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Title:
光源ユニット
Document Type and Number:
Japanese Patent JP5206658
Kind Code:
B2
Abstract:
A light source unit mounted in a mount portion of a vehicle includes a heat block and a reflector accommodated in an imaginary cylinder that is defined by a holding device for holding an outer circumference of a lens. A first heat dissipating portion and a second heat dissipating portion, which are partitioned by a partition plate, are provided on an outer circumferential surface of the heat block. A plurality of fins are projected on the first heat dissipating portion which is disposed on a lens side of the heat block so as to extend in a circumferential direction, and a second plurality of fins are projected on the second heat dissipating portion so as to extend in an axial direction of the heat block. The partition plate includes a mounting rib, and a mounting device is provided on the mounting rib for mounting the light source unit in the mount portion of the vehicle.

Inventors:
Yoshiharu Tanaka
Akihiro Misawa
Hiroki Tsuge
Kenji Asano
Application Number:
JP2009284617A
Publication Date:
June 12, 2013
Filing Date:
December 16, 2009
Export Citation:
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Assignee:
Toyoda Gosei Co., Ltd.
International Classes:
F21S8/10; B60Q1/04; F21Y101/02
Domestic Patent References:
JP2007220618A
JP2009211966A
Attorney, Agent or Firm:
Tomimasa Konishi
Tomoko Nakamura