Light-guiding system comprising a plate-like light-emitting element
US7401964B2 · kind B2 · utility
1Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2004 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Jan 12, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0048
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light-guiding system comprising a plate-like light-emitting element (20) provided with means for emitting light through at least part of its front surface (22). Light is coupled in by a plate-like light-guiding member (21) connected to a lateral side of said lightemitting element (20). One or more interstices (25) are present between said light-emitting element (20) and said light-guiding member (21).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.