Phosphor and light-emitting device including the same
US9725648B2 · kind B2 · utility
5Cited by
47References
19Claims
0Family size
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Key dates
| Filing date | Dec 10, 2014 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Jun 19, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/181
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A yellow phosphor is provided. The yellow phosphor includes a crystal formed of a compound that is represented by the following formula (1): Ln4−x(EuzM1−z)xSi12−yAlyO3+x+yN18−x−y(0.5≦x≦3, 0<z<0.3, 0<y≦4) (1), wherein Ln includes at least one rare earth element, and M includes at least one selected from calcium (Ca), barium (Ba), strontium (Sr), and magnesium (Mg).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.