LED luminaire capable of increasing the view angle
US8427037B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 13, 2011 |
| Grant date | Apr 23, 2013 |
| Priority date | — |
| Expiry date | Jul 15, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A luminaire includes a lamp holder, a first light-emitting module, a second light-emitting module, a light guide, and a lamp cover. The lamp holder has a top portion. The top portion includes a first upper face and a platform projecting upwardly from the first upper face. The platform has a second upper face at a top end thereof. The first light-emitting module is disposed on the first upper face and around the platform. The second light-emitting module is disposed on the second upper face. The light guide is disposed around the platform and on the first light-emitting module. The lamp cover is disposed on the lamp holder for covering the first light-emitting module, the second light-emitting module, and the light guide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.