Vehicular lamp fitting
US10738959B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 11, 2019 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Jun 11, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0038
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vehicular lamp fitting, comprising a light guiding plate having a front surface and a back surface, and a light source which emits light guided by the light guiding plate, wherein the front surface includes first light control surfaces, the back surface includes second light control surfaces, and concave portions each of which is disposed between two adjacent second light control surfaces, the first light control surface is a refraction surface which is configured such that the exit angle of the light from the light source in the horizontal direction, which is refracted and exits through the first light control surface, be a predetermined angle, and the second light control surface is a reflection surface which is configured such that the exit angle of the light from the light source in the vertical direction, which exits through the first light control surface, be a predetermined angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.