Borate phosphor materials for use in lighting applications

Details Borate phosphor materials for use in lighting applications Borate phosphor materials for use in lighting applications

2007-09-25

2007-09-25

Nguyen, Cuong (Department: 2811)

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

Encapsulated

C257S103000

Reexamination Certificate

active

11082425

ABSTRACT:
Boron containing phosphor compositions having the formulas (1) M3Ln2(BO3)4doped with at least one activator selected from the group of Eu2+, Mn2+, Pb2+, Ce3+, Eu3+, Tb3+, and Bi3+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; (2) M2−xM′x(Al, Ga)2−y(Si, Ge)yB2O7−zNz:Eu2+, Mn2+, Pb2+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; (3) M′2−x+y′M″x−y′(Al, Ga)2−y(Si, Ge)yB2O7−z−y′NzXy:Eu2+, Mn2+, Pb2+, 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; (4) M′2−xM″xAl2−y+y′Siy−y′B2O7−z−y′NzXy:Eu2+, Mn2+, Pb2+, 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; (5) M′2−x+x′M″x−x″Al2−y+y′Siy−y′B2O7−z−x′−y′NzX(x′+y′):Eu2+, Mn2+, Pb2+, 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; (6) MAl2B2O7:Eu2+, Mn2+, Pb2+; where M═Mg, Ca, Sr, Ba or Zn; (7) MAl2−xSixB2O7−xNx:Eu2+, Mn2+, Pb2+, where M═Mg, Ca, Sr, Ba and/or Zn, and 0≦x≦2; and (8) MAl2B2−xSixO7−xNx:Eu2+, Mn2+, Pb2+, where M═Mg, Ca, Sr, Ba and/or Zn, and 0≦x≦2. Also disclosed are light emitting devices including a light source and at least one of the above phosphor compositions.

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