflective member (3) to the wavelength converting member (5). The reflective member (3) comprises a combination of at least a first and a second reflective element (8, 9), wherein the first and second reflective elements (8, 9) are formed and arranged such that the light emitting face of the laser (1) is imaged as a mirror-inverted image on the wavelength converting member (5) via the first reflective element (8) and as a non-mirror-inverted image via the second reflective element (9), both images being superimposed on the wavelength converting member (5). Due to this reflective member, intensity fluctuations in the image of the light emitting face on the wavelength converting member are reduced without enlarging the image.

The invention relates to a double-row matrix illumination module, wherein a light source part comprises an LED circuit board and a heat sink that are secured to each other; a primary optical system comprises a primary optical element mounting bracket, a primary optical element press plate and an LED circuit board. Primary optical elements are all mounted on the primary optical element mounting bracket in position. The primary optical elements are consisted of two layers, wherein the upper layer is primary optical element A and the lower layer is primary optical element B. The primary optical element mounting bracket configured as a base component for mounting and positioning comprises two rows of rectangular holes for fixing light-incident ends of the primary optical element A and the primary optical element B respectively and separating the light-incident ends from each other. The invention can realize anti-dazzling high beam function, low beam follow-up steering function, high beam follow-up steering; regarded as a whole, the follow-up steering function can be realized for the high beam and the low beam, thereby improving illumination experience when steering. Structurally, the invention is simple and compact, accurate in positioning, convenient for disassembly and assembly, easy to guarantee the actual product quality.

A headlight includes a first LED cluster having a plurality of first LEDs arranged next to one another on a common first substrate, a second LED cluster having a plurality of second LEDs arranged next to one another on a common second substrate, and an output coupling optical unit having a plurality of optical elements, of which an optical element which comes first in a beam path of the LED clusters has, a light incidence surface which is common to the LED clusters. The LED clusters have a lateral distance from one another which is at least as great as an extent of the LED clusters in the same direction. The common light incidence surface has a locally delimited light incidence region directly in front of an associated LED cluster. The locally delimited light incidence region deviates from the basic shape of the light incidence surface.