Koito Manufacturing Company, Ltd.

Takeshi Ohmi

Michio Tsukamoto

Takashi Matsunaga

Naoki Tatara

Shigeyuki Watanabe

Kiyoshi Sazuka

Hirohiko Ohshio

Shinya Enomoto

Kazuki Okui

Osamu Masuda

A vehicular lamp includes a plurality of light emitting units, each of light emitting units including a substrate, an organic electro luminescence device having an organic light emitting layer formed on the substrate, and a cap configured to seal the organic electro luminescence device. At least two of the plurality of light emitting units have the organic light emitting layers which are different in shape or size, the substrates which are same in shape and size, and the caps which are same in shape and size.

Vehicular lamp

A vehicular lamp has a light source unit having an LED and an optical element that performs light distribution control for directing light from the LED in a predetermined direction, a heat sink to which the light source unit is attached, and a lamp chamber in which the light source unit is disposed. The LED is an LED module formed by installing an LED chip on a power supply circuit board. The LED module is installed on a circuit board installation portion of the heat sink, and an attachment, which has a frame shape a size larger than the LED module and has a circuit board retaining portion at a center open portion of the attachment, is attached and fixed to the heat sink by a fixing member, whereby the LED module is held between the attachment and the circuit board installation portion.

A light source module includes a substrate made with a recess portion formed on one face and an unformed portion not having the recess portion formed therein; a light emitting diode disposed on the recess portion of the substrate; a pair of power supply members disposed on the unformed portion of the substrate; and a connecting portion formed on the substrate and connecting the light emitting diode and the pair of power supply members. A part of an end edge of the recess portion conforms to a part of a side edge of the substrate.

Light source module and vehicular lamp

A vehicular light source unit includes: an LED element integrated with a pair of plate-like feeding terminals; and an LED socket including a pair of plate spring-like conductive terminals in which movable portions and supporting portions that are integrally formed by a conductive member hold the pair of feeding terminals from both sides, and a resin housing integrated with the pair of conductive terminals. The LED element is detachably supported by the plate spring-like conductive terminals through the feeding terminals and receives a power supply from both sides of the feeding terminals.

Vehicular light source unit

Optical axes are simultaneously adjusted when a plurality of lighting device unitsthe light sources of which are light emitting elementsare tiltably supported by the common unit support memberIn this case, the positioning recess portionis provided which is composed so that the light source fixing portionBformed in a plurality of portions of the unit support membercan be contacted with the back faceand the outer circumferential faceof the support platefor supporting the light emitting elementDue to the foregoing, the light emitting elementcan be highly accurately attached to the unit support memberand the optical axes A, of the lighting device unitscan be put in order.

Vehicle headlight

A lighting devicefor a vehicle comprises a lighting unit having such a structure that a light emitting unitincluding a set of light emitting elements, . . . is connected in parallel. In the case in which the breakage of the light emitting unit is detected by first breakage detecting meansA, the generation of the breakage related to the light emitting unit is displayed by display meansIn the case in which the generation of the breakage of at least a predetermined number of light emitting units is detected by second breakage detecting meansB, an alarm is given by flashing a light emitting unit in which the breakage is not detected or a lighting unit including only the light emitting unit in a shorter flashing cycle than a flashing cycle obtained before the detection of the breakage.

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Shizuoka, Japan

Takeshi Ohmi