Title:
灯具ユニットおよび車両用灯具
Document Type and Number:
Japanese Patent JP6949069
Kind Code:
B2
Abstract:
To provide a lighting fixture unit and a vehicular lighting fixture that can reduce the number of components, facilitate optical axis adjustment, and can improve heat dissipation performance while comprising a plurality of light emitting elements and optical systems for irradiating different irradiation regions with light.SOLUTION: A lighting fixture unit comprises: a first board (81) in which a first light emitting element (82) is mounted on a first mounting surface; a second board (71) in which a second light emitting element (72) is mounted on a second mounting surface, and the second mounting surface is arranged opposite to the first mounting surface; a first heat dissipation part (45) provided in contact with a back side of the first board (81); a second heat dissipation part (52) provided in contact with a back side of the second board (71); and a reflecting member comprising a first reflecting surface (64) for reflecting light from the first light emitting element (82), and a second reflecting surface (62) for reflecting light from the second light emitting element (72), and arranged between the first mounting surface and the second mounting surface.SELECTED DRAWING: Figure 8
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Inventors:
Yuji Yasuda
Shinichi Todaka
Go Shimizu
Shinichi Todaka
Go Shimizu
Application Number:
JP2019046921A
Publication Date:
October 13, 2021
Filing Date:
March 14, 2019
Export Citation:
Assignee:
Koito Manufacturing Co., Ltd.
Honda motor industry stock company
Honda motor industry stock company
International Classes:
F21S41/33; F21S41/147; F21S41/19; F21S41/26; F21S41/39; F21S45/48; F21V29/503; F21V29/74
Domestic Patent References:
| JP2014056797A | ||||
| JP2008153123A | ||||
| JP2011222232A | ||||
| JP2018098105A |
Foreign References:
| US20070171626 | ||||
| CN108730795A | ||||
| US20070171676 |
Attorney, Agent or Firm:
Prowin Patent and Trademark Office