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http://dx.doi.org/10.14346/JKOSOS.2014.29.3.034

A Study on Improvement of the Performance of Pulsed AC Ion Bar (1)  

Lee, Dong Hoon (Department of Safety Engineering, Pukyong National University)
Choi, Dong Soo (Department of Safety Engineering, Graduate School, Pukyong National University)
Jung, Yong Chul (R&D Center, SunJe Hi-Tek. Co., Ltd.)
Kim, Sang Min (Department of Safety Engineering, Graduate School, Pukyong National University)
Publication Information
Journal of the Korean Society of Safety / v.29, no.3, 2014 , pp. 34-38 More about this Journal
Abstract
In Display such as LCD, LED, and AMOLED or semiconductor related industries are required to have static ionizer in order to produce reliable goods since the ionizer can create balanced ion that is delivered to producing goods to minimize electrical damages when manufacturing. However, the most general type of ionization is called, "Corona Discharge" that has a slight chances to generate unequal and unstable amount of each +/- ion to the target object. Then, the ionization performance will drastically decrease and end up with quality deterioration problem. In this research, our objective to resolve the current issue via applying "Coupling Condenser" on each counter electrodes of Corona discharging type ionizer. The result is that the ion balance was maintained the satisfied range that is within +/-100V when we changed the duty ratio of the High Voltage of Pulse AC about 40 ~ 70%. In addition, when levelling the High Voltage of Pulse AC, the ion balance holds the range within +20 ~ 0V. Even though we have tested the same experiment for a year, we have seen the range changes roughly ${\pm}50V$.
Keywords
ionizer; ion balance; duty; coupling capacitor;
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