Light guide module with adjustable contour surface illumination
US9010982B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2011 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Dec 5, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0028
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guide module with adjustable lighting of a contour surface is composed of light sources and a light guide. The light guide is composed of a primary part, a Y-shaped branch, and a secondary part with a contour surface. The supporting surface of the Y-shaped branch of the light guide is composed of a system of directional optical elements, is of prismatic shape, conical shape, or a combination thereof, and has a vertex on the optical axis of the primary part of the light guide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.