Method for enhancing light directivity of a lighting apparatus
US8231238B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2011 |
| Grant date | Jul 31, 2012 |
| Priority date | — |
| Expiry date | Apr 4, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133604
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention discloses a method for enhancing light directivity of a lighting apparatus. The method for enhancing light directivity of a lighting apparatus, comprising providing a light source module that comprises at least one light emitter; and providing a reflecting device that surrounds said light emitter or said light source module to reflect light emitted from said light emitter and direct the light toward a same direction, wherein said reflecting device comprises a first surface, said first surface comprises at least two planes in which every two planes are connected with an included angle more than 90 degrees and less than 180 degrees, said reflecting device surrounds one light emitter or surrounds said light source module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.