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Title:
LAMP UNIT
Document Type and Number:
WIPO Patent Application WO/2023/276620
Kind Code:
A1
Abstract:
A lamp unit (1) is provided with a light-emitting element (2), a lighting circuit (3), a substrate (4), and a heat-dissipating member (5), wherein: the substrate (4) has a substrate body (6), an external connector insertion part (7), and a light-emitting element installation part (8); the heat release member (5) is provided on the substrate body (6); the lighting circuit (3) is mounted on the substrate main body (6) and is electrically connected to the light-emitting element (2); and the light-emitting element (2) is mounted via the light-emitting element installation part (8) so as to contact the heat release member (5).

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Inventors:
ICHIKAWA TOMOYUKI (JP)
SUZUKI TETSUYA (JP)
SHOJI AKIO (JP)
MURATA YOSHIMASA (JP)
FUWA RYOTA (JP)
Application Number:
PCT/JP2022/023507
Publication Date:
January 05, 2023
Filing Date:
June 10, 2022
Export Citation:
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Assignee:
KOITO MFG CO LTD (JP)
International Classes:
F21S41/19; F21S45/47; F21V19/00; F21V23/00; F21V23/06; F21V29/503; H01L33/64; F21W102/13; F21Y115/10
Domestic Patent References:
WO2021010461A12021-01-21
Foreign References:
JP2007059894A2007-03-08
KR20180088608A2018-08-06
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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