LED runway lighting assembly and dedicated optical device
US9097394B2 · kind B2 · utility
0Cited by
1References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 14, 2013 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Jun 14, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device includes a light source and an optical element, the light source includes a plurality of light emitting diodes aligned. The optical element being shaped to focus a light beam emitted by the light source in a plane orthogonal to the line of light emitting diodes and to deflect said light beam parallel to an illuminating plane including the line of light emitting diodes so as to form a light beam having an ellipsoidal section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.