[Object] To provide a light source device, a headlight, a display apparatus, and an illumination apparatus having excellent heat dissipation. [Solving Means] The light source device includes a substrate, a phosphor, a light emitting element, and a wavelength-selective reflecting member. The phosphor is disposed in contact with the substrate. The light emitting element emits excitation light for exciting the phosphor. The wavelength-selective reflecting member partially reflects the excitation light emitted from the light emitting element to be guided to the phosphor and transmits fluorescence emitted from the phosphor by excitation caused by incidence of the excitation light and the excitation light reflected by the phosphor.

[Object] To provide a light source device, a headlight, a display apparatus, and an illumination apparatus having excellent heat dissipation. [Solving Means] The light source device includes a substrate, a phosphor, a light emitting element, and a wavelength-selective reflecting member. The phosphor is disposed in contact with the substrate. The light emitting element emits excitation light for exciting the phosphor. The wavelength-selective reflecting member partially reflects the excitation light emitted from the light emitting element to be guided to the phosphor and transmits fluorescence emitted from the phosphor by excitation caused by incidence of the excitation light and the excitation light reflected by the phosphor.

A lighting device according to an embodiment includes a sensor, a substrate disposed on the sensor and including an electrode pattern, a light source disposed on the substrate and electrically connected to the electrode pattern, a resin layer disposed on the substrate, and a reflective layer disposed between the substrate and the resin layer, and the substrate may include a first region overlapping the sensor in a first direction perpendicular to an upper surface of the substrate, a second region surrounding the first region, the light source may be disposed on the second region, the plurality of reflective pattern groups may be disposed on the first region, and the sensor may not overlap the light source and the electrode pattern in the first direction.

An optical lens, including a light incident portion and a light emergent portion, wherein a first single-directional alignment surface (1) is formed on the light incident portion; a second single-directional alignment surface (2) is formed on the light emergent portion; the alignment direction of the first single-directional alignment surface (1) is perpendicular to the alignment direction of the second single-directional alignment surface (2); and the first single-directional alignment surface (1) and the second single-directional alignment surface (2) jointly form a focal point or a focusing area of the optical lens. In addition, an optical lens group, a vehicle lamp system and a vehicle are further provided. The optical lens can meet the requirement for anisotropy of the illumination light shape of the vehicle lamp, and can form an asymmetrical light shape.

Disclosed are a lens unit, an optical lens, an illumination module, a vehicle light, and a vehicle. The lens unit comprises a light incident portion (1) having first unidirectional collimation and a light emergent portion (2) having second unidirectional collimation, so as to form an asymmetric light shape. The lens unit can meet the requirement of the anisotropy of the illumination light shape of the vehicle light so as to form the asymmetric light shape, thereby meeting the requirement for a narrow and long model.

1. A method for producing a holding device (1), wherein a light guide channel (2) is formed in the holding device (1) and extends from a first end section (2a) to a second end section (2b) of the holding device (1), wherein the first end section (2a) has a receiving region, in which a first optical element (3) can be fastened in a form-fitting manner, wherein the second end section (2b) has a stop surface (5) for the connection to a second optical element (4), and wherein the method comprises the following steps:

a) providing the first optical element (3),

b) providing an injection molding device for carrying out an injection molding process, wherein the injection molding device has two mold halves,

c) introducing the first optical element (3) into the first mold half of the injection molding device,

d) closing the mold halves,

e) forming the first end section (2a) of the holding device,

f) forming a shell of the holding device (1), which encloses the light guide channel (2),

g) forming the second end section (2b), which terminates the shell of the holding device (1), together with the stop surface (5).

The present invention relates to an optical element of a vehicle light module, the light module including at least one light source, the rays emitted from which pass through a transparent optical surface of the optical element and emerge in the form of a light beam, the transparent optical surface extending mainly along a transverse axis between a first transverse end and a second transverse end, with the optical element including at least one means for attachment to the light module at each of the transverse ends of the transparent optical surface.

The present invention relates to an optical element of a vehicle light module, the light module including at least one light source, the rays emitted from which pass through a transparent optical surface of the optical element and emerge in the form of a light beam, the transparent optical surface extending mainly along a transverse axis between a first transverse end and a second transverse end, with the optical element including at least one means for attachment to the light module at each of the transverse ends of the transparent optical surface.

Disclosed is a lamp for a vehicle, the lamp including: a light source configured to emit light; and a multi facet lens (MFL) which is provided in front of the light source, and includes a plurality of facets and stepped portions formed in boundary regions between the plurality of facets. At least some of exit surfaces of the plurality of facets have a shape of a portion of an aspherical lens or an anamorphic lens.

An illumination system for a vehicle includes a headlight configured to emit a light beam along an optical path and into an environment. The illumination system includes an optical element having a body comprising four sides. The optical element is positioned along the optical path and configured to redirect the light beam. The illumination system includes a front lens positioned along the optical path and configured to receive the light beam from the optical element and collimate the light beam as the light beam passes into the environment. The optical element is configured to move around an optical element axis to translate the light beam relative to an azimuth plane of the environment.