Optical indicating device, vehicle lamp and motor vehicle
US10655813B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2018 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Sep 7, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2103/60
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical indicating device, a vehicle lamp including the optical indicating device, and a motor vehicle are provided. The optical indicating device includes: at least one light source emitting a light beam; and a patterning device arranged to form an indicating pattern when a light beam emitted from the light source is transmitted through the patterning device; the patterning device includes an patterning unit arranged to pattern the light beam, and a plurality of light deflecting portions arranged adjacent to each other are formed on a side of the patterning unit facing towards the light source or facing away from the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.