Koito Manufacturing Company, Ltd.

Motohiro Komatsu

Takashi Inoue

Hiroyuki Ishida

Takeshi Masuda

Naoki Tatara

Hidetada Tanaka

Mitsuyuki Mochizuki

Naoki Uchida

Masahito Naganawa

Satoshi Yamamura

Takao Muramatsu

Shoji Kobayashi

Noriko Sato

Masao Kinoshita

Takayuki Yagi

Shigeyuki Watanabe

Atsushi Sugimoto

Kenichi Takada

Tsukasa Tokida

Yuji Sakurai

Kiyotaka Mochizuki

Kiyoshi Sazuka

Hiroya Koizumi

Takashi Hori

Kenji Yamada

Masaaki Nakabayashi

Michihiko Hayakawa

Akihiro Matsumoto

Yuji Yasuda

Asami Nakada

Masanobu Mizuno

Norimasa Yamamoto

Hiroki Ishibashi

Yuji Sugiyama

Hiroyuki Serizawa

Takashi Terayama

Kazuki Okui

Koji Uchino

Tomoaki Otani

Noriaki Ito

Noriko Okada

Takuya Kotajima

Manabu Maeda

Kentaro Tani

Takuo Sugiyama

Hidetada Sugiyama

Hiroki Yamamoto

A vehicle light fixture system includes: a low-beam unit adapted to form a low-beam light distribution pattern having a cutoff line and to independently adjust illuminance in a plurality of subareas in the low-beam light distribution pattern arranged below and along the cutoff line; and a light distribution control device that controls the low-beam unit to form a first reduced illuminance portion in, of the plurality of subareas, the subarea having a position in a vehicle width direction overlapping a position of a vehicle in front in the vehicle width direction.

Vehicle light fixture system, light distribution control device, and light distribution control method

A vehicular rear panel with a new configuration is provided. The vehicular rear panel according to an aspect of the present disclosure is made of a resin material and disposed on a rear vehicle body part. The vehicular rear panel includes a light guiding unit configured to guide light from the light source along an extending direction of the vehicular rear panel and a light emitting unit configured to emit light in the light guiding unit to a rear side of a vehicle.

Vehicular rear panel

The invention relates to a light distribution control method and a light distribution control device in which plural illumination regions are arranged in the left-right direction and illuminated by a headlamp in an ADB light distribution pattern, and vehicle positions of a vehicle ahead are detected and selected ones of the plural illumination regions are reduced in light quantity according to the detected vehicle positions. In this method and device, corrected vehicle positions are set that are obtained by adding margins to the detected vehicle positions in the left and right directions, respectively, and compared with the plural illumination regions. Illumination regions where the vehicle ahead exists are reduced in light quantity.

Light distribution control method and light distribution control device for a vehicular headlamp

A light emitting lamp according to one embodiment of the present invention includes a laser light source, a scanning unit, which scans the laser light emitted from the laser light source so as to form a visible light distribution pattern, an obstacle detector, which detects an obstacle, if any, in front of a driver's vehicle, and a control unit, which adjusts the intensity of the laser light irradiated to an obstacle existent region, according to the distance from the driver's vehicle to the obstacle, based on the detection result of the obstacle detector.

Automotive lamp

A vehicular lamp comprising includes a light-emitting diode that is used as a light source and that emits light; and a light transmitting member that is arranged in a path of the emitted light and through which the light is passed. The light transmitting member shields the light-emitting diode from infrared rays that travel in an opposite direction to a traveling direction of the light.

Vehicular lamp

A lamp unit includes: a light source array including a plurality of light sources aligned into an array; a mount portion on which the light source array is to be mounted; a first reflecting mirror configured to reflect light from the light sources, wherein the first reflecting mirror is parabolic cylindrical or hyperbolic cylindrical and is provided at least either above and below the light source array; and an optical member configured to project direct light from the light sources and reflected light from the first reflecting mirror to the front.

Lamp unit

A vehicle lamp is provided. The vehicle lamp includes a lens disposed on an optical axis of the vehicle lamp, the optical axis extending in a front-and-rear direction of the vehicle lamp, the lens comprising a first concave lens portion; a plurality of light emitting elements disposed to a rear side of the lens and around the optical axis at regular intervals in a circumferential direction, the plurality of light emitting elements comprising at least one first light emitting element disposed to a rear side of the first concave lens portion; at least one first reflector corresponding to the at least one first light emitting element and disposed between the corresponding first light emitting element and the optical axis, wherein the first reflector comprises a first reflecting surface which reflects light from the corresponding first light emitting element toward the first concave lens portion.

Vehicle lamp

An automotive headlamp apparatus comprises: a lamp unit configured to be capable of forming an additional light distribution pattern that includes an upper area above the cut-off line of a light distribution pattern for low beam and that is divided into a plurality of individual patterns; and a controller configured to control formation of each of the individual patterns in accordance with presence of a forward vehicle. The controller reduces the illuminance of an individual pattern overlapping an area where a forward vehicle is present and increases the illuminance of at least one of other individual patterns.

Automotive headlamp apparatus controlling light distribution pattern

A vehicle headlamp includes a first light source configured to emit first light that is projected to form a first irradiation region, a second light source configured to emit second light that is projected to form a second irradiation region joined to the first irradiation region to extend in a transverse direction with respect to an optical axis, a movable shade configured to move between a position at which light irradiation to a joined region of the first irradiation region and the second irradiation region is shielded, and a position at which the light irradiation to the joined region is permitted, and a controller configured to select one of light distribution patterns that are determined by combinations of turning on and off of the first light source, turning on and off of the second light source, and the positions of the movable shade.

Vehicle headlamp

A lamp unit used in a vehicular lamp includes a reflector provided with a parabolic cylindrical reflective surface with a focal line in the horizontal direction; a planar light source having a light-emitting surface with a generally oblong shaped region; and a drive portion that rotatably supports the semiconductor light-emitting element portion. The generally oblong shaped region of the planar light source includes a long side in a direction parallel to the focal line and a short side of a predetermined width. The planar light source is disposed such that the light-emitting surface faces the parabolic cylindrical reflective surface of the reflector and such that a long side, on a lamp front side, generally coincides with the focal line and acts as a rotational axis.

Vehicular lamp unit

A lamp unit of a vehicular headlamp includes a projection lens with an optical axis; a light source formed from a semiconductor light-emitting element; a first reflector that reflects light from the light source so as to condense such light on or near the optical axis; and a shade positioned between the light source and the projection lens so as to extend along the optical axis direction. The shade shields part of the light reflected by the first reflector. In the lamp unit of the vehicular headlamp, a shielding surface extends rearward from a front end of the shade, where the shade is positioned near a rearward focal point Rf of the projection lens. The shielding surfaces serve as a second reflector that reflects light from the first reflector toward the projection lens. In addition, a transparent portion is formed on part of the second reflector such that part of the light reflected by the first reflector passes downward of the rearward focal point of the projection lens and is then incident to the projection lens.

Lamp unit of vehicular headlamp

A vehicular headlamp includes at least one a light source irradiating visible light and a lens allowing the visible light from the light source to pass through to forward of a vehicle. The light source and the lens are mounted in a rotating element. Alternatively, the vehicular headlamp includes at least one a light source irradiating visible light, and a mirror mounted on a rotating element and arranged to reflect the visible light from the at least one light source to forward of a vehicle. The vehicular headlamp also includes a scanning actuator for reciprocatingly rotating the rotating element so as to form a light distribution pattern forward of the vehicle and a light distribution control portion for controlling the scanning actuator such that a portion of the light distribution pattern is relatively bright.

Vehicular headlamp

A vehicle lighting device includes a light source unit for emitting light for forming a high beam light distribution pattern by projecting forward light from the light source unit. The high beam light distribution pattern has at least two illumination patterns which illuminate areas which are different from each other. A control unit is provided for controlling the at least two illumination patterns to be turned on and off selectively.

Vehicle lighting device

A lamp unit of a vehicle headlamp characterized in a lamp unit of a vehicle headlamp includes a projecting lens arranged on an optical axis extended in a front and rear direction of a vehicle, a first light emitting element arranged on a rear side of a rear side focal point of the projecting lens, and a reflector for reflecting light from the first light emitting element to a front side to be proximate to an optical axis. A vicinity of a rear side focal face of the projecting lens is arranged with a plurality of second light emitting elements for emitting light to the projecting lens.

Lamp unit of vehicle headlamp

A distance from a center position of the light source to a rear focal point of a projection lens is smaller than a focal length of the projection lens. The light source is constituted by a line segment light source extended in a vehicle width direction. An opening portion is formed at a rear portion of a first reflector. A second reflector reflects light directed to a rear side from the light source to a front side to be proximate to an optical axis.

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Shizuoka, Japan

Motohiro Komatsu