Light emitting diode (LED) red fluorescent material and lighting device having the same
US9153754B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2012 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Jun 29, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B33/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided are a Light Emitting Diode (LED) red fluorescent material and a lighting device having the same. The florescent material consists of elements M, A, D, X, L and Z, wherein element M at least contains one or more than one element of Be, Mg, Ca, Sr, Ba and Zn; element A at least contains one or more than one element of B, Al, Ga, In, La, Gd, Lu, Sc and Y; element D at least contains one or more than one element of Si, Ge, C, Sn, Ti, Zr and Hf; element X at least contains one or more than one element of N, O and F; element L at least contains one or more than one element of S, Se and Te; and element Z at least contains one or more than one element of a rare earth element or a transition-metal element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.