07274045 is referenced by 54 patents and cites 91 patents.

Boron containing phosphor compositions having the formulas (1) M3Ln2(BO3)4 doped 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.

Title
Borate phosphor materials for use in lighting applications
Application Number
11/82425
Publication Number
7274045 (B2)
Application Date
March 17, 2005
Publication Date
September 25, 2007
Inventor
Hari Nadathur Seshadri
Bangalore
IN
Venkatraman Sivaramakrishan
Karnataka
IN
Madras Venugopal Shankar
Karnataka
IN
Ramachandran Gopi Chandran
Karnataka
IN
Agent
Fay Sharpe
Assignee
Lumination
OH, US
IPC
H01L 33/00
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