The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 25, 2007
Filed:
Mar. 17, 2005
Ramachandran Gopi Chandran, Karnataka, IN;
Madras Venugopal Shankar, Karnataka, IN;
Venkatraman Sivaramakrishan, Karnataka, IN;
Hari Nadathur Seshadri, Bangalore, IN;
Ramachandran Gopi Chandran, Karnataka, IN;
Madras Venugopal Shankar, Karnataka, IN;
Venkatraman Sivaramakrishan, Karnataka, IN;
Hari Nadathur Seshadri, Bangalore, IN;
Lumination LLC, Valley View, OH (US);
Abstract
Boron containing phosphor compositions having the formulas (1) MLn(BO)doped with at least one activator selected from the group of Eu, Mn, Pb, Ce, Eu, Tb, and Biwhere 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) MM'(Al, Ga)(Si, Ge)BON:Eu, Mn, Pbwhere 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′M″(Al, Ga)(Si, Ge)BONX:Eu, Mn, Pb, 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′M″Al′SiBONX:Eu, Mn, Pb, 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′M″AlSiBONX:Eu, Mn, Pb, 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) MAlBO:Eu, Mn, Pb; where M═Mg, Ca, Sr, Ba or Zn; (7) MAlSiBON:Eu, Mn, Pb, where M═Mg, Ca, Sr, Ba and/or Zn, and 0≦x≦2; and (8) MAlBSiON:Eu, Mn, Pb, 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.