Phosphors with narrow green emission
US10017396B1 · kind B1 · utility
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27References
30Claims
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Key dates
| Filing date | May 10, 2017 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | May 10, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/6417
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A luminescent composition of matter is characterized by the formula REM2+xEy, where RE may be one or more Rare Earth elements (for example, Eu or Gd), M may be one or more elements selected from the group Al, Ga, B, In, Sc, Lu, and Y; E is one or more elements selected from the group S, Se, O, and Te; x is greater than zero; and y has the value that achieves charge balance in the formula assuming that E has a charge of −2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.