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EP-4737796-A1 - VEHICLE LAMP

EP4737796A1EP 4737796 A1EP4737796 A1EP 4737796A1EP-4737796-A1

Abstract

A vehicle lamp includes: a plurality of light sources, a reflector, and a projection lens. The light sources are disposed in a left-right direction in a vehicle-mounted state. In the reflector, a first reflecting portion and a second reflecting portion are aligned in the left-right direction. The first reflecting portion reflects light from the light source toward a vehicle front. The second reflecting portion reflects light from the light source in a direction different from the vehicle front. The projection lens includes a plurality of lens portions that are aligned in the left-right direction and that emit the light reflected by the first reflecting portion toward the vehicle front to form an illumination pattern.

Inventors

  • HAYASHI, MASATERU

Assignees

  • Ichikoh Industries, Ltd.

Dates

Publication Date
20260506
Application Date
20240628

Claims (15)

  1. A vehicle lamp comprising: a plurality of light sources disposed in a left-right direction in a vehicle-mounted state; a reflector in which a first reflecting portion and a second reflecting portion are aligned in the left-right direction, the first reflecting portion reflecting light from the light source toward a vehicle front, the second reflecting portion reflecting light from the light source in a direction different from the vehicle front; and a projection lens including a plurality of lens portions that are aligned in the left-right direction and that emit the light reflected by the first reflecting portion toward the vehicle front to form an illumination pattern.
  2. The vehicle lamp according to claim 1, wherein, in the reflector, the first reflecting portion and the second reflecting portion are disposed for each of the lens portions, the first reflecting portion is disposed at a position on a vehicle inside with respect to an optical axis of a corresponding one of the lens portions, and the second reflecting portion is disposed at a position on a vehicle outside with respect to the optical axis of each of the lens portions.
  3. The vehicle lamp according to claim 1, wherein the second reflecting portion is disposed, in the left-right direction, between the first reflecting portion corresponding to the second reflecting portion and a lens portion adjacent, in the left-right direction, to a lens portion corresponding to the second reflecting portion.
  4. The vehicle lamp according to claim 1, wherein a boundary between the second reflecting portion and the first reflecting portion is formed as a light-dark boundary forming portion along an optical axis of the lens portion.
  5. The vehicle lamp according to claim 1, wherein the second reflecting portion includes a knurled portion.
  6. The vehicle lamp according to claim 1, wherein a lens portion of the projection lens that is disposed closest to a vehicle inside forms a light distribution pattern having least inward diffusion of emitted light.
  7. The vehicle lamp according to claim 1, wherein a lens portion of the projection lens that is disposed on an outermost side of a vehicle forms a light distribution pattern having least outward diffusion of emitted light.
  8. The vehicle lamp according to claim 1, wherein the projection lens has a shape inclined rearward from a vehicle inside toward a vehicle outside.
  9. The vehicle lamp according to claim 2, wherein a plurality of the first reflecting portions are provided for each one of the lens portions in the left-right direction.
  10. The vehicle lamp according to claim 1, wherein the light source is provided for the first reflecting portion, and no light source is provided for the second reflecting portion.
  11. The vehicle lamp according to claim 1, wherein the reflector includes a light-shielding wall facing a vehicle inside between lens portions adjacent to each other in the left-right direction.
  12. The vehicle lamp according to claim 11, wherein the reflector includes a partition wall along a front-rear direction between the lens portions adjacent to each other in the left-right direction, and the light-shielding wall is provided at a front end of the partition wall.
  13. The vehicle lamp according to claim 12, wherein the partition wall has a height in an up-down direction, which increases toward a front.
  14. The vehicle lamp according to claim 12, wherein the partition wall is inclined toward the vehicle inside from an upper portion to a lower portion.
  15. The vehicle lamp according to claim 12, wherein the light-shielding wall is formed such that a protruding amount toward the vehicle inside decreases from a lower portion to an upper portion.

Description

TECHNICAL FIELD The present invention relates to a vehicle lamp. BACKGROUND ART A vehicle lamp that forms an ADB pattern in front of a vehicle is known (e.g., see Patent Literature 1). PRIOR ART LITERATURE PATENT LITERATURE Patent Literature 1; JP 2019-3832 A SUMMARY OF INVENTION PROBLEMS TO BE SOLVED BY THE INVENTION In recent years, a configuration in which a so-called reflector-type vehicle lamp forms an ADB pattern in front of a vehicle has been considered. The vehicle lamp includes, for example, a plurality of light sources, a reflector, and a projection lens. The reflector has reflection surfaces that are provided for the respective light sources and that reflect light from the respective light sources toward the front of the vehicle front. The projection lens emits light reflected by the reflection surfaces. Such a vehicle lamp is required to inhibit occurrence of glare by a reflector and the like. The present invention has been made in view of the above, and an object thereof is to provide a vehicle lamp capable of inhibiting occurrence of glare. SOLUTION TO PROBLEMS A vehicle lamp according to the present invention includes: a plurality of light sources, a reflector, and a projection lens. The light sources are disposed in a left-right direction in a vehicle-mounted state. In the reflector, a first reflecting portion and a second reflecting portion are aligned in the left-right direction. The first reflecting portion reflects light from the light source toward a vehicle front. The second reflecting portion reflects light from the light source in a direction different from the vehicle front. The projection lens includes a plurality of lens portions that are aligned in the left-right direction and that emit the light reflected by the first reflecting portion toward the vehicle front to form an illumination pattern. EFFECTS OF THE INVENTION According to the present invention, occurrence of glare can be inhibited. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a plan view illustrating an example of a vehicle lamp according to an embodiment.FIG. 2 illustrates an example of a configuration of the vehicle lamp as viewed from a front side.FIG. 3 illustrates the example of the configuration of the vehicle lamp as viewed from the front side.FIG. 4 illustrates the configuration along an A-A cross section in FIG. 2.FIG. 5 is a perspective view illustrating an example of the vehicle lamp.FIG. 6 illustrates an example of a reflector.FIG. 7 illustrates the example of the reflector.FIG. 8 illustrates an example of the operation of the vehicle lamp.FIG. 9 illustrates an example of an illumination pattern made by the vehicle lamp. EMBODIMENTS FOR CARRYING OUT THE INVENTION An embodiment of a vehicle lamp according to the present invention will be described below with reference to the drawings. The present invention is not limited to the embodiment. Components in the embodiment below include components easily replaceable by a skilled person and substantially the same components. In the following description, front and rear directions (forward, rearward), up and down directions (upward, downward), and left and right directions (leftward, rightward) are directions in a state in which the vehicle lamp is mounted on a vehicle, namely, directions when looking ahead while sitting in the driver's seat. Note that, in the embodiment, the up-down direction is parallel to the vertical direction, and the left-right direction is the horizontal direction. FIG. 1 is a plan view illustrating an example of a vehicle lamp 100 according to the embodiment. FIGS. 2 and 3 illustrate an example of a configuration of the vehicle lamp 100 as viewed from the front side. FIG. 3 illustrates a state in which a projection lens 30 is omitted from FIG. 2. FIG. 4 schematically illustrates the configuration along an A-A cross section in FIG. 2. FIG. 5 is a perspective view illustrating an example of the vehicle lamp 100. FIG. 5 illustrates the vehicle lamp 100 as viewed from the rear side and the upper side. The vehicle lamp 100 illustrated in FIGS. 1 to 5 is used as a headlamp of the vehicle. Vehicle lamps 100 are attached to, for example, left and right front portions of the vehicle. The vehicle lamp 100 mounted on the front left side of the vehicle will be described below in an example. Therefore, in the vehicle lamp 100, a left side in the left-right direction is a vehicle inside, and a right side in the left-right direction is a vehicle outside. Note that a vehicle lamp attached on the front right side of the vehicle can have a configuration that is left-right symmetric to the vehicle lamp 100. As illustrated in FIGS. 1 and 2, the vehicle lamp 100 includes light sources 10, a reflector 20, the projection lens 30, and a heat dissipating member 40. The vehicle lamp 100 forms an illumination pattern ahead of the vehicle. The vehicle lamp 100 has a so-called one-sided light distribution configuration. That is, the vehicle lamp 100 forms a right portion of