Fixed-beam headlights reduce a rider's intended visual field by pointing away from a corner during turning. A system is presented for improving visibility in dark conditions on a motorcycle. It relates to adaptively controlling headlight orientation. Based on sensor data, the headlight beam is rotated independently in three degrees of freedom, in real time. This maintains illumination of the road ahead, even when cornering, and reduces the blinding of oncoming traffic. High beam and low beam operation is accommodated, including dimmable high beams. The beam is directed with three independent motors in one embodiment, by the switching of light-emitting diodes in an array in another embodiment, or using a hybrid motorized and solid-state system. The adaptive headlights are suitable for craft other than motorcycles.

A headlight module includes a light source, a light guide element, and a projection optical element. The light source emits light. The light guide element has a reflecting surface for reflecting light emitted from the light source and an emitting surface for emitting light reflected by the reflecting surface. The projection optical element projects light emitted from the emitting surface. In a direction of an optical axis of the projection optical element, an end portion on the emitting surface side of the reflecting surface includes a point located at a focal position of the projection optical element.

A lighting device structure includes lighting sources configured to provide lighting illumination, a reflector configured to reflect lighting illumination from the lighting sources as the LED elements, an inner lens mounted to the reflector. The lighting sources, the reflector, the inner lens are housed within a housing, and an outer lens assembled to the housing. The inner lens is mounted to a front end of the reflector and comprises an overlapping portion positions between an outline wall of the reflector and the inner lens. The overlapping portion of the inner lens induces lighting illumination and illuminates the inner lens. The inner lens is mounted to the front end portion of the reflector that does not obstruct to the certain lighting illumination, and comprises a pair of arms which extended closely to the lighting source, such that the inner lens can induce and illuminate itself as the auxiliary light.

A headlight includes a housing, a low-beam light source and a high-beam light source, a board, and an upper inner lens and a lower inner lens. The low-beam light source and the high-beam light source are each formed of an LED that is housed in the housing and radiates light. The board controls light beams emitted from the low-beam light source and the high-beam light source. The upper inner lens and the lower inner lens are provided in the housing and allow each of the light beams emitted from the low-beam light source and the high-beam light source to be transmitted through the upper inner lens and the lower inner lens toward the vehicle front side. At least part of the board is disposed to overlap with the rear side of the upper inner lens for the low-beam light source.

A headlight module includes a light source, a light guide element, and a projection optical element. The light source emits light. The light guide element has a reflecting surface for reflecting light emitted from the light source and an emitting surface for emitting light reflected by the reflecting surface. The projection optical element projects light emitted from the emitting surface. In a direction of an optical axis of the projection optical element, an end portion on the emitting surface side of the reflecting surface includes a point located at a focal position of the projection optical element.

A head lamp device of a straddle-type vehicle, comprises at least one lamp unit including at least one light source and a plurality of emission ports through which light emitted from the light source is output; and a cover member including a transmission section which transmits in a forward direction of a vehicle body, the light output through the plurality of emission ports, and covering a front portion of the lamp unit, wherein the transmission section includes a first surface, and a second surface bent with respect to the first surface, and an edge is provided on a ridge line formed by the first surface and the second surface, and wherein the edge extends through a gap formed between two adjacent emission ports of the plurality of emission ports.

A solid-state light source lighting device includes an adjuster configured to adjust an output current to be output through an output port, and a first switch to be electrically connected in parallel with a second LED of a plurality of solid-state light sources, and a controller configured to turn on and off the first switch. The controller is configured to keep the first switch off while the DC voltage (input voltage) received through the input port is higher than a threshold voltage, and keep the first switch on while the input voltage is lower than or equal to the threshold voltage. The threshold voltage is higher than or equal to a voltage necessary to turn on the plurality of solid-state light sources while the first switch is off.

A communication system for a vehicle comprises a mechanism for sensing a change in speed of the vehicle and a control device for sending a signal to a headlight activation circuit to modulate the vehicle's headlights based upon the change in speed. In particular, a headlight of the vehicle is able to be modulated as the vehicle reduces speed and/or is decelerating as it approaches an intersection. Additionally, the headlight of the vehicle is able to be modulated as the vehicle accelerates from a stopped position or reaches a certain traveling speed. The headlight activation circuit is able to modulate the headlight between an on position and an off position or modulate the headlight between a high beam position and a low beam position. Consequently, the vehicle is better seen as it approaches likely congestion areas such as intersections and slowing or stopped traffic and attempts to enter traffic.

A headlight module includes a light source, a light guide element, and a projection optical element. The light source emits light. The light guide element has a reflecting surface for reflecting light emitted from the light source and an emitting surface for emitting light reflected by the reflecting surface. The projection optical element projects light emitted from the emitting surface. In a direction of an optical axis of the projection optical element, an end portion on the emitting surface side of the reflecting surface includes a point located at a focal position of the projection optical element.

A communication system for a vehicle comprises a mechanism for sensing a change in speed of the vehicle and a control device for sending a signal to a headlight activation circuit to modulate the vehicle's headlights based upon the change in speed. In particular, a headlight of the vehicle is able to be modulated as the vehicle reduces speed and/or is decelerating as it approaches an intersection. Additionally, the headlight of the vehicle is able to be modulated as the vehicle accelerates from a stopped position or reaches a certain traveling speed. The headlight activation circuit is able to modulate the headlight between an on position and an off position or modulate the headlight between a high beam position and a low beam position. Consequently, the vehicle is better seen as it approaches likely congestion areas such as intersections and slowing or stopped traffic and attempts to enter traffic.