Lighting apparatus
US7473019B2 · kind B2 · utility
28Cited by
9References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 2005 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Sep 29, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133611
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lighting apparatus, particularly for the use as lighting elements in signage or as backlighting apparatus, which comprises a cavity formed by a light emitting front side, a reflective backside arranged opposite to the front side and a sidewall, and a plurality of light emitting semiconductor components mounted on the sidewall in such a way that their light is irradiated in the cavity. The reflective backside of the cavity is formed in such a way that the cavity is divided into at least two partitions directing the light to the front side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.