Patent · US Active

Light source distribution element for headlight device, headlight device, and headlight module

US12209725B2 · kind B2 · utility

0Cited by
0References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 2021
Grant dateJan 28, 2025
Priority date
Expiry dateMay 12, 2041

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21Y2115/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A light source distribution element for headlight device includes: a first light guide portion that is located between a first joint surface of an incident portion and a first emission portion, and is to guide light from the first joint surface of the incident portion to the first emission portion; and a second light guide portion that is located between a second joint surface of the incident portion and a second emission portion, has a first reflection surface formed on one of opposite side faces of the second light guide portion and a second reflection surface formed on the other one of the opposite side faces, and is to reflect light from the second joint surface of the incident portion by using the first reflection surface and the second reflection surface to guide the light to the second emission portion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.