Patent ID: 10539275

Abstract:
The invention provides, amongst others for application in a lighting unit, a phosphor selected from the class of M2D2C2-2bBbA2N6:Ln  (I) with  M=selected from the group consisting of divalent Ca, Sr, and Ba;  D=selected from the group consisting of monovalent Li, divalent Mg, Mn, Zn, Cd, and trivalent Al and Ga;  C=selected from the group consisting of monovalent Li and Cu;  B=selected from the group consisting of divalent Mg, Zn, Mn and Cd;  A=selected from the group consisting of tetravalent Si, Ge, Ti, and Hf;  Ln=selected from the group consisting of ES and RE;  ES=selected from the group consisting of divalent Eu, Sm and Yb;  RE=selected from the group consisting of trivalent Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, and Tm; and  0≤b≤1.