PHOSPHOR AND PLASMA DISPLAY PANEL

摘要

An objective is to provide a phosphor in which prevention of aging deterioration of luminance and prevention of deterioration of discharging characteristics are compatible, a method of manufacturing the phosphor, and a plasma display panel manufactured by using the phosphor. Disclosed is a phosphor of the invention containing Mn as an activator is one containing Mn serving as a major emission, wherein a ratio of an activator concentration in a superficial portion of a phosphor particle to an activator concentration inside the phosphor particle is 0.3 - 0.7.