Phosphors and preparation method thereof as well as white LED
US11332665B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Nov 23, 2018 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Nov 10, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are a phosphors, a preparation method thereof and a white LED. The phosphors with a chemical formula being α-Ba3Y1-x(BO3)3:xDy3+ is obtained by doping Dy3+ and is a single-matrix phosphors which can be excited by near-ultraviolet light to emit white light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.