Influence of wall charge on image sticking phenomena in AC plasma display panels |
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Authors: | M.J. Jeon M.S. Chung S.C. Lee K.S. Lee J.S. Kim B.K. Kang |
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Affiliation: | 1. Department of Electrical Engineering, Pohang University of Science and Technology, San 31, Hyoja-Dong, Pohang, Kyungpook 790-783, Republic of Korea;2. LG Electronics Inc., PDP Division, 191-1 Gongdan 2-Dong, Gumi, Kyungpook 730-030, Republic of Korea |
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Abstract: | This paper investigates the image sticking phenomenon in an AC plasma display panel (PDP), which appears when the PDP is subjected to a strong sustain discharge for an extended time and leaves a residual image on the display. This problem is very difficult to resolve using a conventional reset. Image sticking was investigated by observing the light emission from the reset, indicating that the wall charges accumulated on the sustain electrodes were the major cause. A few face (plate-gap) discharges equated the wall voltages on the sustain electrodes and set all cells of the PDP at the same external voltage for firing a surface discharge. The image sticking phenomenon disappeared after the face discharges. |
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