Ichikoh Industries, Ltd.

Yasuhiro Okubo

Toshiya Abe

Yasufumi Suzuki

Kotoka Inoue

Kazunori Iwasaki

Seiji Hayashi

Takayuki Kawamura

Masateru Hayashi

Yoshihiro Sugie

Kei Onoma

Takanori Hamamoto

Yosuke Omori

Shouichi Fukushima

Atsushi Igari

Chiharu Sasaki

Shoichi Minokawa

Akihito Inoue

Omori Yosuke

A vehicle lamp includes first and second light sources, a collecting lens that collects light, a shielding member that passes collected light through a radiating slit, and a projecting lens that forms a radiation pattern with light. The collecting lens includes a first lens portion and a second lens portion that correspond to the first and second light sources, respectively, the radiating slit includes a near-side slit portion and a far-side slit portion that correspond to a near-side radiation design and a far-side radiation design, respectively, in the radiation pattern, the first lens portion and the second lens portion are opposed to the far-side slit portion and the near-side slit portion, respectively. A collecting lens member, the shielding member, and a projecting lens member are fixed to a supporting member such that a collecting lens frame and a shielding frame overlap with each other in an optical axis direction.

Vehicle lamp

An automotive lighting fixtures that can create the desired illumination pattern of light distribution while suppressing enlargement is provided. The vehicular lampcomprises a plurality of light sources (), a condenser lensthat collects light by allowing light from the multiple light sources () to enter through an incident surfaceand exit through an exit surface, a light-shielding memberprovided with a plurality of light-transmitting portions () that partially transmit the light collected by the condenser lens, and a projection lensthat forms an illumination pattern Pi with a plurality of illumination patterns Di corresponding to the plurality of light-transmitting portions by projecting the light transmitted through the light-shielding member. The light sources () are individually provided corresponding to the light-transmitting portions, and the condenser lensis characterized by having a plurality of condenser lens portions () that individually correspond to the light-transmitting portions and are stacked on top of each other.

Provided are a lamp unit that can form an irradiation pattern on a road surface almost without tilting an inclination of a lamp unit axis with respect to the road surface, and a vehicle lighting tool using the lamp unit. A lamp unit includes: a light source; a condenser lens that condenses light from the light source; a light-shielding member (shade) provided with an irradiation slit through which the light condensed by the condensing lens partially passes; and a projection lens that projects the light that passes through the light-shielding member (shade) to form an irradiation pattern, which are arranged along a lamp unit axis. The projection lens has a reference focus set on the lamp unit axis, and is disposed at such a position rotated downward about the reference focus, and a projection lens axis is directed further downward than the lamp unit axis.

Lamp unit and vehicle lighting tool

A lamp unit forms an irradiation pattern having a desired brightness distribution while efficiently using light from a light source. In the lamp unit, a light source unit including light sources, a condenser lens, a light shielding member (shade), and a projector lens are arrayed along a lamp unit axis. An incident surface has a curved incident surface section facing the light sources and an annular incident surface section surrounding the curved incident surface section. The condenser lens has a reflective surface surrounding the curved incident surface section. The light shielding member (shade) is disposed such that a light shielding reference point coincides with a lamp unit axis. The light sources are disposed with an emission light axis positioned above the lamp unit axis in the vertical direction. The condenser lens is disposed such that condenser lens axes are positioned above the lamp unit axis in the vertical direction.

Lamp unit, and vehicle lamp fitting

A vehicle light fixture include a first light distribution illuminator that emits a first light distribution to the front of a vehicle, and a second light distribution illuminator that emits a second light distribution having a light-dark boundary line at least on a side of the vehicle, wherein illumination of the first light distribution illuminator and the second light distribution illuminator is controlled in response to a predetermined operation of the first light distribution illuminator by the driver of the vehicle. The second light distribution illuminator includes a light source, and a projection lens that projects light emitted from the light source to form an illumination pattern surrounded by multiple light-dark boundary lines and emit the illumination pattern to a side of the vehicle, and the projection lens focuses more of the light emitted from the light source passing outwardly from the optical axis of the projection lens.

Vehicle light fixture

The present invention provides vehicle lighting capable of forming an irradiation pattern with a desired brightness distribution while efficiently utilizing light from light sources. The vehicle lighting includes both the light sources disposed in parallel, a condenser lens that condenses light from the light sources, a light-shielding member provided with an irradiation slit, and a projection lens that projects the light, and forms an irradiation pattern. The incident surface has a curved incident surface section and an annular incident surface section, the condenser lens has a reflective surface that surrounds the curved incident surface section, the first light source is disposed such that a first emitting surface is located on a projection lens optical axis of the projection lens, and the second light source is disposed inside the annular incident surface section such that a second emitting surface does not intersect the projection lens optical axis.

Vehicle lighting

To provide a vehicular lamp capable of making a desired light distribution on a light shielding member while having a simple configuration. The vehicular lamp comprises a first and second light source each having a light emitting surface and being arranged in a predetermined parallel direction; a single condenser lens for condensing light emitted from the first and second light source; a light shielding member provided with an irradiation slit through which light condensed by the condenser lens is partially passed; and a projection lens for projecting light passed through the light shielding member to form an irradiation pattern. The first and second light source are arranged with an interval equal to or larger than dimensions in the parallel direction on the light emitting surfaces, the condenser lens makes a light distribution in which a high light quantity area with the highest light quantity is single in the parallel direction.

Vehicular lamp

A vehicle light includes: a light source; a light condensing lens condensing a light emitted from the light source; and an irradiation pattern forming member having an irradiation slit for allowing the light to partially pass through, and that forms the passing light into an irradiation pattern. The irradiation slit has a farthest location that corresponds to a farthest portion projected at a farthest position in the irradiation pattern and a nearest location that corresponds to a nearest portion projected at a nearest position in the irradiation pattern. The light condensing lens, on the irradiation pattern forming member, makes the farthest location brightest and the nearest location darkest in an upper-lower direction, and diffuses the light emitted from the light source more in a width direction, which is orthogonal to an optical axis direction and to the upper-lower direction, than in the upper-lower direction.

Vehicle light

A vehicle lamp includes a mirror, a plurality of light-emitting elements, and a lens. The mirror is capable of rotating a mirror surface around a rotary axis in a vertical direction. The mirror surface extends along the rotary axis. The light-emitting elements are arranged on a lateral side more than the mirror in a vehicle width direction. The lens irradiates a range wider than the mirror with light from the light-emitting elements. The light-emitting elements are disposed apart from each other such that light distribution images of the light reflected by the mirror surface are aligned along the vehicle width direction. The mirror rotates to combine the adjacent light distribution images and form a main light distribution pattern.

A vehicle lamp includes a light source, and an aberration correction lens unit, that corrects chromatic aberration, irradiates in a frontward direction with direct light from the light source. The aberration correction lens unit includes a first lens located in a front side of the light source, and a second lens located in front of the first lens. The aberration correction lens unit performs vibration control for vibrating intersections in a front-back direction. The intersections are intersections of an optical axis, and red, green, and blue components of white light incident in parallel from the front toward the outside in the radial direction from the optical axis side of the aberration correction lens unit.

The vehicle lamp of the present invention includes: a first light source that emits light for low-beam light distribution; a lens arranged in a front side of the first light source; a shade that is arranged between the first light source and the lens and forms a cut-off line of a low-beam light distribution pattern; a reflector that reflects light from the first light source towards the lens; and a second light source that is arranged between the first light source and the lens and emits light for high-beam additional light distribution. A rear focal point of the lens is located more to a front side than a second focal point which is a focal point on a front side of the reflector, and a lens optical axis of the lens is inclined forward and obliquely downward with respect to a lamp optical axis of the lamp.

A lens of vehicular light has an entrance surface comprising: an upper part entrance surface for allowing light from the light source to enter, the light source being irradiated in an upper direction at a greater angle than a predetermined upper irradiation angle; a lower part entrance surface for allowing light from the light source to enter, the light source being irradiated in a lower direction at a greater angle than a predetermined lower irradiation angle; and a central entrance surface between the upper part entrance surface and the lower part entrance surface. The lower part entrance surface has a first lower part entrance surface on the light source optical axis side, and a second lower part entrance surface below the first lower part entrance surface. The lens performs the light distribution control whereby the light entering in the second lower part entrance surface is irradiated in a lower direction.

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Isehara, Japan

Yasuhiro Okubo