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    • 5. 发明授权
    • Touch panel and coordinates detecting method using touch panel
    • 触摸面板,使用触摸面板进行坐标检测
    • US08144128B2
    • 2012-03-27
    • US12687934
    • 2010-01-15
    • Takashi NakajimaNobuyoshi ShimizuKoichi KondohMasanobu HayamaNorio Endo
    • Takashi NakajimaNobuyoshi ShimizuKoichi KondohMasanobu HayamaNorio Endo
    • G06F3/041
    • G06F3/045G06F2203/04808
    • A touch panel includes a lower conductive film, four electrodes disposed in edge portions of four sides of the lower conductive film, and an upper conductive film disposed over the lower conductive film so that the upper and lower conductive films are opposed to each other, to detect an electric potential in the lower conductive film when the upper conductive film is in contact with the lower conductive film. The upper conductive film includes split portions containing no transparent conductive material and split conductive portions divided by the split portions. The touch panel is arranged to detect an electric potential of each of contact points in the split conductive portions when the upper and lower conductive films are brought in contact with each other at the contact points, and detect respective coordinates of the contact points based on the electrical potentials.
    • 触摸面板包括下导电膜,设置在下导电膜的四边的边缘部分的四个电极和设置在下导电膜上的上导电膜,使得上导电膜和下导电膜彼此相对,以及 当上导电膜与下导电膜接触时,检测下导电膜中的电位。 上导电膜包括不包含透明导电材料的分割部分和由分割部分划分的分割导电部分。 触摸面板被配置为当上下导电膜在接触点彼此接触时检测分离导电部分中的每个接触点的电位,并且基于该接触点检测接触点的相应坐标 电位