Phosphor composition, light emitting device, and the method of preparing the phosphor composition
US9062253B2 · kind B2 · utility
4Cited by
0References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 7, 2012 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Sep 13, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8512
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There are provided a phosphor and a light emitting device. The phosphor includes a phosphor composition including a rare-earth element employed in a compound represented by the equation: L3Si6N11, wherein L is one or more elements selected from La, Y, Gd and Lu, the rare-earth element is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Tb, Ho, Er, Tm and Yb. The phosphor composition is provided in particle form. The particle has at least a portion of a plane perpendicular to a [001] direction to be flat thereon so as to have a crystal plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.