Phosphors for LED lamps
US8506104B1 · kind B1 · utility
6Cited by
7References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2012 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Mar 28, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8513
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A phosphor, a phosphor blend including the phosphor, a phosphor prepared by a process, and a lighting apparatus including the phosphor blend are disclosed. The phosphor has the formula (Ca1-p-qCepKq)xScy(Si1-rGar)zO12+δ or derived from a process followed using disclosed amounts of reactants. In the formula, (0<p≦0.06); 0≦q≦0.06; 0≦r≦0.2; and −0.1≦δ≦0.4. In one embodiment, 3<x≦3.1; 2≦y≦2.15; and 3≦z≦3.2. Similarly, in another embodiment, 3≦x≦3.1; 2<y≦2.15; and 2.8≦z≦3.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.