Fluoride phosphor including sheet-like crystal and manufacturing method and application thereof
US10023794B2 · kind B2 · utility
1Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2017 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Oct 5, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/841
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fluoride phosphor including a sheet-like crystal and a manufacturing method and an application therefore are disclosed. The fluoride phosphor has a chemical formula A2[MF6]:Mn4+, with Mn4+ as an activator. The A is Li, Na, K, Rb, Cs, NH4 or a combination thereof. The M is Ge, Si, Sn, Ti, Zr or a combination thereof. The sheet-like crystal has a thickness d. A crystal flat surface of the sheet-like crystal has a maximum length a. The maximum length a is defined as a distance between two end points on an edge of the crystal flat surface and farthest from each other. 8≤a/d≤35.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.