DISPLAY DEVICE AND GREEN PHOSPHOR

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A display device which has at least a phosphor layer, characterized in that the phosphor layer comprises a green phosphor represented by the following general formula : (A1-xBx)(Zn1-y Mny)Al10O17 wherein A represents an element selected from among Ca, Ba and Sr, B represents a rare earth element, x is a number satisfying 0.0001 <= x <= 0.1, and y is a number satisfying 0.02 <= x <= 0.14.