| abstract |
An oxynitride phosphor activated by a rare earth element, represented by the formula Ca x Si 12−(m+n) Al (m+n) O n N 16−n : Eu y Dy z , wherein stabilizing metal (Ca) is substituted partially by Eu or Eu and Dy where 0.3<x<1.5, 0.01<y<0.7, 0≦z<0.1, 0.6<m<3.0 and 0<n<1.5. |