A lighting tool for a vehicle that radiates light from a vehicle toward a road surface, the lighting tool for a vehicle including a light source device, a light modulation device that modulates light emitted from the light source device to form multi-gradation light including a high gradation part, a low gradation part and a zero gradation part, a projection unit that projects the multi-gradation light emitted from the light modulation device to the road surface as a light distribution pattern, and a control unit that controls the light source device and the light modulation device, wherein the light modulation device forms a drawing pattern as the high gradation part which is surrounded by the low gradation part in the light distribution pattern

An image projection apparatus that can be attached to a vehicle and can be effectively utilized for acquisition of road surface condition information, detection of a hidden vehicle, and the like is provided. The image projection apparatus that projects an image includes: an acquisition unit that acquires information related to a vehicle; an image projection unit that projects an image based on the information acquired by the acquisition unit; and imaging means that acquires an image outside the vehicle, the image projection unit projects light in a wavelength band centered on a wavelength of 1.4 ?m and the imaging means provides the information related to the vehicle by imaging an image projected based on the light in the wavelength band centered on the wavelength of 1.4 ?m.

A method for adjusting a luminous intensity of headlamp light of a vehicle is provided. The vehicle includes at least one headlamp producing the headlamp light. The at least one headlamp includes a plurality of individually controllable light sources which create different partial areas of a light emission pattern of the headlamp light. The method includes obtaining a ground geometry of a ground area which can be illuminated by the headlamp light in the vicinity of the vehicle, calculating an illuminance producible by each of the light sources on the ground area using the obtained ground geometry, comparing the calculated illuminances with respective reference values, and adjusting a luminous intensity of the light sources to achieve the associated reference values of the illuminance.

To improve the reliability of an automatic leveling control device for a vehicular lamp using acceleration sensors. The device variably controls optical axis of the lamp according to the attitude change in a vehicle including (a) a sensor abnormality determination part which determines if a first acceleration sensor is abnormal based on first acceleration values detected by the first sensor, (b) an angle calculation part using the first accelerations value to obtain an attitude angle when the sensor abnormality determination part determines there is no abnormality in the first sensor, and uses second acceleration values detected by a second acceleration sensor when the sensor abnormality determination part determines there is an abnormality in the first sensor, and (c) an optical axis setting part which generates a control signal for the optical axis based on the attitude angle obtained by the angle calculation part, and provides the signal to the lamp.

A method and apparatus for providing navigation services including illumination data. A request for a route is received with one or more preferences related to illumination for the route. One or more road segments that have illumination road attributes that correspond to the one or more preferences are selected. The illumination road attributes are calculated as a function of high beam frequency for the one or more road segments. The route is generated including the one or more road segments. The route is provided with the illumination road attributes.

A lamp light control technical solution includes obtaining current location information of a vehicle, obtaining a control instruction determined based on predetermined information and a predetermined control rule, where the predetermined information at least including information determined according to the current location information, and the predetermined control rule including a correspondence between the predetermined information and the control instruction. The lamp light control technical solution further includes executing the control instruction, to control lamp light of the vehicle. A computer storage medium and an in-vehicle device for implementing the lamp light control are also provided.

An image projection apparatus that can be attached to a vehicle and can be effectively utilized for acquisition of road surface condition information, detection of a hidden vehicle, and the like is provided. The image projection apparatus that projects an image includes: an acquisition unit that acquires information related to a vehicle; an image projection unit that projects an image based on the information acquired by the acquisition unit; and imaging means that acquires an image outside the vehicle, the image projection unit projects light in a wavelength band centered on a wavelength of 1.4 ?m, and the imaging means provides the information related to the vehicle by imaging an image projected based on the light in the wavelength band centered on the wavelength of 1.4 ?m.

A lamp for a vehicle includes: a lamp module configured to project a light having a beam pattern onto a road surface; at least one processor; and a computer-readable medium coupled to the at least one processor having stored thereon instructions which, when executed by the at least one processor, causes the at least one processor to perform operations comprising: obtaining vehicle driving information associated with driving of the vehicle; determining, based on vehicle driving information, a light adjustment region;

and based on the determination of the light adjustment region, performing a gradual control of light projected to the light adjustment region, the gradual control of light configured to progressively change a brightness of light in the light adjustment region.

A headlight system for a banking vehicle is provided. The headlight system includes a plurality of optical assemblies being arranged about an optical horizon and an optical vertical axis. Each of the plurality of optical assemblies includes an illumination source and an optical element. Each of the illumination sources is configured to direct light toward a corresponding one of the optical elements to produce an illumination region. The illumination regions combine to form an illumination pattern that includes at least one illumination region that is radial and is positioned relative an optical origin. The intersection between the optical horizon and the optical vertical axis defines the optical origin.

A lamp ECU acquires, from a sensor, a position of a target light source of a forward vehicle when viewed from a sensor mounting position, calculates, on a basis of an amount of position deviation between a lighting fixture mounting position and the sensor mounting position, a parallax-corrected direction of a target position, based on the acquired position of the target light source, when viewed from the lighting fixture mounting position, and outputs a light shielding range on a basis of the calculated parallax-corrected direction.