Patent ID: 7274045

Claim:
A lighting apparatus for emitting white light comprising: a semiconductor light source; and a phosphor composition radiationally coupled to the light source, the phosphor composition comprising a phosphor composition including at least one of: (A) M 3 Ln 2 (BO 3 ) 4 doped with at least one activator selected from the group of Eu 2+ , Mn 2+ , Pb 2+ , Ce 3+ , Eu 3+ , Tb 3+ , and Bi 3+ where M is at least one of Mg, Ca, Sr, Ba, or Zn, and Ln is at least one of Sc, Y, La, Gd, or Lu; (B) M′ 2−x M′ x (Al, Ga) 2−y (Si, Ge) y B 2 O 7−z N z :Eu 2+ , Mn 2+ , Pb 2+ where M′ is one or more of alkali metals Na and/or K, M″ is one or more of alkaline earth Mg, Ca, Sr, Ba or Zn, 0≦x≦2, 0≦y≦2, 0≦z≦4; and z=x+y; (C) M′ 2−x+y′ M″ x−y′ (Al, Ga) 2−y (Si, Ge) y B 2 O 7−z−y′ N z X y :Eu 2+ , Mn 2+ , Pb 2+ , where M′ is one or more of alkali metals Na and/or K, M″ is one or more of alkaline earth metals Mg, Ca, Sr, Ba and/or Zn, 0≦x≦2, 0≦y≦2, 0≦z≦4; z=x+y, X═F and/or Cl, and 0≦y′≦2; (D) M′ 2−x M″ x Al 2−y+y′ Si y−y′ B 2 O 7−z−y′ N z X y :Eu 2+ , Mn 2+ , Pb 2+ , where M′ and M″ are defined above, 0≦x≦2, 0≦y≦2, 0≦z≦4; z=x+y, X═F and/or Cl, and 0≦y′≦2; (E) M′ 2−x+x′ M″ x−x″ Al 2−y+y′ Si y−y′ B 2 O 7−z−x′−y′ N z X (x′+y′) :Eu 2+ , Mn 2+ , Pb 2+ , where M′ and M″ are defined above, 0≦x≦2, 0≦y≦2, 0≦z≦4; z=x+y, X═F and/or Cl, and 0≦y′≦2; (F) MAl 2 B 2 O 7 :Eu 2+ , Mn 2+ , Pb 2+ where M═Mg, Ca, Sr, Ba and/or Zn; (G) MAl 2−x Si x B 2 O 7−x N x :Eu 2+ , Mn 2+ , Pb 2+ , where M═Mg, Ca, Sr, Ba and/or Zn, and 0≦x≦2; or (H), MAl 2 B 2−x Si x O 7−x N x :Eu 2+ , Mn 2+ , Pb 2+ , where M═Mg, Ca, Sr, Ba and/or Zn, and 0≦x≦2.