Illumination device
US7339157B2 · kind B2 · utility
3Cited by
2References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 11, 2007 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Jan 11, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/856
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illumination device, comprising a light emitting diode (11) fixed on a circuit board (12). The illumination device furthermore has an optical element (10) disposed downstream of the light emitting diode (11) in a main emission direction (15), the optical element (10) being configured for directing a first portion (6a) of the electromagnetic radiation (9) emitted by the light emitting diode (11) during operation through the circuit board (12) in a direction away from the circuit board (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.