Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Linda Jane Valyou Briel0
Anant Achyut Setlur0
Dan Hancu0
Holly Ann Comanzo0
Alok Mani Srivastava0
Date of Patent
August 11, 2009
0Patent Application Number
107977840
Date Filed
March 10, 2004
0Patent Primary Examiner
Patent abstract
Phosphor compositions having the formula (Ba,Sr,Ca)SiO4:Eu and light emitting devices including a semiconductor light source and the above phosphor. Also disclosed are blends of (Ba,Sr,Ca)SiO4:Eu and one or more additional phosphors and light emitting devices incorporating the same. Preferred blends include (Sr,Ba,Ca)2SiO4:Eu and at least one of (Sr,Mg,Ca,Ba,Zn)2P2O7:Eu,Mn; (Ca,Sr,Ba,Mg)5(PO4)3(Cl,F,OH):Eu,Mn; (Sr,Ba,Ca)MgAl10O17:Eu,Mn; and Mg4FGeO6:Mn4+; and one or more garnet phosphors having the general formula (Y,Gd,La,Lu,T,Pr,Sm)3(Al,Ga,In)5O12:Ce.
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