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41. 发明授权

US07113180B2 Plurality of column electrode driving circuits and display device including the same 有权
公开(公告)号：US07113180B2
公开(公告)日：2006-09-26
申请号：US09911780
申请日：2001-07-24
申请人： Taketoshi Nakano , Takafumi Kawaguchi , Toshihiro Yanagi , Keishi Nishikubo
发明人： Taketoshi Nakano , Takafumi Kawaguchi , Toshihiro Yanagi , Keishi Nishikubo
IPC分类号： G09G5/00
CPC分类号： G09G5/006 , G09G3/20 , G09G3/3688 , G09G2310/0275 , G09G2370/08
摘要： A plurality of column electrode driving circuits is used in a matrix type display device including a plurality of row electrode driving circuits each for driving a plurality of row electrodes and the plurality of column electrode driving circuits each for driving a plurality of column electrodes. Each of the plurality of column electrode driving circuits includes a data input section for receiving a control data signal for the plurality of column electrodes; a timing control section for generating a timing control signal for controlling at least one of the row electrode driving circuit and the column electrode driving circuit; a selection section for selecting one of a signal in synchronization with the timing signal generated by the timing control section and the control data signal input to the data input section, based on the control data signal input to the data input section; and a data output section for outputting one of the signal in synchronization with the timing signal and the control data signal which is selected by the selection section. The data input section of a second column electrode driving circuit of the plurality of column electrode driving circuits is connected to the data output section of a first column electrode driving circuit of the plurality of column electrode driving circuits, and the data output section of the second column electrode driving circuit is connected to the data input section of a third column electrode driving circuit of the plurality of column electrode driving circuits.

42. 发明授权

US06677925B1 Active-matrix-type liquid crystal display device, data signal line driving circuit, and liquid crystal display device driving method 有权
标题翻译：有源矩阵型液晶显示装置，数据信号线驱动电路以及液晶显示装置的驱动方法
公开(公告)号：US06677925B1
公开(公告)日：2004-01-13
申请号：US09656007
申请日：2000-09-06
申请人： Takafumi Kawaguchi , Toshihiro Yanagi
发明人： Takafumi Kawaguchi , Toshihiro Yanagi
IPC分类号： G09G336
CPC分类号： G09G3/3655
摘要： In an active-matrix LCD device, a coupling signal in accordance with a sum of outputs of data signal lines is detected by a detection-use bus line crossing each of the data signal lines. The coupling signal is superimposed via a coupling capacitor on an input signal that serves as a reference, and is inverted and amplified by a inverting-amplifying section, then it is outputted as a common electrode signal. With this, a waveform that corresponds to a sum of the outputs is coupled with the common electrode signal. As a result, the common electrode signal is caused to have an influence that corresponds to a fluctuation of a potential of the common electrode due to outputs of the data signal lines and that is reverse in phase, thereby enabling to prevent horizontal shadow due to the outputs of the data signal lines. Thus, it is possible to realize an active-matrix-type LCD device in which horizontal shadow can be prevented with low power consumption.
摘要翻译：在有源矩阵LCD装置中，通过与每条数据信号线交叉的检测用总线来检测根据数据信号线的输出之和的耦合信号。耦合信号通过耦合电容器叠加在作为参考的输入信号上，并由反相放大部分反相放大，然后作为公共电极信号输出。由此，与输出的和对应的波形与公共电极信号耦合。结果，使公共电极信号由于数据信号线的输出而相应于公共电极的电位的波动并且相位相反的影响，从而能够防止由于数据信号线的输出。因此，可以实现能够以低功耗来防止水平阴影的有源矩阵型LCD装置。

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