作者: Juncheng Xiao , 肖军城
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摘要: A scanning drive circuit (20). The (20) comprises a pull-up control module (21), (22), pull-down (23), maintaining (24), bootstrap capacitor and constant-voltage low level source; the (21) is respectively connected with (24) capacitor, source (23). provided so that phenomenon of power leakage can be neatly avoided, reliability improved.