Motor vehicle light guide and reflective coupler system for outboard homogenous lit appearance of lamp module
US10962194B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2019 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Dec 14, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The subject inventive arrangement extends the width of a light-reflective coupler to be offset behind a successive coupler that creates an additional angled reflective surface that apportions light towards an outboard side rather than towards the primary optical axis direction and controls to redirect light at specific angles or enhances light distribution spread so as to improve lighting effects and enhance vehicle appearance. The present invention relates to automotive lighting modules that include multiple light sources a light guide, light-reflective couplers, optical facets, a light-exit face and a light-guiding portion. Coupler profiles are formed by a curved facet and a joined angled facet where associated couplers are juxtaposed and offset from adjoining couplers. Angled surfaces include multiple light reflecting facets adapted to receive collimated light, which are directed towards a vehicle's outboard side. Each coupler's curved facet receives other collimated light directed towards a forward direction of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.