Phosphate phosphor, light emitting device, and detecting device
US11879084B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Nov 25, 2020 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Dec 29, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In the present disclosure embodiments, a phosphate phosphor including an activation center of trivalent chromium and a light emitting device are provided. The light emitting device includes a light source and the above mentioned phosphate phosphor, such that the phosphate phosphor is excited by the light source and emits a wide spectrum of the infrared light. The light emitting device with wide emission spectrum of the infrared light may be widely applied in detecting devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.