Vehicle light guide and vehicle lamp
AssigneeIchikoh Industries, Ltd.
InventorHiroaki Oku
Life of this patent
Estimating the term…
Abstract
To radiate light with uniform color and illuminance in a longitudinal direction, this vehicle light guide is rod-shaped and is disposed at a front portion of a vehicle. The vehicle light guide includes a base portion having a curved portion curved rearward from a front toward a side of the vehicle and guiding light from a light source so as to be emitted from an emission face at a front side of the vehicle, a plurality of prism portions arrayed in a longitudinal direction along a back face of the base portion and that reflect light forward, and a diffusing portion positioned in at least the curved portion in the longitudinal direction of the base portion and provided in a strip form on a bottom face side of the prism portions, and that diffuses light.
Claims10
A vehicle light guide, comprising:
- a rod-shaped base portion disposed at a front portion of a vehicle in a state of being installed in the vehicle, the base portion having a curved portion curved rearward from a front face of the vehicle toward a side face at an outer side of the vehicle, and guiding light from a light source to emit the light from an emission surface at a front side facing forward and sideways of the vehicle;
- a plurality of prism portions arranged along a longitudinal direction on a back face side with respect to the emission surface of the base portion and reflecting the light toward the front side;
- and
- a diffusing part that is a part of an inner surface of the base portion and diffuses the light guided in the base portion, the part being positioned at a front lower portion of the base portion when viewed from diagonally above the front side of the vehicle, in a range including at least the curved portion in the longitudinal direction of the base portion to diffuse the light to the inner surface of the base portion and having a form of a strip extending along the prism portions.
Dependencies are inferred from the claim text.