Wavelength converter; method of its making and light-emitting device incorporating the element
US11584882B2 · kind B2 · utility
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7Claims
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Assignee
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Key dates
| Filing date | Feb 14, 2020 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | Jan 4, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0361
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is directed to a wavelength converter comprising a non-luminescent substrate layer, at least one polysiloxane layer, wherein at least one of the polysiloxane layers comprises a phosphor material.Furthermore, the present invention is directed to a method for preparing a wavelength converter, a light emitting device and a method for preparing a light emitting device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.