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자료유형
학술대회자료
저자정보
Han, Bo-Yong (Dept. of Chemical Engineering, Chung-Ang University) Jeoung, Byung-Woo (Dept. of Chemical Engineering, Chung-Ang University) Hong, Gun-Young (Dept. of Chemical Engineering, Chung-Ang University) Yoo, Jae-Soo (Dept. of Chemical Engineering, Chung-Ang University) Ha, Chang-Hun (School of Electrical Engineering, Seoul University) Whang, Ki-Woong (School of Electrical Engineering, Seoul University)
저널정보
한국정보디스플레이학회 한국정보디스플레이학회 International Meeting 한국정보디스플레이학회 2004년도 Asia Display / IMID 04
발행연도
2004.1
수록면
575 - 578 (4page)

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The charging tendency of $Zn_2SiO_4:Mn^{2+}$ phosphor surface was modified in order to improve discharging characteristic of green cell in an ac-plasma display panel (ac-PDP). The Zinc-silicate ($Zn_2SiO_4:Mn^{2+}$) green-emitting phosphor was coated with magnesium oxide(MgO), which is viable to have positive charge on the surface. After fabricating the green cell with MgO-coated $Zn_2SiO_4:Mn^{2+}$, the electrical and optical properties in the cell were examined. It was found that the dynamic voltage margin could be increased while the address time was reduced. It may be ascribed to the change of charging tendency of $Zn_2SiO_4:Mn^{2+}$ phosphor by MgO coating, which makes it possible to stable wall-charge accumulation. When $Zn_2SiO_4:Mn^{2+}$ phosphor was coated with 1.3wt%-MgO, the address time was reduced 1.2 ${\mu}s$ and the address voltage lowered 25 V without any misfiring problem, compared to those of typical $Zn_2SiO_4:Mn^{2+}$ phosphor layer. The luminescence intensity of green cell using MgO-coated phosphor layer was also improved by 10%.

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