A vehicle illumination system provided in a vehicle capable of traveling around a corner by inclining a vehicle body toward a turning direction includes: a headlamp mounted on a front portion of the vehicle; a communication lamp disposed on the vehicle body in a region adjacent to the head tamp so as to be visible from ahead of the vehicle; and an illumination control unit configured to change a lighting mode of the communication lamp depending on a state of the vehicle.

Disclosed in an embodiment are a semiconductor device and a light-emitting device package including same, the semiconductor device comprising: a substrate; a plurality of semiconductor structures arranged in a matrix shape in the central area of the substrate; passivation layers arranged on upper surfaces and lateral surfaces of the semiconductor structures and on the edge area of the substrate; a plurality of first wiring lines which are arranged at lower parts of the plurality of semiconductor structures and electrically connected thereto, and which include first end parts extending from the central area to the edge area of the substrate; a plurality of second wiring lines which are arranged at the lower parts of the plurality of semiconductor structures and electrically connected thereto, and which include second end parts extending from the central area to the edge area of the substrate; a plurality of first pads penetrating the passivation layer so as to be connected to the plurality of first end parts; and a plurality of second pads penetrating the passivation layers so as to be connected to the plurality of second end parts, wherein the plurality of semiconductor structures include a plurality of first semiconductor structures, which are arranged in a first area of the central area, and a plurality of second semiconductor structures, which are arranged in a second area of the central area, and the size of the plurality of first semiconductor structures differs from the size of the plurality of second semiconductor structures.

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).

The present invention provides a light emitting module with a light guide plate for an automotive headlight, which light guide plate includes a front surface for exiting light; a rear surface positioned opposite to the front surface and used as a first light incidence surface for introducing a first light beam; and a side surface positioned at a side of the light guide plate and used as a second light incidence surface for introducing a second light beam. The light guide plate has a number of concave structures at the rear surface thereof for refracting the first light beam downwards towards the ground and for reflecting the second light beam forwards towards the front surface of the light guide plate. The overall output light beam pattern according to the present invention would appear to be uniform.

The present invention provides a light emitting module with a light guide plate for an automotive headlight, which light guide plate includes a front surface for exiting light; a rear surface positioned opposite to the front surface and used as a first light incidence surface for introducing a first light beam; and a side surface positioned at a side of the light guide plate and used as a second light incidence surface for introducing a second light beam. The light guide plate has a number of concave structures at the rear surface thereof for refracting the first light beam downwards towards the ground and for reflecting the second light beam forwards towards the front surface of the light guide plate. The overall output light beam pattern according to the present invention would appear to be uniform.

A procedure is provided for actuating at least one main headlamp of a lighting unit for a motor vehicle. An overall light distribution generated by means of at least two segments of a segmented light module is allocated to a light function. The light control switches on or switches off the light function depending on at least one electric input signal of the light control. In order to facilitate the application of an animation of a vehicle lighting for a plurality of vehicle and environmental situations, the overall light distribution of the light function is built up from a plurality of light distribution segments (a-f; a-b; a-c). Each of the light distribution segments (a-f; a-b; a-c) is generated by means of at least one segment of the segmented light module. The plurality of light distribution segments (a-f; a-b; a-c) are switched on and/or switched off by the light control in a previously determined and stored sequence.

A headlight assembly for an automobile comprising a left region and a right region, the headlight assembly being configured to reduce an intensity of a light beam when an oncoming automobile is detected, is described. The headlight assembly includes, at least one light source, at least one light detector configured to detect the oncoming automobile and generate a signal, and a control module configured to receive the signal from the light detector, and reduce the intensity of the light beam. A method for reducing the intensity of a light beam of a headlight assembly for an automobile when an oncoming automobile is detected, is also described.

A headlight assembly for an automobile comprising a left region and a right region, the headlight assembly being configured to reduce an intensity of a light beam when an oncoming automobile is detected, is described. The headlight assembly includes, at least one light source, at least one light detector configured to detect the oncoming automobile and generate a signal, and a control module configured to receive the signal from the light detector, and reduce the intensity of the light beam. A method for reducing the intensity of a light beam of a headlight assembly for an automobile when an oncoming automobile is detected, is also described.

A lighting device according to the invention comprises at least one semiconductor layer; at least one light emission surface comprising an array of high luminance areas configured to emit light at a first local luminance level and low luminance areas configured to emit no light or to emit light at a second local luminance level lower than the first local luminance level; a plurality of semiconductor light emitting devices formed in the semiconductor layer to define the plurality of high luminance areas; wherein the high luminance areas and the low luminance areas are arranged in accordance with a predefined light emission profile of the light emission surface.

The disclosure describes a precollimator for a lighting device, including: a) a number of first collimator units each having an entry face and an exit plane, wherein for each first collimator unit the exit plane is wider than the entry face in a first direction and the entry face and the exit plane have the same width in a second direction that is perpendicular to the first direction and b) a second collimator unit having an entry plane and an exit face, wherein the exit face is wider than the entry plane in the second direction, and
wherein the exit plane of each first collimator unit is optically connected to the entry plane of the second collimator unit, wherein the precollimator is joined together from at least two components. The disclosure further describes such lighting device and a method to manufacture such precollimator.