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Analysis of Reset Discharge Characteristics in AC-Plasma Display Panel With Various Sustain Gaps Using V_{t} Close-Curve

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3 Author(s)
Ki-Hyung Park ; Sch. of Electr. Eng. & Comput. Sci., Kyungpook Nat. Univ., Daegu ; Heung-Sik Tae ; Jeong Hyun Seo

The effects of various sustain gaps on the reset discharge characteristics, particularly the discharge stability, are examined based on a Vt close-curve analysis. The Vt close-curve analysis shows that the reset discharge region producing a stable discharge under an MgO cathode condition is reduced in proportion to the increase in the sustain gap, resulting in discharge instability when a conventional reset waveform is applied with a wide-sustain-gap (over 200 mum) structure. Based on the Vt close-curve analysis, a modified reset waveform suitable for a wide-sustain-gap (= 200 mum) structure is proposed to prevent an unstable discharge. The effects of two parameters Vadd-bias and Vcom-bias in the modified reset waveform on the reset discharge as well as the address and first sustain discharges, are examined in detail.

Published in:

IEEE Transactions on Electron Devices  (Volume:55 ,  Issue: 9 )