Koito Manufacturing Company, Ltd.

Toshiaki Tsuda

Takeshi Masuda

Tomoyuki Ichikawa

Takayuki Yagi

Yuichi Shibata

Satoshi Yamamura

Masaya Shido

Hidetada Tanaka

Michihiko Hayakawa

Noriko Sato

Yukihiro Onoda

Misako Nakazawa

Naoki Uchida

Osamu Kuboyama

Masanobu Mizuno

Naoki Tatara

Shinichi Irisawa

Takeshi Fukuyo

Tsukasa Tokida

Toru Ito

Yoshiro Ito

Kunio Fukai

Masato Harazaki

Masao Kinoshita

Akihiro Nomura

Mamoru Murakoshi

Yoichiro Domae

Kunimasa Mochizuki

A head-up display device is provided in a vehicle together with a headlamp. The head-up display device includes a light source, a control unit, and a projection unit. The light source emits white light whose correlated color temperature is changeable. The control unit adjusts the correlated color temperature of the white light emitted from the light source. The projection unit forms image light by the white light emitted from the light source. The projection unit projects the image light onto a projection target member disposed in front of a driver of the vehicle, thereby displaying a virtual image superimposed on a landscape for the driver. The control unit adjusts the correlated color temperature of the white light emitted from the light source in accordance with a correlated color temperature of irradiation light emitted from the headlamp.

Head-up display device and head-up display system

A load driving apparatus receives an input voltage from a power supply, and supplies electric power to a load under processor control. The processor outputs first and second signals via first and second pins in a conjunction such that they are negated when the load is instructed to suspend operation. An output circuit supplies electric power to the load. A protection switch is provided on a driving path that extends from the power supply to the load and returns to the power supply. When the first signal is asserted (negated), a control circuit sets the output circuit to an operation state (suspension state). The control circuit turns on the protection switch on assertion of the second signal, and turns it off on negation of this signal.

Load driving apparatus

In this invention, letters that can be seen by a pedestrian () are drawn on an intersection (). A mark (MM) that can be seen by the driver of the host vehicle (C) is drawn on the road () between the intersection () and the host-vehicle (C). The shapes of the letters (MO) are corrected in accordance with the positional relationship between the pedestrian () and the intersection (). The shape of the mark (MM) is corrected in accordance with the positional relationship between the driver of the host-vehicle (C) and the road ().

Road surface image-drawing system for vehicle

A lamp unit includes a reflecting device in which a micromirror array is selectively driven to selectively reflect incident light, the micromirror array being an array of micromirrors arranged in a matrix; a projection lens that projects the light selectively reflected by the reflecting device, forward in a light distribution pattern; and a restraining portion configured to restrain external light incident on the projection lens from being condensed in a region other than the micromirror array to restrain an increase in a temperature of the region.

Lamp unit

A vehicle lamp includes a laser light source that is able to emit laser light and emits laser light generated by the laser light source forward from an emission end, and an optical mechanism that performs scanning with the laser light and depicts a figure in an irradiation destination.

Vehicle lamp and vehicle lamp control system

A vehicle lamp includes a light source that shines a laser beam and a laser scanning unit that has a single or plurality of acousto-optic devices, and the laser scanning unit can control an angle at which a laser beam that is incident on the acousto-optic devices is deflected. The vehicle lamp is strong enough to deal with vibrations and withstands the application to a motor vehicle.

Vehicle lamp with acousto-optic device

A vehicle lamp includes a laser light source that is able to emit laser light and emits laser light generated by the laser light source forward from an emission end. The vehicle lamp includes a light-shielding member that shields the emission end from light from above to at least a horizontal position in front of the emission end.

A vehicle lamp includes a semiconductor laser element configured to emit laser light, a condenser lens configured to condense the laser light, a phosphor configured to form white light by converting wavelength of at least a portion of the laser light condensed, and a reflector configured to reflect the white light. A light transmitting portion is formed in a portion, at which an extension path obtaining by extending an optical path of the laser light before contacting the phosphor is intersected with the reflector, of the reflector. A light confinement part is formed above the light transmitting portion.

Vehicle lamp

An automotive lamp includes: a light source; a light emitting member that receives light from the light source and emits light; and a support member that supports the light emitting member. The support member includes a translucent light emitting member accommodating unit. The light emitting member accommodating unit includes a recess in which the light emitting member is accommodated. A light incidence surface and side surfaces of the light emitting member are in contact with the light emitting member accommodating unit in a state in which the light emitting member is accommodated in the recess.

Automotive lamp

A light source module includes a light source with a light emitting device and a terminal electrically connected to the light emitting device; a wiring board to electrically connect another end side of the terminal to an external power supply terminal; a thermal diffusion member between the light source and the wiring board; and a temperature detector mounted on the wiring board to detect a temperature of the light source. The thermal diffusion member has a recessed portion facing the wiring board, the temperature detector is accommodated in the recessed portion.

Light source module with recessed temperature sensor and fan

Provided is a vehicular headlamp including: an excitation light source; a scanning mechanism configured to scan light emitted by the excitation light source toward a predetermined direction; a projection lens; and a phosphor provided between the scanning mechanism and the projection lens and configured to transmit light scanned by the scanning mechanism toward the projection lens. The phosphor is formed as a curved body that is curved in a direction opposite to a curved image plane of the projection lens.

Vehicular headlamp

A light source module includes a light source which comprises a light emitting element, a stem configured to support the light emitting element, and a terminal having one end electrically connected to the light emitting element, a wiring board to which the other end of the terminal is electrically connected and which is configured to electrically connect the terminal to an external power supply terminal, and a thermal diffusion member which is disposed between the stem and the wiring board and is thermally connected to the light emitting element.

Light source module

A vehicle lamp includes a semiconductor laser element configured to emit laser light;

A vehicle display system displays information on a road surface. The vehicle display system includes an other-entity detector, an intersection detector, and a display device. The other-entity detector detects whether or not another entity approaches a vehicle mounted with the vehicle display system. The intersection detector detects whether or not the vehicle approaches an intersection. When the other-entity detector detects that said another entity approaches the vehicle or when the intersection detector detects that the vehicle approaches the intersection, the display device displays a predetermined shape in a predetermined region of a road surface ahead of the vehicle while moving the predetermined shape.

Growing community of inventors

Shizuoka, Japan

Toshiaki Tsuda