PHOSPHOR MATERIALS AND RELATED DEVICES

摘要

A phosphor material is presented that includes a blend of a first phosphor, a second phosphor and a third phosphor. The first phosphor includes a composition having a general formula of RE2-y M1+y A2-y Scy Sin-w GewO12+delta : Ce3+wherein RE is selected from a lanthanide ion or Y3+, where M is selected from Mg, Ca, Sr or Ba, A is selected from Mg or Zn and where 0<=y<<=2,, 2.5<=n<=3.5, 0<=w<=1, and -1.5<=delta<=1.5. The second phosphor includes a complex fluoride doped with manganese (Mn4+), and the third phosphor include a phosphor composition having an emission peak in a range from about 520 nanometers to about 680 nanometers. A lighting apparatus including such a phosphor material is also presented. The light apparatus includes a light source in addition to the phosphor material.