Rod-shaped light guide and vehicle lamp
US-10876703-B2 · Dec 29, 2020 · US
Vehicle lamp body device
US11460163B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11460163-B2 |
| Application number | US-202217668164-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 9, 2022 |
| Priority date | Feb 18, 2021 |
| Publication date | Oct 4, 2022 |
| Grant date | Oct 4, 2022 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
In a vehicle lamp body device provided with a first light source arranged at a center of a base and second light sources arranged at both ends of the base, the device includes a first lightguide rod configured to branch and guide light from the first light source to an outside of both ends of the base and a second lightguide rod configured to guide light from the second light sources to the outside of both ends of the base respectively, the first lightguide rod and the second lightguide rod are superimposed in a light emission direction on the outside of both ends of the base and optical paths of the first lightguide rod and the second lightguide rod are merged.
First claim
Opening claim text (preview).
What is claimed is: 1. A vehicle lamp body device provided with a first light source arranged at a center of a base and second light sources arranged at both ends of the base, the device comprising: a first lightguide rod configured to branch and guide light from the first light source to an outside of both ends of the base and a second lightguide rod configured to guide light from the second light sources to the outside of both ends of the base respectively, wherein the first lightguide rod and the second lightguide rod are superimposed in a light emission direction on the outside of both ends of the base and optical paths of the first lightguide rod and the second lightguide rod are merged. 2. The vehicle lamp body device according to claim 1 , wherein a branching part which is a branching position of the first lightguide rod is provided with at least one of a light reflector arranged behind the branching part and a light diffusion lens arranged in front of the branching part. 3. The vehicle lamp body device according to claim 1 , wherein an emission side shape before merging of the second lightguide rod is formed in a step shape. 4. The vehicle lamp body device according to claim 1 , wherein individual cross-sectional areas of the first lightguide rod and the second lightguide rod roughly coincide before and after merging. 5. The vehicle lamp body device according to claim 1 , wherein a reflection surface shape of the first lightguide rod roughly coincides before and after merging.
Assignees
Inventors
Classifications
for land vehicles · CPC title
Brake lights · CPC title
- F21S43/237Primary
rod-shaped · CPC title
- B60Q1/441Primary
Electric switches operable by the driver's pedals · CPC title
Light emitting diodes [LED] · CPC title
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Frequently asked questions
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- What does patent US11460163B2 cover?
- In a vehicle lamp body device provided with a first light source arranged at a center of a base and second light sources arranged at both ends of the base, the device includes a first lightguide rod configured to branch and guide light from the first light source to an outside of both ends of the base and a second lightguide rod configured to guide light from the second light sources to the out…
- Who is the assignee on this patent?
- Honda Motor Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification F21S43/237. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Oct 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).