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    • 111. 发明授权
    • Method of driving optical modulation device
    • 光调制装置的驱动方法
    • US5696526A
    • 1997-12-09
    • US465357
    • 1995-06-05
    • Junichiro KanbeKazuharu KatagiriSyuzo Kaneko
    • Junichiro KanbeKazuharu KatagiriSyuzo Kaneko
    • G09G3/20G09G3/34G09G3/36
    • G09G3/3629G03C2001/0471G09G2310/0205G09G2310/04G09G2310/06G09G2310/065G09G2320/0209G09G3/2014G09G3/2018Y10S359/90
    • A liquid crystal apparatus comprises a liquid crystal device including scanning electrodes and signal electrodes intersecting each other, and a chiral smectic liquid crystal disposed therebetween. The chiral smectic liquid crystal assumes a first orientation state when supplied with a pulse voltage of one polarity exceeding a first threshold voltage, a second orientation state when supplied with a pulse voltage of the other polarity exceeding a second threshold voltage, and a third orientation state when released from application of the pulse voltage of one or the other polarity. Drive means periodically applies the scanning selection signal to the scanning electrodes, and controls the application of the scanning selection signal, the scanning non-selection signal and the data signals so as to apply the data signals in synchronism with the scanning selection signal, thereby applying the pulse voltage of one or the other polarity as a combination of the information signal and the one or the other voltage signal of the scanning selection signal to the chiral smectic liquid crystal. Drive means also applies an auxiliary signal in combination with the scanning non-selection signal to suppress a change into the third orientation state of the chiral smectic liquid crystal.
    • 一种液晶装置,包括一个包括扫描电极和彼此相交的信号电极的液晶装置,以及设置在它们之间的手性近晶液晶。 当被提供有超过第一阈值电压的一个极性的脉冲电压时,手性近晶液晶呈现第一取向状态,当被提供有超过第二阈值电压的另一极性的脉冲电压时的第二取向状态,以及第三取向状态 当从施加一个或另一个极性的脉冲电压释放时。 驱动装置周期性地将扫描选择信号施加到扫描电极,并且控制扫描选择信号,扫描非选择信号和数据信号的应用,以便与扫描选择信号同步地应用数据信号,从而应用 作为信息信号与扫描选择信号的一个或另一个电压信号与手性近晶液晶的组合的一个或另一个极性的脉冲电压。 驱动装置还与扫描非选择信号一起施加辅助信号以抑制手性近晶液晶的第三取向状态的变化。
    • 112. 发明授权
    • Method for driving optical modulation device
    • 光调制装置的驱动方法
    • US5633652A
    • 1997-05-27
    • US440345
    • 1995-05-12
    • Junichiro KanbeKazuharu Katagiri
    • Junichiro KanbeKazuharu Katagiri
    • G02F1/137G09G3/20G09G3/36
    • G02F1/13781G09G3/3629G09G2310/0205G09G2310/06G09G2320/0209G09G3/2018
    • A method for driving an optical modulation device having a group of scanning electrodes and a group of signal electrodes arranged so that picture elements are defined at the intersections therebetween and a bistable optical modulation material assuming one of two stable states between the groups of electrodes, by in a first phase orienting the bistable material at the picture elements on an N-th scanning electrode to one stable state, and applying a writing signal to the signal electrodes in synchronism with a scanning signal to the N-th scanning electrode while orienting the bistable material at the picture elements on an N+1-th scanning electrode to the one stable state. Also disclosed is a driving mode wherein a scanning signal is applied to the whole or a part of the scanning electrodes while, in phase therewith, a signal is applied to the whole or a part of the signal electrodes so that the optical modulation material is oriented to a first stable state, and a second step in which a scanning signal is applied to the whole or a part of the scanning electrodes while in phase therewith, a signal is applied to a selected signal electrode among the whole or a part of the signal electrodes so that the bistable optical modulation material is oriented to a second stable state.
    • 一种用于驱动光学调制装置的方法,该光调制装置具有一组扫描电极和一组信号电极,这些信号电极被布置为使得在其间的交点处形成像素,并且假设电极组之间具有两个稳定状态之一的双稳态光调制材料, 在将第N扫描电极上的图像元素的双稳态材料定向到一个稳定状态的第一阶段中,并且向第N扫描电极施加与扫描信号同步的信号电极的写入信号,同时将双稳态 材料在N + 1扫描电极上的图像元素处于一个稳定状态。 还公开了一种驱动模式,其中将扫描信号施加到扫描电极的全部或一部分,同时与信号电极的全部或部分施加信号,使得光学调制材料取向 以及第二步骤,其中扫描信号与扫描电极的整个或一部分同时施加到扫描电极的整个或一部分中,在信号的全部或部分中将信号施加到所选择的信号电极 电极,使得双稳态光调制材料取向为第二稳定状态。
    • 113. 发明授权
    • Method of driving optical modulation device
    • 光调制装置的驱动方法
    • US5621427A
    • 1997-04-15
    • US463780
    • 1995-06-05
    • Junichiro KanbeKazuharu KatagiriSyuzo Kaneko
    • Junichiro KanbeKazuharu KatagiriSyuzo Kaneko
    • G09G3/20G09G3/34G09G3/36
    • G09G3/3629G03C2001/0471G09G2310/0205G09G2310/04G09G2310/06G09G2310/065G09G2320/0209G09G3/2014G09G3/2018Y10S359/90
    • A driving method for an optical modulation device is applicable to driving of an optical modulation device, e.g. a liquid crystal device having a matrix electrode arrangement comprising a group of scanning electrodes, a group of signal electrodes oppositely spaced from the group of scanning electrodes, and an optical modulation material (e.g. a liquid crystal) showing histability with respect to an electric field applied thereto disposed between the groups of scanning electrodes and signal electrodes. The driving method is featured by applying a voltage allowing the liquid crystal having histability to be oriented to a first stable state (one optically stable state) between a selected scanning electrode of the group of scanning electrodes and a selected signal electrode of the group of signal electrodes, and by applying a voltage allowing the liquid crystal having histability to be oriented to a second stable state (the other optically stable state) between the selected scanning electrodes and non-selected signal electrodes.
    • 光调制装置的驱动方法适用于光调制装置的驱动,例如, 一种具有矩阵电极装置的液晶装置,包括一组扫描电极,与该组扫描电极相对的一组信号电极,以及显示相对于施加的电场的组合性的光学调制材料(例如液晶) 设置在扫描电极组和信号电极之间。 该驱动方法的特征在于,通过施加电压,使得具有可组合性的液晶被定向到扫描电极组的所选扫描电极和信号组的选定信号电极之间的第一稳定状态(一个光学稳定状态) 电极,并且通过施加允许具有组成性的液晶被定向到所选择的扫描电极和未选择的信号电极之间的第二稳定状态(另一光学稳定状态)的电压。
    • 114. 发明授权
    • Method of driving optical modulation device
    • 光调制装置的驱动方法
    • US5592192A
    • 1997-01-07
    • US444746
    • 1995-05-19
    • Junichiro KanbeKazuharu KatagiriSyuzo Kaneko
    • Junichiro KanbeKazuharu KatagiriSyuzo Kaneko
    • G09G3/20G09G3/34G09G3/36G09G3/18
    • G09G3/3629G03C2001/0471G09G2310/0205G09G2310/04G09G2310/06G09G2310/065G09G2320/0209G09G3/2014G09G3/2018Y10S359/90
    • A liquid crystal apparatus comprises a liquid crystal device having scanning electrodes arranged in a matrix with and spaced apart from signal electrodes with a liquid crystal showing different stable states in accordance with different applied voltages and having a memory function disposed therebetween. First drive circuitry selects and sequentially drives the scanning electrodes by application of a scanning selection signal, and second drive circuitry drives the signal electrodes by application of a writing voltage and a first non-writing voltage corresponding to display contents in synchronism with the application of the scanning selection signal. The first drive circuitry applies reset voltages to the pixels of the liquid crystal to make orientation of the liquid crystal's molecules uniform before the selection of the scanning electrode. The amplitude of a writing voltage applied to an intersection of the selected scanning electrode and a selected signal electrode is two or more times that of a first non-writing voltage applied to an intersection of a nonselected scanning electrode and the selected signal electrode.
    • 一种液晶装置,具有:具有扫描电极的液晶装置,该扫描电极与信号电极排列成矩阵状,并具有根据不同的施加电压而具有不同的稳定状态的液晶并具有设置在其间的记忆功能。 第一驱动电路通过施加扫描选择信号来选择并依次驱动扫描电极,并且第二驱动电路通过施加与显示内容相对应的写入电压和第一非写入电压来驱动信号电极, 扫描选择信号。 第一驱动电路将复位电压施加到液晶的像素,以在选择扫描电极之前使液晶分子的取向均匀。 施加到所选择的扫描电极和所选择的信号电极的交叉点的写入电压的幅度是施加到非选择的扫描电极和所选信号电极的交点的第一非写入电压的幅度的两倍或更多倍。
    • 117. 发明授权
    • Method for driving optical modulation device
    • 光调制装置的驱动方法
    • US5418634A
    • 1995-05-23
    • US557643
    • 1990-07-25
    • Junichiro KanbeKazuharu KatagiriSyuzo Kaneko
    • Junichiro KanbeKazuharu KatagiriSyuzo Kaneko
    • G02F1/137G09G3/20G09G3/36G02F1/1343
    • G09G3/3629G02F1/13781G03C2001/0471G09G2310/0205G09G2310/04G09G2310/06G09G2310/065G09G2320/0209G09G3/2014G09G3/2018
    • A driving method for an optical modulation device is applicable to driving of an optical modulation device, e.g., a liquid crystal device having a matrix electrode arrangement comprising a group of scanning electrodes, a group of signal electrodes oppositely paced from the group of scanning electrodes, and an optical modulation materials showing bistability with respect to an electric field applied thereto disposed between the groups of scanning electrodes and signal electrodes. The driving method is featured by applying a voltage allowing the liquid crystal having bistability to be oriented to a first stable state between a selected scanning electrode of the group of scanning electrodes and a selected signal electrode of the group of signal electrodes, and by applying a voltage allowing the liquid crystal having bistability to be oriented to a second stable state between the selected scanning electrodes and non-selected signal electrodes; or by applying a voltage allowing the optical modulation material having bistability to be oriented to a first stable state between a selected scanning electrode and the group of signal electrodes, applying a voltage allowing the liquid crystal oriented to the first stable state to be oriented to a second stable state between the selected scanning electrode and a selected signal electrode, and applying a voltage set to a value between a threshold voltage -V.sub.th2 (for the second stable state) and a threshold voltage V.sub.th1 (for the first stable state) between non-selected scanning electrodes and the group of signal electrodes.
    • 光调制装置的驱动方法适用于光调制装置的驱动,例如具有矩阵电极装置的液晶装置,该矩阵电极装置包括一组扫描电极,与该组扫描电极相对的一组信号电极, 以及显示相对于设置在扫描电极组和信号电极组之间的施加到其上的电场的双稳态的光调制材料。 驱动方法的特征在于,通过施加电压,使得具有双稳态的液晶在扫描电极组的选定的扫描电极与信号电极组的选定的信号电极之间取向为第一稳定状态,并且通过施加 使得具有双稳态的液晶在所选择的扫描电极和未选择的信号电极之间定向到第二稳定状态的电压; 或者通过施加允许具有双稳态的光调制材料在选定的扫描电极和信号电极组之间的第一稳定状态的电压,施加允许朝向第一稳定状态的液晶取向为 在所选择的扫描电极和所选择的信号电极之间的第二稳定状态,并且将设置为阈值电压-Vth2(用于第二稳定状态)和阈值电压Vth1之间(用于第一稳定状态的阈值) 选择的扫描电极和信号电极组。
    • 118. 发明授权
    • Method for driving optical modulation device
    • 光调制装置的驱动方法
    • US5381254A
    • 1995-01-10
    • US865630
    • 1992-04-09
    • Junichiro KanbeKazuharu Katagiri
    • Junichiro KanbeKazuharu Katagiri
    • G02F1/137G09G3/20G09G3/36G02F1/1343
    • G02F1/13781G09G3/3629G09G2310/0205G09G2310/06G09G2320/0209G09G3/2018
    • A method for driving an optical modulation device having a group of scanning electrodes and a group of signal electrodes arranged so that picture elements are defined at the intersections therebetween and a bistable optical modulation material assuming one of two stable states applied between the groups of electrodes, by in a first phase orienting the bistable material at the picture elements on an N-th scanning electrode to one stable state, and applying a writing signal to the signal electrodes in synchronism with a scanning signal to the N-th scanning electrode while orienting the bistable material at the picture elements on an N+1-th scanning electrode to the one stable state. Also disclosed is a driving mode wherein a scanning signal is applied to the whole or a part of the scanning electrodes while, in phase therewith, a signal is applied to the whole or a part of the signal electrodes so that the optical modulation material is oriented to a first stable state, and a second step in which a scanning signal is applied to the whole or a part of the scanning electrodes while in phase therewith, a signal is applied to a selected signal electrode among the whole or a part of the signal electrodes so that the bistable optical modulation material is oriented to a second stable state.
    • 一种驱动具有一组扫描电极和一组信号电极的光调制装置的方法,所述一组信号电极被布置为使得在其间的交点处形成像素,并且假定在电极组之间施加两种稳定状态之一的双稳态光调制材料, 通过在将第N扫描电极上的图像元素上的双稳态材料定向到一个稳定状态的第一阶段中,并且将与扫描信号同步的信号电极向第N扫描电极施加写入信号, 在第N + 1扫描电极上的像素处的双稳态材料到一个稳定状态。 还公开了一种驱动模式,其中将扫描信号施加到扫描电极的全部或一部分,同时与信号电极的全部或部分施加信号,使得光学调制材料取向 以及第二步骤,其中扫描信号与扫描电极的整个或一部分同时施加到扫描电极的整个或一部分中,在信号的全部或部分中将信号施加到所选择的信号电极 电极,使得双稳态光调制材料取向为第二稳定状态。