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    • 101. 发明授权
    • Driving method for optical modulation device
    • 光调制装置的驱动方法
    • US5638196A
    • 1997-06-10
    • US422235
    • 1995-04-14
    • Akihiro MouriTsutomu ToyonoShuzo KanekoYutaka InabaJunichiro Kanbe
    • Akihiro MouriTsutomu ToyonoShuzo KanekoYutaka InabaJunichiro Kanbe
    • G09G3/36H01L31/18G02F1/133
    • G09G3/3629H01L31/1884G09G2310/06G09G2310/061G09G2310/063G09G2320/0209Y02E10/50
    • An optical modulation device comprises scanning electrodes and signal electrodes disposed opposite to and intersecting with the signal electrodes, and an optical modulation material disposed between the electrodes, a pixel being formed at each intersection of the electrodes and showing a contrast depending on the polarity of a voltage applied thereto. The device is driven by a method comprising, in a writing period for writing in all or prescribed pixels among the pixels on a selected scanning electrode, a first phase for applying a voltage of one polarity having an amplitude exceeding a first threshold voltage of the optical modulation material to the all or prescribed pixels, and a second phase for applying a voltage of the other polarity having an amplitude exceeding a second threshold voltage of the optical modulation material to a selected pixel and applying a voltage not exceeding the threshold voltages of the optical modulation material to the other pixels, respectively among the all or prescribed pixels. The duration of a continually applied voltage of the same polarity applied to a pixel on a scanning electrode is 2.5 times the duration of the first phase in the writing period at the maximum.
    • 光调制装置包括扫描电极和与信号电极相对并相交的信号电极,以及设置在电极之间的光调制材料,形成在电极的每个交叉点处的像素,并且根据 施加电压。 该装置由一种方法驱动,该方法包括在用于在所选择的扫描电极上的像素中的全部或规定像素中写入的写入周期中,施加具有超过光学器件的第一阈值电压的一个极性的电压的第一相位 调制材料到全部或规定像素,以及第二相,用于将具有超过光调制材料的第二阈值电压的振幅的另一极性的电压施加到所选择的像素,并施加不超过光学阈值电压的电压 分别在全部或规定的像素之间调制材料到其他像素。 施加到扫描电极上的像素的相同极性的持续施加电压的持续时间是写入周期中最大值的第一阶段的持续时间的2.​​5倍。
    • 103. 发明授权
    • Method for driving optical modulation device
    • 光调制装置的驱动方法
    • US5436743A
    • 1995-07-25
    • US308536
    • 1994-09-21
    • 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 of 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 and 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.
    • 一种用于驱动一组扫描电极和一组信号电极的光调制装置的方法,其布置成使得在其间的交点处形成像素,并且假定电极组之间具有两种稳定状态之一的双稳态光调制材料,通过 在将第N扫描电极上的像素上的双稳态材料定向到一个稳定状态的第一阶段中,并且向与第N扫描电极的扫描信号同步地向信号电极施加写信号, 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。