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Shankar M V
Ramachandran Gopi Chandran, Madras Venugopal Shankar, Venkatraman Sivaramakrishan, Hari Nadathur Seshadri: Borate phosphor materials for use in lighting applications. Lumination, Fay Sharpe, September 25, 2007: US07274045 (58 worldwide citation)

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− ...


2
Ramachandran Gopi Chandran, Dan Hancu, Nadagouda Mallikarjuna, Emil Vergilov Radkov, Anant Achyut Setlur, Venkatraman Sivaramakrishan, Alok Mani Srivastava, Madras Venugopal Shankar: Novel oxynitride phosphors. Scott A McCollister Esq, Fay Sharpe Fagan Minnich & McKee, March 9, 2006: US20060049414-A1

Disclosed are oxynitride and oxide phosphor compositions having various formulations. Also disclosed are phosphor blends of the above phosphors and one or more additional phosphors and light emitting devices incorporating the same. The phosphors and their blends can be used in saturated color light ...


3
Ramachandran Gopi Chandran, Madras Venugopal Shankar, Venkatraman Sivaramakrishan, Hari Nadathur Seshadri: Borate phosphor materials for use in lighting applications. GELcore, Fay Sharpe Fagan Minnich & Mckee, September 21, 2006: US20060208270-A1

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 ...