Title:
VEHICLE LIGHTING UNIT
Document Type and Number:
WIPO Patent Application WO/2020/027128
Kind Code:
A1
Abstract:
Provided is a vehicle lighting unit comprising a heat sink (12), a light emitting element disposed in the heat sink (12), and a reflector disposed above the light emitting element and reflects emitted light emitted from the light emitting element forward. The heat sink (12) comprises a base unit (22) in which the light emitting element is disposed in a pedestal portion (21) and a fin portion (23) disposed on the back surface side of the base portion (22) and radiates heat generated by the light emitting element. The back surface of the base portion (22) is inclined with respect to the pedestal portion (21). In the heat sink (12), the thickness of the base portion (22) is larger at the lower side of the light emitting element than at the rear side of the base portion (22).
Inventors:
TAKEUCHI HIROTO (JP)
Application Number:
PCT/JP2019/029827
Publication Date:
February 06, 2020
Filing Date:
July 30, 2019
Export Citation:
Assignee:
ICHIKOH INDUSTRIES LTD (JP)
International Classes:
F21S45/43; F21S41/148; F21S45/48; F21S45/49; F21V29/503; F21V29/67; F21V29/76; F21W102/13; F21Y115/10
Foreign References:
| JP2009070732A | 2009-04-02 | |||
| JP2015035349A | 2015-02-19 | |||
| JP2006269271A | 2006-10-05 | |||
| JP2016072166A | 2016-05-09 | |||
| JP2018005980A | 2018-01-11 | |||
| JP2018037205A | 2018-03-08 | |||
| JP2008288113A | 2008-11-27 |
Other References:
See also references of EP 3832196A4
Attorney, Agent or Firm:
SAKAMOTO & PARTNERS (JP)
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