Two-sided illumination LED lens and LED module and LED two-sided illumination system using the same
US7740366B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2008 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Sep 18, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to two-sided illumination LED lens and LED module and an LED two-sided illumination system using the same; and, more particularly, to two-sided illumination LED lens and LED module including an incidence unit on which light impinges; a first exit unit corresponding to the incidence unit and transmitting a portion of the light upward; a reflection unit extended from the first exit unit and reflecting another portion of the light; and a second exit unit facing the first exit unit and transmitting the light reflected at the reflection unit downward, and an LED two-sided illumination system using the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.