Title:
LAMP FITTING, AND VEHICULAR HEADLAMP
Document Type and Number:
WIPO Patent Application WO/2023/068153
Kind Code:
A1
Abstract:
A vehicular headlamp (1) serving as a lamp fitting comprises a board (40) on which a first light source (41) and a second light source (42) serving as light sources are mounted, a heat sink (20) on which the board (40) is disposed, and a reflector unit (50) which presses the board (40) against the heat sink (20) and which reflects a portion of light emitted from the first light source (41) and the second light source (42), wherein: the board (40) has recessed portions (45) that are recessed from each of mutually opposing side surfaces (40sf); the first light source (41) and the second light source (42) are positioned inward of bottom portions (45B) of each of the recessed portions (45); and the reflector unit (50) presses parts of the board (40) outward of the bottom portions (45B) of each of the recessed portion (45).
Inventors:
IKUTA RYUJIRO (JP)
NOZUE SHUHEI (JP)
KATSUURA YASUTAKA (JP)
UTSUMI RYOSUKE (JP)
MOCHIZUKI KAZUMA (JP)
NOZUE SHUHEI (JP)
KATSUURA YASUTAKA (JP)
UTSUMI RYOSUKE (JP)
MOCHIZUKI KAZUMA (JP)
Application Number:
PCT/JP2022/038169
Publication Date:
April 27, 2023
Filing Date:
October 13, 2022
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
F21V17/00; F21S41/143; F21S41/19; F21S41/32; F21S41/33; F21S41/36; F21S41/39; F21S45/10; F21S45/47; F21S45/49; F21V19/00; F21V23/06; F21W102/00; F21W102/14; F21W102/155; F21Y103/10; F21Y115/10
Domestic Patent References:
| WO2021025136A1 | 2021-02-11 |
Foreign References:
| JP2015167123A | 2015-09-24 | |||
| JP2020205207A | 2020-12-24 | |||
| JP2019046714A | 2019-03-22 | |||
| US20180087730A1 | 2018-03-29 |
Attorney, Agent or Firm:
MORIMURA Yasuo (JP)
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