Materials and optical components for color filtering in a lighting apparatus
US10910212B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | May 26, 2020 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | May 26, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/854
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Materials and optical components formed thereof that are suitable for use in a lighting apparatus to impart a color filtering effect to visible light. At least a portion of such an optical component is formed of a composite material comprising a polymeric matrix material and an inorganic particulate material that contributes a color filtering effect to visible light passing through the composite material, and the particulate material comprises a neodymium compound containing Nd3+ ions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.