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    Apparatus for controlling data voltage of liquid crystal display unit to achieve multiple gray-scale
    1.
    发明授权
    Apparatus for controlling data voltage of liquid crystal display unit to achieve multiple gray-scale 失效
    用于控制液晶显示单元数据电压达到多灰度的装置

    公开(公告)号：US06222515B1

    公开(公告)日：2001-04-24

    申请号：US07786251

    申请日：1991-10-31

    申请人： Tadahisa Yamaguchi ,  Kazuhiro Takahara ,  Masami Oda ,  Hisashi Yamaguchi

    发明人： Tadahisa Yamaguchi ,  Kazuhiro Takahara ,  Masami Oda ,  Hisashi Yamaguchi

    IPC分类号： G09G336

    CPC分类号： G09G3/2011 ,  G09G3/2018 ,  G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2320/0247

    摘要： In a driving device of an active matrix type liquid crystal display unit including a liquid crystal display panel, a scan driver, and a data driver, a data voltage controlling apparatus is provided to achieve digital multiple gray-scale levels with little flickering. The data voltage controlling apparatus supplies the data driver with a combination of two different data voltages picked up from a plurality of digital data voltages previously set. The combination of two different data voltages are, for example, a combination of different waveforms, a combination of negative level and positive level, and a combination of two different voltages having at least a voltage difference. Further, a division of T-V characteristics and an exchange of data voltages are carried out to reduce the flickering.

    摘要翻译： 在包括液晶显示面板，扫描驱动器和数据驱动器的有源矩阵型液晶显示单元的驱动装置中，提供数据电压控制装置，以实现少量闪烁的数字多灰度级。 数据电压控制装置向数据驱动器提供从预先设定的多个数字数据电压中拾取的两个不同数据电压的组合。 两个不同数据电压的组合例如是不同波形的组合，负电平和正电平的组合以及具有至少一个电压差的两个不同电压的组合。 此外，执行T-V特性的划分和数据电压的交换以减少闪烁。

    Active matrix liquid crystal display and method of driving the same
    3.
    发明授权
    Active matrix liquid crystal display and method of driving the same 失效
    有源矩阵液晶显示及其驱动方法

    公开(公告)号：US06222516B1

    公开(公告)日：2001-04-24

    申请号：US08833468

    申请日：1997-04-07

    申请人： Masami Oda ,  Munehiro Haraguchi ,  Tadahisa Yamaguchi ,  Kazuhiro Takahara ,  Akira Yamamoto

    发明人： Masami Oda ,  Munehiro Haraguchi ,  Tadahisa Yamaguchi ,  Kazuhiro Takahara ,  Akira Yamamoto

    IPC分类号： G09C336

    CPC分类号： G09G3/3648 ,  G09G3/3655 ,  G09G2300/043 ,  G09G2320/0209 ,  G09G2320/0223

    摘要： A liquid crystal display has a liquid crystal layer, first and second electrodes, and a third electrode. The liquid crystal layer is inserted between the first and second electrodes to define liquid crystal cells. The third electrode is capacitively coupled with one of the first and second electrodes. A correction voltage for correcting distortion of a waveform for driving one of the first and second electrodes is applied to the third electrode, to keep an effective voltage applied to the liquid crystal cells unchanged and improve the display quality of the liquid crystal display. Therefore, the liquid crystal display of the present invention can correct distortion of a common voltage and prevent crosstalk.

    摘要翻译： 液晶显示器具有液晶层，第一和第二电极以及第三电极。 液晶层插入在第一和第二电极之间以限定液晶单元。 第三电极与第一和第二电极中的一个电容耦合。 用于校正用于驱动第一和第二电极之一的波形的失真的校正电压被施加到第三电极，以保持施加到液晶单元的有效电压不变并且提高液晶显示器的显示质量。 因此，本发明的液晶显示器可以校正公共电压的失真并防止串扰。

    Liquid-crystal display having the capability of a tablet
    5.
    发明授权
    Liquid-crystal display having the capability of a tablet 失效
    具有片剂能力的液晶显示器

    公开(公告)号：US5923320A

    公开(公告)日：1999-07-13

    申请号：US511613

    申请日：1995-08-04

    申请人： Hiroshi Murakami ,  Masafumi Itokazu ,  Ken-ichi Nakabayashi ,  Kazuhiro Takahara ,  Michiya Oura ,  Masami Oda

    发明人： Hiroshi Murakami ,  Masafumi Itokazu ,  Ken-ichi Nakabayashi ,  Kazuhiro Takahara ,  Michiya Oura ,  Masami Oda

    IPC分类号： G02F1/133 ,  G06F3/033 ,  G06F3/041 ,  G06F3/044 ,  G09G3/36 ,  G09G5/00

    CPC分类号： G06F3/044

    摘要： Disclosed is a liquid-crystal display having the capability of a tablet which offers high image quality and a high response speed. An active matrix type liquid-crystal display having the capability of a tablet comprises: an active matrix type liquid-crystal display composed of a device substrate having a plurality of scan electrodes, a plurality of data electrodes, a plurality of pixel electrodes, and a plurality of switching devices, and an opposed substrate holding a liquid crystal in cooperation with the device substrate; a voltage detector that when brought into contact with a display surface of the liquid-crystal display, detects pulses, which are applied consecutively to the scan electrodes and data electrodes, through electrostatic coupling between the detector and the scan electrodes or between the detector and the data electrodes and that outputs a detected signal; and a position detector for detecting a contact position of the detector on the basis of the detected signal. Herein, the device substrate is situated on the side of the observer of the display. The positions of data electrodes lying in the vicinity of a stylus are detected during a data electrode position detection period defined as a period during which no pulses are applied to scan electrodes. Positions of scan electrodes lying in the vicinity of the stylus are identified by detecting display scanning pulses that are applied consecutively to a plurality of scan electrodes in order to cause the switching devices to conduct consecutively during a display data writing period.

    摘要翻译： 公开了一种具有提供高图像质量和高响应速度的平板电脑的能力的液晶显示器。 具有片剂能力的有源矩阵型液晶显示器包括：有源矩阵型液晶显示器，由具有多个扫描电极的器件基板，多个数据电极，多个像素电极和 多个开关器件，以及与器件基板协作保持液晶的相对基板; 电压检测器，当与液晶显示器的显示表面接触时，通过检测器和扫描电极之间或检测器与扫描电极之间的静电耦合来检测连续施加到扫描电极和数据电极的脉冲 数据电极，并输出检测信号; 以及位置检测器，用于基于检测到的信号检测检测器的接触位置。 这里，器件基板位于显示器的观察者侧。 位于触针附近的数据电极的位置在数据电极位置检测期间被检测，该数据电极位置检测周期被定义为扫描电极没有施加脉冲的周期。 通过检测连续施加到多个扫描电极的显示扫描脉冲来识别位于触针附近的扫描电极的位置，以便在显示数据写入周期期间使开关器件连续导通。

    Touch sensing device
    6.
    发明授权
    Touch sensing device 失效
    触摸感应装置

    公开(公告)号：US4550310A

    公开(公告)日：1985-10-29

    申请号：US437220

    申请日：1982-10-28

    申请人： Hisashi Yamaguchi ,  Toru Asano ,  Kazuhiro Takahara ,  Keizo Kurahashi ,  Shizuo Andoh

    发明人： Hisashi Yamaguchi ,  Toru Asano ,  Kazuhiro Takahara ,  Keizo Kurahashi ,  Shizuo Andoh

    IPC分类号： H03K17/96 ,  G06F3/02 ,  H01H35/00

    CPC分类号： H03K17/9622 ,  H03K17/962 ,  H03K2017/9606 ,  H03K2017/9613 ,  Y10T307/766

    摘要： A new type touch sensing device comprises a touch panel with a plurality of transparent touch electrodes, a LC parallel resonant circuit connected to the touch electrode and an oscillation circuit. The LC resonant circuit has a resonant point on a same frequency with the oscillation frequency of the oscillation circuit. The touch/non-touch condition to the touch electrode is detected as a change of voltage value at the connecting point of the LC resonant circuit and touch electrode with an increased ON-OFF ratio.

    摘要翻译： 一种新型的触摸感测装置包括具有多个透明触摸电极的触摸面板，连接到触摸电极的LC并联谐振电路和振荡电路。 LC谐振电路在与振荡电路的振荡频率相同的频率上具有谐振点。 检测到触摸电极的触摸/非触摸状态是在LC谐振电路和触摸电极的连接点处的电压值随着ON-OFF比的增加而变化。

    Method for driving a matrix type display
    8.
    发明授权
    Method for driving a matrix type display 失效
    驱动矩阵型显示器的方法

    公开(公告)号：US4636789A

    公开(公告)日：1987-01-13

    申请号：US533986

    申请日：1983-09-20

    申请人： Hisashi Yamaguchi ,  Kazuhiro Takahara ,  Hiroyuki Gondoh ,  Toyoshi Kawada ,  Shizuo Andoh

    发明人： Hisashi Yamaguchi ,  Kazuhiro Takahara ,  Hiroyuki Gondoh ,  Toyoshi Kawada ,  Shizuo Andoh

    IPC分类号： G09G3/30

    CPC分类号： G09G3/30 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2320/0223

    摘要： In driving a thin film EL display panel providing the matrix arrangement of translucent data electrodes and metal scanning electrodes, the data pulse is supplied to the selected translucent data electrodes in such a relation that it rises in advance of the scanning pulse to be supplied to the opposing metal scanning electrodes. Thereby, fluctuation of brightness due to the influence of electrode resistance of the translucent data electrodes can be eliminated, and a uniform and distinct display can be attained.

    摘要翻译： 在驱动提供半透明数据电极和金属扫描电极的矩阵排列的薄膜EL显示面板时，将数据脉冲以提供给扫描脉冲之前上升的关系提供给所选择的半透明数据电极， 相对的金属扫描电极。 由此，可以消除由于透光性数据电极的电极电阻的影响引起的亮度的波动，能够得到均匀且显着的显示。

    Method and circuit for selectively driving capacitive display cells in a matrix type display
    9.
    发明授权
    Method and circuit for selectively driving capacitive display cells in a matrix type display 失效
    用于选择性地驱动矩阵型显示器中的电容式显示单元的方法和电路

    公开(公告)号：US4456909A

    公开(公告)日：1984-06-26

    申请号：US278715

    申请日：1981-06-29

    申请人： Kazuhiro Takahara ,  Keizo Kurahashi ,  Hisashi Yamaguchi

    发明人： Kazuhiro Takahara ,  Keizo Kurahashi ,  Hisashi Yamaguchi

    IPC分类号： G09G3/28 ,  G09G3/30 ,  G09G3/04

    CPC分类号： G09G3/30 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2330/021 ,  G09G3/28

    摘要： A method for driving a thin film EL display device comprising the steps of clamping the Y side scanning electrodes selectively and sequentially to a reference voltage and applying the display voltage selectively from the X side data electrodes. In addition, the non-display voltage which is lower than the display threshold voltage, is applied to the non-selected data electrodes and the non-selected scanning electrodes are floated. This new driving method reduces drive power and widens the device operating voltage range.

    摘要翻译： 一种用于驱动薄膜EL显示装置的方法，包括以下步骤：选择性地和顺序地将Y侧扫描电极夹持到参考电压，并从X侧数据电极选择性地施加显示电压。 此外，低于显示阈值电压的非显示电压被施加到未选择的数据电极，并且未选择的扫描电极浮动。 这种新的驱动方法可以降低驱动功率并扩大器件的工作电压范围。