发明名称 LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING CIRCUIT FOR LIQUID CRYSTAL PANEL WITH MEMORY EFFECT
摘要 PROBLEM TO BE SOLVED: To attain a small-sized and low-cost liquid crystal device using a liquid crystal panel with a memory effect. SOLUTION: A driving circuit 30 applies, to scanning electrodes of the liquid crystal panel 40 with the memory effect, a scanning voltage TPV composed of zero and a positive or negative unipolar voltage waveform, and also applies, to signal electrodes, a signal voltage SGV composed of zero and a unipolar voltage waveform having the same polarity as that of the scanning voltage. Further, image data is displayed at a pixel of the liquid crystal panel with the memory effect during a plurality of scanning periods, such that the polarities of the voltages applied between the scanning electrode and the signal electrode at a portion forming a pixel of the liquid crystal panel with the memory effect during a first scanning period and during a subsequent period of the plurality of periods are inverted. COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006030964(A) 申请公布日期 2006.02.02
申请号 JP20050158130 申请日期 2005.05.30
申请人 CITIZEN WATCH CO LTD 发明人 SUGURO AKIRA
分类号 G02F1/133;G09G3/20;G09G3/36 主分类号 G02F1/133
代理机构 代理人
主权项
地址