The present invention is an illumination module with multi light sources includes at least one lens unit, at least one first light source and at least one second light source. The first light source is configured to generate a first color light, and project the first color light to the lens unit. The second light source is configured to generate a second color light, and project the second color light to the lens unit. The lens unit projects the first color light and the second color light to the front of the illumination module with multi light sources, such that the first color light and the second color light partially or fully overlap.

Method for controlling a lighting system with the lighting system including a plurality of light sources, wherein each light source is capable of emitting an elementary light beam with the vertical angular aperture of which is less than 1. The method includes detecting a target object, determining a relative distance between a given point of the host vehicle sensor system and a detected point of the target object and determining a gradient of the road on which the target object is located, determining a lower angle and an upper angle between a given point of the host vehicle lighting system and a high cut-off point and a low cut-off point, controlling the light sources of the host vehicle lighting system in order to emit a pixelated light beam of the driving beam type in order to generate a dark zone extending substantially between the high and low cut-off points.

Method for controlling a lighting system with the lighting system including a plurality of light sources, wherein each light source is capable of emitting an elementary light beam with the vertical angular aperture of which is less than 1. The method includes detecting a target object, determining a relative distance between a given point of the host vehicle sensor system and a detected point of the target object and determining a gradient of the road on which the target object is located, determining a lower angle and an upper angle between a given point of the host vehicle lighting system and a high cut-off point and a low cut-off point, controlling the light sources of the host vehicle lighting system in order to emit a pixelated light beam of the driving beam type in order to generate a dark zone extending substantially between the high and low cut-off points.

A light irradiation device includes a light source, a first reflecting surface, a second reflecting surface and a rotation mechanism that rotates the first reflecting surface around a first central axis passing through a center of the first reflecting surface and rotates the second reflecting surface around a second central axis passing through a center of the second reflecting surface. The first central axis is orthogonal to a first reference surface that is 45 degrees inclined with respect to a first plane that is orthogonal to an optical axis of light incident upon the first reflecting surface, the second central axis is orthogonal to a second reference surface parallel to the first reference surface, and the first reflecting surface is inclined with respect to the first reference surface and the second reflecting surface is inclined with respect to the second reference surface.

A vehicle lamp optical assembly includes a primary optical unit having a plurality of primary optical units arranged side by side. The primary optical unit has a light entrance portion and a light guide portion. The light guide portion has a light entrance portion mounting surface and a primary light emission surface. The light entrance portion mounting surface has at least one light entrance portion. The light entrance portion is configured to enable incident light to be converged and emitted to the light guide portion, and the light guide portion is configured to guide the incident light to be emitted from the primary light emission surface; and a secondary optical unit. The secondary optical unit has a secondary light emission surface and a secondary light entrance surface corresponding to the primary light emission surface. The secondary light emission surface is a narrow and long smooth curved surface.

A directional illumination device for a vehicle external light comprises an array of light sources and an imaging waveguide comprising an input surface and a reflective end. Opposed guide surfaces are arranged to guide input light from the input surface to the reflective end and back along the waveguide after reflection at the reflective end, the waveguide being arranged to extract input light as it is guided back along the waveguide after reflection and to cause the extracted light to exit through the first guide surface. The reflective end has positive optical power in the direction laterally across the waveguide and the waveguide is arranged to direct the extracted light in respective output illumination directions distributed in a lateral direction in dependence on the input positions of the light sources in the direction laterally across the waveguide. A thin, high brightness and high efficiency controllable directional vehicle headlight is provided.

A light assembly includes a power source and three series of lighting units dedicated to respective lighting functions. The light assembly includes a first driver and a second driver, connected in parallel to the power source. The first driver is arranged for applying a first power output to the first and third series of lighting units connected in series, based on a source power generated by the power source and the second driver is arranged for applying a second power output to the second series of lighting units, based on the source power.

When a power supply voltage is supplied to an input terminal, a first constant current driver supplies a first driving current to the anode of a first semiconductor light source. A first switch is provided between the first semiconductor light source and a second semiconductor light source, and a second switch between the first semiconductor light source and a third semiconductor light source. When a switching terminal has a high impedance or low level, a switching circuit turns the first switch on and the second switch off. When a switching voltage is supplied to the switching terminal, the switching circuit turns the first switch off and the second switch on, and supplies a second driving voltage smaller than the first driving current to the second semiconductor light source.

A lighting system for a motor vehicle comprising at least one primary optical device for emitting a light beam exhibiting a cutoff profile, the primary optical emission device comprising at least one light source and one single-piece primary optical member comprising an input surface suitable for receiving a light beam emitted by the light source, a ray interception surface configured to form the cutoff profile in the light beam received and an output surface for the light beam. This system also comprises a projection device arranged downstream of the primary optical emission device(s) and comprising an input surface arranged facing the primary optical emission device(s), and through which are introduced rays of the light beam derived as output from the primary optical emission device(s) a single continuous output surface through which the light beam is projected.

A lighting system for a motor vehicle comprising at least one primary optical device for emitting a light beam exhibiting a cutoff profile, the primary optical emission device comprising at least one light source and one single-piece primary optical member comprising an input surface suitable for receiving a light beam emitted by the light source, a ray interception surface configured to form the cutoff profile in the light beam received and an output surface for the light beam. This system also comprises a projection device arranged downstream of the primary optical emission device(s) and comprising an input surface arranged facing the primary optical emission device(s), and through which are introduced rays of the light beam derived as output from the primary optical emission device(s) a single continuous output surface through which the light beam is projected.