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Patent Searching and Data


Title:
LIGHT SOURCE UNIT, VEHICULAR LIGHTING FIXTURE, AND MANUFACTURING METHOD OF LIGHT SOURCE UNIT
Document Type and Number:
WIPO Patent Application WO/2021/002336
Kind Code:
A1
Abstract:
A light-emitting element (32) is fixed and a flexible printed wiring board (40) is applied to a first plate face (34a) of a metal plate (34). An electroconductive layer (44) of the flexible printed wiring board comprises: a first power supply unit (44a) positioned in a lighting-fixture rearward proximity of the light-emitting element; and a second power supply unit (44b) positioned in a proximity of a rear end face (34c) of the metal plate. The light-emitting element is electrically connected to the first power supply unit of the electroconductive layer via a metal line (36). The flexible printed wiring board is electrically connected to a power-source side connector (60) at the second power supply unit of the electroconductive layer.

Inventors:
KANAMORI Akitaka (JP)
MATSUNAGA Takashi (JP)
Application Number:
JP2020/025576
Publication Date:
January 07, 2021
Filing Date:
June 29, 2020
Export Citation:
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Assignee:
KOITO MANUFACTURING CO., LTD. (JP)
International Classes:
F21V19/00; F21V23/00; F21V23/06; F21Y115/10; H01L33/00; H01L33/60; H01L33/62; F21S2/00; F21S41/148; F21S41/19; F21S41/32; F21S45/00; F21W102/00; F21W102/10
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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