Lighting device
US8482186B2 · kind B2 · utility
23Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2010 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | May 3, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0016
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device includes a light guide body and at least one light-emitting unit. The light guide body has a light guide channel and a local roughened surface on the light guide channel as a scattering region. The at least one light-emitting unit is capable of emitting a light into the light guide channel, wherein at least one portion of the light is guided to the scattering region, and the scattering region scatters the light as a local light source region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.