Light emitting diode illumination system
US8098375B2 · kind B2 · utility
19Cited by
112References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 2008 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Jul 3, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/0627
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In various embodiments of the invention, a unique construction for Light Emitting Diodes (LEDs) with at least one luminescent rod and extracting optical elements used to generate a variety of high brightness light sources with different emission spectra. In an embodiment of the invention, forced air cooling is used to cool the luminescent rod. In an embodiment of the invention, totally internal reflected light can be redirected outward and refocused. In another embodiment of the invention, light emitted by the luminescent rod is out-coupled for use in a variety of applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.