Discharging characteristics of green cell using MgO-coated Zn2SiO4:Mn2+ phosphor in plasma display panel
- Authors
- Han, Bo Yong; Jeoung, Byung Woo; Hong, Gun Young; Yoo, Jae Soo; Ha, Chang Hun; Whang, Ki Woong
- Issue Date
- Aug-2004
- Publisher
- The Korean Information Display Society
- Citation
- International Meeting on Information Display, pp 575 - 578
- Pages
- 4
- Journal Title
- International Meeting on Information Display
- Start Page
- 575
- End Page
- 578
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/59716
- Abstract
- The charging tendency of Zn2SiO4:Mn2+ phosphor surface was modified in order to improve discharging characteristic of green cell in an ac-plasma display panel (ac-PDP). The Zinc-silicate ( Zn2SiO4:Mn2+ ) 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 Zn2SiO4:Mn2+, 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 Zn2SiO4:Mn2+ phosphor by MgO coating, which makes it possible to stable wall-charge accumulation. When Zn2SiO4:Mn2+ phosphor was coated with 1.3w%-MgO, the address time was reduced 1.2 μs and the address voltage lowered 25 V without any misfiring problem, compared to those of typical Zn2SiO4:Mn2+ phosphor layer. The luminescence intensity of green cell using MgO-coated phosphor layer was also improved by 10 %.
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