Light guiding unit, light guiding device, and lighting and/or signal indicating device
US10042111B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2016 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Aug 4, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2105/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guiding unit, light guiding device, and lighting and/or signal indicating device comprising a light entry side, for receiving incident light; a light exit side, opposite the light entry side, for emitting emergent light; and a first reflecting side, on which is disposed a reflecting face for reflecting, towards the light exit side, at least a portion of light that has entered through the light entry side, wherein the first and second entry faces have curved shapes and are disposed on the light entry side, the first and second entry faces receiving a first incident and a second incident light portion respectively, and collimating the first incident and second incident light portion respectively in a plane lying along a first direction, wherein one of the first and second entry faces guides the first or second incident light portion corresponding thereto towards the reflecting face on the first reflecting side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.