IP Library › Granted Patent US 12,379,090
Granted Patent B2
US 12,379,090 · App. 18/829,317 · Granted Aug 5, 2025

Vehicle lamp

Inventor: Shohei Kanezuka (Shizuoka, JP)
Assignee: KOITO MANUFACTURING CO., LTD.
F21S43/402F21S43/28131F21S45/48F21S45/50F21W2103/10
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Quick Facts
Patent No.
US 12,379,090
App. No.
18/829,317
Granted
Aug 5, 2025
Kind
B2
Abstract

A vehicle lamp includes: an outer lens disposed on a front side of the vehicle lamp; a lamp body disposed on a rear side of the vehicle lamp; and a light source disposed within a lamp chamber formed by the outer lens and the lamp body. A fine step is formed on a rear surface of the outer lens, and light from the light source enters the outer lens.

Claims (33)

1. A vehicle lamp comprising:

an outer lens disposed on a front side of the vehicle lamp;

a lamp body disposed on a rear side of the vehicle lamp; and

a light source disposed within a lamp chamber formed by the outer lens and the lamp body,

wherein a fine step is formed on a rear surface of the outer lens, and

light from the light source enters the outer lens,

wherein the outer lens is formed by stacking different types of a first resin material and a second resin material,

the first resin material forms a front surface of the outer lens, and

the second resin material forms the rear surface of the outer lens including the fine step.

2. The vehicle lamp according to claim 1 , wherein the first resin material is a resin having a strength higher than the second resin material.

3. The vehicle lamp according to claim 2 , wherein the outer lens includes a seal leg with the lamp body at an end thereof, the seal leg being formed of the first resin material.

4. The vehicle lamp according to claim 2 , wherein the outer lens includes a light entrance end in addition to the seal leg with the lamp body, at the end thereof in a direction of an extension axis of the outer lens,

the light source is disposed opposite to the light entrance end, and

the light entrance end is formed of the second resin material.

5. The vehicle lamp according to claim 2 , wherein the outer lens is provided with a step such that the front surface of the outer lens becomes coplanar with a panel front surface of a vehicle body panel.

6. The vehicle lamp according to claim 2 , further comprising:

an extension panel having a shape substantially the same as that of a design light-emitting portion on the front surface of the outer lens, between the outer lens and the lamp body.

7. The vehicle lamp according to claim 2 , further comprising:

an inner lens forming a light distribution different from a light distribution formed by the light source and the outer lens, between the outer lens and the lamp body.

8. The vehicle lamp according to claim 1 , wherein the outer lens includes a seal leg with the lamp body at an end thereof, the seal leg being formed of the first resin material.

9. The vehicle lamp according to claim 1 , wherein the outer lens includes a light entrance end in addition to a seal leg with the lamp body, at the end thereof in a direction of an extension axis of the outer lens,

the light source is disposed opposite to the light entrance end, and

the light entrance end is formed of the second resin material.

10. The vehicle lamp according to claim 1 , wherein the outer lens is provided with a step such that the front surface of the outer lens becomes coplanar with a panel front surface of a vehicle body panel.

11. A vehicle lamp comprising:

an outer lens disposed on a front side of the vehicle lamp;

a lamp body disposed on a rear side of the vehicle lamp;

a light source disposed within a lamp chamber formed by the outer lens and the lamp body; and

an extension panel having a shape substantially the same as that of a design light-emitting portion on the front surface of the outer lens, between the outer lens and the lamp body,

wherein a fine step is formed on a rear surface of the outer lens, and

light from the light source enters the outer lens.

12. The vehicle lamp according to claim 1 , further comprising:

an inner lens forming a light distribution different from a light distribution formed by the light source and the outer lens, between the outer lens and the lamp body.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 10, 2024
From: KANEZUKA, SHOHEI
To: KOITO MANUFACTURING CO., LTD.
Reel/Frame 068533/0572 →
Priority Claims (1)
JP 2022-047811 · Mar 24, 2022 · national
Continuity (2)
Continuation PCTJP2023009581 · Mar 13, 2023
Related Publication 20240426456A1 · Dec 26, 2024
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