LED illumination module with large light emitting angle
US8100553B2 · kind B2 · utility
3Cited by
3References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 14, 2009 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Sep 21, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED illumination module comprises a plurality of supporters each comprising a bottom plate and a lateral plate extending upwardly and slantwise from the bottom plate, an LED mounted on an outer surface of each of the lateral plates of the supporters, and a lens covering the LED. An inclined angle θ of the lateral plate relative to the bottom plate and a light emitting angle φ of the LED adjusted by the lens covering thereon meet a formula: θ+φ>90°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.