Wavelength conversion through remote phosphor on a support wheel
US9388966B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Jun 9, 2011 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Oct 21, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device may include at least one phosphor region which can be irradiated by a primary light source, and at least one optical filter region which can be disposed downstream of the at least one phosphor region, wherein the at least one phosphor region and the at least one filter region are arranged at a different level on a common support wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.