Spotlight and method of lighting up an object
US8456107B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 25, 2010 |
| Grant date | Jun 4, 2013 |
| Priority date | — |
| Expiry date | Feb 25, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Embodiments show a spotlight comprising light emitting diode modules wherein each LED module comprises at least two light emitting diodes with different light emission spectra and a light mixer, wherein each light mixer is arranged at one side of the light mixer in cooperation with an assigned LED module and each light mixer is configured to mix the different light emission spectra of the at least two LEDs of the assigned LED module to form a light beam, and wherein exit surfaces at the other side of the light mixers are arranged next to each other in a matrix with its light beams of the light mixers form a common light beam and a focusing optics for focusing the common light beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.