Patent · US Active

Optical element for modifying the distribution of a light beam, for a motor vehicle headlight

US11487052B2 · kind B2 · utility

0Cited by
0References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 2019
Grant dateNov 1, 2022
Priority date
Expiry dateJul 5, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21S41/43
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention relates to an optical element including a resin body having a functional surface covered with a reflective coating capable of reflecting light beams, the reflective coating including a copper layer covering at least the functional surface, a nickel layer covering the copper layer, and a chromium layer covering the nickel layer.

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