| abstract |
Provided, among other things, is a phosphor according to the formula: A. a phosphor according to the following formula n nM f Si a Al b B c N d O g :Rε,Z (A); or nB. a phosphor according to the following formula n nMsn:Rγ,Z 2 (B) nwherein Msn is a silicon nitride or silicon nitride-oxide of one of: n n(M x 1 M 1−x 2 )(Si 5 N 8 ):Rγ,Z 2 (i) n nLsno:Rγ,Z 2 (ii) n nLn 2 Si 3−z Al z O 3+z N 4−z :Rγ,Z 2 (iii) nLsno is a lanthanide silicon nitride-oxide of one of: n nLn(SiO 4 )N 3 :Rγ,Z 2 (iia) n nLnSi 2 O 7 N 2 :Rγ,Z 2 (iib) n nLnSiO 2 N:Rγ,Z 2 (iic) n nLn 2 SiO 3 N 4 :Rγ,Z 2 (iid) n nLn 2 Si 8 O 4 N 11 :Rγ,Z 2 (iie); or n nM n 3 Si 3−y BO 3+y N 4−y :Rδ,Z 3 (C); or n nM f1 4 Si a1 Al b1 B c1 N d1-e1-g1 O g1 D e1 :RφZ 4 (D) n nwherein D is P, Bi, Sb, As or a mixture thereof, and Rε, Rγ, Rδ and Rφ are activators, and M, M 1 , M 2 , M 3 and M 4 are cations. |