Light emitting diode based lamp
US8206015B2 · kind B2 · utility
16Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2011 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | May 3, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting diode (LED) based lamp may include a LED module having at least one LED to provide light, a housing to house the LED module, and a lens to receive the light from the LED and to direct the light in a specific direction. A microlens array may have a plurality of microlenses with a polygonal shape, and a distance between two opposing sides of one of the microlens is 0.7 mm to 1.2 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.