Title:
LAMP UNIT
Document Type and Number:
WIPO Patent Application WO/2022/239814
Kind Code:
A1
Abstract:
Provided is a lamp unit (10) wherein a light guide body (40) is disposed between a light source and a projection lens (30), the light source is configured from a plurality of light emitting elements mounted on a common substrate (24), a heat sink (70) is disposed on the unit rear side of the substrate (24) while being in surface contact with the substrate (24), the light guide body (40), the substrate (24), and the heat sink (70) are supported by a lens holder (50), a positioning pin (58B) extending toward the rear of the unit is formed in the lens holder (50), a pin engagement part (72d) that engages with a tip part of the positioning pin (58B) is formed in the heat sink (70), and an insertion hole (24) for inserting the positioning pin (58B) is formed in the substrate.
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Inventors:
SATO RYUHO (JP)
Application Number:
PCT/JP2022/019980
Publication Date:
November 17, 2022
Filing Date:
May 11, 2022
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
F21S45/47; F21S41/143; F21S41/24; F21S41/29; F21V29/503; F21V29/76; F21W102/155; F21Y115/10
Foreign References:
| JP2012003986A | 2012-01-05 | |||
| JP2020136096A | 2020-08-31 |
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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