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Yuichi HARANO Kunio YOSHIDA Heiju UCHIIKE
In order to improve luminance and luminous efficiency of color ac plasma displays (PDPs), absorption characteristics of ultraviolet rays were investigated for dielectric materials from a viewpoint of protecting layer of ac PDPs. The double protecting layer of MgF2 and MgO is clarified to be excellent property to improve the optical performance of color ac PDPs. The double protecting layer of MgF2 and MgO was applied to the barrier-rib electrode color ac PDPs and resulted in high luminance and luminous efficiency of 1030 cd/m2 and 1.0lm/W, respectively.