Title:
車両用灯具
Document Type and Number:
Japanese Patent JP7217574
Kind Code:
B2
Abstract:
To provide a vehicular lighting fixture capable of improving brightness even in a depth end position separated from a light source in a light guide body.SOLUTION: A vehicular lighting fixture 10 includes a light source 21, and a light guide body 22 for guiding light from the light source 21 and emitting it to the outside. The light guide body 22 includes: a light guide portion 30 provided continuously to an incident surface 25 where the light from the light source 21 is incident, and for guiding the light from the light source 21; and an emission portion 40 provided continuously to the light guide portion 30, and for emitting the light guided by the light guide portion 30 to the outside from an emission surface 43. In the emission portion 40, a reflection part 28 is provided for reflecting the light guided by the light guide portion 30 toward the emission surface 43 on an emission back surface 44 at an opposite side to the emission surface 43. In the light guide portion 30, a light guide side surface 31 at the opposite side to the emission portion 40 is made to be a smooth surface.SELECTED DRAWING: Figure 1
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| WO/2018/162037 | LIGHTING DEVICE FOR VEHICLES |
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| JP2024070428 | Vehicle Lighting |
Inventors:
Ryo Takei
Application Number:
JP2018123992A
Publication Date:
February 03, 2023
Filing Date:
June 29, 2018
Export Citation:
Assignee:
Ichikoh Co., Ltd.
International Classes:
F21S43/239; F21S43/14; F21S43/245
Domestic Patent References:
| JP2016126948A | ||||
| JP2004273336A | ||||
| JP2016197575A |
Foreign References:
| WO2018074242A1 |
Attorney, Agent or Firm:
Cleo International Law & Patent Office