Patent ID: 6469322
Filing Date: 2002-10-22
Classification: C09K,F21K,F21V,F21Y,H01L,Y02B

Abstract:
A light source comprising:a light emitting component which emits light at a first wavelength; and a phosphor material positioned to receive the light emitted by the light emitting component, the phosphor material including a green-emitting phosphor which converts a portion of the light of the first wavelength to light of a second, longer wavelength, the green-emitting phosphor having the general formula LnxBO3: Ce3+y, Tb3+z, where: x=1âˆ’(y+z); 00.01&lE;y&lE;0.5; 0.02&lE;z&lE;0.5; and Ln includes one or more of Sc, Y, La, Gd, Lu, and other lanthanide elements.