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    BUFFER DRIVER
    3.
    发明授权
    BUFFER DRIVER 有权
    PUFFERTREIBER

    公开(公告)号：EP2153520B1

    公开(公告)日：2012-07-11

    申请号：EP08750147.4

    申请日：2008-05-07

    申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH

    发明人： RUCK, Bernhard Wolfgang

    IPC分类号： G09G3/18 ,  H03F3/30 ,  H03F3/70 ,  H03F3/45

    CPC分类号： H03F3/45183 ,  G09G3/18 ,  G09G2330/02 ,  H03F3/3023 ,  H03F3/70 ,  H03F2203/45112 ,  H03F2203/45292 ,  H03F2203/45366 ,  H03F2203/45551

    摘要： The present invention relates to a CMOS buffer circuit for liquid crystal display (LCD) drivers, which includes a single stage operational transconductance amplifier (OTA) with a differential of transistors for receiving a differential input voltage, a bias current source coupled to the differential pair and a single-ended output, the first bias current generating stage with a differential pair of transistors coupled to receive the differential input voltage to produce an output current in an output current path in response to a positive differential input voltage, a second bias current generating stage with a differential pair of transistors coupled to receive the inverted differential input voltage to produce an output current in an output current path in response to a negative input voltage, wherein the output current paths of both bias current generating stages are combined in a common current path and the current in the common current path is mirrored to the bias current source of the single stage OTA, so as to increase the bias current through the bias current source in response to an increasing magnitude of the differential input voltage.

    LCD drive method
    4.
    发明公开
    LCD drive method 审中-公开
    LCD-Ansteuerungsverfahren

    公开(公告)号：EP2131351A1

    公开(公告)日：2009-12-09

    申请号：EP08104121.2

    申请日：2008-05-27

    申请人： United Radiant Technology Corp.

    发明人： Hsu, Tzu-Yun ,  Lin, Chi-Hung

    IPC分类号： G09G3/36 ,  G09G3/18

    CPC分类号： G09G3/3622 ,  G09G3/18 ,  G09G3/2014 ,  G09G2310/06

    摘要： The present invention discloses an LCD drive method, which uses a signal of at least one segment electrode of a multiplex drive element as a common-electrode signal and uses the voltage difference of the above-mentioned segment electrode and the signal of another segment electrode to present images, whereby the multiplex drive element can function as a static drive element. Via the present invention, the multiplex drive element, which can be mass-produced in low costs, can replace the high-cost customized static drive element. Therefore, the present invention can be used as a solution for the static drive LCD and reduce the costs thereof.

    摘要翻译： 本发明公开了一种LCD驱动方法，其使用多路复用驱动元件的至少一个段电极的信号作为公共电极信号，并使用上述段电极的电压差和另一段电极的信号 存在图像，由此多路复用驱动元件可以用作静态驱动元件。 通过本发明，可以以低成本批量生产的多路复用驱动元件可以替代高成本定制的静态驱动元件。 因此，本发明可以用作静电驱动LCD的解决方案并降低其成本。

    Multiple liquid lens driver
    8.
    发明公开
    Multiple liquid lens driver 审中-公开
    TreiberfürmehrereFlüssiglinsen

    公开(公告)号：EP1870740A1

    公开(公告)日：2007-12-26

    申请号：EP06300705.8

    申请日：2006-06-20

    申请人： Varioptic

    发明人： Craen, Pierre ,  Morichaud, Gwenaël

    IPC分类号： G02B3/14 ,  G02F1/133 ,  G09G3/18 ,  G02B26/02

    CPC分类号： G02B3/14 ,  G02B26/005

    摘要： The invention concerns drive circuitry for driving a plurality of liquid lenses, each liquid lens comprising first and second immiscible liquids, an interface between the first and second liquids being movable by electrowetting by application of a drive voltage signal, said drive circuitry arranged to generate an independent drive voltage signal for each of said liquid lenses, the drive circuitry comprising: generating means (406, 408, 410, 412) arranged to generate a fixed drive voltage (V dc ); a duty cycle controller (418) arranged to receive data values indicating a duty cycle to be applied to each of said plurality of liquid lenses, and to generate a control timing signal for each of said plurality of liquid lenses, each control timing signal having the duty cycle indicated by the controller; and driving means (426, 428, 430, 432) arranged to generate an independent drive voltage signal for each of said plurality of liquid lenses by selectively applying said fixed drive voltage, based on the control timing signal associated with each liquid lens.

    摘要翻译： 本发明涉及用于驱动多个液体透镜的驱动电路，每个液体透镜包括第一和第二不混溶液体，第一和第二液体之间的界面可通过施加驱动电压信号通过电润湿而移动，所述驱动电路被布置成产生 用于每个所述液体透镜的独立驱动电压信号，所述驱动电路包括：被布置成产生固定驱动电压（V dc）的发生装置（406,408,410,412）; 一个占空比控制器（418），被布置成接收指示要施加到所述多个液体透镜中的每一个的占空比的数据值，并且为每个所述多个液体透镜生成控制定时信号，每个控制定时信号具有 控制器指示的占空比; 以及驱动装置（426,428,430,432），其布置成基于与每个液体透镜相关联的控制定时信号，通过选择性地施加所述固定驱动电压来产生用于所述多个液体透镜中的每一个的独立驱动电压信号。

    Electronic shelf label
    9.
    发明公开
    Electronic shelf label 审中-公开
    电子货架标签

    公开(公告)号：EP1298631A3

    公开(公告)日：2006-03-29

    申请号：EP02020566.2

    申请日：2002-09-17

    申请人： Optrex Corporation

    发明人： Niiyama, Satoshi ,  Suehiro, Noriko

    IPC分类号： G09G3/18 ,  G09G3/36

    CPC分类号： G09G3/3629 ,  G02F1/13473 ,  G02F1/13718 ,  G02F2001/133397 ,  G02F2001/13478 ,  G09G2300/0486 ,  G09G2310/061 ,  G09G2320/0257

    摘要： There are provided at least two liquid crystal panels including the liquid crystals developing a memory effect, the liquid crystal developing a memory effect on a side opposite to a viewer side has a selective reflection wavelength set at 615 - 665nm, the liquid crystal developing a memory effect on the viewer side has a selective reflection wavelength set at 490 - 540nm, and a color filter having a certain transmission property is provided between the liquid crystal developing a memory effect on the viewer side and the liquid crystal developing a memory effect on the side opposite to the viewer side.

    摘要翻译： 提供至少两个包括产生记忆效应的液晶的液晶面板，在与观看者侧相反的一侧上产生记忆效应的液晶具有设定在615-665nm的选择反射波长，液晶产生记忆 在观察者侧的效果具有设定在490-540nm的选择性反射波长，并且在观察者侧产生记忆效应的液晶与在侧面产生记忆效应的液晶之间提供具有一定透射特性的滤色器 与观众侧相反。