Green halophosphate phosphor

Claim 1

A STRONTIUM HALOPHOSPHATE PHOSPHOR MATERIAL ACTIVATED BY ANTIMONY AND MANGANESE AND HAVING AS ESSENTIAL ELEMENTS SR, P, O, MN, SB AND ONE OF THE GROUP CONSISTING OF F AND F PLUS CL AND CONSISTING OF THE FIRED REACTION PRODUCT OF: STONTIUM- AND PHOSPHOROUS- AND OXYGEN-CONTAINING MATERIAL WHICH CAN FORM SR3(PO4)2 WITH AN EXCESS OF P2O5 AND WHICH MATERIAL IS FREE FROM NON-VILATILE CONSTITUENTS OTHER THAN SAID ESSENTIAL ELEMENTS ONE OF THE GROUP CONSISTING OF STRONTIUM- AND FLUORINE-CONTAINING MATERIAL AND STRONITUM- AND FLUORINE- AND CHLORINECONTAINING MATERIAL WHICH CAN RESPECTIVELY FROM SRF2 AND MIXTURES OF SRF2 AND SRCL2 AND WHICH CHLORINETERIAL A FREE FROM NON-VOLATILE CONSTITUENTS OTHER THAN SAID ESSENTIAL ELEMENTS, MANGANESE-CONTAINING MATERIAL CONSISTING OF MANGANESE COMPOUNDS WHICH ARE FREE FROM NON-VOLATILE CONSTITUENTS OTHER THAN SAID ESSENTIAL ELEMENTS AND ANTIMONY-CONTAINING MATERIAL CONSISTING OF ANTIMONY COMPOUNDS WHICH ARE FREE FROM NON-VOLATILE CONSTITUENTS OTHER THAN SAID ESSENTIAL ELEMENTS; SAID ESSENTIAL ELEMENTCONTAINING MATERIALS BEING PRESENTED IN THE FOLLOWING STATED PROPORTIONS: SAID SR3(PO4)2 AND EXCESS P2O5-FORMING MATERIAL BEING PRESENT IN AMOUNTS SUFFICIENT TO FORM 3 MOLES SR3(PO4)2 WITH AN EXCESS OF FROM 0.10 TO 0.35 MOLE P2O5, SAID STRONTIUM HALIDE-FORMING MATERIAL BEING PRESENT IN AMOUNTS SUFFICIENT TO FORM FROM 1 TO 1.25 MOLES OF TOTAL STRONTIUM HALIDE WITH THE MOLAR RATIO OF SRF2 TO SRCL2 BEING FROM 2:1 TO ALL SRF2, SAID MANGANESE-CONTAINING COMPOUND BEING PRESENT IN AMOUNTS TO PROVIDE FROM 1.0% TO 1.4% BY WEIGHT OF MN EXPRESSED AS A PRESENT BY WEIGHT OF THE PHOSPHOR, SAID ANTIMONY-CONTAINING COMPOUND BEING PRESENT IN AMOUNTS TO PROVIDE FROM 1.0% TO 3.0% BY WEIGHT OF SB EXPRESSED AS A PRESENT BY WEIGHT OF THE PHOSPHOR; THE PHOSPHOR HAVING BEEN MADE BY MIXING TOGETHER THE FOREGOING RAW-MIX COMPONENTS; AND FIRING SAID MIXED RAW-MIX COMPOUNTS AT FROM ABOUT 1220*C. TO ABOUT 1280*C.