AC LED array module for street light applications
US9127829B2 · kind B2 · utility
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20Claims
0Family size
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Key dates
| Filing date | Apr 30, 2013 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Jul 13, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/72
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A street light includes a pole, arm and a head attached to the pole, wherein the head comprises a light source having a plurality of solid state light emitting devices and an optical element configured to produce a light distribution pattern from light emitted from the solid state light emitting devices, wherein the light source is configured to be powered directly from an AC source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.